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annotate src/video/SDL_blit_A.c @ 1662:782fd950bd46 SDL-1.3

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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. WARNING: None of the video drivers have been updated for the new API yet! The API is still under design and very fluid. The code is now run through a consistent indent format: indent -i4 -nut -nsc -br -ce The headers are being converted to automatically generate doxygen documentation.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 28 May 2006 13:04:16 +0000
parents 14717b52abc0
children 4da1ee79c9af
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_video.h"
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25 #include "SDL_blit.h"
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26
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27 #if SDL_ASSEMBLY_ROUTINES
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28 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
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29 #define MMX_ASMBLIT 1
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30 #define GCC_ASMBLIT 1
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31 #elif defined(_MSC_VER) && (_MSC_VER >= 1200) && defined(_M_IX86)
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32 #define MMX_ASMBLIT 1
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33 #define MSVC_ASMBLIT 1
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34 #endif
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35 #endif /* SDL_ASSEMBLY_ROUTINES */
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36
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37 /* Function to check the CPU flags */
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38 #include "SDL_cpuinfo.h"
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39 #if GCC_ASMBLIT
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40 #include "mmx.h"
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41 #elif MSVC_ASMBLIT
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42 #include <mmintrin.h>
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43 #include <mm3dnow.h>
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44 #endif
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45
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46 /* Functions to perform alpha blended blitting */
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47
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48 /* N->1 blending with per-surface alpha */
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49 static void
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50 BlitNto1SurfaceAlpha (SDL_BlitInfo * info)
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51 {
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52 int width = info->d_width;
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53 int height = info->d_height;
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54 Uint8 *src = info->s_pixels;
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55 int srcskip = info->s_skip;
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56 Uint8 *dst = info->d_pixels;
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57 int dstskip = info->d_skip;
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58 Uint8 *palmap = info->table;
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59 SDL_PixelFormat *srcfmt = info->src;
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60 SDL_PixelFormat *dstfmt = info->dst;
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61 int srcbpp = srcfmt->BytesPerPixel;
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62
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63 const unsigned A = srcfmt->alpha;
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64
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65 while (height--) {
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66 /* *INDENT-OFF* */
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67 DUFFS_LOOP4(
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68 {
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69 Uint32 Pixel;
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70 unsigned sR;
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71 unsigned sG;
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72 unsigned sB;
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73 unsigned dR;
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74 unsigned dG;
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75 unsigned dB;
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76 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB);
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77 dR = dstfmt->palette->colors[*dst].r;
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78 dG = dstfmt->palette->colors[*dst].g;
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79 dB = dstfmt->palette->colors[*dst].b;
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80 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB);
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81 dR &= 0xff;
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82 dG &= 0xff;
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83 dB &= 0xff;
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84 /* Pack RGB into 8bit pixel */
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85 if ( palmap == NULL ) {
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86 *dst =((dR>>5)<<(3+2))|
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87 ((dG>>5)<<(2))|
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88 ((dB>>6)<<(0));
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89 } else {
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90 *dst = palmap[((dR>>5)<<(3+2))|
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91 ((dG>>5)<<(2)) |
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92 ((dB>>6)<<(0))];
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93 }
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94 dst++;
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95 src += srcbpp;
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96 },
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97 width);
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98 /* *INDENT-ON* */
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99 src += srcskip;
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100 dst += dstskip;
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101 }
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102 }
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103
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104 /* N->1 blending with pixel alpha */
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105 static void
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106 BlitNto1PixelAlpha (SDL_BlitInfo * info)
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107 {
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108 int width = info->d_width;
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109 int height = info->d_height;
