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annotate src/video/SDL_blit_auto.c @ 5175:51b4cfdf7ebb

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Don't free the surface since the application might be still using it. Also experimented with texture rectangle updates, but I think at this point the full rect update gives the most consistent results.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 04 Feb 2011 12:24:28 -0800
parents e743b9c3f6d6
children d976b67150c5
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) 1997-2011 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_BLEND|SDL_COPY_ADD)) {
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96 case SDL_COPY_BLEND:
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97 dstR = srcR + ((255 - srcA) * dstR) / 255;
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98 dstG = srcG + ((255 - srcA) * dstG) / 255;
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99 dstB = srcB + ((255 - srcA) * dstB) / 255;
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100 break;
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101 case SDL_COPY_ADD:
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102 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
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103 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
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104 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
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105 break;
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106 }
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107 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
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108 *dst = dstpixel;
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109 ++src;
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110 ++dst;
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111 }
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112 info->src += info->src_pitch;
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113 info->dst += info->dst_pitch;
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114 }
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115 }
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116
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117 static void SDL_Blit_RGB888_RGB888_Blend_Scale(SDL_BlitInfo *info)
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118 {
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119 const int flags = info->flags;
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120 Uint32 srcpixel;
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121 Uint32 srcR, srcG, srcB, srcA;
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122 Uint32 dstpixel;
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123 Uint32 dstR, dstG, dstB, dstA;
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124 int srcy, srcx;
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125 int posy, posx;
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126 int incy, incx;
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127
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128 srcy = 0;
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129 posy = 0;
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130 incy = (info->src_h << 16) / info->dst_h;
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131 incx = (info->src_w << 16) / info->dst_w;
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132
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133 while (info->dst_h--) {
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134 Uint32 *src;
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135 Uint32 *dst = (Uint32 *)info->dst;
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136 int n = info->dst_w;
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137 srcx = -1;
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138 posx = 0x10000L;
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139 while (posy >= 0x10000L) {
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140 ++srcy;
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141 posy -= 0x10000L;
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142 }
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143 while (n--) {
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144 if (posx >= 0x10000L) {
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145 while (posx >= 0x10000L) {
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146 ++srcx;
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147 posx -= 0x10000L;
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148 }
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149 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
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150 }
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151 srcpixel = *src;
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152 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
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153 dstpixel = *dst;
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154 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
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155 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
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156 /* This goes away if we ever use premultiplied alpha */
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157 if (srcA < 255) {
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158 srcR = (srcR * srcA) / 255;
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159 srcG = (srcG * srcA) / 255;
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160 srcB = (srcB * srcA) / 255;
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161 }
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162 }
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163 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
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164 case SDL_COPY_BLEND:
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165 dstR = srcR + ((255 - srcA) * dstR) / 255;
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166 dstG = srcG + ((255 - srcA) * dstG) / 255;
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167 dstB = srcB + ((255 - srcA) * dstB) / 255;
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168 break;
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169 case SDL_COPY_ADD:
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170 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
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171 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
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172 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
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173 break;
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174 }
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175 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
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176 *dst = dstpixel;
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177 posx += incx;
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178 ++dst;
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179 }
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180 posy += incy;
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181 info->dst += info->dst_pitch;
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182 }
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183 }
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184
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185 static void SDL_Blit_RGB888_RGB888_Modulate(SDL_BlitInfo *info)
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186 {
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187 const int flags = info->flags;
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188 const Uint32 modulateR = info->r;
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189 const Uint32 modulateG = info->g;
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190 const Uint32 modulateB = info->b;
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191 const Uint32 modulateA = info->a;
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192 Uint32 pixel;
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193 Uint32 R, G, B, A;
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194
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195 while (info->dst_h--) {
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196 Uint32 *src = (Uint32 *)info->src;
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197 Uint32 *dst = (Uint32 *)info->dst;
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198 int n = info->dst_w;
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199 while (n--) {
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200 pixel = *src;
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201 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
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202 if (flags & SDL_COPY_MODULATE_COLOR) {
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203 R = (R * modulateR) / 255;
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204 G = (G * modulateG) / 255;
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205 B = (B * modulateB) / 255;
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206 }
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207 if (flags & SDL_COPY_MODULATE_ALPHA) {
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208 A = (A * modulateA) / 255;
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209 }
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210 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
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211 *dst = pixel;
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212 ++src;
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213 ++dst;
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214 }
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215 info->src += info->src_pitch;
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216 info->dst += info->dst_pitch;
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217 }
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218 }
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219
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diff changeset
220 static void SDL_Blit_RGB888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262
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221 {
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222 const int flags = info->flags;
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223 const Uint32 modulateR = info->r;
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224 const Uint32 modulateG = info->g;
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225 const Uint32 modulateB = info->b;
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226 const Uint32 modulateA = info->a;
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227 Uint32 pixel;
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228 Uint32 R, G, B, A;
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229 int srcy, srcx;
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230 int posy, posx;
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231 int incy, incx;
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232
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233 srcy = 0;
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234 posy = 0;
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235 incy = (info->src_h << 16) / info->dst_h;
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236 incx = (info->src_w << 16) / info->dst_w;
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diff changeset
237
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diff changeset
238 while (info->dst_h--) {
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239 Uint32 *src;
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240 Uint32 *dst = (Uint32 *)info->dst;
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241 int n = info->dst_w;
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242 srcx = -1;
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243 posx = 0x10000L;
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244 while (posy >= 0x10000L) {
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245 ++srcy;
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diff changeset
246 posy -= 0x10000L;
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247 }
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248 while (n--) {
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249 if (posx >= 0x10000L) {
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250 while (posx >= 0x10000L) {
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251 ++srcx;
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252 posx -= 0x10000L;
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253 }
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diff changeset
254 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
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diff changeset
255 }
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diff changeset
256 pixel = *src;
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diff changeset
257 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
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diff changeset
258 if (flags & SDL_COPY_MODULATE_COLOR) {
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diff changeset
259 R = (R * modulateR) / 255;
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260 G = (G * modulateG) / 255;
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diff changeset
261 B = (B * modulateB) / 255;
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diff changeset
262 }
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diff changeset
263 if (flags & SDL_COPY_MODULATE_ALPHA) {
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diff changeset
264 A = (A * modulateA) / 255;
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265 }
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diff changeset
266 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;
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diff changeset
267 *dst = pixel;
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diff changeset
268 posx += incx;
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diff changeset
269 ++dst;
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diff changeset
270 }
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diff changeset
271 posy += incy;
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diff changeset
272 info->dst += info->dst_pitch;
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273 }
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274 }
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275
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diff changeset
276 static void SDL_Blit_RGB888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262
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diff changeset
277 {
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diff changeset
278 const int flags = info->flags;
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diff changeset
279 const Uint32 modulateR = info->r;
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diff changeset
280 const Uint32 modulateG = info->g;
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281 const Uint32 modulateB = info->b;
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282 const Uint32 modulateA = info->a;
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283 Uint32 srcpixel;
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284 Uint32 srcR, srcG, srcB, srcA;
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285 Uint32 dstpixel;
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diff changeset
286 Uint32 dstR, dstG, dstB, dstA;
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diff changeset
287
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diff changeset
288 while (info->dst_h--) {
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289 Uint32 *src = (Uint32 *)info->src;
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290 Uint32 *dst = (Uint32 *)info->dst;
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291 int n = info->dst_w;
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292 while (n--) {
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293 srcpixel = *src;
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294 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
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295 dstpixel = *dst;
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296 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
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297 if (flags & SDL_COPY_MODULATE_COLOR) {
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298 srcR = (srcR * modulateR) / 255;
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299 srcG = (srcG * modulateG) / 255;
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300 srcB = (srcB * modulateB) / 255;
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301 }
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302 if (flags & SDL_COPY_MODULATE_ALPHA) {
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303 srcA = (srcA * modulateA) / 255;
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304 }
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305 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
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diff changeset
306 /* This goes away if we ever use premultiplied alpha */
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307 if (srcA < 255) {
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308 srcR = (srcR * srcA) / 255;
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309 srcG = (srcG * srcA) / 255;
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310 srcB = (srcB * srcA) / 255;
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311 }
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312 }
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313 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
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314 case SDL_COPY_BLEND:
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315 dstR = srcR + ((255 - srcA) * dstR) / 255;
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316 dstG = srcG + ((255 - srcA) * dstG) / 255;
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317 dstB = srcB + ((255 - srcA) * dstB) / 255;
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318 break;
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319 case SDL_COPY_ADD:
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320 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
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321 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
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322 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
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323 break;
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324 }
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325 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
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326 *dst = dstpixel;
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327 ++src;
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328 ++dst;
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329 }
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330 info->src += info->src_pitch;
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331 info->dst += info->dst_pitch;
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332 }
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333 }
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334
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diff changeset
335 static void SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262
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336 {
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337 const int flags = info->flags;
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338 const Uint32 modulateR = info->r;
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339 const Uint32 modulateG = info->g;
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340 const Uint32 modulateB = info->b;
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341 const Uint32 modulateA = info->a;
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342 Uint32 srcpixel;
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343 Uint32 srcR, srcG, srcB, srcA;
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344 Uint32 dstpixel;
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345 Uint32 dstR, dstG, dstB, dstA;
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346 int srcy, srcx;
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347 int posy, posx;
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diff changeset
348 int incy, incx;
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349
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350 srcy = 0;
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351 posy = 0;
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352 incy = (info->src_h << 16) / info->dst_h;
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353 incx = (info->src_w << 16) / info->dst_w;
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354
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355 while (info->dst_h--) {
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356 Uint32 *src;
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357 Uint32 *dst = (Uint32 *)info->dst;
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diff changeset
358 int n = info->dst_w;
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diff changeset
359 srcx = -1;
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diff changeset
360 posx = 0x10000L;
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diff changeset
361 while (posy >= 0x10000L) {
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diff changeset
362 ++srcy;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
363 posy -= 0x10000L;
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diff changeset
364 }
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diff changeset
365 while (n--) {
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diff changeset
366 if (posx >= 0x10000L) {
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diff changeset
367 while (posx >= 0x10000L) {
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diff changeset
368 ++srcx;
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diff changeset
369 posx -= 0x10000L;
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diff changeset
370 }
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diff changeset
371 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
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diff changeset
372 }
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diff changeset
373 srcpixel = *src;
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diff changeset
374 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
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diff changeset
375 dstpixel = *dst;
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diff changeset
376 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
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parents:
diff changeset
377 if (flags & SDL_COPY_MODULATE_COLOR) {
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diff changeset
378 srcR = (srcR * modulateR) / 255;
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parents:
diff changeset
379 srcG = (srcG * modulateG) / 255;
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parents:
diff changeset
380 srcB = (srcB * modulateB) / 255;
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parents:
diff changeset
381 }
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parents:
diff changeset
382 if (flags & SDL_COPY_MODULATE_ALPHA) {
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parents:
diff changeset
383 srcA = (srcA * modulateA) / 255;
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parents:
diff changeset
384 }
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parents:
diff changeset
385 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
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parents:
diff changeset
386 /* This goes away if we ever use premultiplied alpha */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 if (srcA < 255) {
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parents:
diff changeset
388 srcR = (srcR * srcA) / 255;
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diff changeset
389 srcG = (srcG * srcA) / 255;
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parents:
diff changeset
390 srcB = (srcB * srcA) / 255;
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parents:
diff changeset
391 }
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parents:
diff changeset
392 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
393 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
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parents:
diff changeset
394 case SDL_COPY_BLEND:
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diff changeset
395 dstR = srcR + ((255 - srcA) * dstR) / 255;
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diff changeset
396 dstG = srcG + ((255 - srcA) * dstG) / 255;
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parents:
diff changeset
397 dstB = srcB + ((255 - srcA) * dstB) / 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 break;
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parents:
diff changeset
399 case SDL_COPY_ADD:
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diff changeset
400 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
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parents:
diff changeset
401 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
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parents:
diff changeset
402 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 *dst = dstpixel;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 posx += incx;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 ++dst;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 posy += incy;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 info->dst += info->dst_pitch;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
415 static void SDL_Blit_RGB888_BGR888_Scale(SDL_BlitInfo *info)
2262
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 const int flags = info->flags;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 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
420 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 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
427 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
428
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 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
432 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
433 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 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
446 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 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
449 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 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
456 }
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
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
459 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
460 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 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
462 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 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
464 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 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
466
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 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
469 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
470 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
471 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 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
474 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 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
476 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
477 /* 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
478 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
484 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 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
487 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
488 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
489 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 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
492 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
493 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
494 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496 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
497 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 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
502 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
503 }
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
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
506 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
507 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508 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
509 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510 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
511 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512 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
513 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
517 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 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
520 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
521
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
523 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524 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
525 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
526 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
529 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
530 posy -= 0x10000L;
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 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
534 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
536 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
537 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 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
539 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
541 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
542 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
543 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
544 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
545 /* 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
546 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
552 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554 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
555 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
556 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
557 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
558 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559 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
560 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
561 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
562 break;
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 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
565 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
566 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
567 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
568 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
569 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 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
571 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
572 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
574 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
575 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
576 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
577 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
578 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
579 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
580 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
581 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
582 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
583
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
584 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
585 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
586 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
587 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
588 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
589 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
590 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
591 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
592 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
593 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
594 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
595 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
596 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
597 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
598 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
599 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
600 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
601 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
602 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
603 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
604 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
605 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
606 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
607 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
608
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
609 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
610 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
611 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
612 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
613 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
614 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
615 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
616 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
617 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
618 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
619 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
620 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
621
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
622 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
623 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
624 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
625 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
626
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
627 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
628 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
629 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
630 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
631 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
632 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
633 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
634 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
635 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
636 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
637 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
638 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
639 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
640 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
641 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
642 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
643 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
644 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
645 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
646 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
647 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
648 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
649 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
650 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
651 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
652 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
653 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
654 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
655 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
656 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
657 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
658 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
659 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
660 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
661 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
662 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
663 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
664
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
665 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
666 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
667 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
668 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
669 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
670 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
671 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
672 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
673 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
674 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
675 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
676
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
677 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
678 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
679 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
680 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
681 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
682 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
683 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
684 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
685 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
686 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
687 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
688 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
689 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
690 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
691 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
692 srcA = (srcA * modulateA) / 255;
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 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
695 /* 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
696 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
697 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
698 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
699 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
700 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
701 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
702 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
703 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
704 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
705 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
706 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
707 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
708 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
709 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
710 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
711 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
712 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
713 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
714 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
715 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
716 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
717 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
718 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
719 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
720 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
721 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
722 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
723
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
724 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
725 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
726 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
727 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
728 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
729 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
730 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
731 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
732 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
733 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
734 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
735 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
736 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
737 int incy, incx;
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 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
740 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
741 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
742 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
743
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
744 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
745 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
746 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
747 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
748 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
749 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
750 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
751 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
752 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
753 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
754 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
755 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
756 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
757 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
758 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
759 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
760 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
761 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
762 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
763 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
764 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
765 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
766 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
767 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
768 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
769 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
770 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
771 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
772 srcA = (srcA * modulateA) / 255;
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 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
775 /* 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
776 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
777 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
778 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
779 srcB = (srcB * srcA) / 255;
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 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
782 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
783 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
784 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
785 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
786 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
787 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
788 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
789 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
790 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
791 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
792 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
793 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
794 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
795 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
796 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
797 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
798 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
799 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
800 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
801 }
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
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
804 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
805 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
806 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
807 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
808 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
809 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
810 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
811 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
812
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
813 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
814 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
815 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
816 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
817
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
818 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
819 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
820 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
821 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
822 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
823 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
824 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
825 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
826 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
827 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
828 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
829 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
830 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
831 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
832 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
833 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
834 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
835 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
836 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
837 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
838 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
839 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
840 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
841 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
842 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
843 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
844 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
845 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
846 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
847
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
848 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
849 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
850 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
851 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
852 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
853 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
854 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
855
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
856 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
857 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
858 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
859 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
860 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
861 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
862 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
863 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
864 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
865 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
866 /* 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
867 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
868 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
869 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
870 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
871 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
872 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
873 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
874 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
875 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
876 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
877 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
878 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
879 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
880 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
881 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
882 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
883 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
884 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
885 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
886 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
887 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
888 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
889 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
890 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
891 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
892 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
893 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
894
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
895 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
896 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
897 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
898 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
899 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
900 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
901 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
902 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
