annotate src/video/SDL_blit_auto.c @ 4632:066ce836b80e

Fixed the code to use the correct scaling transformation matrix with XRender.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Tue, 03 Aug 2010 08:53:20 +0530
parents f7b03b6838cb
children e743b9c3f6d6
rev   line source
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1 /* DO NOT EDIT! This file is generated by sdlgenblit.pl */
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2 /*
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3 SDL - Simple DirectMedia Layer
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4 Copyright (C) 1997-2010 Sam Lantinga
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5
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6 This library is free software; you can redistribute it and/or
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7 modify it under the terms of the GNU Lesser General Public
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8 License as published by the Free Software Foundation; either
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9 version 2.1 of the License, or (at your option) any later version.
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10
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11 This library is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 Lesser General Public License for more details.
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15
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16 You should have received a copy of the GNU Lesser General Public
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17 License along with this library; if not, write to the Free Software
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18 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19
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20 Sam Lantinga
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21 slouken@libsdl.org
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22 */
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23 #include "SDL_config.h"
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24
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25 /* *INDENT-OFF* */
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26
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27 #include "SDL_video.h"
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28 #include "SDL_blit.h"
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29 #include "SDL_blit_auto.h"
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30
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31 static void SDL_Blit_RGB888_RGB888_Scale(SDL_BlitInfo *info)
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32 {
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33 const int flags = info->flags;
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34 int srcy, srcx;
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35 int posy, posx;
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36 int incy, incx;
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37
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38 srcy = 0;
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39 posy = 0;
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40 incy = (info->src_h << 16) / info->dst_h;
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41 incx = (info->src_w << 16) / info->dst_w;
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42
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43 while (info->dst_h--) {
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44 Uint32 *src;
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45 Uint32 *dst = (Uint32 *)info->dst;
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46 int n = info->dst_w;
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47 srcx = -1;
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48 posx = 0x10000L;
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49 while (posy >= 0x10000L) {
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50 ++srcy;
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51 posy -= 0x10000L;
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52 }
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53 while (n--) {
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54 if (posx >= 0x10000L) {
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55 while (posx >= 0x10000L) {
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56 ++srcx;
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57 posx -= 0x10000L;
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58 }
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59 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
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60 }
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61 *dst = *src;
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62 posx += incx;
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63 ++dst;
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64 }
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65 posy += incy;
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66 info->dst += info->dst_pitch;
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67 }
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68 }
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69
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70 static void SDL_Blit_RGB888_RGB888_Blend(SDL_BlitInfo *info)
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71 {
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72 const int flags = info->flags;
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73 Uint32 srcpixel;
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74 Uint32 srcR, srcG, srcB, srcA;
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75 Uint32 dstpixel;
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76 Uint32 dstR, dstG, dstB, dstA;
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77
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78 while (info->dst_h--) {
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79 Uint32 *src = (Uint32 *)info->src;
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80 Uint32 *dst = (Uint32 *)info->dst;
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81 int n = info->dst_w;
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82 while (n--) {
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83 srcpixel = *src;
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84 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
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85 dstpixel = *dst;
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86 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
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87 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
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88 /* This goes away if we ever use premultiplied alpha */
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89 if (srcA < 255) {
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90 srcR = (srcR * srcA) / 255;
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91 srcG = (srcG * srcA) / 255;
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92 srcB = (srcB * srcA) / 255;
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93 }
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94 }
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95 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
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96 case SDL_COPY_MASK:
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97 if (srcA) {
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98 dstR = srcR;
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99 dstG = srcG;
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100 dstB = srcB;
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101 }
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102 break;
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103 case SDL_COPY_BLEND:
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104 dstR = srcR + ((255 - srcA) * dstR) / 255;
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105 dstG = srcG + ((255 - srcA) * dstG) / 255;
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106 dstB = srcB + ((255 - srcA) * dstB) / 255;
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107 break;
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108 case SDL_COPY_ADD:
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109 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
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110 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
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111 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
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112 break;
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113 case SDL_COPY_MOD:
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114 dstR = (srcR * dstR) / 255;
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115 dstG = (srcG * dstG) / 255;
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116 dstB = (srcB * dstB) / 255;
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117 break;
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118 }
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119 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
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120 *dst = dstpixel;
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121 ++src;
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122 ++dst;
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123 }
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124 info->src += info->src_pitch;
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125 info->dst += info->dst_pitch;
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126 }
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127 }
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128
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129 static void SDL_Blit_RGB888_RGB888_Blend_Scale(SDL_BlitInfo *info)
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130 {
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131 const int flags = info->flags;
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132 Uint32 srcpixel;
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133 Uint32 srcR, srcG, srcB, srcA;
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134 Uint32 dstpixel;
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135 Uint32 dstR, dstG, dstB, dstA;
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136 int srcy, srcx;
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137 int posy, posx;
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138 int incy, incx;
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139
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140 srcy = 0;
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141 posy = 0;
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diff changeset
142 incy = (info->src_h << 16) / info->dst_h;
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diff changeset
143 incx = (info->src_w << 16) / info->dst_w;
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parents:
diff changeset
144
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parents:
diff changeset
145 while (info->dst_h--) {
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diff changeset
146 Uint32 *src;
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diff changeset
147 Uint32 *dst = (Uint32 *)info->dst;
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diff changeset
148 int n = info->dst_w;
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diff changeset
149 srcx = -1;
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parents:
diff changeset
150 posx = 0x10000L;
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parents:
diff changeset
151 while (posy >= 0x10000L) {
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parents:
diff changeset
152 ++srcy;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 posy -= 0x10000L;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 while (n--) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 if (posx >= 0x10000L) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 while (posx >= 0x10000L) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 ++srcx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 posx -= 0x10000L;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 }
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diff changeset
161 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
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162 }
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diff changeset
163 srcpixel = *src;
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diff changeset
164 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
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diff changeset
165 dstpixel = *dst;
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diff changeset
166 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
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diff changeset
167 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
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diff changeset
168 /* This goes away if we ever use premultiplied alpha */
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diff changeset
169 if (srcA < 255) {
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diff changeset
170 srcR = (srcR * srcA) / 255;
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diff changeset
171 srcG = (srcG * srcA) / 255;
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diff changeset
172 srcB = (srcB * srcA) / 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 }
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parents:
diff changeset
174 }
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diff changeset
175 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
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176 case SDL_COPY_MASK:
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diff changeset
177 if (srcA) {
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diff changeset
178 dstR = srcR;
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diff changeset
179 dstG = srcG;
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diff changeset
180 dstB = srcB;
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181 }
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diff changeset
182 break;
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diff changeset
183 case SDL_COPY_BLEND:
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diff changeset
184 dstR = srcR + ((255 - srcA) * dstR) / 255;
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diff changeset
185 dstG = srcG + ((255 - srcA) * dstG) / 255;
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diff changeset
186 dstB = srcB + ((255 - srcA) * dstB) / 255;
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diff changeset
187 break;
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188 case SDL_COPY_ADD:
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diff changeset
189 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
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diff changeset
190 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
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diff changeset
191 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
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diff changeset
192 break;
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diff changeset
193 case SDL_COPY_MOD:
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194 dstR = (srcR * dstR) / 255;
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195 dstG = (srcG * dstG) / 255;
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diff changeset
196 dstB = (srcB * dstB) / 255;
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parents:
diff changeset
197 break;
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parents:
diff changeset
198 }
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diff changeset
199 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
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diff changeset
200 *dst = dstpixel;
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diff changeset
201 posx += incx;
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diff changeset
202 ++dst;
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parents:
diff changeset
203 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 posy += incy;
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diff changeset
205 info->dst += info->dst_pitch;
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parents:
diff changeset
206 }
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parents:
diff changeset
207 }
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diff changeset
208
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diff changeset
209 static void SDL_Blit_RGB888_RGB888_Modulate(SDL_BlitInfo *info)
2262
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diff changeset
210 {
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diff changeset
211 const int flags = info->flags;
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212 const Uint32 modulateR = info->r;
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diff changeset
213 const Uint32 modulateG = info->g;
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diff changeset
214 const Uint32 modulateB = info->b;
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diff changeset
215 const Uint32 modulateA = info->a;
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diff changeset
216 Uint32 pixel;
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diff changeset
217 Uint32 R, G, B, A;
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parents:
diff changeset
218
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diff changeset
219 while (info->dst_h--) {
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diff changeset
220 Uint32 *src = (Uint32 *)info->src;
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diff changeset
221 Uint32 *dst = (Uint32 *)info->dst;
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diff changeset
222 int n = info->dst_w;
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diff changeset
223 while (n--) {
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diff changeset
224 pixel = *src;
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diff changeset
225 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
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diff changeset
226 if (flags & SDL_COPY_MODULATE_COLOR) {
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diff changeset
227 R = (R * modulateR) / 255;
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diff changeset
228 G = (G * modulateG) / 255;
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diff changeset
229 B = (B * modulateB) / 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 }
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parents:
diff changeset
231 if (flags & SDL_COPY_MODULATE_ALPHA) {
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parents:
diff changeset
232 A = (A * modulateA) / 255;
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parents:
diff changeset
233 }
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parents:
diff changeset
234 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
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parents:
diff changeset
235 *dst = pixel;
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parents:
diff changeset
236 ++src;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 ++dst;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 }
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parents:
diff changeset
239 info->src += info->src_pitch;
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parents:
diff changeset
240 info->dst += info->dst_pitch;
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parents:
diff changeset
241 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
244 static void SDL_Blit_RGB888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262
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parents:
diff changeset
245 {
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parents:
diff changeset
246 const int flags = info->flags;
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parents:
diff changeset
247 const Uint32 modulateR = info->r;
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parents:
diff changeset
248 const Uint32 modulateG = info->g;
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parents:
diff changeset
249 const Uint32 modulateB = info->b;
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parents:
diff changeset
250 const Uint32 modulateA = info->a;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 Uint32 pixel;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 Uint32 R, G, B, A;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 int srcy, srcx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 int posy, posx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 int incy, incx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256
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parents:
diff changeset
257 srcy = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 posy = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 incy = (info->src_h << 16) / info->dst_h;
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parents:
diff changeset
260 incx = (info->src_w << 16) / info->dst_w;
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parents:
diff changeset
261
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 while (info->dst_h--) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 Uint32 *src;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 Uint32 *dst = (Uint32 *)info->dst;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 int n = info->dst_w;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 srcx = -1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 posx = 0x10000L;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 while (posy >= 0x10000L) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 ++srcy;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 posy -= 0x10000L;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 while (n--) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 if (posx >= 0x10000L) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 while (posx >= 0x10000L) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 ++srcx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 posx -= 0x10000L;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
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parents:
diff changeset
279 }
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parents:
diff changeset
280 pixel = *src;
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parents:
diff changeset
281 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
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parents:
diff changeset
282 if (flags & SDL_COPY_MODULATE_COLOR) {
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parents:
diff changeset
283 R = (R * modulateR) / 255;
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284 G = (G * modulateG) / 255;
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285 B = (B * modulateB) / 255;
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parents:
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286 }
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parents:
diff changeset
287 if (flags & SDL_COPY_MODULATE_ALPHA) {
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parents:
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288 A = (A * modulateA) / 255;
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parents:
diff changeset
289 }
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diff changeset
290 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
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parents:
diff changeset
291 *dst = pixel;
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parents:
diff changeset
292 posx += incx;
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parents:
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293 ++dst;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 }
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parents:
diff changeset
295 posy += incy;
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diff changeset
296 info->dst += info->dst_pitch;
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297 }
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parents:
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298 }
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parents:
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299
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diff changeset
300 static void SDL_Blit_RGB888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262
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301 {
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diff changeset
302 const int flags = info->flags;
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303 const Uint32 modulateR = info->r;
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304 const Uint32 modulateG = info->g;
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diff changeset
305 const Uint32 modulateB = info->b;
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parents:
diff changeset
306 const Uint32 modulateA = info->a;
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parents:
diff changeset
307 Uint32 srcpixel;
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parents:
diff changeset
308 Uint32 srcR, srcG, srcB, srcA;
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diff changeset
309 Uint32 dstpixel;
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310 Uint32 dstR, dstG, dstB, dstA;
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parents:
diff changeset
311
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diff changeset
312 while (info->dst_h--) {
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313 Uint32 *src = (Uint32 *)info->src;
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314 Uint32 *dst = (Uint32 *)info->dst;
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315 int n = info->dst_w;
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316 while (n--) {
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317 srcpixel = *src;
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318 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
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319 dstpixel = *dst;
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320 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
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parents:
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321 if (flags & SDL_COPY_MODULATE_COLOR) {
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322 srcR = (srcR * modulateR) / 255;
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diff changeset
323 srcG = (srcG * modulateG) / 255;
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324 srcB = (srcB * modulateB) / 255;
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325 }
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parents:
diff changeset
326 if (flags & SDL_COPY_MODULATE_ALPHA) {
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327 srcA = (srcA * modulateA) / 255;
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parents:
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328 }
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329 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
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diff changeset
330 /* This goes away if we ever use premultiplied alpha */
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diff changeset
331 if (srcA < 255) {
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diff changeset
332 srcR = (srcR * srcA) / 255;
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diff changeset
333 srcG = (srcG * srcA) / 255;
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parents:
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334 srcB = (srcB * srcA) / 255;
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parents:
diff changeset
335 }
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parents:
diff changeset
336 }
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parents:
diff changeset
337 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
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338 case SDL_COPY_MASK:
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339 if (srcA) {
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diff changeset
340 dstR = srcR;
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diff changeset
341 dstG = srcG;
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342 dstB = srcB;
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parents:
diff changeset
343 }
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diff changeset
344 break;
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345 case SDL_COPY_BLEND:
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diff changeset
346 dstR = srcR + ((255 - srcA) * dstR) / 255;
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347 dstG = srcG + ((255 - srcA) * dstG) / 255;
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diff changeset
348 dstB = srcB + ((255 - srcA) * dstB) / 255;
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diff changeset
349 break;
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diff changeset
350 case SDL_COPY_ADD:
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diff changeset
351 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
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diff changeset
352 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
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diff changeset
353 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
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parents:
diff changeset
354 break;
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parents:
diff changeset
355 case SDL_COPY_MOD:
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diff changeset
356 dstR = (srcR * dstR) / 255;
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parents:
diff changeset
357 dstG = (srcG * dstG) / 255;
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parents:
diff changeset
358 dstB = (srcB * dstB) / 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 }
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parents:
diff changeset
361 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
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parents:
diff changeset
362 *dst = dstpixel;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 ++src;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 ++dst;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 }
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parents:
diff changeset
366 info->src += info->src_pitch;
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parents:
diff changeset
367 info->dst += info->dst_pitch;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 }
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parents:
diff changeset
369 }
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parents:
diff changeset
370
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
371 static void SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
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parents:
diff changeset
372 {
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parents:
diff changeset
373 const int flags = info->flags;
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parents:
diff changeset
374 const Uint32 modulateR = info->r;
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parents:
diff changeset
375 const Uint32 modulateG = info->g;
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parents:
diff changeset
376 const Uint32 modulateB = info->b;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 const Uint32 modulateA = info->a;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 Uint32 srcpixel;
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parents:
diff changeset
379 Uint32 srcR, srcG, srcB, srcA;
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parents:
diff changeset
380 Uint32 dstpixel;
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parents:
diff changeset
381 Uint32 dstR, dstG, dstB, dstA;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 int srcy, srcx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 int posy, posx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 int incy, incx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385
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parents:
diff changeset
386 srcy = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 posy = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 incy = (info->src_h << 16) / info->dst_h;
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parents:
diff changeset
389 incx = (info->src_w << 16) / info->dst_w;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 while (info->dst_h--) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 Uint32 *src;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 Uint32 *dst = (Uint32 *)info->dst;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 int n = info->dst_w;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 srcx = -1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 posx = 0x10000L;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 while (posy >= 0x10000L) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 ++srcy;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 posy -= 0x10000L;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 while (n--) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 if (posx >= 0x10000L) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 while (posx >= 0x10000L) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 ++srcx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 posx -= 0x10000L;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 }
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parents:
diff changeset
407 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
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parents:
diff changeset
408 }
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parents:
diff changeset
409 srcpixel = *src;
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parents:
diff changeset
410 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
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parents:
diff changeset
411 dstpixel = *dst;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 if (flags & SDL_COPY_MODULATE_COLOR) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 srcR = (srcR * modulateR) / 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 srcG = (srcG * modulateG) / 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 srcB = (srcB * modulateB) / 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 if (flags & SDL_COPY_MODULATE_ALPHA) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 srcA = (srcA * modulateA) / 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 /* This goes away if we ever use premultiplied alpha */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
463 static void SDL_Blit_RGB888_BGR888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
502 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
503 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
504 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
507 static void SDL_Blit_RGB888_BGR888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
511 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
513 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
517 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
523 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
529 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
530 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
531 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
534 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
536 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
537 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
541 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
542 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
543 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
544 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
545 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
546 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
556 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
558 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
560 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
561 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
562 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
563 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
564 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
565
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
566 static void SDL_Blit_RGB888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
567 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
568 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
569 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
572 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
574 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
575 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
576
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
577 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
578 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
579 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
580 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
581
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
582 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
583 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
584 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
585 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
586 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
587 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
588 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
589 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
590 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
591 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
592 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
593 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
594 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
595 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
596 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
597 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
598 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
599 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
600 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
601 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
602 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
603 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
604 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
605 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
606 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
607 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
608 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
609 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
610 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
611 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
612 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
613 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
614 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
615 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
616 dstG = srcG;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
617 dstB = srcB;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
618 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
619 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
620 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
621 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
622 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
623 dstB = srcB + ((255 - srcA) * dstB) / 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
624 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
625 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
626 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
627 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
628 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
629 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
630 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
631 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
632 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
633 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
634 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
635 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
636 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
638 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
639 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
640 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
641 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
642 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
643 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
644 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
645
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
646 static void SDL_Blit_RGB888_BGR888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
647 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
648 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
649 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
650 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
651 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
652 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
653 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
654 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
655
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
656 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
657 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
658 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
659 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
660 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
661 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
662 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
663 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
664 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
665 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
666 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
667 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
668 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
669 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
670 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
671 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
672 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
673 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
674 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
675 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
676 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
677 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
678 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
679 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
680
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
681 static void SDL_Blit_RGB888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
682 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
683 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
684 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
685 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
686 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
687 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
688 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
689 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
690 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
691 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
692 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
693
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
694 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
695 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
696 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
697 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
698
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
699 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
700 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
701 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
702 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
703 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
704 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
705 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
706 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
707 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
708 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
709 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
710 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
711 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
712 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
713 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
714 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
715 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
716 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
717 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
718 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
719 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
720 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
721 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
722 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
723 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
724 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
725 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
726 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
727 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
728 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
729 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
730 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
731 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
732 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
733 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
734 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
735 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
736
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
737 static void SDL_Blit_RGB888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
738 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
739 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
740 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
741 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
742 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
743 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
744 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
745 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
746 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
747 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
748
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
749 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
750 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
751 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
752 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
753 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
754 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
755 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
756 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
757 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
758 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
759 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
760 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
761 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
762 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
763 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
764 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
765 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
766 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
767 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
768 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
769 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
770 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
771 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
772 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
773 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
774 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
775 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
776 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
777 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
778 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
779 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
780 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
781 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
782 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
783 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
784 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
785 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
786 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
787 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
788 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
789 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
790 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
791 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
792 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
793 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
794 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
795 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
796 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
797 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
798 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
799 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
800 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
801 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
802 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
803 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
804 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
805 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
806 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
807
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
808 static void SDL_Blit_RGB888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
809 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
810 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
811 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
812 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
813 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
814 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
815 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
816 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
817 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
818 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
819 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
820 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
821 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
822
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
823 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
824 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
825 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
826 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
827
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
828 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
829 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
830 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
831 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
832 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
833 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
834 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
835 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
836 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
837 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
838 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
839 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
840 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
841 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
842 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
843 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
844 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
845 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
846 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
847 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
848 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
849 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
850 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
851 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
852 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
853 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
854 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
855 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
856 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
857 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
858 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
859 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
860 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
861 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
862 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
863 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
864 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
865 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
866 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
867 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
868 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
869 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
870 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
871 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
872 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
873 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
874 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
875 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
876 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
877 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
878 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
879 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
880 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
881 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
882 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
883 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
884 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
885 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
886 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
887 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
888 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
889 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
890 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
891 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
892 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
893 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
894 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
895 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
896 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
897 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
898 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
899
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
900 static void SDL_Blit_RGB888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
901 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
902 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
903 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
904 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
905 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
906 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
907 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
908
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
909 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
910 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
911 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
912 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
913
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
914 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
915 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
916 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
917 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
918 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
919 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
920 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
921 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
922 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
923 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
924 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
925 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
926 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
927 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
928 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
929 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
930 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
931 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
932 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
933 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