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110 Uint8 *src = info->s_pixels;
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111 int srcskip = info->s_skip;
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112 Uint8 *dst = info->d_pixels;
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113 int dstskip = info->d_skip;
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114 Uint8 *palmap = info->table;
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115 SDL_PixelFormat *srcfmt = info->src;
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116 SDL_PixelFormat *dstfmt = info->dst;
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117 int srcbpp = srcfmt->BytesPerPixel;
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118
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119 /* FIXME: fix alpha bit field expansion here too? */
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120 while (height--) {
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121 /* *INDENT-OFF* */
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122 DUFFS_LOOP4(
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123 {
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124 Uint32 Pixel;
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125 unsigned sR;
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126 unsigned sG;
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127 unsigned sB;
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128 unsigned sA;
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129 unsigned dR;
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130 unsigned dG;
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131 unsigned dB;
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132 DISEMBLE_RGBA(src,srcbpp,srcfmt,Pixel,sR,sG,sB,sA);
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133 dR = dstfmt->palette->colors[*dst].r;
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134 dG = dstfmt->palette->colors[*dst].g;
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135 dB = dstfmt->palette->colors[*dst].b;
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136 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB);
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137 dR &= 0xff;
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138 dG &= 0xff;
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139 dB &= 0xff;
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140 /* Pack RGB into 8bit pixel */
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141 if ( palmap == NULL ) {
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142 *dst =((dR>>5)<<(3+2))|
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143 ((dG>>5)<<(2))|
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144 ((dB>>6)<<(0));
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145 } else {
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146 *dst = palmap[((dR>>5)<<(3+2))|
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147 ((dG>>5)<<(2)) |
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148 ((dB>>6)<<(0)) ];
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149 }
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150 dst++;
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151 src += srcbpp;
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152 },
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153 width);
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154 /* *INDENT-ON* */
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155 src += srcskip;
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156 dst += dstskip;
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157 }
0
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158 }
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159
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160 /* colorkeyed N->1 blending with per-surface alpha */
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161 static void
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162 BlitNto1SurfaceAlphaKey (SDL_BlitInfo * info)
0
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163 {
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164 int width = info->d_width;
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165 int height = info->d_height;
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166 Uint8 *src = info->s_pixels;
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167 int srcskip = info->s_skip;
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168 Uint8 *dst = info->d_pixels;
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169 int dstskip = info->d_skip;
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170 Uint8 *palmap = info->table;
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171 SDL_PixelFormat *srcfmt = info->src;
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172 SDL_PixelFormat *dstfmt = info->dst;
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173 int srcbpp = srcfmt->BytesPerPixel;
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174 Uint32 ckey = srcfmt->colorkey;
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175
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176 const int A = srcfmt->alpha;
0
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177
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178 while (height--) {
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179 /* *INDENT-OFF* */
0
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180 DUFFS_LOOP(
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181 {
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182 Uint32 Pixel;
0
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183 unsigned sR;
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184 unsigned sG;
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185 unsigned sB;
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186 unsigned dR;
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187 unsigned dG;
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188 unsigned dB;
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189 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB);
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190 if ( Pixel != ckey ) {
0
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191 dR = dstfmt->palette->colors[*dst].r;
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192 dG = dstfmt->palette->colors[*dst].g;
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193 dB = dstfmt->palette->colors[*dst].b;
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194 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB);
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195 dR &= 0xff;
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196 dG &= 0xff;
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197 dB &= 0xff;
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198 /* Pack RGB into 8bit pixel */
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199 if ( palmap == NULL ) {
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200 *dst =((dR>>5)<<(3+2))|
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201 ((dG>>5)<<(2)) |