903 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
904 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
905
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
906 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
907 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
908 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
909 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
910
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
911 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
912 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
913 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
914 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
915 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
916 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
917 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
918 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
919 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
920 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
921 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
922 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
923 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
924 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
925 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
926 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
927 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
928 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
929 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
930 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
931 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
932 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
933 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
934 /* 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
935 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
936 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
937 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
938 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
939 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
940 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
941 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
942 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
943 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
944 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
945 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
946 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
947 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
948 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
949 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
950 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
951 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
952 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
953 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
954 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
955 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
956 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
957 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
958 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
959 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
960 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
961 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
962
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
963 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
964 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
965 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
966 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
967 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
968 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
969 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
970 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
971 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
972
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
973 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
974 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
975 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
976 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
977 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
978 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
979 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
980 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
981 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
982 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
983 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
984 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
985 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
986 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
987 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
988 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
989 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
990 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
991 ++dst;
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 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
994 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
995 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
996 }
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 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
999 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1000 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1001 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1002 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1003 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1004 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1005 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1006 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1007 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1008 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1009 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1010
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1011 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1012 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1013 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
1014 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
1015
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1016 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1017 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1018 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1019 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1020 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1021 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1022 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1023 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1024 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1025 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1026 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1027 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1028 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1029 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1030 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1031 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1032 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
1033 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1034 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1035 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
1036 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
1037 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1038 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1039 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1040 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1041 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
1042 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1043 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1044 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
1045 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1046 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1047 ++dst;
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 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1050 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1051 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1052 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1053
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1054 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
1055 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1056 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1057 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1058 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1059 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1060 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1061 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1062 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1063 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1064 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1065
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1066 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1067 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1068 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1069 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1070 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1071 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1072 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
1073 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1074 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
1075 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
1076 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1077 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1078 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1079 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1080 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
1081 srcA = (srcA * modulateA) / 255;
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 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
1084 /* 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
1085 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1086 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1087 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1088 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1089 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1090 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1091 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1092 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1093 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
1094 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
1095 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
1096 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1097 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1098 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
1099 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
1100 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
1101 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1102 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1103 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
1104 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1105 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1106 ++dst;
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 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1109 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1110 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1111 }
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 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
1114 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1115 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1116 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1117 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1118 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1119 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1120 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1121 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1122 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1123 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1124 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1125 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1126 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1127
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1128 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1129 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1130 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
1131 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
1132
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1133 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1134 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1135 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1136 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1137 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1138 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1139 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1140 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1141 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1142 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1143 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1144 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1145 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1146 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1147 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1148 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1149 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
1150 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1151 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1152 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
1153 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1154 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
1155 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
1156 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1157 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1158 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1159 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1160 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
1161 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1162 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1163 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
1164 /* 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
1165 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1166 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1167 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1168 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1169 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1170 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1171 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1172 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1173 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
1174 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
1175 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
1176 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1177 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1178 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
1179 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
1180 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
1181 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1182 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1183 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
1184 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1185 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1186 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1187 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1188 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1189 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1190 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1191 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1192
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1193 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
1194 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1195 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
1196 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1197 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
1198 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1199 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1200 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1201
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1202 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1203 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1204 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
1205 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
1206
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1207 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1208 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1209 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
1210 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
1211 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1212 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1213 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1214 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1215 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1216 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1217 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1218 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1219 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1220 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1221 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1222 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1223 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
1224 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1225 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1226 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
1227 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
1228 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1229 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1230 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1231 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1232 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1233 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
1234 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1235 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1236
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1237 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
1238 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1239 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
1240 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1241 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
1242 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1243 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
1244
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1245 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1246 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
1247 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
1248 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
1249 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1250 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1251 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
1252 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1253 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
1254 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
1255 /* 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
1256 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1257 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1258 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1259 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1260 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1261 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1262 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1263 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1264 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
1265 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
1266 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
1267 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1268 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1269 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
1270 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
1271 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
1272 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1273 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1274 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
1275 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1276 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1277 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1278 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1279 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
1280 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
1281 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1282 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1283
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1284 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
1285 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1286 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
1287 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1288 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
1289 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1290 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
1291 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1292 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1293 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1294
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1295 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1296 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1297 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
1298 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
1299
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1300 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1301 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1302 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
1303 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
1304 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1305 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1306 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1307 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1308 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1309 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1310 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1311 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1312 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1313 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1314 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1315 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1316 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
1317 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1318 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1319 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
1320 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1321 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
1322 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
1323 /* 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
1324 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1325 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1326 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1327 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1328 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1329 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1330 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1331 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1332 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
1333 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
1334 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
1335 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1336 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1337 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
1338 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
1339 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
1340 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1341 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1342 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
1343 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1344 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1345 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1346 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1347 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1348 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
1349 }
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
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1352 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
1353 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1354 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
1355 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
1356 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
1357 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
1358 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
1359 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1360 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
1361
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1362 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1363 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
1364 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
1365 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
1366 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1367 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1368 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
1369 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
1370 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1371 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1372 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1373 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1374 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
1375 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1376 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1377 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
1378 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1379 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1380 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1381 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1382 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
1383 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
1384 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1385 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1386
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1387 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
1388 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1389 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
1390 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
1391 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
1392 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
1393 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
1394 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1395 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
1396 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1397 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1398 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1399
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1400 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1401 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1402 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
1403 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
1404
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1405 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1406 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1407 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
1408 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
1409 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1410 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1411 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1412 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1413 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1414 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1415 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1416 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1417 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1418 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1419 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1420 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1421 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
1422 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1423 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1424 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
1425 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
1426 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1427 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1428 B = (B * modulateB) / 255;
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 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
1431 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1432 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1433 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
1434 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1435 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1436 ++dst;
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 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1439 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
1440 }
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
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1443 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
1444 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1445 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
1446 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
1447 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
1448 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
1449 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
1450 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1451 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
1452 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1453 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
1454
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1455 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1456 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
1457 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
1458 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
1459 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1460 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1461 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
1462 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1463 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
1464 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
1465 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1466 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1467 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1468 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1469 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
1470 srcA = (srcA * modulateA) / 255;
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 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
1473 /* 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
1474 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1475 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1476 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1477 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1478 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1479 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1480 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1481 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1482 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
1483 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
1484 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
1485 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1486 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1487 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
1488 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
1489 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
1490 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1491 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1492 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
1493 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1494 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1495 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1496 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1497 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
1498 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
1499 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1500 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1501
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1502 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
1503 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1504 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
1505 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
1506 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
1507 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
1508 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
1509 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1510 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
1511 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1512 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
1513 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1514 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1515 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1516
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1517 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1518 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1519 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
1520 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
1521
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1522 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1523 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1524 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
1525 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
1526 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1527 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1528 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1529 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1530 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1531 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1532 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1533 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1534 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1535 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1536 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1537 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1538 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
1539 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1540 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1541 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
1542 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1543 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
1544 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
1545 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1546 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1547 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1548 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1549 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
1550 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1551 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1552 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
1553 /* 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
1554 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1555 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1556 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1557 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1558 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1559 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1560 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1561 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1562 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
1563 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
1564 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
1565 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1566 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1567 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
1568 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
1569 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
1570 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1571 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1572 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
1573 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1574 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1575 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1576 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1577 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1578 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
1579 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1580 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1581
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1582 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
1583 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1584 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
1585 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1586 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1587 int incy, incx;
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 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1590 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1591 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
1592 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
1593
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1594 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1595 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1596 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
1597 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
1598 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1599 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1600 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1601 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1602 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1603 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1604 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1605 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1606 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1607 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1608 posx -= 0x10000L;
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 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
1611 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1612 *dst = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1613 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1614 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1615 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1616 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1617 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
1618 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1619 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1620
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1621 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
1622 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1623 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
1624 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1625 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
1626 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1627 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
1628
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1629 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1630 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
1631 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
1632 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
1633 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1634 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1635 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
1636 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1637 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
1638 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
1639 /* 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
1640 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1641 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1642 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1643 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1644 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1645 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1646 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1647 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1648 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
1649 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
1650 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
1651 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1652 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1653 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
1654 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
1655 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
1656 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1657 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1658 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
1659 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1660 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1661 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1662 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1663 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
1664 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
1665 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1666 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1667
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1668 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
1669 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1670 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
1671 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1672 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
1673 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1674 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
1675 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1676 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1677 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1678
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1679 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1680 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1681 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
1682 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
1683
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1684 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1685 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1686 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
1687 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
1688 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1689 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1690 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1691 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1692 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1693 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1694 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1695 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1696 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1697 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1698 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1699 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1700 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
1701 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1702 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1703 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
1704 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1705 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
1706 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
1707 /* 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
1708 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1709 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1710 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1711 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1712 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1713 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1714 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1715 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1716 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
1717 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
1718 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
1719 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1720 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1721 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
1722 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
1723 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
1724 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1725 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1726 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
1727 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1728 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1729 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1730 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1731 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1732 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
1733 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1734 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1735
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1736 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
1737 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1738 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
1739 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
1740 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
1741 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
1742 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
1743 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1744 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
1745
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1746 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1747 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
1748 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
1749 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
1750 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1751 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1752 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
1753 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
1754 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1755 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1756 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1757 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1758 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
1759 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1760 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1761 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
1762 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1763 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1764 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1765 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1766 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
1767 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
1768 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1769 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1770
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1771 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
1772 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1773 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
1774 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
1775 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
1776 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
1777 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
1778 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1779 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
1780 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1781 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1782 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1783
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1784 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1785 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1786 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
1787 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
1788
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1789 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1790 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1791 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
1792 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
1793 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1794 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1795 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1796 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1797 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1798 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1799 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1800 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1801 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1802 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1803 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1804 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1805 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