934 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
935 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
936 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
937 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
938 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
939 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
940 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
941 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
942 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
943
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
944 static void SDL_Blit_RGB888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
945 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
946 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
947 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
948 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
949 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
950 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
951
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
952 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
953 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
954 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
955 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
956 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
957 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
958 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
959 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
960 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
961 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
962 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
963 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
964 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
965 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
966 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
967 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
968 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
969 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
970 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
971 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
972 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
973 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
974 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
975 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
976 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
977 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
978 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
979 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
980 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
981 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
982 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
983 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
984 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
985 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
986 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
987 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
988 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
989 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
990 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
991 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
992 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
993 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
994 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
995 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
996 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
997 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
998 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
999 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1000 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1001 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1002
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1003 static void SDL_Blit_RGB888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1004 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1005 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1006 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1007 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1008 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1009 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1010 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1011 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1012 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1013
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1014 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1015 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1016 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1017 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1018
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1019 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1020 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1021 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1022 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1023 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1024 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1025 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1026 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1027 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1028 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1029 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1030 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1031 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1032 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1033 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1034 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1035 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1036 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1037 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1038 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1039 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1040 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1041 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1042 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1043 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1044 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1045 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1046 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1047 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1048 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1049 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1050 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1051 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1052 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1053 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1054 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1055 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1056 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1057 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1058 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1059 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1060 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1061 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1062 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1063 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1064 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1065 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1066 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1067 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1068 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1069 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1070 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1071 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1072 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1073 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1074 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1075 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1076 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1077 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1078 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1079 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1080 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1081 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1082
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1083 static void SDL_Blit_RGB888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1084 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1085 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1086 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1087 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1088 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1089 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1090 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1091 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1092
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1093 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1094 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1095 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1096 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1097 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1098 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1099 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1100 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1101 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1102 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1103 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1104 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1105 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1106 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1107 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1108 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1109 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1110 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1111 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1112 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1113 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1114 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1115 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1116 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1117
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1118 static void SDL_Blit_RGB888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1119 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1120 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1121 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1122 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1123 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1124 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1125 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1126 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1127 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1128 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1129 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1130
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1131 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1132 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1133 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1134 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1135
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1136 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1137 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1138 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1139 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1140 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1141 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1142 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1143 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1144 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1145 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1146 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1147 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1148 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1149 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1150 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1151 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1152 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1153 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1154 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1155 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1156 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1157 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1158 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1159 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1160 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1161 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1162 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1163 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1164 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1165 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1166 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1167 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1168 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1169 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1170 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1171 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1172 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1173
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1174 static void SDL_Blit_RGB888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1175 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1176 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1177 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1178 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1179 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1180 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1181 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1182 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1183 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1184 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1185
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1186 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1187 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1188 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1189 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1190 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1191 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1192 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1193 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1194 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1195 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1196 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1197 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1198 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1199 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1200 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1201 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1202 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1203 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1204 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1205 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1206 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1207 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1208 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1209 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1210 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1211 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1212 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1213 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1214 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1215 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1216 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1217 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1218 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1219 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1220 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1221 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1222 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1223 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1224 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1225 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1226 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1227 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1228 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1229 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1230 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1231 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1232 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1233 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1234 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1235 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1236 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1237 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1238 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1239 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1240 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1241 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1242 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1243 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1244
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1245 static void SDL_Blit_RGB888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1246 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1247 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1248 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1249 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1250 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1251 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1252 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1253 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1254 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1255 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1256 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1257 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1258 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1259
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1260 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1261 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1262 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1263 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1264
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1265 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1266 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1267 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1268 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1269 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1270 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1271 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1272 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1273 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1274 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1275 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1276 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1277 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1278 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1279 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1280 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1281 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1282 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1283 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1284 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1285 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1286 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1287 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1288 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1289 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1290 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1291 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1292 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1293 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1294 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1295 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1296 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1297 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1298 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1299 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1300 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1301 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1302 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1303 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1304 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1305 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1306 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1307 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1308 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1309 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1310 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1311 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1312 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1313 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1314 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1315 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1316 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1317 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1318 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1319 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1320 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1321 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1322 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1323 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1324 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1325 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1326 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1327 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1328 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1329 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1330 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1331 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1332 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1333 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1334 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1335 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1336
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1337 static void SDL_Blit_BGR888_RGB888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1338 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1339 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1340 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1341 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1342 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1343 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1344 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1345
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1346 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1347 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1348 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1349 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1350
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1351 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1352 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1353 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1354 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1355 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1356 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1357 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1358 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1359 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1360 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1361 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1362 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1363 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1364 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1365 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1366 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1367 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1368 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1369 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1370 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1371 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1372 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1373 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1374 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1375 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1376 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1377 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1378 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1379 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1380
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1381 static void SDL_Blit_BGR888_RGB888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1382 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1383 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1384 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1385 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1386 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1387 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1388
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1389 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1390 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1391 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1392 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1393 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1394 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1395 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1396 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1397 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1398 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1399 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1400 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1401 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1402 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1403 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1404 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1405 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1406 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1407 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1408 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1409 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1410 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1411 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1412 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1413 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1414 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1415 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1416 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1417 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1418 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1419 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1420 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1421 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1422 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1423 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1424 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1425 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1426 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1427 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1428 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1429 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1430 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1431 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1432 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1433 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1434 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1435 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1436 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1437 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1438 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1439
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1440 static void SDL_Blit_BGR888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1441 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1442 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1443 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1444 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1445 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1446 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1447 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1448 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1449 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1450
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1451 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1452 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1453 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1454 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1455
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1456 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1457 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1458 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1459 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1460 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1461 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1462 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1463 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1464 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1465 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1466 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1467 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1468 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1469 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1470 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1471 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1472 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1473 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1474 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1475 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1476 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1477 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1478 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1479 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1480 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1481 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1482 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1483 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1484 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1485 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1486 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1487 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1488 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1489 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1490 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1491 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1492 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1493 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1494 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1495 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1496 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1497 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1498 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1499 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1500 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1501 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1502 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1503 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1504 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1505 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1506 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1507 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1508 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1509 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1510 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1511 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1512 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1513 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1514 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1515 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1516 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1517 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1518 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1519
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1520 static void SDL_Blit_BGR888_RGB888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1521 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1522 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1523 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1524 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1525 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1526 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1527 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1528 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1529
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1530 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1531 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1532 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1533 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1534 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1535 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1536 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1537 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1538 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1539 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1540 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1541 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1542 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1543 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1544 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1545 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1546 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1547 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1548 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1549 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1550 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1551 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1552 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1553 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1554
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1555 static void SDL_Blit_BGR888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1556 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1557 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1558 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1559 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1560 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1561 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1562 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1563 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1564 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1565 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1566 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1567
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1568 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1569 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1570 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1571 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1572
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1573 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1574 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1575 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1576 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1577 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1578 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1579 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1580 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1581 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1582 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1583 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1584 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1585 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1586 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1587 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1588 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1589 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1590 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1591 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1592 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1593 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1594 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1595 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1596 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1597 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1598 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1599 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1600 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1601 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1602 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1603 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1604 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1605 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1606 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1607 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1608 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1609 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1610
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1611 static void SDL_Blit_BGR888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1612 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1613 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1614 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1615 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1616 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1617 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1618 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1619 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1620 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1621 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1622
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1623 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1624 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1625 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1626 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1627 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1628 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1629 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1630 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1631 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1632 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1633 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1634 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1635 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1636 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1637 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1638 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1639 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1640 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1641 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1642 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1643 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1644 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1645 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1646 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1647 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1648 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1649 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1650 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1651 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1652 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1653 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1654 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1655 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1656 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1657 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1658 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1659 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1660 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1661 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1662 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1663 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1664 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1665 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1666 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1667 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1668 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1669 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1670 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1671 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1672 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1673 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1674 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1675 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1676 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1677 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1678 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1679 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1680 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1681
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1682 static void SDL_Blit_BGR888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1683 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1684 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1685 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1686 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1687 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1688 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1689 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1690 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1691 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1692 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1693 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1694 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1695 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1696
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1697 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1698 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1699 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1700 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1701
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1702 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1703 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1704 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1705 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1706 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1707 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1708 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1709 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1710 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1711 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1712 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1713 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1714 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1715 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1716 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1717 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1718 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1719 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1720 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1721 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1722 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1723 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1724 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1725 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1726 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1727 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1728 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1729 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1730 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1731 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1732 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1733 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1734 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1735 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1736 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1737 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1738 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1739 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1740 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1741 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1742 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1743 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1744 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1745 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1746 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1747 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1748 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1749 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1750 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1751 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1752 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1753 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1754 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1755 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1756 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1757 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1758 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1759 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1760 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1761 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1762 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1763 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1764 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1765 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1766 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1767 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1768 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1769 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1770 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1771 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1772 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1773
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1774 static void SDL_Blit_BGR888_BGR888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1775 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1776 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1777 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1778 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1779 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1780
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1781 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1782 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1783 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1784 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1785
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1786 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1787 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1788 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1789 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1790 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1791 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1792 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1793 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1794 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1795 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1796 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1797 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1798 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1799 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1800 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1801 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1802 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1803 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1804 *dst = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1805 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1806 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1807 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1808 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1809 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1810 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1811 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1812
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1813 static void SDL_Blit_BGR888_BGR888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1814 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1815 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1816 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1817 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1818 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1819 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1820
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1821 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1822 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1823 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1824 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1825 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1826 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1827 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1828 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1829 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1830 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1831 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1832 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1833 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1834 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1835 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1836 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1837 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1838 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1839 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1840 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1841 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1842 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1843 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1844 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1845 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1846 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1847 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1848 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1849 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1850 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1851 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1852 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1853 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1854 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1855 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1856 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1857 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1858 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1859 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1860 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1861 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1862 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1863 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1864 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1865 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1866 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1867 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1868 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1869 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1870 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1871
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1872 static void SDL_Blit_BGR888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1873 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1874 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1875 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1876 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1877 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1878 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1879 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1880 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1881 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1882
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1883 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1884 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1885 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1886 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1887
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1888 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1889 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1890 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1891 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1892 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1893 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1894 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1895 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1896 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1897 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1898 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1899 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1900 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1901 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1902 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1903 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1904 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1905 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1906 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1907 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1908 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1909 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1910 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1911 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1912 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1913 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1914 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1915 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1916 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1917 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1918 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1919 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1920 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1921 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1922 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1923 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1924 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1925 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1926 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1927 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1928 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1929 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1930 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1931 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1932 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1933 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1934 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1935 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1936 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1937 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1938 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1939 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1940 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1941 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1942 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1943 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1944 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1945 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1946 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1947 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1948 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1949 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1950 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1951