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202 ((dB>>6)<<(0));
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203 } else {
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204 *dst = palmap[((dR>>5)<<(3+2))|
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205 ((dG>>5)<<(2)) |
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206 ((dB>>6)<<(0)) ];
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207 }
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208 }
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209 dst++;
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210 src += srcbpp;
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211 },
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212 width);
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213 /* *INDENT-ON* */
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214 src += srcskip;
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215 dst += dstskip;
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216 }
0
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217 }
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218
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219 #if GCC_ASMBLIT
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220 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */
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221 static void
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222 BlitRGBtoRGBSurfaceAlpha128MMX (SDL_BlitInfo * info)
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223 {
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224 int width = info->d_width;
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225 int height = info->d_height;
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226 Uint32 *srcp = (Uint32 *) info->s_pixels;
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227 int srcskip = info->s_skip >> 2;
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228 Uint32 *dstp = (Uint32 *) info->d_pixels;
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229 int dstskip = info->d_skip >> 2;
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230 Uint32 dalpha = info->dst->Amask;
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231 Uint8 load[8];
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232
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233 *(Uint64 *) load = 0x00fefefe00fefefeULL; /* alpha128 mask */
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234 movq_m2r (*load, mm4); /* alpha128 mask -> mm4 */
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235 *(Uint64 *) load = 0x0001010100010101ULL; /* !alpha128 mask */
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236 movq_m2r (*load, mm3); /* !alpha128 mask -> mm3 */
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237 movd_m2r (dalpha, mm7); /* dst alpha mask */
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238 punpckldq_r2r (mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */
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239 while (height--) {
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240 /* *INDENT-OFF* */
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241 DUFFS_LOOP_DOUBLE2(
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242 {
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243 Uint32 s = *srcp++;
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244 Uint32 d = *dstp;
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245 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1)
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246 + (s & d & 0x00010101)) | dalpha;
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247 },{
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248 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */
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249 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */
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250
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251 movq_m2r((*srcp), mm1);/* 2 x src -> mm1(ARGBARGB) */
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252 movq_r2r(mm1, mm5); /* 2 x src -> mm5(ARGBARGB) */
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253
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254 pand_r2r(mm4, mm6); /* dst & mask -> mm6 */
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255 pand_r2r(mm4, mm5); /* src & mask -> mm5 */
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256 paddd_r2r(mm6, mm5); /* mm6 + mm5 -> mm5 */
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257 pand_r2r(mm1, mm2); /* src & dst -> mm2 */
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258 psrld_i2r(1, mm5); /* mm5 >> 1 -> mm5 */
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259 pand_r2r(mm3, mm2); /* mm2 & !mask -> mm2 */
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260 paddd_r2r(mm5, mm2); /* mm5 + mm2 -> mm2 */
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261
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262 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */
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263 movq_r2m(mm2, (*dstp));/* mm2 -> 2 x dst pixels */
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264 dstp += 2;
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265 srcp += 2;
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266 }, width);
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267 /* *INDENT-ON* */
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268 srcp += srcskip;
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269 dstp += dstskip;
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270 }
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271 emms ();
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272 }
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273
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274 /* fast RGB888->(A)RGB888 blending with surface alpha */
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275 static void
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276 BlitRGBtoRGBSurfaceAlphaMMX (SDL_BlitInfo * info)
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277 {
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278 SDL_PixelFormat *df = info->dst;
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279 unsigned alpha = info->src->alpha;
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280
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281 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) {
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282 /* only call a128 version when R,G,B occupy lower bits */
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283 BlitRGBtoRGBSurfaceAlpha128MMX (info);
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284 } else {
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285 int width = info->d_width;
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286 int height = info->d_height;
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287 Uint32 *srcp = (Uint32 *) info->s_pixels;