1806 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1807 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1808 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
1809 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
1810 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1811 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1812 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1813 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1814 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
1815 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1816 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1817 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
1818 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1819 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1820 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1821 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1822 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1823 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
1824 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1825 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1826
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1827 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
1828 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1829 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
1830 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
1831 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
1832 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
1833 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
1834 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1835 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
1836 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1837 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
1838
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1839 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1840 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
1841 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
1842 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
1843 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1844 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1845 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
1846 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1847 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
1848 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
1849 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1850 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1851 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1852 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1853 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
1854 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1855 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1856 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
1857 /* 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
1858 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1859 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1860 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1861 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1862 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1863 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1864 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1865 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1866 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
1867 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
1868 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
1869 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1870 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1871 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
1872 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
1873 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
1874 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1875 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1876 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
1877 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1878 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1879 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1880 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1881 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
1882 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
1883 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1884 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1885
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
1886 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
1887 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1888 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
1889 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
1890 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
1891 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
1892 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
1893 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1894 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
1895 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1896 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
1897 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1898 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1899 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1900
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1901 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1902 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1903 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
1904 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
1905
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1906 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1907 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1908 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
1909 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
1910 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1911 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1912 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1913 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1914 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1915 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1916 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1917 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1918 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1919 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1920 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1921 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1922 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
1923 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1924 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1925 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
1926 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1927 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
1928 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
1929 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1930 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1931 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1932 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1933 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
1934 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1935 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1936 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
1937 /* 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
1938 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1939 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1940 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1941 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1942 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1943 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
1944 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1945 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1946 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
1947 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
1948 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
1949 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1950 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1951 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
1952 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
1953 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
1954 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1955 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1956 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
1957 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1958 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1959 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1960 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1961 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1962 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
1963 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1964 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1965
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1966 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
1967 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1968 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1969 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1970 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1971 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1972 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1973 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1974
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1975 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1976 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1977 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
1978 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
1979
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1980 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1981 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1982 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1983 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1984 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1985 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1986 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1987 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1988 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1989 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1990 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1991 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1992 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1993 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1994 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1995 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1996 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
1997 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1998 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
1999 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
2000 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
2001 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2002 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2003 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2004 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2005 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2006 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2007 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2008 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2009
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2010 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
2011 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2012 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2013 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2014 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2015 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2016 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2017
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2018 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2019 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2020 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2021 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2022 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2023 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2024 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
2025 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2026 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
2027 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
2028 /* 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
2029 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2030 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2031 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2032 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2033 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2034 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2035 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2036 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2037 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
2038 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
2039 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
2040 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2041 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2042 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
2043 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
2044 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
2045 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2046 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2047 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
2048 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2049 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2050 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2051 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2052 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2053 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2054 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2055 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2056
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2057 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
2058 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2059 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2060 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2061 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2062 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2063 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2064 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2065 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2066 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2067
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2068 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2069 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2070 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
2071 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
2072
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2073 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2074 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2075 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2076 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2077 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2078 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2079 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2080 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2081 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2082 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2083 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2084 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2085 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2086 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2087 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2088 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2089 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
2090 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2091 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2092 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
2093 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2094 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
2095 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
2096 /* 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
2097 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2098 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2099 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2100 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2101 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2102 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2103 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2104 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2105 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
2106 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
2107 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
2108 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2109 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2110 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
2111 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
2112 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
2113 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2114 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2115 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
2116 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2117 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2118 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2119 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2120 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2121 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2122 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2123 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2124
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2125 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
2126 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2127 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2128 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2129 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2130 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2131 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2132 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2133 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2134
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2135 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2136 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2137 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2138 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2139 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2140 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2141 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
2142 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
2143 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2144 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2145 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2146 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2147 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
2148 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2149 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2150 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
2151 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2152 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2153 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2154 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2155 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2156 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2157 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2158 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2159
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2160 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
2161 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2162 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2163 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2164 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2165 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2166 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2167 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2168 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2169 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2170 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2171 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2172
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2173 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2174 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2175 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
2176 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
2177
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2178 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2179 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2180 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2181 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2182 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2183 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2184 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2185 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2186 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2187 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2188 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2189 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2190 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2191 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2192 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2193 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2194 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
2195 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2196 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2197 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
2198 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
2199 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2200 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2201 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2202 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2203 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
2204 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2205 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2206 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
2207 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2208 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2209 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2210 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2211 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2212 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2213 }
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
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2216 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
2217 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2218 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2219 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2220 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2221 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2222 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2223 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2224 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2225 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2226 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2227
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2228 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2229 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2230 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2231 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2232 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2233 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2234 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
2235 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2236 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
2237 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
2238 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2239 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2240 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2241 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2242 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
2243 srcA = (srcA * modulateA) / 255;
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 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
2246 /* 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
2247 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2248 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2249 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2250 srcB = (srcB * srcA) / 255;
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 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2253 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2254 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2255 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
2256 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
2257 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
2258 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2259 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2260 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
2261 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
2262 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
2263 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2264 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2265 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
2266 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2267 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2268 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2269 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2270 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2271 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2272 }
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 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
2276 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2277 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2278 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2279 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2280 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2281 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2282 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2283 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2284 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2285 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2286 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2287 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2288 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2289
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2290 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2291 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2292 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
2293 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
2294
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2295 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2296 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2297 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2298 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2299 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2300 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2301 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2302 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2303 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2304 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2305 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2306 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2307 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2308 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2309 posx -= 0x10000L;
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 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
2312 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2313 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2314 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
2315 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2316 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
2317 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
2318 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2319 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2320 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2321 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2322 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
2323 srcA = (srcA * modulateA) / 255;
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 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
2326 /* 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
2327 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2328 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2329 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2330 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2331 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2332 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2333 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2334 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2335 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
2336 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
2337 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
2338 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2339 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2340 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
2341 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
2342 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
2343 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2344 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2345 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
2346 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2347 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2348 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2349 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2350 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2351 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
2352 }
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
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2355 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
2356 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2357 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
2358 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2359 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
2360 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2361 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2362 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2363
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2364 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2365 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2366 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
2367 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
2368
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2369 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2370 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2371 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
2372 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
2373 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2374 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2375 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2376 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2377 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2378 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2379 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2380 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2381 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2382 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2383 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2384 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2385 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
2386 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2387 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2388 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
2389 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
2390 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2391 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2392 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2393 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2394 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2395 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
2396 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2397 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2398
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2399 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
2400 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2401 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
2402 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2403 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
2404 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2405 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
2406
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2407 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2408 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
2409 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
2410 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
2411 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2412 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2413 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
2414 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2415 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
2416 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
2417 /* 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
2418 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2419 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2420 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2421 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2422 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2423 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2424 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2425 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2426 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
2427 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
2428 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
2429 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2430 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2431 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
2432 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
2433 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
2434 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2435 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2436 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
2437 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2438 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2439 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2440 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2441 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
2442 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
2443 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2444 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2445
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2446 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
2447 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2448 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
2449 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2450 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
2451 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2452 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
2453 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2454 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2455 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2456
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2457 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2458 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2459 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
2460 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
2461
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2462 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2463 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2464 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
2465 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
2466 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2467 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2468 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2469 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2470 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2471 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2472 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2473 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2474 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2475 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2476 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2477 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2478 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
2479 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2480 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2481 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
2482 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2483 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
2484 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
2485 /* 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
2486 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2487 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2488 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2489 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2490 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2491 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2492 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2493 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2494 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
2495 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
2496 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
2497 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2498 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2499 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
2500 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
2501 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
2502 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2503 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2504 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
2505 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2506 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2507 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2508 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2509 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2510 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
2511 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2512 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2513
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2514 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
2515 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2516 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
2517 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
2518 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
2519 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
2520 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
2521 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2522 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
2523
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2524 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2525 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
2526 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
2527 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
2528 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2529 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2530 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
2531 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
2532 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2533 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2534 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2535 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2536 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
2537 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2538 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2539 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
2540 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2541 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2542 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2543 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2544 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
2545 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
2546 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2547 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2548
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2549 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
2550 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2551 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
2552 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
2553 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
2554 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
2555 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
2556 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2557 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
2558 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2559 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2560 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2561
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2562 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2563 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2564 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
2565 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
2566
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2567 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2568 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2569 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
2570 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
2571 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2572 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2573 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2574 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2575 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2576 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2577 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2578 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2579 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2580 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2581 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2582 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2583 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
2584 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2585 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2586 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
2587 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
2588 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2589 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2590 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2591 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2592 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
2593 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2594 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2595 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
2596 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2597 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2598 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2599 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2600 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2601 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
2602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2603 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2604
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2605 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
2606 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2607 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
2608 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
2609 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
2610 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
2611 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
2612 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2613 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
2614 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2615 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
2616
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2617 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2618 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
2619 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
2620 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
2621 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2622 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2623 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
2624 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2625 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
2626 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
2627 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2628 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2629 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2630 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2631 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
2632 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2633 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2634 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
2635 /* 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
2636 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2637 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2638 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2639 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2640 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2641 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2642 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2643 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2644 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
2645 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
2646 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
2647 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2648 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2649 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
2650 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
2651 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
2652 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2653 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2654 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
2655 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2656 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2657 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2658 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2659 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
2660 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
2661 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2662 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2663
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2664 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
2665 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2666 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
2667 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
2668 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
2669 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
2670 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
2671 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2672 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
2673 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2674 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
2675 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2676 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2677 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2678
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2679 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2680 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2681 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
2682 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
2683
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2684 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2685 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2686 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
2687 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
2688 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2689 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2690 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2691 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2692 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2693 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2694 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2695 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2696 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2697 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2698 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2699 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2700 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