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1952 static void SDL_Blit_BGR888_BGR888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1953 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1954 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1955 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1956 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1957 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1958 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1959 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1960 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1961
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1962 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1963 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1964 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1965 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1966 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1967 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1968 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1969 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1970 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1971 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1972 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1974 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1975 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1976 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1977 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1978 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1979 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1980 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1981 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1982 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1983 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1984 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1985 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1986
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1987 static void SDL_Blit_BGR888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1988 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1989 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1990 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1991 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1992 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1993 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1994 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1995 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1996 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1997 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1998 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1999
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2000 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2001 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2002 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2003 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2004
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2005 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2006 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2007 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2008 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2009 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2010 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2011 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2012 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2013 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2014 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2015 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2016 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2017 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2018 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2019 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2020 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2021 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2022 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2023 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2024 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2025 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2026 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2027 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2028 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2029 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2030 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2031 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2032 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2033 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2034 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2035 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2036 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2037 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2038 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2039 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2040 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2041 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2042
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2043 static void SDL_Blit_BGR888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2044 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2045 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2046 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2047 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2048 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2049 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2050 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2051 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2052 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2053 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2054
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2055 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2056 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2057 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2058 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2059 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2060 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2061 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2062 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2063 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2064 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2065 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2066 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2067 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2068 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2069 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2070 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2071 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2072 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2073 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2074 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2075 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2076 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2077 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2078 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2079 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2080 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2081 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2082 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2083 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2084 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2085 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2086 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2087 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2088 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2089 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2090 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2091 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2092 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2093 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2094 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2095 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2096 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2097 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2098 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2099 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2100 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2101 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2102 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2103 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2104 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2105 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2106 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2107 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2108 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2109 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2110 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2111 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2112 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2113
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2114 static void SDL_Blit_BGR888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2115 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2116 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2117 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2118 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2119 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2120 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2121 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2122 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2123 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2124 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2125 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2126 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2127 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2128
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2129 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2130 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2131 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2132 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2133
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2134 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2135 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2136 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2137 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2138 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2139 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2140 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2141 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2142 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2143 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2144 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2145 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2146 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2147 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2148 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2149 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2150 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2151 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2152 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2153 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2154 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2155 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2156 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2157 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2158 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2159 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2160 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2161 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2162 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2163 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2164 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2165 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2166 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2167 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2168 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2169 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2170 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2171 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2172 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2173 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2174 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2175 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2176 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2177 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2178 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2179 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2180 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2181 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2182 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2183 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2184 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2185 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2186 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2187 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2188 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2189 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2190 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2191 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2192 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2193 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2194 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2195 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2196 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2197 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2198 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2199 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2200 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2201 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2202 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2203 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2204 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2205
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2206 static void SDL_Blit_BGR888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2207 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2208 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2209 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2210 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2211 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2212 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2213 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2214
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2215 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2216 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2217 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2218 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2219
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2220 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2221 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2222 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2223 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2224 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2225 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2226 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2227 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2228 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2229 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2230 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2231 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2232 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2233 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2234 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2235 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2236 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2237 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2238 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2239 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2240 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2241 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2242 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2243 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2244 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2245 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2246 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2247 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2248 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2249
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2250 static void SDL_Blit_BGR888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2251 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2252 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2253 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2254 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2255 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2256 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2257
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2258 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2259 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2260 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2261 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2262 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2263 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2264 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2265 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2266 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2267 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2268 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2269 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2270 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2271 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2272 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2273 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2274 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2275 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2276 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2277 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2278 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2279 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2280 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2281 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2282 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2283 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2284 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2285 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2286 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2287 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2288 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2289 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2290 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2291 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2292 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2293 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2294 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2295 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2296 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2297 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2298 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2299 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2300 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2301 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2302 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2303 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2304 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2305 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2306 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2307 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2308
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2309 static void SDL_Blit_BGR888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2310 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2311 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2312 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2313 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2314 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2315 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2316 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2317 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2318 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2319
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2320 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2321 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2322 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2323 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2324
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2325 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2326 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2327 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2328 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2329 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2330 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2331 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2332 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2333 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2334 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2335 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2336 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2337 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2338 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2339 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2340 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2341 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2342 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2343 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2344 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2345 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2346 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2347 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2348 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2349 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2350 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2351 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2352 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2353 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2354 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2355 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2356 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2357 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2358 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2359 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2360 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2361 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2362 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2363 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2364 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2365 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2366 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2367 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2368 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2369 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2370 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2371 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2372 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2373 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2374 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2375 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2376 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2377 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2378 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2379 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2380 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2381 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2382 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2383 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2384 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2385 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2386 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2387 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2388
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2389 static void SDL_Blit_BGR888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2390 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2391 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2392 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2393 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2394 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2395 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2396 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2397 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2398
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2399 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2400 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2401 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2402 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2403 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2404 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2405 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2406 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2407 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2408 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2409 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2410 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2411 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2412 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2413 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2414 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2415 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2416 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2417 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2418 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2419 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2420 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2421 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2422 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2423
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2424 static void SDL_Blit_BGR888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2425 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2426 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2427 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2428 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2429 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2430 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2431 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2432 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2433 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2434 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2435 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2436
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2437 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2438 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2439 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2440 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2441
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2442 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2443 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2444 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2445 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2446 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2447 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2448 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2449 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2450 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2451 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2452 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2453 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2454 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2455 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2456 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2457 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2458 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2459 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2460 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2461 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2462 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2463 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2464 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2465 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2466 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2467 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2468 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2469 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2470 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2471 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2472 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2473 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2474 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2475 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2476 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2477 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2478 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2479
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2480 static void SDL_Blit_BGR888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2481 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2482 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2483 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2484 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2485 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2486 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2487 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2488 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2489 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2490 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2491
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2492 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2493 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2494 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2495 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2496 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2497 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2498 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2499 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2500 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2501 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2502 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2503 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2504 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2505 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2506 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2507 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2508 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2509 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2510 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2511 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2512 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2513 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2514 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2515 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2516 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2517 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2518 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2519 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2520 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2521 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2522 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2523 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2524 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2525 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2526 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2527 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2528 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2529 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2530 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2531 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2532 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2533 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2534 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2535 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2536 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2537 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2538 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2539 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2540 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2541 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2542 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2543 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2544 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2545 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2546 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2547 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2548 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2549 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2550
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2551 static void SDL_Blit_BGR888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2552 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2553 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2554 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2555 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2556 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2557 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2558 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2559 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2560 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2561 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2562 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2563 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2564 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2565
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2566 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2567 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2568 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2569 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2570
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2571 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2572 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2573 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2574 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2575 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2576 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2577 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2578 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2579 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2580 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2581 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2582 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2583 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2584 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2585 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2586 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2587 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2588 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2589 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2590 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2591 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2592 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2593 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2594 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2595 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2596 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2597 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2598 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2599 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2600 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2601 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2602 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2603 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2604 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2605 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2606 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2607 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2608 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2609 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2610 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2611 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2612 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2613 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2614 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2615 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2616 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2617 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2618 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2619 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2620 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2621 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2622 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2623 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2624 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2625 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2626 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2627 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2628 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2629 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2630 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2631 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2632 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2633 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2634 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2635 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2636 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2637 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2638 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2639 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2640 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2641 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2642
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2643 static void SDL_Blit_ARGB8888_RGB888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2644 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2645 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2646 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2647 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2648 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2649 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2650 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2651
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2652 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2653 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2654 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2655 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2656
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2657 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2658 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2659 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2660 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2661 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2662 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2663 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2664 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2665 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2666 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2667 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2668 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2669 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2670 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2671 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2672 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2673 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2674 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2675 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2676 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2677 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2678 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2679 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2680 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2681 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2682 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2683 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2684 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2685 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2686
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2687 static void SDL_Blit_ARGB8888_RGB888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2688 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2689 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2690 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2691 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2692 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2693 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2694
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2695 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2696 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2697 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2698 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2699 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2700 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2701 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2702 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2703 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2704 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2705 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2706 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2707 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2708 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2709 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2710 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2711 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2712 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2713 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2714 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2715 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2716 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2717 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2718 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2719 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2720 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2721 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2722 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2723 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2724 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2725 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2726 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2727 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2728 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2729 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2730 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2731 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2732 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2733 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2734 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2735 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2736 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2737 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2738 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2739 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2740 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2741 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2742 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2743 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2744 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2745
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2746 static void SDL_Blit_ARGB8888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2747 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2748 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2749 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2750 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2751 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2752 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2753 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2754 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2755 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2756
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2757 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2758 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2759 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2760 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2761
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2762 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2763 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2764 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2765 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2766 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2767 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2768 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2769 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2770 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2771 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2772 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2773 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2774 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2775 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2776 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2777 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2778 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2779 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2780 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2781 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2782 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2783 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2784 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2785 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2786 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2787 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2788 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2789 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2790 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2791 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2792 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2793 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2794 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2795 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2796 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2797 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2798 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2799 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2800 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2801 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2802 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2803 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2804 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2805 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2806 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2807 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2808 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2809 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2810 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2811 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2812 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2813 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2814 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2815 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2816 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2817 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2818 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2819 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2820 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2821 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2822 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2823 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2824 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2825
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2826 static void SDL_Blit_ARGB8888_RGB888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2827 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2828 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2829 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2830 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2831 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2832 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2833 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2834 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2835
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2836 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2837 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2838 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2839 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2840 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2841 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2842 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2843 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2844 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2845 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2846 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2847 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2848 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2849 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2850 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2851 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2852 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2853 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2854 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2855 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2856 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2857 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2858 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2859 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2860
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2861 static void SDL_Blit_ARGB8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2862 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2863 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2864 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2865 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2866 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2867 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2868 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2869 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2870 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2871 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2872 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2873
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2874 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2875 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2876 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2877 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2878
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2879 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2880 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2881 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2882 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2883 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2884 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2885 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2886 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2887 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2888 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2889 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2890 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2891 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2892 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2893 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2894 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2895 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2896 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2897 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2898 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2899 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2900 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2901 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2902 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2903 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2904 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2905 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2906 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2907 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2908 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2909 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2910 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2911 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2912 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2913 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2914 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2915 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2916
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2917 static void SDL_Blit_ARGB8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2918 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2919 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2920 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2921 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2922 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2923 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2924 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2925 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2926 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2927 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2928