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288 int srcskip = info->s_skip >> 2;
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289 Uint32 *dstp = (Uint32 *) info->d_pixels;
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290 int dstskip = info->d_skip >> 2;
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291
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292 pxor_r2r (mm5, mm5); /* 0 -> mm5 */
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293 /* form the alpha mult */
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294 movd_m2r (alpha, mm4); /* 0000000A -> mm4 */
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295 punpcklwd_r2r (mm4, mm4); /* 00000A0A -> mm4 */
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296 punpckldq_r2r (mm4, mm4); /* 0A0A0A0A -> mm4 */
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297 alpha =
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298 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df->
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299 Bshift);
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300 movd_m2r (alpha, mm0); /* 00000FFF -> mm0 */
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301 punpcklbw_r2r (mm0, mm0); /* 00FFFFFF -> mm0 */
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302 pand_r2r (mm0, mm4); /* 0A0A0A0A -> mm4, minus 1 chan */
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303 /* at this point mm4 can be 000A0A0A or 0A0A0A00 or another combo */
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304 movd_m2r (df->Amask, mm7); /* dst alpha mask */
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305 punpckldq_r2r (mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */
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306
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307 while (height--) {
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308 /* *INDENT-OFF* */
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309 DUFFS_LOOP_DOUBLE2({
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310 /* One Pixel Blend */
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311 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/
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312 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/
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313 punpcklbw_r2r(mm5, mm1); /* 0A0R0G0B -> mm1(src) */
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314 punpcklbw_r2r(mm5, mm2); /* 0A0R0G0B -> mm2(dst) */
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315
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316 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */
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317 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */
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318 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */
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319 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */
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320
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321 packuswb_r2r(mm5, mm2); /* ARGBARGB -> mm2 */
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322 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */
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323 movd_r2m(mm2, *dstp);/* mm2 -> pixel */
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324 ++srcp;
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325 ++dstp;
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326 },{
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327 /* Two Pixels Blend */
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328 movq_m2r((*srcp), mm0);/* 2 x src -> mm0(ARGBARGB)*/
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329 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */
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330 movq_r2r(mm0, mm1); /* 2 x src -> mm1(ARGBARGB) */
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331 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */
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332
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333 punpcklbw_r2r(mm5, mm0); /* low - 0A0R0G0B -> mm0(src1) */
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334 punpckhbw_r2r(mm5, mm1); /* high - 0A0R0G0B -> mm1(src2) */
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335 punpcklbw_r2r(mm5, mm2); /* low - 0A0R0G0B -> mm2(dst1) */
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336 punpckhbw_r2r(mm5, mm6); /* high - 0A0R0G0B -> mm6(dst2) */
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337
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338 psubw_r2r(mm2, mm0);/* src1 - dst1 -> mm0 */
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339 pmullw_r2r(mm4, mm0); /* mm0 * alpha -> mm0 */
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340 psrlw_i2r(8, mm0); /* mm0 >> 8 -> mm1 */
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341 paddb_r2r(mm0, mm2); /* mm0 + mm2(dst1) -> mm2 */
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342
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343 psubw_r2r(mm6, mm1);/* src2 - dst2 -> mm1 */
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344 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */
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345 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */
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346 paddb_r2r(mm1, mm6); /* mm1 + mm6(dst2) -> mm6 */
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347
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348 packuswb_r2r(mm6, mm2); /* ARGBARGB -> mm2 */
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349 por_r2r(mm7, mm2); /* mm7(dst alpha) | mm2 -> mm2 */
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350
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351 movq_r2m(mm2, *dstp);/* mm2 -> 2 x pixel */
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352
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353 srcp += 2;
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354 dstp += 2;
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355 }, width);
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356 /* *INDENT-ON* */
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357 srcp += srcskip;
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358 dstp += dstskip;
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359 }
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360 emms ();
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361 }
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362 }
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363
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364 /* fast ARGB888->(A)RGB888 blending with pixel alpha */
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365 static void
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366 BlitRGBtoRGBPixelAlphaMMX (SDL_BlitInfo * info)
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367 {
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368 int width = info->d_width;