2701 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2702 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2703 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
2704 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2705 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
2706 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
2707 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2708 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2709 srcB = (srcB * modulateB) / 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 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
2712 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2713 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2714 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
2715 /* 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
2716 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2717 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2718 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2719 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2720 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2721 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2722 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2723 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2724 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
2725 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
2726 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
2727 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2728 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2729 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
2730 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
2731 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
2732 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2733 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2734 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
2735 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2736 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2737 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2738 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2739 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2740 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
2741 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2742 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2743
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2744 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
2745 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2746 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
2747 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2748 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
2749 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2750 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2751 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2752
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2753 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2754 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2755 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
2756 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
2757
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2758 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2759 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2760 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
2761 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
2762 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2763 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2764 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2765 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2766 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2767 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2768 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2769 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2770 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2771 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2772 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2773 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2774 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
2775 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2776 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2777 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
2778 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
2779 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2780 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2781 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2782 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2783 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2784 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
2785 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2786 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2787
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2788 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
2789 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2790 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
2791 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2792 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
2793 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2794 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
2795
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2796 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2797 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
2798 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
2799 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
2800 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2801 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2802 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
2803 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2804 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
2805 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
2806 /* 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
2807 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2808 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2809 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2810 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2811 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2812 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2813 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2814 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2815 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
2816 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
2817 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
2818 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2819 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2820 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
2821 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
2822 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
2823 break;
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 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
2826 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2827 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2828 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2829 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2830 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
2831 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
2832 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2833 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2834
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2835 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
2836 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2837 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
2838 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2839 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
2840 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2841 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
2842 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2843 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2844 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2845
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2846 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2847 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2848 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
2849 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
2850
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2851 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2852 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2853 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
2854 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
2855 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2856 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2857 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2858 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2859 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2860 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2861 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2862 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2863 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2864 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2865 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2866 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2867 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
2868 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2869 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2870 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
2871 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2872 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
2873 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
2874 /* 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
2875 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2876 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2877 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2878 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2879 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2880 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
2881 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2882 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2883 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
2884 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
2885 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
2886 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2887 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2888 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
2889 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
2890 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
2891 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2892 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2893 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
2894 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2895 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2896 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2897 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2898 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2899 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
2900 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2901 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2902
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2903 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
2904 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2905 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
2906 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
2907 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
2908 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
2909 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
2910 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2911 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
2912
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2913 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2914 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
2915 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
2916 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
2917 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2918 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2919 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
2920 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
2921 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2922 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2923 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2924 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2925 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
2926 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2927 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2928 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
2929 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2930 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2931 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2932 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2933 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
2934 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
2935 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2936 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2937
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2938 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
2939 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2940 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
2941 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
2942 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
2943 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
2944 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
2945 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2946 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
2947 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2948 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2949 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2950
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2951 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2952 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2953 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
2954 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
2955
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2956 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2957 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2958 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
2959 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
2960 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2961 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2962 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2963 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2964 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2965 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2966 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2967 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2968 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2969 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2970 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2971 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2972 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
2973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2974 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2975 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
2976 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
2977 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2978 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2979 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2980 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2981 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
2982 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2983 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2984 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
2985 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2986 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2987 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2988 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2989 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2990 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
2991 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2992 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2993
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
2994 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
2995 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2996 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
2997 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
2998 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
2999 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
3000 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
3001 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3002 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
3003 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3004 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
3005
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3006 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3007 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
3008 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
3009 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
3010 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3011 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3012 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
3013 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3014 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
3015 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
3016 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3017 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3018 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3019 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3020 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
3021 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3022 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3023 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
3024 /* 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
3025 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3026 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3027 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3028 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3029 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3030 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3031 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3032 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3033 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
3034 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
3035 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
3036 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3037 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3038 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
3039 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
3040 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
3041 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3042 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3043 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
3044 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3045 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3046 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3047 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3048 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
3049 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
3050 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3051 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3052
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3053 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
3054 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3055 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
3056 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
3057 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
3058 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
3059 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
3060 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3061 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
3062 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3063 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
3064 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3065 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3066 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3067
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3068 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3069 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3070 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
3071 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
3072
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3073 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3074 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3075 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
3076 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
3077 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3078 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3079 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3080 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3081 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3082 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3083 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3084 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3085 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3086 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3087 posx -= 0x10000L;
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 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
3090 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3091 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3092 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
3093 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3094 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
3095 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
3096 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3097 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3098 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3099 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3100 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
3101 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3102 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3103 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
3104 /* 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
3105 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3106 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3107 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3108 srcB = (srcB * srcA) / 255;
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 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3111 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3112 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3113 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
3114 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
3115 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
3116 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3117 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3118 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
3119 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
3120 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
3121 break;
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 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
3124 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3125 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3126 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3127 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3128 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3129 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
3130 }
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
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3133 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
3134 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3135 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3136 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3137 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3138 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3139
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3140 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3141 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3142 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
3143 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
3144
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3145 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3146 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3147 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3148 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3149 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3150 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3151 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3152 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3153 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3154 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3155 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3156 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3157 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3158 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3159 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3160 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3161 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
3162 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3163 *dst = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3164 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3165 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3166 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3167 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3168 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3169 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3170 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3171
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3172 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
3173 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3174 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3175 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3176 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3177 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3178 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3179
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3180 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3181 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3182 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3183 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3184 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3185 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3186 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
3187 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3188 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
3189 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
3190 /* 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
3191 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3192 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3193 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3194 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3195 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3196 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3197 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3198 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3199 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
3200 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
3201 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
3202 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3203 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3204 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
3205 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
3206 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
3207 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3208 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3209 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
3210 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3211 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3212 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3213 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3214 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3215 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3216 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3217 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3218
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3219 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
3220 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3221 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3222 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3223 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3224 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3225 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3226 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3227 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3228 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3229
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3230 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3231 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3232 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
3233 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
3234
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3235 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3236 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3237 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3238 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3239 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3240 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3241 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3242 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3243 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3244 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3245 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3246 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3247 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3248 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3249 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3250 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3251 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
3252 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3253 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3254 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
3255 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3256 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
3257 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
3258 /* 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
3259 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3260 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3261 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3262 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3263 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3264 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3265 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3266 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3267 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
3268 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
3269 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
3270 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3271 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3272 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
3273 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
3274 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
3275 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3276 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3277 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
3278 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3279 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3280 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3281 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3282 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3283 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3284 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3285 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3286
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3287 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
3288 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3289 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3290 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3291 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3292 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3293 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3294 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3295 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3296
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3297 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3298 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3299 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3300 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3301 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3302 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3303 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
3304 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
3305 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3306 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3307 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3308 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3309 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
3310 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3311 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3312 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
3313 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3314 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3315 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3316 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3317 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3318 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3319 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3320 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3321
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3322 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
3323 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3324 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3325 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3326 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3327 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3328 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3329 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3330 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3331 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3332 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3333 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3334
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3335 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3336 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3337 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
3338 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
3339
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3340 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3341 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3342 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3343 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3344 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3345 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3346 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3347 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3348 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3349 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3350 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3351 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3352 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3353 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3354 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3355 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3356 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
3357 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3358 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3359 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
3360 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
3361 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3362 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3363 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3364 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3365 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
3366 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3367 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3368 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
3369 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3370 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3371 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3372 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3373 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3374 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3375 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3376 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3377
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3378 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
3379 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3380 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3381 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3382 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3383 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3384 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3385 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3386 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3387 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3388 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3389
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3390 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3391 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3392 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3393 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3394 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3395 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3396 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
3397 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3398 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
3399 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
3400 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3401 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3402 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3403 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3404 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
3405 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3406 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3407 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
3408 /* 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
3409 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3410 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3411 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3412 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3413 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3414 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3415 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3416 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3417 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
3418 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
3419 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
3420 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3421 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3422 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
3423 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
3424 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
3425 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3426 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3427 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
3428 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3429 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3430 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3431 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3432 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3433 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3434 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3435 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3436
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3437 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
3438 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3439 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3440 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3441 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3442 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3443 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3444 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3445 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3446 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3447 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3448 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3449 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3450 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3451
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3452 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3453 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3454 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
3455 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
3456
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3457 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3458 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3459 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3460 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3461 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3462 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3463 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3464 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3465 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3466 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3467 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3468 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3469 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3470 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3471 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3472 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3473 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
3474 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3475 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3476 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
3477 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3478 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
3479 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
3480 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3481 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3482 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3483 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3484 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
3485 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3486 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3487 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
3488 /* 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
3489 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3490 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3491 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3492 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3493 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3494 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3495 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3496 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3497 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
3498 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
3499 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
3500 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3501 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3502 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
3503 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
3504 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
3505 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3506 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3507 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
3508 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3509 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3510 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3511 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3512 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3513 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3514 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3515 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
3516
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3517 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
3518 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3519 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
3520 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3521 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
3522 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3523 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3524 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3525
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3526 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3527 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3528 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
3529 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
3530
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3531 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3532 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3533 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
3534 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
3535 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3536 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3537 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3538 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3539 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3540 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3541 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3542 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3543 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3544 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3545 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3546 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3547 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
3548 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3549 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3550 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
3551 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
3552 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3553 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3554 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3555 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3556 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3557 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
3558 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3559 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3560
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3561 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
3562 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3563 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
3564 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3565 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
3566 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3567 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
3568
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3569 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3570 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
3571 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
3572 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
3573 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3574 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3575 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
3576 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3577 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
3578 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
3579 /* 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
3580 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3581 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3582 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3583 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3584 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3585 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3586 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3587 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3588 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
3589 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