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2929 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2930 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2931 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2932 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2933 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2934 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2935 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2936 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2937 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2938 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2939 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2940 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2941 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2942 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2943 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2944 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2945 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2946 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2947 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2948 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2949 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2950 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2951 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2952 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2953 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2954 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2955 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2956 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2957 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2958 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2959 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2960 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2961 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2962 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2963 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2964 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2965 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2966 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2967 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2968 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2969 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2970 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2971 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2972 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2973 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2974 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2975 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2976 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2977 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2978 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2979 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2980 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2981 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2982 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2983 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2984 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2985 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2986 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2987
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2988 static void SDL_Blit_ARGB8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2989 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2990 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2991 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2992 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2993 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2994 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2995 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2996 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2997 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2998 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2999 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3000 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3001 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3002
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3003 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3004 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3005 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3006 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3007
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3008 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3009 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3010 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3011 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3012 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3013 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3014 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3015 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3016 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3017 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3018 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3019 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3020 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3021 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3022 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3023 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3024 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3025 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3026 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3027 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3028 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3029 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3030 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3031 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3032 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3033 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3034 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3035 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3036 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3037 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3038 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3039 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3040 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3041 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3042 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3043 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3044 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3045 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3046 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3047 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3048 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3049 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3050 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3051 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3052 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3053 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3054 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3055 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3056 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3057 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3058 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3059 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3060 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3061 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3062 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3063 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3064 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3065 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3066 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3067 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3068 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3069 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3070 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3071 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3072 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3073 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3074 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3075 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3076 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3077 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3078 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3079
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3080 static void SDL_Blit_ARGB8888_BGR888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3081 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3082 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3083 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3084 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3085 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3086 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3087 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3088
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3089 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3090 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3091 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3092 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3093
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3094 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3095 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3096 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3097 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3098 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3099 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3100 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3101 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3102 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3103 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3104 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3105 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3106 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3107 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3108 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3109 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3110 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3111 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3112 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3113 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3114 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3115 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3116 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3117 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3118 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3119 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3120 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3121 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3122 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3123
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3124 static void SDL_Blit_ARGB8888_BGR888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3125 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3126 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3127 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3128 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3129 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3130 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3131
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3132 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3133 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3134 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3135 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3136 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3137 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3138 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3139 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3140 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3141 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3142 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3143 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3144 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3145 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3146 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3147 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3148 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3149 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3150 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3151 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3152 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3153 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3154 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3155 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3156 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3157 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3158 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3159 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3160 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3161 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3162 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3163 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3164 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3165 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3166 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3167 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3168 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3169 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3170 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3171 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3172 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3173 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3174 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3175 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3176 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3177 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3178 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3179 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3180 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3181 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3182
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3183 static void SDL_Blit_ARGB8888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3184 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3185 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3186 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3187 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3188 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3189 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3190 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3191 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3192 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3193
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3194 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3195 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3196 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3197 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3198
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3199 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3200 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3201 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3202 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3203 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3204 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3205 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3206 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3207 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3208 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3209 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3210 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3211 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3212 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3213 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3214 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3215 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3216 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3217 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3218 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3219 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3220 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3221 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3222 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3223 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3224 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3225 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3226 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3227 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3228 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3229 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3230 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3231 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3232 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3233 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3234 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3235 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3236 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3237 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3238 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3239 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3240 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3241 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3242 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3243 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3244 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3245 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3246 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3247 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3248 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3249 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3250 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3251 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3252 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3253 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3254 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3255 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3256 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3257 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3258 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3259 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3260 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3261 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3262
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3263 static void SDL_Blit_ARGB8888_BGR888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3264 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3265 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3266 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3267 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3268 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3269 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3270 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3271 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3272
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3273 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3274 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3275 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3276 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3277 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3278 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3279 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3280 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3281 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3282 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3283 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3284 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3285 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3286 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3287 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3288 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3289 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3290 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3291 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3292 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3293 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3294 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3295 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3296 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3297
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3298 static void SDL_Blit_ARGB8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3299 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3300 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3301 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3302 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3303 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3304 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3305 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3306 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3307 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3308 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3309 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3310
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3311 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3312 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3313 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3314 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3315
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3316 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3317 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3318 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3319 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3320 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3321 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3322 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3323 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3324 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3325 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3326 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3327 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3328 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3329 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3330 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3331 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3332 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3333 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3334 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3335 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3336 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3337 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3338 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3339 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3340 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3341 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3342 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3343 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3344 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3345 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3346 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3347 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3348 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3349 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3350 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3351 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3352 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3353
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3354 static void SDL_Blit_ARGB8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3355 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3356 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3357 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3358 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3359 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3360 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3361 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3362 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3363 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3364 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3365
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3366 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3367 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3368 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3369 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3370 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3371 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3372 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3373 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3374 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3375 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3376 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3377 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3378 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3379 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3380 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3381 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3382 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3383 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3384 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3385 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3386 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3387 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3388 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3389 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3390 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3391 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3392 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3393 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3394 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3395 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3396 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3397 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3398 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3399 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3400 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3401 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3402 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3403 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3404 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3405 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3406 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3407 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3408 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3409 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3410 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3411 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3412 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3413 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3414 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3415 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3416 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3417 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3418 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3419 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3420 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3421 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3422 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3423 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3424
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3425 static void SDL_Blit_ARGB8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3426 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3427 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3428 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3429 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3430 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3431 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3432 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3433 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3434 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3435 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3436 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3437 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3438 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3439
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3440 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3441 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3442 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3443 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3444
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3445 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3446 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3447 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3448 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3449 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3450 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3451 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3452 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3453 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3454 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3455 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3456 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3457 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3458 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3459 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3460 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3461 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3462 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3463 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3464 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3465 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3466 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3467 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3468 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3469 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3470 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3471 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3472 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3473 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3474 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3475 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3476 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3477 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3478 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3479 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3480 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3481 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3482 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3483 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3484 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3485 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3486 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3487 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3488 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3489 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3490 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3491 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3492 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3493 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3494 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3495 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3496 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3497 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3498 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3499 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3500 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3501 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3502 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3503 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3504 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3505 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3506 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3507 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3508 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3509 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3510 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3511 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3512 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3513 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3514 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3515 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3516
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3517 static void SDL_Blit_ARGB8888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3518 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3519 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3520 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3521 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3522 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3523
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3524 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3525 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3526 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3527 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3528
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3529 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3530 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3531 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3532 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3533 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3534 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3535 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3536 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3537 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3538 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3539 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3540 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3541 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3542 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3543 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3544 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3545 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3546 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3547 *dst = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3548 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3549 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3550 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3551 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3552 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3553 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3554 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3555
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3556 static void SDL_Blit_ARGB8888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3557 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3558 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3559 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3560 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3561 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3562 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3563
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3564 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3565 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3566 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3567 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3568 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3569 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3570 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3571 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3572 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3573 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3574 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3575 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3576 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3577 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3578 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3579 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3580 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3581 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3582 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3583 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3584 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3585 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3586 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3587 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3588 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3589 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3590 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3591 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3592 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3593 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3594 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3595 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3596 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3597 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3598 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3599 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3600 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3601 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3602 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3603 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3604 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3605 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3606 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3607 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3608 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3609 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3610 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3611 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3612 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3613 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3614
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3615 static void SDL_Blit_ARGB8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3616 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3617 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3618 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3619 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3620 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3621 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3622 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3623 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3624 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3625
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3626 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3627 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3628 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3629 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3630
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3631 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3632 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3633 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3634 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3635 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3636 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3637 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3638 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3639 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3640 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3641 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3642 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3643 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3644 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3645 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3646 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3647 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3648 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3649 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3650 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3651 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3652 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3653 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3654 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3655 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3656 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3657 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3658 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3659 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3660 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3661 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3662 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3663 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3664 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3665 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3666 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3667 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3668 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3669 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3670 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3671 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3672 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3673 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3674 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3675 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3676 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3677 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3678 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3679 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3680 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3681 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3682 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3683 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3684 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3685 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3686 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3687 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3688 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3689 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3690 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3691 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3692 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3693 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3694
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3695 static void SDL_Blit_ARGB8888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3696 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3697 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3698 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3699 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3700 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3701 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3702 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3703 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3704
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3705 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3706 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3707 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3708 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3709 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3710 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3711 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3712 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3713 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3714 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3715 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3716 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3717 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3718 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3719 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3720 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3721 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3722 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3723 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3724 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3725 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3726 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3727 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3728 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3729
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3730 static void SDL_Blit_ARGB8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3731 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3732 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3733 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3734 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3735 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3736 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3737 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3738 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3739 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3740 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3741 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3742
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3743 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3744 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3745 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3746 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3747
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3748 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3749 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3750 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3751 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3752 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3753 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3754 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3755 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3756 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3757 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3758 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3759 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3760 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3761 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3762 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3763 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3764 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3765 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3766 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3767 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3768 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3769 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3770 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3771 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3772 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3773 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3774 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3775 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3776 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3777 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3778 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3779 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3780 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3781 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3782 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3783 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3784 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3785
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3786 static void SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3787 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3788 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3789 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3790 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3791 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3792 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3793 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3794 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3795 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3796 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3797
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3798 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3799 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3800 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3801 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3802 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3803 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3804 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3805 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3806 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3807 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3808 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3809 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3810 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3811 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3812 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3813 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3814 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3815 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3816 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3817 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3818 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3819 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3820 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3821 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3822 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3823 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3824 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3825 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3826 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3827 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3828 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3829 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3830 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3831 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3832 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3833 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3834 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3835 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3836 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3837 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3838 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3839 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3840 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3841 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3842 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3843 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3844 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3845 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3846 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3847 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3848 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3849 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3850 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3851 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3852 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3853 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3854 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3855 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3856
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3857 static void SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3858 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3859 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3860 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3861 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3862 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3863 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3864 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3865 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3866 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3867 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3868 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3869 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3870 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3871
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3872 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3873 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3874 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3875 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3876
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3877 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3878 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3879 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3880 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3881 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3882 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3883 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3884 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3885 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3886 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3887 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3888 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3889 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3890 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3891 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3892 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3893 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3894 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3895 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3896 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3897 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3898 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3899 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3900 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3901 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3902 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3903 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3904 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3905 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3906 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3907 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3908 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3909 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3910 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3911 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3912 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3913 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3914 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3915 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3916 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3917 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3918 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3919 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3920 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3921 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3922 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3923 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3924 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3925 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3926 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3927 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3928 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3929 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3930 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3931 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3932 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3933 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3934 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3935 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3936 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3937 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3938 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3939 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3940 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3941 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3942 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3943 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3944 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3945 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3946 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3947 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3948
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3949 static void SDL_Blit_RGBA8888_RGB888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3950 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3951 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3952 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3953 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3954 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3955 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3956 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3957
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3958 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3959 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3960 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3961 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3962
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3963 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3964 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3965 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3966 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3967 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3968 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3969 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3970 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3971 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3972 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3973 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3974 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3975 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3976 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3977 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3978 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3979 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3980 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3981 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3982 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3983 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3984 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3985 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3986 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3987 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3988 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3989 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3990 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3991 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3992
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3993 static void SDL_Blit_RGBA8888_RGB888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3994 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3995 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3996 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3997 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3998 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3999 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4000
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4001 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4002 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4003 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4004 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4005 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4006 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4007 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4008 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4009 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4010 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4011 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4012 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4013 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4014 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4015 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4016 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4017 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4018 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4019 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4020 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4021 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4022 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4023 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4024 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4025 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4026 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4027 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4028 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4029 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4030 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4031 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4032 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4033 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4034 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4035 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4036 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4037 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4038 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4039 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4040 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4041 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4042 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4043 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4044 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4045 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4046 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4047 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4048 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4049 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4050 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4051
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4052 static void SDL_Blit_RGBA8888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4053 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4054 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4055 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4056 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4057 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4058 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4059 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4060 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4061 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4062
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4063 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4064 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4065 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4066 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4067
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4068 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4069 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4070 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4071 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4072 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4073 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4074 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4075 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4076 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4077 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4078 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4079 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4080 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4081 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4082 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4083 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4084 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4085 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4086 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4087 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4088 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4089 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4090 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4091 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4092 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4093 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4094 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4095 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4096 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4097 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4098 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4099 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4100 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4101 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4102 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4103 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4104 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4105 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4106 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4107 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4108 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4109 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4110 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4111 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4112 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4113 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4114 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4115 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4116 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4117 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4118 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4119 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4120 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4121 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4122 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4123 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4124 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4125 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4126 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4127 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4128 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4129 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4130 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4131
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4132 static void SDL_Blit_RGBA8888_RGB888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4133 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4134 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4135 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4136 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4137 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4138 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4139 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4140 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4141
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4142 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4143 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4144 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4145 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4146 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4147 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4148 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4149 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4150 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4151 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4152 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4153 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4154 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4155 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4156 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4157 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4158 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4159 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4160 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4161 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4162 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4163 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4164 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4165 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4166
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4167 static void SDL_Blit_RGBA8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4168 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4169 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4170 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4171 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4172 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4173 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4174 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4175 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4176 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4177 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4178 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4179
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4180 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4181 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4182 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4183 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4184
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4185 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4186 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4187 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4188 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4189 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4190 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4191 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4192 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4193 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4194 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4195 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4196 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4197 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4198 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4199 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4200 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4201 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4202 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4203 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4204 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4205 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4206 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4207 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4208 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4209 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4210 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4211 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4212 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4213 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4214 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4215 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4216 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4217 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4218 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4219 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4220 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4221 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4222
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4223 static void SDL_Blit_RGBA8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4224 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4225 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4226 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4227 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4228 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4229 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4230 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4231 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4232 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4233 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4234
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4235 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4236 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4237 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4238 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4239 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4240 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4241 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4242 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4243 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4244 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4245 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4246 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4247 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4248 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4249 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4250 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4251 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4252 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4253 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4254 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4255 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4256 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4257 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4258 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4259 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4260 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4261 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4262 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4263 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4264 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4265 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4266 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4267 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4268 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4269 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4270 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4271 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4272 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4273 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4274 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4275 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4276 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4277 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4278 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4279 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4280 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4281 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4282 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4283 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4284 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4285 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4286 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4287 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4288 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4289 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4290 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4291 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4292 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4293
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4294 static void SDL_Blit_RGBA8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4295 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4296 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4297 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4298 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4299 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4300 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4301 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4302 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4303 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4304 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4305 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4306 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4307 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4308
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4309 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4310 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4311 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4312 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4313
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4314 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4315 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4316 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4317 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4318 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4319 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4320 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4321 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4322 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4323 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4324 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4325 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4326 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4327 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4328 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4329 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4330 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4331 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4332 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4333 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4334 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4335 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4336 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4337 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4338 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4339 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4340 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4341 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4342 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4343 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4344 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4345 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4346 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4347 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4348 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4349 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4350 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4351 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4352 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4353 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4354 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4355 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4356 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4357 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4358 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4359 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4360 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4361 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4362 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4363 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4364 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4365 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4366 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4367 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4368 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4369 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4370 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4371 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4372 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4373 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4374 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4375 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4376 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4377 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4378 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4379 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4380 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4381 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4382 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4383 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4384 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4385
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4386 static void SDL_Blit_RGBA8888_BGR888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4387 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4388 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4389 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4390 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4391 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4392 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4393 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4394
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4395 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4396 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4397 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4398 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4399
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4400 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4401 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4402 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4403 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4404 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4405 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4406 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4407 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4408 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4409 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4410 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4411 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4412 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4413 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4414 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4415 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4416 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4417 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4418 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4419 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4420 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4421 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4422 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4423 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4424 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4425 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4426 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4427 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4428 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4429
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4430 static void SDL_Blit_RGBA8888_BGR888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4431 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4432 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4433 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4434 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4435 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4436 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4437
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4438 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4439 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4440 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4441 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4442 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4443 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4444 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4445 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4446 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4447 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4448 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4449 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4450 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4451 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4452 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4453 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4454 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4455 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4456 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4457 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4458 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4459 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4460 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4461 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4462 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4463 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4464 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4465 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4466 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4467 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4468 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4469 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4470 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4471 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4472 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4473 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4474 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4475 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4476 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4477 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4478 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4479 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4480 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4481 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4482 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4483 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4484 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4485 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4486 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4487 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4488
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4489 static void SDL_Blit_RGBA8888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4490 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4491 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4492 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4493 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4494 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4495 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4496 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4497 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4498 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4499
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4500 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4501 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4502 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4503 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4504
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4505 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4506 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4507 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4508 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4509 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4510 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4511 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4512 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4513 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4514 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4515 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4516 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4517 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4518 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4519 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4520 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4521 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4522 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4523 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4524 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4525 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4526 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4527 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4528 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4529 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4530 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4531 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4532 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4533 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4534 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4535 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4536 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4537 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4538 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4539 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4540 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4541 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4542 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4543 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4544 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4545 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4546 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4547 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4548 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4549 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4550 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4551 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4552 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4553 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4554 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4555 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4556 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4557 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4558 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4559 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4560 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4561 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4562 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4563 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4564 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4565 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4566 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4567 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4568
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4569 static void SDL_Blit_RGBA8888_BGR888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4570 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4571 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4572 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4573 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4574 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4575 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4576 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4577 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4578
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4579 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4580 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4581 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4582 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4583 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4584 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4585 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4586 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4587 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4588 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4589 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4590 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4591 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4592 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4593 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4594 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4595 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4596 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4597 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4598 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4599 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4600 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4601 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4603
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4604 static void SDL_Blit_RGBA8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4605 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4606 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4607 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4608 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4609 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4610 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4611 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4612 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4613 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4614 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4615 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4616
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4617 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4618 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4619 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4620 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4621
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4622 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4623 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4624 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4625 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4626 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4627 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4628 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4629 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4630 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4631 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4632 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4633 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4634 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4635 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4636 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4637 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4638 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4639 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4640 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4641 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4642 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4643 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4644 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4645 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4646 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4647 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4648 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4649 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4650 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4651 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4652 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4653 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4654 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4655 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4656 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4657 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4658 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4659
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4660 static void SDL_Blit_RGBA8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4661 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4662 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4663 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4664 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4665 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4666 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4667 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4668 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4669 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4670 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4671
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4672 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4673 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4674 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4675 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4676 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4677 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4678 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4679 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4680 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4681 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4682 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4683 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4684 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4685 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4686 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4687 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4688 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4689 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4690 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4691 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4692 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4693 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4694 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4695 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4696 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4697 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4698 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4699 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4700 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4701 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4702 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4703 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4704 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4705 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4706 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4707 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4708 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4709 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4710 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4711 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4712 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4713 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4714 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4715 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4716 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4717 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4718 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4719 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4720 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4721 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4722 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4723 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4724 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4725 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4726 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4727 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4728 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4729 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4730
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4731 static void SDL_Blit_RGBA8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4732 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4733 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4734 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4735 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4736 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4737 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4738 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4739 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4740 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4741 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4742 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4743 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4744 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4745
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4746 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4747 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4748 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4749 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4750
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4751 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4752 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4753 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4754 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4755 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4756 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4757 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4758 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4759 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4760 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4761 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4762 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4763 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4764 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4765 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4766 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4767 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4768 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4769 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4770 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4771 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4772 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4773 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4774 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4775 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4776 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4777 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4778 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4779 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4780 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4781 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4782 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4783 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4784 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4785 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4786 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4787 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4788 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4789 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4790 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4791 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4792 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4793 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4794 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4795 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4796 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4797 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4798 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4799 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4800 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4801 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4802 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4803 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4804 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4805 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4806 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4807 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4808 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4809 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4810 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4811 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4812 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4813 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4814 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4815 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4816 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4817 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4818 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4819 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4820 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4821 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4822
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4823 static void SDL_Blit_RGBA8888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4824 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4825 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4826 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4827 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4828 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4829 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4830 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4831
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4832 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4833 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4834 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4835 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4836
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4837 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4838 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4839 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4840 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4841 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4842 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4843 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4844 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4845 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4846 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4847 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4848 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4849 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4850 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4851 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4852 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4853 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4854 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4855 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4856 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4857 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4858 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4859 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4860 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4861 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4862 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4863 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4864 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4865 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4866
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4867 static void SDL_Blit_RGBA8888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4868 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4869 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4870 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4871 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4872 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4873 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4874
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4875 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4876 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4877 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4878 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4879 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4880 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4881 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4882 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4883 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4884 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4885 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4886 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4887 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4888 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4889 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4890 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4891 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4892 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4893 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4894 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4895 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4896 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4897 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4898 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4899 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4900 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4901 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4902 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4903 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4904 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4905 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4906 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4907 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4908 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4909 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4910 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4911 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4912 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4913 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4914 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4915 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4916 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4917 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4918 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4919 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4920 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4921 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4922 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4923 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4924 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4925
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4926 static void SDL_Blit_RGBA8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4927 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4928 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4929 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4930 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4931 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4932 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4933 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4934 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4935 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4936
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4937 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4938 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4939 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4940 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4941
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4942 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4943 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4944 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4945 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4946 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4947 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4948 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4949 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4950 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4951 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4952 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4953 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4954 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4955 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4956 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4957 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4958 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4959 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4960 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4961 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4962 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4963 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4964 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4965 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4966 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4967 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4968 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4969 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4970 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4971 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4972 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4973 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4974 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4975 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4976 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4977 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4978 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4979 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4980 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4981 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4982 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4983 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4984 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4985 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4986 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4987 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4988 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4989 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4990 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4991 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4992 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4993 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4994 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4995 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4996 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4997 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4998 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4999 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5000 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5001 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5002 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5003 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5004 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5005