3590 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
3591 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3592 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3593 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
3594 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
3595 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
3596 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3597 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3598 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
3599 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3600 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3601 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3603 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
3604 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
3605 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3606 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3607
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3608 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
3609 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3610 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
3611 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3612 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
3613 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3614 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
3615 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3616 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3617 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3618
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3619 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3620 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3621 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
3622 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
3623
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3624 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3625 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3626 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
3627 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
3628 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3629 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3630 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3631 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3632 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3633 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3634 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3635 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3636 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3637 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3638 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3639 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3640 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
3641 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3642 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3643 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
3644 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3645 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
3646 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
3647 /* 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
3648 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3649 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3650 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3651 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3652 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3653 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3654 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3655 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3656 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
3657 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
3658 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
3659 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3660 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3661 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
3662 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
3663 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
3664 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3665 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3666 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
3667 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3668 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3669 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3670 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3671 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3672 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
3673 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3674 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3675
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3676 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
3677 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3678 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
3679 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
3680 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
3681 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
3682 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
3683 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3684 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
3685
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3686 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3687 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
3688 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
3689 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
3690 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3691 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3692 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
3693 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
3694 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3695 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3696 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3697 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3698 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
3699 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3700 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3701 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
3702 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3703 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3704 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3705 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3706 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
3707 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
3708 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3709 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3710
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3711 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
3712 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3713 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
3714 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
3715 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
3716 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
3717 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
3718 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3719 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
3720 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3721 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3722 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3723
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3724 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3725 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3726 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
3727 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
3728
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3729 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3730 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3731 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
3732 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
3733 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3734 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3735 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3736 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3737 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3738 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3739 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3740 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3741 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3742 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3743 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3744 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3745 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
3746 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3747 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3748 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
3749 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
3750 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3751 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3752 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3753 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3754 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
3755 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3756 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3757 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
3758 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3759 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3760 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3761 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3762 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3763 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
3764 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3765 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3766
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3767 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
3768 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3769 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
3770 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
3771 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
3772 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
3773 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
3774 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3775 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
3776 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3777 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
3778
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3779 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3780 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
3781 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
3782 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
3783 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3784 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3785 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
3786 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3787 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
3788 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
3789 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3790 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3791 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3792 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3793 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
3794 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3795 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3796 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
3797 /* 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
3798 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3799 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3800 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3801 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3802 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3803 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3804 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3805 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3806 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
3807 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
3808 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
3809 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3810 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3811 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
3812 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
3813 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
3814 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3815 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3816 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
3817 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3818 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3819 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3820 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3821 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
3822 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
3823 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3824 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3825
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3826 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
3827 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3828 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
3829 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
3830 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
3831 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
3832 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
3833 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3834 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
3835 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3836 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
3837 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3838 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3839 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3840
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3841 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3842 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3843 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
3844 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
3845
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3846 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3847 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3848 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
3849 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
3850 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3851 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3852 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3853 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3854 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3855 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3856 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3857 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3858 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3859 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3860 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3861 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3862 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
3863 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3864 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3865 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
3866 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3867 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
3868 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
3869 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3870 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3871 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3872 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3873 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
3874 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3875 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3876 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
3877 /* 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
3878 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3879 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3880 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3881 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3882 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3883 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3884 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3885 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3886 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
3887 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
3888 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
3889 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3890 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3891 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
3892 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
3893 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
3894 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3895 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3896 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
3897 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3898 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3899 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3900 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3901 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3902 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
3903 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3904 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3905
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3906 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
3907 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3908 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
3909 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3910 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
3911 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3912 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3913 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3914
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3915 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3916 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3917 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
3918 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
3919
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3920 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3921 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3922 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
3923 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
3924 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3925 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3926 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3927 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3928 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3929 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3930 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3931 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3932 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3933 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3934 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3935 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3936 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
3937 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3938 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3939 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
3940 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
3941 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3942 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3943 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3944 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3945 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3946 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
3947 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3948 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3949
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3950 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
3951 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3952 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
3953 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3954 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
3955 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3956 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
3957
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3958 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3959 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
3960 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
3961 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
3962 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3963 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3964 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
3965 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3966 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
3967 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
3968 /* 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
3969 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3970 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3971 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3972 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3974 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
3975 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3976 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3977 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
3978 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
3979 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
3980 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3981 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3982 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
3983 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
3984 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
3985 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3986 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3987 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
3988 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3989 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3990 ++dst;
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 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
3993 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
3994 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3995 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3996
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
3997 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
3998 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3999 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
4000 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4001 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
4002 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4003 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
4004 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4005 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4006 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4007
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4008 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4009 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4010 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
4011 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
4012
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4013 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4014 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4015 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
4016 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
4017 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4018 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4019 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4020 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4021 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4022 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4023 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4024 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4025 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4026 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4027 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4028 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4029 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
4030 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4031 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4032 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
4033 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4034 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
4035 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
4036 /* 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
4037 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4038 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4039 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4040 srcB = (srcB * srcA) / 255;
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 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4043 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4044 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4045 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
4046 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
4047 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
4048 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4049 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4050 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
4051 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
4052 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
4053 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4054 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4055 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
4056 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4057 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4058 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4059 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4060 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4061 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
4062 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4063 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4064
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4065 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
4066 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4067 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
4068 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
4069 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
4070 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
4071 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
4072 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4073 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
4074
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4075 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4076 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
4077 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
4078 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
4079 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4080 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4081 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
4082 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
4083 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4084 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4085 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4086 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4087 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
4088 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4089 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4090 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
4091 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4092 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4093 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4094 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4095 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
4096 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
4097 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4098 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4099
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4100 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
4101 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4102 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
4103 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
4104 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
4105 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
4106 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
4107 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4108 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
4109 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4110 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4111 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4112
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4113 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4114 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4115 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
4116 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
4117
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4118 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4119 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4120 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
4121 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
4122 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4123 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4124 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4125 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4126 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4127 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4128 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4129 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4130 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4131 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4132 posx -= 0x10000L;
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 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
4135 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4136 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4137 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
4138 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
4139 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4140 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4141 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4142 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4143 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
4144 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4145 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4146 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
4147 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4148 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4149 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4150 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4151 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4152 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
4153 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4154 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4155
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4156 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
4157 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4158 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
4159 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
4160 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
4161 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
4162 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
4163 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4164 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
4165 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4166 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
4167
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4168 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4169 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
4170 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
4171 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
4172 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4173 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4174 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
4175 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4176 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
4177 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
4178 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4179 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4180 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4181 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4182 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
4183 srcA = (srcA * modulateA) / 255;
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 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
4186 /* 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
4187 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4188 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4189 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4190 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4191 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4192 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4193 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4194 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4195 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
4196 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
4197 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
4198 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4199 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4200 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
4201 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
4202 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
4203 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4204 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4205 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
4206 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4207 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4208 ++dst;
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 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
4211 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
4212 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4213 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4214
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4215 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
4216 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4217 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
4218 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
4219 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
4220 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
4221 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
4222 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4223 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
4224 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4225 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
4226 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4227 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4228 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4229
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4230 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4231 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4232 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
4233 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
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;
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 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4240 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4241 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4242 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4243 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4244 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4245 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4246 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4247 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4248 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4249 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4250 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4251 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
4252 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4253 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4254 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
4255 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4256 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
4257 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
4258 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4259 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4260 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4261 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4262 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
4263 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4264 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4265 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
4266 /* 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
4267 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4268 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4269 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4270 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4271 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4272 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4273 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4274 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4275 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
4276 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
4277 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
4278 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4279 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4280 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
4281 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
4282 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
4283 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4284 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4285 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
4286 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4287 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4288 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4289 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4290 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4291 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
4292 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4293 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4294
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4295 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
4296 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4297 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4298 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4299 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4300 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4301 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4302 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4303
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4304 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4305 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4306 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
4307 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
4308
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4309 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4310 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4311 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4312 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4313 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4314 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4315 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4316 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4317 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4318 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4319 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4320 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4321 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4322 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4323 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4324 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4325 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
4326 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4327 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4328 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
4329 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
4330 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4331 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4332 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4333 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4334 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4335 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4336 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4337 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4338
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4339 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
4340 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4341 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4342 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4343 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4344 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4345 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4346
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4347 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4348 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4349 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4350 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4351 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4352 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4353 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
4354 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4355 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
4356 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
4357 /* 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
4358 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4359 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4360 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4361 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4362 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4363 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4364 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4365 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4366 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
4367 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
4368 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
4369 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4370 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4371 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
4372 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
4373 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
4374 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4375 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4376 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
4377 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4378 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4379 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4380 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4381 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4382 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4383 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4384 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4385
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4386 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
4387 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4388 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4389 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4390 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4391 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4392 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4393 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4394 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4395 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4396
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4397 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4398 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4399 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
4400 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
4401
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4402 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4403 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4404 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4405 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4406 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4407 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4408 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4409 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4410 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4411 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4412 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4413 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4414 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4415 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4416 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4417 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4418 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
4419 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4420 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4421 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
4422 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4423 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
4424 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
4425 /* 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
4426 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4427 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4428 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4429 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4430 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4431 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4432 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4433 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4434 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
4435 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
4436 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
4437 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4438 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4439 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
4440 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
4441 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
4442 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4443 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4444 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
4445 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4446 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4447 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4448 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4449 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4450 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4451 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4452 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4453
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4454 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
4455 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4456 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4457 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4458 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4459 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4460 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4461 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4462 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4463
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4464 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4465 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4466 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4467 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4468 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4469 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4470 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
4471 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
4472 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4473 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4474 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4475 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4476 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
4477 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4478 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4479 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
4480 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4481 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4482 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4483 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4484 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4485 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4486 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4487 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4488
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4489 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
4490 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4491 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4492 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4493 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4494 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4495 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4496 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4497 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4498 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4499 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4500 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4501
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4502 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4503 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4504 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
4505 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
4506
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4507 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4508 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4509 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4510 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4511 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4512 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4513 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4514 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4515 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4516 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4517 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4518 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4519 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4520 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4521 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4522 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4523 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
4524 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4525 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4526 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
4527 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
4528 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4529 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4530 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4531 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4532 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
4533 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4534 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4535 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
4536 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4537 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4538 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4539 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4540 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4541 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4542 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4543 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4544
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4545 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
4546 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4547 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4548 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4549 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4550 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4551 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4552 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4553 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4554 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4555 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4556
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4557 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4558 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4559 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4560 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4561 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4562 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4563 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
4564 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4565 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
4566 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
4567 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4568 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4569 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4570 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4571 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
4572 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4573 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4574 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
4575 /* 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
4576 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4577 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4578 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4579 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4580 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4581 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4582 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4583 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4584 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
4585 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
4586 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
4587 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4588 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4589 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
4590 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
4591 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
4592 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4593 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4594 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
4595 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4596 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4597 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4598 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4599 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4600 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4601 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4602 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4603
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4604 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
4605 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4606 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4607 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4608 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4609 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4610 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4611 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4612 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4613 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4614 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4615 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4616 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4617 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4618
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4619 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4620 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4621 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
4622 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
4623
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4624 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4625 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4626 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4627 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4628 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4629 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4630 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4631 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4632 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4633 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4634 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4635 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4636 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4637 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4638 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4639 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4640 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
4641 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4642 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4643 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
4644 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4645 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
4646 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
4647 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4648 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4649 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4650 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4651 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
4652 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4653 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4654 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
4655 /* 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
4656 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4657 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4658 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4659 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4660 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4661 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4662 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4663 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4664 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
4665 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
4666 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
4667 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4668 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4669 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
4670 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
4671 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
4672 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4673 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4674 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
4675 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4676 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4677 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4678 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4679 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4680 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4681 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4682 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
4683
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4684 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
4685 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4686 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
4687 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4688 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
4689 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4690 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4691 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4692
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4693 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4694 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4695 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
4696 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
4697
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4698 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4699 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4700 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
4701 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
4702 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4703 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4704 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4705 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4706 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4707 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4708 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4709 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4710 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4711 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4712 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4713 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4714 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
4715 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4716 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4717 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
4718 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
4719 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4720 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4721 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4722 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4723 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4724 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
4725 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4726 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4727
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4728 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
4729 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4730 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
4731 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4732 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
4733 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4734 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
4735
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4736 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4737 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
4738 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
4739 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
4740 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4741 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4742 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
4743 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4744 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
4745 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
4746 /* 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
4747 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4748 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4749 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4750 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4751 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4752 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4753 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4754 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4755 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
4756 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
4757 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
4758 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4759 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4760 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
4761 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
4762 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
4763 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4764 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4765 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
4766 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4767 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4768 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4769 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4770 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
4771 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
4772 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4773 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4774
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4775 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
4776 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4777 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
4778 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4779 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
4780 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4781 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
4782 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4783 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4784 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4785
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4786 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4787 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4788 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
4789 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
4790
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4791 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4792 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4793 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
4794 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
4795 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4796 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4797 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4798 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4799 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4800 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4801 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4802 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4803 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4804 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4805 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4806 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4807 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
4808 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4809 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4810 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
4811 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4812 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
4813 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
4814 /* 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
4815 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4816 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4817 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4818 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4819 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4820 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4821 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4822 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4823 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
4824 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
4825 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
4826 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4827 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4828 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
4829 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
4830 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
4831 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4832 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4833 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
4834 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4835 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4836 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4837 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4838 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4839 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
4840 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4841 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4842
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4843 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
4844 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4845 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
4846 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
4847 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
4848 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
4849 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
4850 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4851 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
4852
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4853 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4854 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
4855 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
4856 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
4857 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4858 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4859 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
4860 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
4861 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4862 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4863 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4864 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4865 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
4866 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4867 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4868 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
4869 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4870 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4871 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4872 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4873 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
4874 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
4875 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4876 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4877
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4878 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
4879 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4880 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
4881 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
4882 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
4883 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
4884 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
4885 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4886 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
4887 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4888 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4889 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4890
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4891 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4892 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4893 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
4894 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
4895
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4896 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4897 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4898 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
4899 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
4900 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4901 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4902 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4903 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4904 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4905 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4906 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4907 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4908 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4909 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4910 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4911 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4912 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
4913 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4914 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4915 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
4916 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
4917 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4918 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4919 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4920 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4921 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
4922 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4923 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4924 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
4925 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4926 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4927 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4928 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4929 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4930 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
4931 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4932 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4933
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4934 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
4935 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4936 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
4937 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
4938 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
4939 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
4940 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
4941 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4942 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
4943 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4944 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
4945
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4946 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4947 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
4948 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
4949 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
4950 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4951 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4952 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
4953 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4954 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
4955 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
4956 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4957 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4958 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4959 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4960 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
4961 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4962 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4963 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
4964 /* 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
4965 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4966 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4967 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4968 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4969 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4970 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
4971 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4972 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4973 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
4974 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
4975 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
4976 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4977 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4978 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
4979 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
4980 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
4981 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4982 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4983 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
4984 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4985 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4986 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4987 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4988 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
4989 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
4990 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4991 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4992
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
4993 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
4994 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4995 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
4996 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
4997 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
4998 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
4999 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
5000 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5001 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
5002 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5003 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
5004 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5005 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5006 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5007
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5008 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5009 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5010 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
5011 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
5012
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5013 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5014 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5015 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
5016 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
5017 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5018 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5019 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5020 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5021 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5022 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5023 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5024 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5025 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5026 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5027 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5028 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5029 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
5030 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5031 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5032 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
5033 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5034 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
5035 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
5036 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5037 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5038 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5039 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5040 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
5041 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5042 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5043 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
5044 /* 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
5045 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5046 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5047 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5048 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5049 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5050 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5051 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5052 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5053 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
5054 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
5055 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
5056 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5057 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5058 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
5059 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
5060 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
5061 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5062 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5063 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
5064 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5065 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5066 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5067 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5068 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5069 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
5070 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5071 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5072
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5073 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
5074 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5075 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
5076 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5077 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
5078 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5079 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5080 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5081
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5082 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5083 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5084 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
5085 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
5086
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5087 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5088 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5089 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
5090 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
5091 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5092 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5093 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5094 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5095 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5096 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5097 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5098 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5099 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5100 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5101 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5102 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5103 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
5104 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5105 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5106 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
5107 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
5108 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5109 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5110 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5111 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5112 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5113 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
5114 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5115 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5116
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5117 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
5118 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5119 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
5120 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5121 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
5122 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5123 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
5124
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5125 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5126 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
5127 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
5128 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
5129 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5130 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5131 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
5132 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5133 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
5134 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
5135 /* 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
5136 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5137 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5138 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5139 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5140 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5141 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5142 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5143 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5144 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
5145 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
5146 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
5147 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5148 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5149 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
5150 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
5151 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
5152 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5153 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5154 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
5155 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5156 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5157 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5158 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5159 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
5160 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
5161 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5162 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5163
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5164 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
5165 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5166 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
5167 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5168 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
5169 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5170 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
5171 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5172 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5173 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5174
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5175 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5176 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5177 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
5178 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
5179
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5180 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5181 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5182 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
5183 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
5184 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5185 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5186 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5187 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5188 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5189 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5190 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5191 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5192 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5193 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5194 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5195 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5196 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
5197 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5198 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5199 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
5200 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5201 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
5202 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
5203 /* 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
5204 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5205 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5206 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5207 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5208 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5209 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5210 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5211 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5212 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
5213 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
5214 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
5215 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5216 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5217 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
5218 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
5219 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
5220 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5221 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5222 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
5223 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5224 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5225 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5226 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5227 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5228 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
5229 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5230 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5231
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5232 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
5233 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5234 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
5235 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
5236 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
5237 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
5238 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
5239 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5240 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
5241
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5242 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5243 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
5244 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
5245 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
5246 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5247 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5248 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
5249 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
5250 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5251 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5252 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5253 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5254 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
5255 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5256 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5257 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
5258 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5259 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5260 ++dst;
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 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
5263 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
5264 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5265 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5266
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5267 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
5268 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5269 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
5270 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
5271 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
5272 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
5273 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
5274 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5275 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
5276 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5277 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5278 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5279
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5280 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5281 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5282 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
5283 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
5284
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5285 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5286 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5287 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
5288 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
5289 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5290 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5291 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5292 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5293 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5294 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5295 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5296 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5297 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5298 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5299 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5300 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5301 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
5302 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5303 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5304 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
5305 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
5306 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5307 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5308 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5309 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5310 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
5311 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5312 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5313 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
5314 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5315 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5316 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5317 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5318 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5319 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
5320 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5321 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5322
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5323 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
5324 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5325 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
5326 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
5327 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
5328 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
5329 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
5330 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5331 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
5332 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5333 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
5334
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5335 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5336 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
5337 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
5338 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
5339 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5340 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5341 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
5342 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5343 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
5344 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
5345 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5346 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5347 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5348 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5349 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
5350 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5351 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5352 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
5353 /* 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
5354 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5355 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5356 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5357 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5358 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5359 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5360 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5361 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5362 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
5363 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
5364 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
5365 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5366 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5367 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
5368 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
5369 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
5370 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5371 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5372 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