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5006 static void SDL_Blit_RGBA8888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5007 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5008 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5009 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5010 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5011 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5012 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5013 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5014 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5015
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5016 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5017 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5018 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5019 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5020 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5021 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5022 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5023 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5024 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5025 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5026 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5027 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5028 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5029 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5030 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5031 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5032 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5033 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5034 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5035 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5036 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5037 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5038 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5039 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5040
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5041 static void SDL_Blit_RGBA8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5042 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5043 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5044 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5045 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5046 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5047 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5048 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5049 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5050 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5051 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5052 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5053
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5054 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5055 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5056 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5057 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5058
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5059 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5060 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5061 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5062 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5063 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5064 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5065 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5066 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5067 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5068 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5069 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5070 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5071 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5072 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5073 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5074 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5075 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5076 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5077 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5078 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5079 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5080 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5081 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5082 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5083 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5084 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5085 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5086 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5087 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5088 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5089 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5090 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5091 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5092 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5093 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5094 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5095 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5096
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5097 static void SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5098 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5099 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5100 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5101 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5102 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5103 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5104 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5105 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5106 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5107 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5108
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5109 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5110 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5111 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5112 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5113 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5114 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5115 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5116 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5117 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5118 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5119 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5120 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5121 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5122 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5123 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5124 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5125 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5126 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5127 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5128 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5129 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5130 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5131 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5132 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5133 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5134 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5135 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5136 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5137 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5138 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5139 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5140 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5141 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5142 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5143 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5144 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5145 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5146 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5147 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5148 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5149 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5150 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5151 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5152 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5153 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5154 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5155 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5156 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5157 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5158 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5159 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5160 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5161 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5162 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5163 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5164 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5165 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5166 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5167
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5168 static void SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5169 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5170 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5171 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5172 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5173 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5174 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5175 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5176 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5177 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5178 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5179 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5180 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5181 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5182
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5183 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5184 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5185 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5186 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5187
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5188 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5189 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5190 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5191 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5192 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5193 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5194 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5195 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5196 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5197 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5198 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5199 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5200 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5201 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5202 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5203 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5204 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5205 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5206 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5207 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5208 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5209 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5210 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5211 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5212 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5213 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5214 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5215 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5216 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5217 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5218 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5219 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5220 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5221 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5222 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5223 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5224 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5225 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5226 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5227 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5228 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5229 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5230 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5231 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5232 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5233 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5234 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5235 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5236 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5237 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5238 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5239 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5240 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5241 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5242 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5243 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5244 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5245 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5246 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5247 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5248 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5249 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5250 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5251 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5252 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5253 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5254 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5255 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5256 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5257 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5258 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5259
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5260 static void SDL_Blit_ABGR8888_RGB888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5261 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5262 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5263 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5264 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5265 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5266 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5267 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5268
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5269 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5270 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5271 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5272 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5273
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5274 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5275 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5276 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5277 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5278 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5279 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5280 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5281 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5282 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5283 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5284 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5285 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5286 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5287 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5288 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5289 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5290 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5291 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5292 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5293 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5294 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5295 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5296 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5297 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5298 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5299 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5300 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5301 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5302 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5303
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5304 static void SDL_Blit_ABGR8888_RGB888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5305 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5306 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5307 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5308 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5309 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5310 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5311
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5312 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5313 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5314 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5315 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5316 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5317 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5318 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5319 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5320 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5321 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5322 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5323 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5324 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5325 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5326 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5327 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5328 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5329 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5330 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5331 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5332 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5333 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5334 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5335 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5336 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5337 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5338 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5339 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5340 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5341 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5342 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5343 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5344 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5345 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5346 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5347 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5348 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5349 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5350 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5351 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5352 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5353 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5354 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5355 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5356 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5357 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5358 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5359 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5360 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5361 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5362
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5363 static void SDL_Blit_ABGR8888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5364 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5365 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5366 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5367 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5368 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5369 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5370 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5371 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5372 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5373
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5374 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5375 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5376 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5377 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5378
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5379 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5380 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5381 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5382 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5383 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5384 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5385 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5386 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5387 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5388 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5389 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5390 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5391 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5392 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5393 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5394 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5395 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5396 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5397 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5398 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5399 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5400 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5401 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5402 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5403 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5404 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5405 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5406 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5407 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5408 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5409 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5410 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5411 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5412 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5413 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5414 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5415 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5416 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5417 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5418 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5419 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5420 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5421 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5422 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5423 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5424 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5425 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5426 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5427 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5428 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5429 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5430 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5431 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5432 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5433 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5434 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5435 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5436 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5437 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5438 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5439 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5440 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5441 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5442
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5443 static void SDL_Blit_ABGR8888_RGB888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5444 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5445 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5446 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5447 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5448 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5449 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5450 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5451 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5452
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5453 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5454 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5455 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5456 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5457 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5458 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5459 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5460 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5461 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5462 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5463 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5464 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5465 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5466 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5467 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5468 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5469 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5470 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5471 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5472 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5473 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5474 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5475 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5476 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5477
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5478 static void SDL_Blit_ABGR8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5479 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5480 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5481 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5482 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5483 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5484 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5485 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5486 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5487 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5488 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5489 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5490
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5491 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5492 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5493 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5494 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5495
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5496 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5497 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5498 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5499 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5500 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5501 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5502 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5503 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5504 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5505 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5506 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5507 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5508 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5509 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5510 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5511 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5512 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5513 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5514 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5515 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5516 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5517 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5518 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5519 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5520 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5521 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5522 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5523 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5524 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5525 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5526 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5527 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5528 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5529 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5530 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5531 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5532 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5533
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5534 static void SDL_Blit_ABGR8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5535 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5536 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5537 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5538 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5539 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5540 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5541 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5542 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5543 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5544 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5545
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5546 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5547 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5548 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5549 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5550 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5551 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5552 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5553 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5554 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5555 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5556 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5557 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5558 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5559 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5560 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5561 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5562 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5563 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5564 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5565 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5566 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5567 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5568 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5569 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5570 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5571 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5572 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5573 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5574 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5575 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5576 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5577 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5578 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5579 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5580 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5581 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5582 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5583 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5584 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5585 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5586 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5587 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5588 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5589 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5590 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5591 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5592 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5593 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5594 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5595 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5596 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5597 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5598 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5599 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5600 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5601 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5603 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5604
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5605 static void SDL_Blit_ABGR8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5606 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5607 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5608 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5609 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5610 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5611 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5612 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5613 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5614 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5615 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5616 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5617 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5618 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5619
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5620 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5621 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5622 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5623 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5624
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5625 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5626 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5627 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5628 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5629 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5630 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5631 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5632 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5633 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5634 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5635 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5636 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5637 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5638 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5639 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5640 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5641 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5642 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5643 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5644 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5645 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5646 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5647 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5648 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5649 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5650 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5651 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5652 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5653 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5654 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5655 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5656 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5657 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5658 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5659 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5660 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5661 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5662 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5663 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5664 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5665 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5666 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5667 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5668 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5669 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5670 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5671 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5672 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5673 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5674 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5675 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5676 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5677 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5678 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5679 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5680 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5681 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5682 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5683 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5684 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5685 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5686 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5687 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5688 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5689 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5690 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5691 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5692 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5693 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5694 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5695 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5696
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5697 static void SDL_Blit_ABGR8888_BGR888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5698 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5699 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5700 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5701 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5702 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5703 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5704 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5705
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5706 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5707 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5708 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5709 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5710
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5711 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5712 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5713 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5714 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5715 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5716 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5717 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5718 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5719 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5720 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5721 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5722 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5723 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5724 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5725 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5726 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5727 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5728 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5729 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5730 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5731 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5732 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5733 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5734 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5735 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5736 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5737 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5738 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5739 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5740
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5741 static void SDL_Blit_ABGR8888_BGR888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5742 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5743 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5744 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5745 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5746 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5747 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5748
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5749 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5750 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5751 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5752 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5753 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5754 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5755 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5756 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5757 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5758 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5759 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5760 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5761 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5762 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5763 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5764 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5765 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5766 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5767 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5768 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5769 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5770 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5771 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5772 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5773 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5774 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5775 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5776 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5777 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5778 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5779 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5780 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5781 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5782 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5783 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5784 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5785 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5786 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5787 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5788 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5789 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5790 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5791 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5792 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5793 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5794 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5795 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5796 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5797 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5798 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5799
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5800 static void SDL_Blit_ABGR8888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5801 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5802 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5803 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5804 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5805 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5806 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5807 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5808 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5809 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5810
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5811 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5812 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5813 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5814 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5815
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5816 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5817 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5818 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5819 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5820 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5821 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5822 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5823 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5824 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5825 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5826 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5827 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5828 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5829 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5830 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5831 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5832 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5833 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5834 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5835 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5836 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5837 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5838 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5839 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5840 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5841 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5842 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5843 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5844 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5845 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5846 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5847 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5848 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5849 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5850 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5851 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5852 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5853 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5854 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5855 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5856 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5857 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5858 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5859 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5860 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5861 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5862 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5863 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5864 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5865 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5866 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5867 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5868 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5869 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5870 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5871 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5872 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5873 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5874 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5875 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5876 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5877 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5878 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5879
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5880 static void SDL_Blit_ABGR8888_BGR888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5881 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5882 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5883 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5884 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5885 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5886 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5887 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5888 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5889
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5890 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5891 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5892 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5893 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5894 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5895 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5896 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5897 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5898 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5899 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5900 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5901 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5902 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5903 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5904 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5905 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5906 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5907 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5908 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5909 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5910 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5911 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5912 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5913 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5914
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5915 static void SDL_Blit_ABGR8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5916 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5917 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5918 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5919 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5920 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5921 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5922 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5923 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5924 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5925 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5926 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5927
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5928 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5929 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5930 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5931 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5932
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5933 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5934 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5935 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5936 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5937 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5938 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5939 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5940 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5941 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5942 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5943 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5944 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5945 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5946 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5947 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5948 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5949 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5950 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5951 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5952 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5953 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5954 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5955 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5956 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5957 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5958 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5959 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5960 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5961 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5962 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5963 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5964 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5965 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5966 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5967 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5968 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5969 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5970
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5971 static void SDL_Blit_ABGR8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5972 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5973 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5974 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5975 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5976 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5977 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5978 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5979 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5980 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5981 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5982
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5983 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5984 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5985 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5986 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5987 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5988 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5989 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5990 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5991 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5992 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5993 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5994 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5995 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5996 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5997 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5998 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5999 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6000 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6001 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6002 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6003 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6004 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6005 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6006 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6007 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6008 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6009 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6010 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6011 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6012 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6013 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6014 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6015 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6016 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6017 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6018 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6019 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6020 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6021 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6022 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6023 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6024 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6025 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6026 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6027 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6028 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6029 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6030 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6031 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6032 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6033 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6034 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6035 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6036 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6037 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6038 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6039 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6040 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6041
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6042 static void SDL_Blit_ABGR8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6043 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6044 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6045 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6046 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6047 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6048 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6049 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6050 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6051 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6052 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6053 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6054 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6055 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6056
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6057 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6058 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6059 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6060 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6061
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6062 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6063 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6064 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6065 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6066 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6067 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6068 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6069 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6070 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6071 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6072 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6073 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6074 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6075 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6076 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6077 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6078 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6079 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6080 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6081 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6082 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6083 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6084 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6085 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6086 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6087 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6088 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6089 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6090 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6091 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6092 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6093 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6094 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6095 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6096 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6097 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6098 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6099 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6100 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6101 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6102 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6103 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6104 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6105 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6106 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6107 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6108 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6109 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6110 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6111 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6112 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6113 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6114 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6115 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6116 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6117 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6118 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6119 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6120 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6121 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6122 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6123 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6124 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6125 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6126 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6127 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6128 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6129 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6130 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6131 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6132 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6133
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6134 static void SDL_Blit_ABGR8888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6135 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6136 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6137 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6138 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6139 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6140 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6141 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6142
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6143 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6144 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6145 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6146 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6147
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6148 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6149 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6150 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6151 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6152 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6153 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6154 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6155 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6156 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6157 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6158 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6159 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6160 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6161 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6162 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6163 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6164 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6165 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6166 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6167 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6168 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6169 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6170 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6171 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6172 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6173 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6174 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6175 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6176 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6177
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6178 static void SDL_Blit_ABGR8888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6179 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6180 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6181 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6182 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6183 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6184 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6185
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6186 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6187 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6188 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6189 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6190 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6191 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6192 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6193 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6194 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6195 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6196 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6197 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6198 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6199 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6200 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6201 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6202 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6203 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6204 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6205 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6206 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6207 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6208 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6209 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6210 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6211 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6212 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6213 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6214 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6215 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6216 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6217 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6218 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6219 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6220 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6221 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6222 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6223 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6224 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6225 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6226 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6227 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6228 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6229 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6230 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6231 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6232 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6233 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6234 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6235 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6236
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6237 static void SDL_Blit_ABGR8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6238 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6239 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6240 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6241 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6242 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6243 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6244 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6245 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6246 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6247
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6248 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6249 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6250 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6251 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6252
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6253 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6254 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6255 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6256 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6257 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6258 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6259 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6260 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6261 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6262 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6263 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6264 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6265 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6266 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6267 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6268 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6269 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6270 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6271 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6272 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6273 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6274 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6275 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6276 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6277 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6278 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6279 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6280 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6281 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6282 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6283 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6284 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6285 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6286 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6287 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6288 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6289 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6290 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6291 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6292 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6293 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6294 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6295 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6296 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6297 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6298 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6299 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6300 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6301 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6302 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6303 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6304 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6305 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6306 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6307 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6308 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6309 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6310 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6311 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6312 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6313 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6314 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6315 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6316
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6317 static void SDL_Blit_ABGR8888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6318 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6319 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6320 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6321 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6322 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6323 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6324 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6325 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6326
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6327 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6328 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6329 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6330 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6331 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6332 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6333 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6334 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6335 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6336 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6337 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6338 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6339 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6340 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6341 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6342 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6343 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6344 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6345 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6346 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6347 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6348 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6349 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6350 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6351
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6352 static void SDL_Blit_ABGR8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6353 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6354 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6355 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6356 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6357 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6358 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6359 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6360 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6361 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6362 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6363 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6364
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6365 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6366 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6367 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6368 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6369
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6370 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6371 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6372 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6373 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6374 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6375 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6376 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6377 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6378 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6379 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6380 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6381 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6382 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6383 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6384 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6385 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6386 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6387 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6388 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6389 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6390 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6391 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6392 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6393 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6394 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6395 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6396 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6397 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6398 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6399 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6400 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6401 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6402 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6403 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6404 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6405 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6406 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6407
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6408 static void SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6409 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6410 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6411 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6412 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6413 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6414 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6415 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6416 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6417 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6418 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6419
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6420 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6421 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6422 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6423 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6424 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6425 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6426 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6427 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6428 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6429 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6430 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6431 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6432 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6433 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6434 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6435 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6436 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6437 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6438 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6439 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6440 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6441 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6442 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6443 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6444 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6445 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6446 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6447 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6448 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6449 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6450 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6451 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6452 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6453 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6454 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6455 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6456 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6457 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6458 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6459 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6460 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6461 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6462 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6463 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6464 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6465 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6466 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6467 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6468 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6469 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6470 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6471 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6472 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6473 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6474 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6475 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6476 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6477 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6478
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6479 static void SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6480 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6481 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6482 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6483 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6484 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6485 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6486 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6487 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6488 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6489 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6490 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6491 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6492 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6493
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6494 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6495 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6496 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6497 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6498
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6499 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6500 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6501 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6502 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6503 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6504 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6505 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6506 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6507 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6508 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6509 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6510 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6511 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6512 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6513 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6514 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6515 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6516 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6517 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6518 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6519 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6520 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6521 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6522 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6523 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6524 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6525 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6526 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6527 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6528 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6529 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6530 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6531 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6532 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6533 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6534 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6535 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6536 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6537 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6538 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6539 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6540 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6541 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6542 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6543 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6544 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6545 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6546 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6547 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6548 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6549 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6550 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6551 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6552 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6553 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6554 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6555 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6556 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6557 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6558 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6559 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6560 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6561 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6562 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6563 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6564 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6565 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6566 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6567 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6568 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6569 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6570
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6571 static void SDL_Blit_BGRA8888_RGB888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6572 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6573 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6574 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6575 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6576 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6577 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6578 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6579
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6580 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6581 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6582 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6583 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6584
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6585 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6586 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6587 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6588 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6589 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6590 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6591 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6592 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6593 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6594 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6595 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6596 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6597 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6598 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6599 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6600 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6601 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6603 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6604 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6605 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6606 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6607 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6608 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6609 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6610 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6611 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6612 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6613 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6614
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6615 static void SDL_Blit_BGRA8888_RGB888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6616 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6617 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6618 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6619 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6620 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6621 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6622
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6623 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6624 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6625 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6626 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6627 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6628 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6629 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6630 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6631 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6632 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6633 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6634 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6635 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6636 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6637 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6638 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6639 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6640 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6641 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6642 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6643 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6644 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6645 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6646 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6647 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6648 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6649 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6650 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6651 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6652 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6653 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6654 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6655 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6656 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6657 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6658 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6659 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6660 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6661 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6662 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6663 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6664 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6665 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6666 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6667 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6668 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6669 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6670 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6671 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6672 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6673
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6674 static void SDL_Blit_BGRA8888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6675 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6676 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6677 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6678 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6679 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6680 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6681 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6682 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6683 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6684
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6685 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6686 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6687 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6688 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6689
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6690 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6691 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6692 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6693 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6694 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6695 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6696 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6697 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6698 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6699 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6700 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6701 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6702 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6703 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6704 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6705 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6706 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6707 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6708 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6709 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6710 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6711 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6712 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6713 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6714 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6715 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6716 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6717 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6718 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6719 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6720 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6721 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6722 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6723 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6724 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6725 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6726 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6727 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6728 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6729 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6730 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6731 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6732 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6733 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6734 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6735 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6736 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6737 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6738 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6739 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6740 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6741 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6742 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6743 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6744 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6745 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6746 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6747 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6748 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6749 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6750 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6751 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6752 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6753
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6754 static void SDL_Blit_BGRA8888_RGB888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6755 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6756 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6757 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6758 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6759 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6760 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6761 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6762 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6763
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6764 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6765 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6766 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6767 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6768 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6769 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6770 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6771 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6772 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6773 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6774 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6775 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6776 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6777 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6778 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6779 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6780 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6781 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6782 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6783 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6784 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6785 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6786 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6787 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6788
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6789 static void SDL_Blit_BGRA8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6790 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6791 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6792 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6793 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6794 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6795 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6796 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6797 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6798 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6799 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6800 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6801
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6802 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6803 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6804 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6805 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6806
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6807 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6808 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6809 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6810 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6811 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6812 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6813 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6814 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6815 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6816 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6817 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6818 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6819 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6820 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6821 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6822 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6823 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6824 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6825 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6826 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6827 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6828 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6829 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6830 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6831 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6832 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6833 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6834 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6835 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6836 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6837 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6838 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6839 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6840 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6841 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6842 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6843 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6844
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6845 static void SDL_Blit_BGRA8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6846 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6847 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6848 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6849 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6850 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6851 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6852 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6853 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6854 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6855 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6856
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6857 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6858 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6859 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6860 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6861 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6862 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6863 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6864 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6865 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6866 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6867 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6868 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6869 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6870 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6871 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6872 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6873 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6874 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6875 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6876 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6877 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6878 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6879 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6880 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6881 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6882 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6883 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6884 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6885 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6886 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6887 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6888 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6889 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6890 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6891 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6892 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6893 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6894 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6895 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6896 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6897 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6898 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6899 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6900 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6901 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6902 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6903 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6904 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6905 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6906 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6907 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6908 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6909 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6910 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6911 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6912 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6913 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6914 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6915
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6916 static void SDL_Blit_BGRA8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6917 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6918 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6919 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6920 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6921 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6922 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6923 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6924 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6925 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6926 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6927 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6928 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6929 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6930
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6931 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6932 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6933 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6934 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6935
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6936 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6937 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6938 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6939 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6940 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6941 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6942 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6943 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6944 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6945 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6946 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6947 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6948 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6949 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6950 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6951 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6952 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6953 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6954 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6955 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6956 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6957 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6958 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6959 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6960 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6961 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6962 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6963 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6964 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6965 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6966 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6967 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6968 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6969 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6970 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6971 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6972 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6974 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6975 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6976 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6977 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6978 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6979 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6980 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6981 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6982 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6983 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6984 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6985 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6986 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6987 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6988 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6989 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6990 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6991 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6992 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6993 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6994 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6995 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6996 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6997 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6998 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6999 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7000 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7001 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7002 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7003 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7004 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7005 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7006 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7007