5373 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5374 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5375 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5376 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5377 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
5378 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
5379 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5380 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5381
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5382 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
5383 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5384 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
5385 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
5386 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
5387 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
5388 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
5389 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5390 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
5391 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5392 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
5393 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5394 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5395 int incy, incx;
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 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5398 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5399 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
5400 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
5401
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5402 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5403 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5404 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
5405 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
5406 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5407 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5408 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5409 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5410 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5411 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5412 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5413 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5414 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5415 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5416 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5417 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5418 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
5419 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5420 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5421 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
5422 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5423 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
5424 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
5425 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5426 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5427 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5428 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5429 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
5430 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5431 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5432 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
5433 /* 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
5434 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5435 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5436 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5437 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5438 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5439 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5440 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5441 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5442 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
5443 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
5444 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
5445 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5446 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5447 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
5448 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
5449 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
5450 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5451 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5452 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
5453 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5454 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5455 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5456 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5457 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5458 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
5459 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5460 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5461
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5462 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
5463 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5464 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5465 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5466 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5467 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5468 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5469 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5470
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5471 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5472 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5473 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
5474 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
5475
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5476 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5477 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5478 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5479 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5480 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5481 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5482 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5483 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5484 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5485 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5486 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5487 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5488 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5489 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5490 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5491 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5492 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
5493 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5494 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5495 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
5496 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
5497 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5498 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5499 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5500 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5501 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5502 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5503 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5504 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5505
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5506 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
5507 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5508 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5509 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5510 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5511 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5512 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5513
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5514 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5515 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5516 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5517 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5518 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5519 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5520 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
5521 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5522 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
5523 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
5524 /* 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
5525 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5526 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5527 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5528 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5529 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5530 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5531 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5532 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5533 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
5534 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
5535 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
5536 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5537 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5538 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
5539 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
5540 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
5541 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5542 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5543 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
5544 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5545 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5546 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5547 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5548 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5549 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5550 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5551 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5552
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5553 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
5554 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5555 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5556 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5557 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5558 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5559 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5560 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5561 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5562 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5563
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5564 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5565 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5566 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
5567 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
5568
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5569 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5570 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5571 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5572 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5573 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5574 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5575 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5576 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5577 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5578 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5579 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5580 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5581 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5582 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5583 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5584 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5585 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
5586 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5587 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5588 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
5589 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5590 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
5591 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
5592 /* 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
5593 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5594 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5595 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5596 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5597 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5598 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5599 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5600 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5601 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
5602 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
5603 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
5604 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5605 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5606 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
5607 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
5608 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
5609 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5610 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5611 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
5612 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5613 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5614 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5615 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5616 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5617 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5618 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5619 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5620
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5621 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
5622 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5623 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5624 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5625 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5626 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5627 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5628 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5629 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5630
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5631 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5632 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5633 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5634 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5635 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5636 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5637 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
5638 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
5639 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5640 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5641 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5642 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5643 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
5644 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5645 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5646 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
5647 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5648 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5649 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5650 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5651 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5652 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5653 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5654 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5655
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5656 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
5657 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5658 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5659 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5660 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5661 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5662 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5663 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5664 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5665 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5666 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5667 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5668
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5669 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5670 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5671 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
5672 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
5673
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5674 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5675 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5676 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5677 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5678 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5679 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5680 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5681 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5682 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5683 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5684 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5685 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5686 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5687 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5688 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5689 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5690 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
5691 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5692 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5693 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
5694 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
5695 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5696 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5697 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5698 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5699 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
5700 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5701 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5702 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
5703 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5704 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5705 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5706 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5707 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5708 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5709 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5710 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5711
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5712 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
5713 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5714 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5715 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5716 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5717 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5718 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5719 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5720 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5721 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5722 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5723
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5724 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5725 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5726 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5727 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5728 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5729 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5730 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
5731 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5732 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
5733 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
5734 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5735 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5736 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5737 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5738 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
5739 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5740 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5741 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
5742 /* 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
5743 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5744 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5745 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5746 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5747 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5748 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5749 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5750 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5751 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
5752 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
5753 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
5754 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5755 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5756 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
5757 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
5758 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
5759 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5760 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5761 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
5762 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5763 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5764 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5765 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5766 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5767 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5768 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5769 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5770
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5771 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
5772 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5773 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5774 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5775 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5776 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5777 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5778 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5779 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5780 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5781 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5782 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5783 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5784 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5785
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5786 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5787 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5788 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
5789 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
5790
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5791 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5792 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5793 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5794 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5795 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5796 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5797 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5798 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5799 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5800 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5801 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5802 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5803 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5804 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5805 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5806 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5807 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
5808 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5809 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5810 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
5811 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5812 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
5813 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
5814 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5815 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5816 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5817 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5818 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
5819 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5820 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5821 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
5822 /* 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
5823 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5824 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5825 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5826 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5827 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5828 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5829 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5830 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5831 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
5832 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
5833 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
5834 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5835 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5836 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
5837 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
5838 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
5839 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5840 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5841 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
5842 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5843 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5844 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5845 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5846 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5847 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5848 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5849 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
5850
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5851 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
5852 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5853 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
5854 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5855 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
5856 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5857 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5858 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5859
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5860 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5861 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5862 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
5863 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
5864
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5865 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5866 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5867 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
5868 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
5869 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5870 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5871 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5872 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5873 posy -= 0x10000L;
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 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5876 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5877 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5878 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5879 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5880 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5881 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
5882 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5883 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5884 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
5885 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
5886 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5887 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5888 ++dst;
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 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5891 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
5892 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5893 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5894
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5895 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
5896 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5897 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
5898 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5899 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
5900 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5901 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
5902
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5903 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5904 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
5905 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
5906 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
5907 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5908 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5909 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
5910 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5911 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
5912 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
5913 /* 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
5914 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5915 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5916 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5917 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5918 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5919 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5920 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5921 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5922 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
5923 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
5924 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
5925 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5926 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5927 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
5928 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
5929 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
5930 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5931 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5932 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
5933 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5934 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5935 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5936 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5937 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
5938 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
5939 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5940 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5941
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
5942 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
5943 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5944 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
5945 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5946 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
5947 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5948 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
5949 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5950 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5951 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5952
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5953 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5954 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5955 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
5956 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
5957
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5958 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5959 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5960 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
5961 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
5962 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5963 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5964 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5965 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5966 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5967 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5968 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5969 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5970 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5971 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5972 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5974 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
5975 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5976 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5977 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
5978 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5979 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
5980 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
5981 /* 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
5982 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5983 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5984 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5985 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5986 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5987 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
5988 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5989 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5990 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
5991 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
5992 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
5993 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5994 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5995 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
5996 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
5997 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
5998 break;
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 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
6001 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6002 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6003 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6004 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6005 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6006 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
6007 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6008 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6009
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6010 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
6011 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6012 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
6013 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
6014 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
6015 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
6016 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
6017 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6018 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
6019
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6020 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6021 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
6022 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
6023 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
6024 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6025 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6026 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
6027 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
6028 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6029 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6030 B = (B * modulateB) / 255;
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 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
6033 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6034 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6035 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
6036 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6037 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6038 ++dst;
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 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
6041 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
6042 }
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
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6045 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
6046 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6047 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
6048 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
6049 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
6050 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
6051 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
6052 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6053 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
6054 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6055 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6056 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6057
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6058 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6059 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6060 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
6061 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
6062
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6063 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6064 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6065 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
6066 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
6067 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6068 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6069 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6070 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6071 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6072 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6073 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6074 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6075 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6076 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6077 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6078 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6079 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
6080 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6081 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6082 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
6083 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
6084 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6085 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6086 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6087 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6088 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
6089 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6090 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6091 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
6092 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6093 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6094 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6095 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6096 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6097 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
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
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6101 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
6102 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6103 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
6104 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
6105 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
6106 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
6107 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
6108 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6109 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
6110 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6111 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
6112
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6113 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6114 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
6115 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
6116 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
6117 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6118 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6119 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
6120 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6121 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
6122 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
6123 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6124 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6125 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6126 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6127 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
6128 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6129 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6130 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
6131 /* 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
6132 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6133 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6134 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6135 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6136 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6137 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6138 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6139 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6140 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
6141 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
6142 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
6143 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6144 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6145 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
6146 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
6147 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
6148 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6149 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6150 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
6151 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6152 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6153 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6154 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6155 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
6156 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
6157 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6158 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6159
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6160 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
6161 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6162 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
6163 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
6164 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
6165 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
6166 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
6167 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6168 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
6169 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6170 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
6171 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6172 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6173 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6174
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6175 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6176 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6177 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
6178 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
6179
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6180 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6181 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6182 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
6183 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
6184 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6185 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6186 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6187 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6188 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6189 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6190 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6191 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6192 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6193 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6194 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6195 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6196 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
6197 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6198 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6199 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
6200 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6201 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
6202 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
6203 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6204 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6205 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6206 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6207 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
6208 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6209 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6210 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
6211 /* 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
6212 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6213 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6214 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6215 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6216 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6217 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6218 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6219 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6220 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
6221 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
6222 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
6223 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6224 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6225 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
6226 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
6227 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
6228 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6229 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6230 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
6231 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6232 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6233 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6234 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6235 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6236 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
6237 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6238 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6239
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6240 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
6241 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6242 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
6243 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6244 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
6245 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6246 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6247 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6248
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6249 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6250 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6251 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
6252 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
6253
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6254 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6255 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6256 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
6257 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
6258 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6259 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6260 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6261 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6262 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6263 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6264 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6265 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6266 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6267 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6268 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6269 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6270 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