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7008 static void SDL_Blit_BGRA8888_BGR888_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7009 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7010 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7011 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7012 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7013 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7014 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7015 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7016
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7017 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7018 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7019 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7020 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7021
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7022 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7023 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7024 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7025 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7026 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7027 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7028 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7029 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7030 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7031 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7032 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7033 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7034 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7035 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7036 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7037 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7038 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7039 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7040 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7041 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7042 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7043 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7044 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7045 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7046 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7047 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7048 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7049 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7050 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7051
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7052 static void SDL_Blit_BGRA8888_BGR888_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7053 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7054 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7055 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7056 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7057 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7058 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7059
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7060 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7061 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7062 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7063 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7064 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7065 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7066 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7067 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7068 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7069 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7070 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7071 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7072 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7073 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7074 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7075 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7076 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7077 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7078 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7079 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7080 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7081 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7082 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7083 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7084 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7085 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7086 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7087 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7088 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7089 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7090 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7091 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7092 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7093 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7094 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7095 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7096 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7097 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7098 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7099 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7100 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7101 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7102 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7103 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7104 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7105 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7106 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7107 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7108 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7109 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7110
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7111 static void SDL_Blit_BGRA8888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7112 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7113 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7114 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7115 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7116 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7117 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7118 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7119 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7120 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7121
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7122 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7123 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7124 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7125 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7126
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7127 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7128 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7129 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7130 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7131 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7132 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7133 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7134 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7135 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7136 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7137 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7138 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7139 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7140 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7141 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7142 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7143 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7144 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7145 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7146 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7147 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7148 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7149 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7150 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7151 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7152 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7153 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7154 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7155 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7156 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7157 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7158 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7159 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7160 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7161 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7162 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7163 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7164 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7165 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7166 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7167 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7168 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7169 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7170 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7171 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7172 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7173 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7174 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7175 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7176 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7177 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7178 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7179 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7180 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7181 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7182 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7183 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7184 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7185 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7186 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7187 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7188 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7189 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7190
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7191 static void SDL_Blit_BGRA8888_BGR888_Modulate(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7192 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7193 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7194 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7195 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7196 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7197 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7198 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7199 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7200
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7201 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7202 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7203 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7204 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7205 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7206 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7207 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7208 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7209 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7210 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7211 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7212 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7213 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7214 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7215 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7216 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7217 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7218 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7219 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7220 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7221 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7222 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7223 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7224 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7225
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7226 static void SDL_Blit_BGRA8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7227 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7228 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7229 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7230 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7231 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7232 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7233 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7234 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7235 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7236 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7237 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7238
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7239 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7240 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7241 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7242 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7243
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7244 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7245 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7246 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7247 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7248 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7249 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7250 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7251 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7252 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7253 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7254 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7255 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7256 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7257 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7258 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7259 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7260 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7261 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7262 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7263 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7264 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7265 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7266 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7267 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7268 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7269 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7270 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7271 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7272 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7273 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7274 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7275 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7276 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7277 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7278 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7279 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7280 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7281
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7282 static void SDL_Blit_BGRA8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7283 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7284 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7285 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7286 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7287 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7288 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7289 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7290 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7291 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7292 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7293
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7294 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7295 Uint32 *src = (Uint32 *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7296 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7297 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7298 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7299 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7300 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7301 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7302 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7303 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7304 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7305 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7306 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7307 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7308 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7309 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7310 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7311 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7312 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7313 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7314 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7315 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7316 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7317 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7318 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7319 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7320 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7321 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7322 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7323 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7324 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7325 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7326 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7327 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7328 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7329 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7330 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7331 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7332 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7333 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7334 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7335 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7336 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7337 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7338 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7339 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7340 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7341 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7342 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7343 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7344 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7345 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7346 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7347 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7348 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7349 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7350 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7351 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7352
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7353 static void SDL_Blit_BGRA8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7354 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7355 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7356 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7357 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7358 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7359 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7360 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7361 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7362 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7363 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7364 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7365 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7366 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7367
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7368 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7369 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7370 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7371 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7372
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7373 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7374 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7375 Uint32 *dst = (Uint32 *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7376 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7377 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7378 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7379 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7380 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7381 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7382 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7383 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7384 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7385 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7386 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7387 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7388 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7389 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7390 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7391 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7392 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7393 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7394 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7395 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7396 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7397 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7398 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7399 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7400 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7401 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7402 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7403 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7404 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7405 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7406 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7407 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7408 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7409 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7410 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7411 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7412 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7413 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7414 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7415 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7416 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7417 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7418 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7419 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7420 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7421 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7422 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7423 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7424 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7425 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7426 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7427 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7428 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7429 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7430 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7431 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7432 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7433 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7434 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7435 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7436 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7437 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7438 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7439 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7440 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7441 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7442 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7443 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7444
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7445 static void SDL_Blit_BGRA8888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7446 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7447 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7448 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7449 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7450 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7451 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7452 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7453
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7454 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7455 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7456 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7457 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7458
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7459 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7460 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7461 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7462 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7463 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7464 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7465 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7466 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7467 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7468 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7469 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7470 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7471 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7472 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7473 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7474 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7475 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7476 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7477 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7478 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7479 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7480 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7481 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7482 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7483 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7484 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7485 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7486 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7487 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7488
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7489 static void SDL_Blit_BGRA8888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7490 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7491 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7492 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7493 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7494 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7495 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7496
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7497 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7498 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7499 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7500 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7501 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7502 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7503 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7504 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7505 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7506 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7507 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7508 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7509 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7510 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7511 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7512 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7513 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7514 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7515 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7516 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7517 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7518 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7519 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7520 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7521 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7522 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7523 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7524 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7525 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7526 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7527 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7528 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7529 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7530 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7531 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7532 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7533 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7534 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7535 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7536 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7537 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7538 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7539 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7540 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7541 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7542 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7543 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7544 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7545 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7546 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7547
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7548 static void SDL_Blit_BGRA8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7549 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7550 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7551 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7552 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7553 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7554 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7555 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7556 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7557 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7558
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7559 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7560 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7561 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7562 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7563
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7564 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7565 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7566 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7567 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7568 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7569 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7570 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7571 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7572 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7573 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7574 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7575 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7576 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7577 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7578 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7579 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7580 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7581 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7582 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7583 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7584 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7585 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7586 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7587 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7588 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7589 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7590 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7591 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7592 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7593 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7594 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7595 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7596 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7597 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7598 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7599 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7600 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7601 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7602 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7603 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7604 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7605 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7606 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7607 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7608 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7609 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7610 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7611 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7612 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7613 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7614 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7615 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7616 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7617 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7618 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7619 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7620 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7621 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7622 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7623 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7624 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7625 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7626 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7627
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7628 static void SDL_Blit_BGRA8888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7629 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7630 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7631 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7632 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7633 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7634 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7635 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7636 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7637
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7638 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7639 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7640 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7641 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7642 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7643 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7644 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7645 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7646 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7647 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7648 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7649 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7650 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7651 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7652 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7653 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7654 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7655 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7656 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7657 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7658 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7659 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7660 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7661 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7662
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7663 static void SDL_Blit_BGRA8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7664 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7665 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7666 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7667 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7668 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7669 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7670 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7671 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7672 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7673 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7674 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7675
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7676 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7677 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7678 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7679 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7680
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7681 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7682 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7683 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7684 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7685 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7686 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7687 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7688 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7689 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7690 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7691 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7692 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7693 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7694 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7695 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7696 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7697 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7698 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7699 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7700 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7701 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7702 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7703 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7704 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7705 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7706 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7707 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7708 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7709 pixel = ((Uint32)A << 24) | ((Uint32)R << 16) | ((Uint32)G << 8) | B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7710 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7711 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7712 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7713 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7714 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7715 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7716 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7717 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7718
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7719 static void SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7720 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7721 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7722 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7723 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7724 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7725 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7726 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7727 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7728 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7729 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7730
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7731 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7732 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7733 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7734 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7735 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7736 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7737 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7738 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7739 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7740 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7741 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7742 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7743 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7744 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7745 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7746 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7747 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7748 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7749 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7750 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7751 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7752 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7753 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7754 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7755 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7756 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7757 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7758 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7759 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7760 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7761 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7762 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7763 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7764 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7765 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7766 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7767 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7768 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7769 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7770 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7771 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7772 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7773 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7774 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7775 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7776 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7777 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7778 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7779 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7780 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7781 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7782 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7783 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7784 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7785 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7786 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7787 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7788 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7789
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7790 static void SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7791 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7792 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7793 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7794 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7795 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7796 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7797 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7798 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7799 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7800 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7801 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7802 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7803 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7804
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7805 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7806 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7807 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7808 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7809
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7810 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7811 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7812 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7813 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7814 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7815 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7816 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7817 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7818 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7819 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7820 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7821 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7822 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7823 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7824 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7825 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7826 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7827 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7828 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7829 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7830 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7831 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7832 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7833 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7834 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7835 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7836 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7837 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7838 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7839 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7840 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7841 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7842 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7843 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7844 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7845 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7846 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7847 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7848 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7849 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7850 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7851 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7852 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7853 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7854 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7855 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7856 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7857 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7858 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7859 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7860 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7861 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7862 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7863 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7864 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7865 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7866 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7867 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7868 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7869 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7870 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7871 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7872 dstpixel = ((Uint32)dstA << 24) | ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7873 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7874 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7875 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7876 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7877 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7878 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7879 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7880 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7881
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2263
diff changeset
7882 SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[] = {
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7883 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7884 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7885 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7886 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7887 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7888 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7889 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7890 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7891 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7892 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7893 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7894 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7895 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7896 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7897 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7898 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7899 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7900 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7901 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7902 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7903 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7904 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7905 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7906 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7907 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7908 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7909 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7910 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7911 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7912 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7913 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7914 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7915 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7916 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7917 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7918 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7919 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7920 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7921 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7922 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7923 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7924 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7925 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7926 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7927 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7928 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7929 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7930 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7931 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7932 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7933 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7934 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7935 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7936 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7937 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7938 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7939 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7940 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7941 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7942 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7943 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7944 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7945 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7946 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7947 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7948 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7949 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7950 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7951 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7952 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7953 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7954 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7955 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7956 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7957 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7958 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7959 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7960 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7961 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7962 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7963 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7964 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7965 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7966 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7967 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7968 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7969 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7970 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7971 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7972 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7973 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7974 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7975 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7976 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7977 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7978 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7979 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7980 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7981 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7982 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7983 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7984 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7985 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7986 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7987 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7988 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7989 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7990 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7991 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7992 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7993 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7994 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7995 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7996 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7997 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7998 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7999 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
8000 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
8001 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
8002 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
8003 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
8004 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
8005 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
8006 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
8007 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
8008 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
8009 { 0, 0, 0, 0, NULL }
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
8010 };
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
8011
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8012 /* *INDENT-ON* */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8013
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8014 /* vi: set ts=4 sw=4 expandtab: */