6271 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6272 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6273 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
6274 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
6275 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6276 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6277 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6278 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6279 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6280 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
6281 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6282 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6283
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6284 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
6285 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6286 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
6287 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6288 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
6289 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6290 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
6291
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6292 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6293 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
6294 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
6295 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
6296 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6297 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6298 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
6299 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6300 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
6301 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
6302 /* 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
6303 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6304 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6305 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6306 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6307 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6308 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6309 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6310 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6311 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
6312 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
6313 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
6314 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6315 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6316 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
6317 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
6318 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
6319 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6320 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6321 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
6322 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6323 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6324 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6325 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6326 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
6327 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
6328 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6329 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6330
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6331 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
6332 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6333 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
6334 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6335 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
6336 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6337 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
6338 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6339 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6340 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6341
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6342 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6343 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6344 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
6345 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
6346
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6347 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6348 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6349 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
6350 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
6351 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6352 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6353 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6354 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6355 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6356 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6357 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6358 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6359 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6360 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6361 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6362 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6363 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
6364 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6365 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6366 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
6367 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6368 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
6369 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
6370 /* 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
6371 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6372 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6373 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6374 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6375 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6376 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6377 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6378 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6379 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
6380 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
6381 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
6382 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6383 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6384 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
6385 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
6386 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
6387 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6388 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6389 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
6390 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6391 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6392 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6393 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6394 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6395 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
6396 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6397 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6398
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6399 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
6400 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6401 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
6402 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
6403 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
6404 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
6405 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
6406 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6407 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
6408
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6409 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6410 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
6411 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
6412 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
6413 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6414 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6415 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
6416 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
6417 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6418 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6419 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6420 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6421 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
6422 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6423 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6424 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
6425 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6426 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6427 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6428 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6429 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
6430 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
6431 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6432 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6433
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6434 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
6435 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6436 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
6437 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
6438 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
6439 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
6440 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
6441 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6442 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
6443 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6444 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6445 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6446
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6447 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6448 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6449 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
6450 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
6451
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6452 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6453 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6454 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
6455 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
6456 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6457 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6458 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6459 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6460 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6461 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6462 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6463 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6464 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6465 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6466 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6467 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6468 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
6469 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6470 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6471 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
6472 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
6473 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6474 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6475 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6476 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6477 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
6478 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6479 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6480 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
6481 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6482 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6483 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6484 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6485 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6486 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
6487 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6488 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6489
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6490 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
6491 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6492 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
6493 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
6494 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
6495 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
6496 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
6497 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6498 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
6499 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6500 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
6501
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6502 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6503 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
6504 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
6505 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
6506 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6507 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6508 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
6509 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6510 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
6511 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
6512 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6513 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6514 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6515 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6516 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
6517 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6518 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6519 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
6520 /* 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
6521 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6522 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6523 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6524 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6525 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6526 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6527 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6528 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6529 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
6530 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
6531 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
6532 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6533 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6534 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
6535 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
6536 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
6537 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6538 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6539 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
6540 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6541 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6542 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6543 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6544 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
6545 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
6546 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6547 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6548
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
6549 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
6550 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6551 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
6552 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
6553 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
6554 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
6555 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
6556 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6557 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
6558 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6559 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
6560 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6561 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6562 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6563
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6564 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6565 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6566 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
6567 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
6568
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6569 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6570 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6571 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
6572 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
6573 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6574 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6575 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6576 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6577 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6578 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6579 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6580 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6581 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6582 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6583 posx -= 0x10000L;
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 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
6586 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6587 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6588 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
6589 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6590 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
6591 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
6592 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6593 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6594 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6595 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6596 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
6597 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6598 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6599 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
6600 /* 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
6601 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6602 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6603 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6604 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6605 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6606 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6607 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6608 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6609 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
6610 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
6611 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
6612 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6613 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6614 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
6615 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
6616 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
6617 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6618 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6619 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
6620 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6621 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6622 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6623 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6624 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6625 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
6626 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6627 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6628
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6629 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
6630 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6631 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6632 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6633 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6634 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6635 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6636 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6637
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6638 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6639 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6640 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
6641 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
6642
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6643 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6644 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6645 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6646 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6647 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6648 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6649 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6650 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6651 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6652 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6653 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6654 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6655 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6656 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6657 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6658 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6659 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
6660 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6661 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6662 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
6663 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
6664 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6665 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6666 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6667 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6668 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6669 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6670 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6671 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6672
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6673 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
6674 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6675 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6676 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6677 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6678 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6679 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6680
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6681 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6682 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6683 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6684 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6685 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6686 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6687 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
6688 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6689 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
6690 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
6691 /* 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
6692 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6693 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6694 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6695 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6696 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6697 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6698 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6699 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6700 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
6701 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
6702 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
6703 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6704 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6705 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
6706 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
6707 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
6708 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6709 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6710 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
6711 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6712 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6713 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6714 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6715 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6716 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6717 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6718 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6719
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6720 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
6721 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6722 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6723 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6724 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6725 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6726 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6727 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6728 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6729 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6730
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6731 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6732 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6733 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
6734 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
6735
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6736 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6737 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6738 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6739 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6740 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6741 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6742 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6743 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6744 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6745 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6746 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6747 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6748 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6749 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6750 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6751 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6752 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
6753 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6754 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6755 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
6756 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6757 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
6758 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
6759 /* 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
6760 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6761 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6762 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6763 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6764 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6765 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6766 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6767 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6768 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
6769 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
6770 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
6771 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6772 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6773 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
6774 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
6775 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
6776 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6777 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6778 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
6779 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6780 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6781 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6782 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6783 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6784 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6785 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6786 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6787
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6788 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
6789 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6790 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6791 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6792 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6793 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6794 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6795 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6796 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6797
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6798 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6799 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6800 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6801 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6802 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6803 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6804 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
6805 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
6806 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6807 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6808 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6809 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6810 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
6811 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6812 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6813 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
6814 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6815 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6816 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6817 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6818 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6819 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6820 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6821 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6822
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6823 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
6824 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6825 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6826 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6827 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6828 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6829 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6830 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6831 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6832 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6833 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6834 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6835
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6836 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6837 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6838 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
6839 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
6840
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6841 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6842 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6843 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6844 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6845 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6846 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6847 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6848 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6849 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6850 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6851 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6852 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6853 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6854 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6855 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6856 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6857 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
6858 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6859 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6860 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
6861 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
6862 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6863 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6864 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6865 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6866 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
6867 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6868 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6869 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
6870 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6871 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6872 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6873 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6874 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6875 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6876 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6877 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6878
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6879 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
6880 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6881 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6882 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6883 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6884 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6885 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6886 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6887 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6888 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6889 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6890
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6891 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6892 Uint32 *src = (Uint32 *)info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6893 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6894 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6895 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6896 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6897 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
6898 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6899 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
6900 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
6901 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6902 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6903 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6904 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6905 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
6906 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6907 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6908 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
6909 /* 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
6910 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6911 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6912 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6913 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6914 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6915 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6916 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6917 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6918 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
6919 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
6920 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
6921 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6922 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6923 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
6924 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
6925 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
6926 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6927 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6928 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
6929 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6930 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6931 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6932 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6933 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6934 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6935 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6936 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6937
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6938 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
6939 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6940 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6941 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6942 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6943 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6944 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6945 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6946 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6947 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6948 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6949 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6950 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6951 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6952
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6953 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6954 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6955 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
6956 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
6957
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6958 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6959 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6960 Uint32 *dst = (Uint32 *)info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6961 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6962 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6963 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6964 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6965 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6966 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6967 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6968 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6969 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6970 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6971 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6972 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6973 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6974 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
6975 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6976 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6977 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
6978 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6979 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
6980 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
6981 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6982 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6983 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6984 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6985 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
6986 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6987 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6988 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
6989 /* 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
6990 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6991 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6992 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6993 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6994 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6995 }
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
6996 switch (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6997 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
6998 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
6999 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
7000 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
7001 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7002 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7003 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
7004 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
7005 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
7006 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7007 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7008 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
7009 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7010 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7011 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7012 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7013 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7014 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7015 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7016 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7017
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2263
diff changeset
7018 SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[] = {
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7019 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7020 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7021 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7022 { 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
7023 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7024 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7025 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7026 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7027 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7028 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7029 { 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
7030 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7031 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7032 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7033 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7034 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7035 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7036 { 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
7037 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7038 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7039 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7040 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7041 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7042 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7043 { 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
7044 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7045 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7046 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7047 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7048 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7049 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7050 { 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
7051 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7052 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7053 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7054 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7055 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7056 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7057 { 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
7058 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7059 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7060 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7061 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7062 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7063 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7064 { 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
7065 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7066 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7067 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7068 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7069 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7070 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7071 { 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
7072 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7073 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7074 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7075 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7076 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7077 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7078 { 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
7079 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7080 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7081 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7082 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7083 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7084 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7085 { 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
7086 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7087 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7088 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7089 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7090 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7091 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7092 { 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
7093 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7094 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7095 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7096 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7097 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7098 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7099 { 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
7100 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7101 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7102 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7103 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7104 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7105 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7106 { 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
7107 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7108 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7109 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7110 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7111 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7112 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7113 { 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
7114 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7115 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7116 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7117 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7118 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7119 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7120 { 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
7121 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7122 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7123 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7124 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7125 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7126 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7127 { 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
7128 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7129 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7130 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7131 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7132 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7133 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend_Scale },
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7134 { 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
7135 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7136 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7137 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7138 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Scale },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7139 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7140 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend_Scale },
2800
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X)
Sam Lantinga <slouken@libsdl.org>
parents: 2267
diff changeset
7141 { 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
7142 { 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 },
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7143 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
7144 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND | SDL_COPY_ADD | 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
7145 { 0, 0, 0, 0, NULL }
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7146 };
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
7147
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7148 /* *INDENT-ON* */
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7149
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7150 /* vi: set ts=4 sw=4 expandtab: */