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369 int height = info->d_height;
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370 Uint32 *srcp = (Uint32 *) info->s_pixels;
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371 int srcskip = info->s_skip >> 2;
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372 Uint32 *dstp = (Uint32 *) info->d_pixels;
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373 int dstskip = info->d_skip >> 2;
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374 SDL_PixelFormat *sf = info->src;
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375 Uint32 amask = sf->Amask;
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376
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377 pxor_r2r (mm6, mm6); /* 0 -> mm6 */
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378 /* form multiplication mask */
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379 movd_m2r (sf->Amask, mm7); /* 0000F000 -> mm7 */
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diff changeset
380 punpcklbw_r2r (mm7, mm7); /* FF000000 -> mm7 */
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381 pcmpeqb_r2r (mm0, mm0); /* FFFFFFFF -> mm0 */
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382 movq_r2r (mm0, mm3); /* FFFFFFFF -> mm3 (for later) */
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383 pxor_r2r (mm0, mm7); /* 00FFFFFF -> mm7 (mult mask) */
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384 /* form channel masks */
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385 movq_r2r (mm7, mm0); /* 00FFFFFF -> mm0 */
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diff changeset
386 packsswb_r2r (mm6, mm0); /* 00000FFF -> mm0 (channel mask) */
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387 packsswb_r2r (mm6, mm3); /* 0000FFFF -> mm3 */
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388 pxor_r2r (mm0, mm3); /* 0000F000 -> mm3 (~channel mask) */
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389 /* get alpha channel shift */
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390 movd_m2r (sf->Ashift, mm5); /* Ashift -> mm5 */
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391
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diff changeset
392 while (height--) {
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diff changeset
393 /* *INDENT-OFF* */
689
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diff changeset
394 DUFFS_LOOP4({
1542
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diff changeset
395 Uint32 alpha = *srcp & amask;
689
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diff changeset
396 /* FIXME: Here we special-case opaque alpha since the
1542
a8bf1aa21020 Fixed bug #15
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diff changeset
397 compositioning used (>>8 instead of /255) doesn't handle
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
398 it correctly. Also special-case alpha=0 for speed?
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
399 Benchmark this! */
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
400 if(alpha == 0) {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
401 /* do nothing */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
402 } else if(alpha == amask) {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
403 /* opaque alpha -- copy RGB, keep dst alpha */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
404 /* using MMX here to free up regular registers for other things */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
405 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
406 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
407 pand_r2r(mm0, mm1); /* src & chanmask -> mm1 */
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
408 pand_r2r(mm3, mm2); /* dst & ~chanmask -> mm2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
409 por_r2r(mm1, mm2); /* src | dst -> mm2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
410 movd_r2m(mm2, (*dstp)); /* mm2 -> dst */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
411 } else {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
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diff changeset
412 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
413 punpcklbw_r2r(mm6, mm1); /* 0A0R0G0B -> mm1 */
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
414
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
415 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
416 punpcklbw_r2r(mm6, mm2); /* 0A0R0G0B -> mm2 */
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
417
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
418 __asm__ __volatile__ (
a8bf1aa21020 Fixed bug #15
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diff changeset
419 "movd %0, %%mm4"
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
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diff changeset
420 : : "r" (alpha) ); /* 0000A000 -> mm4 */
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
421 psrld_r2r(mm5, mm4); /* mm4 >> mm5 -> mm4 (0000000A) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
422 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
423 punpcklwd_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
424 pand_r2r(mm7, mm4); /* 000A0A0A -> mm4, preserve dst alpha on add */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
425
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
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diff changeset
426 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
427 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
428 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
429 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1(000R0G0B) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
430 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
431
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
432 packuswb_r2r(mm6, mm2); /* 0000ARGB -> mm2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
433 movd_r2m(mm2, *dstp);/* mm2 -> dst */
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434 }
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diff changeset
435 ++srcp;
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diff changeset
436 ++dstp;
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diff changeset
437 }, width);
1662
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diff changeset
438 /* *INDENT-ON* */
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diff changeset
439 srcp += srcskip;
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diff changeset
440 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
441 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
442 emms ();
689
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443 }
1662
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diff changeset
444
1542
a8bf1aa21020 Fixed bug #15
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diff changeset
445 /* End GCC_ASMBLIT */
a8bf1aa21020 Fixed bug #15
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diff changeset
446
a8bf1aa21020 Fixed bug #15
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parents: 1487
diff changeset
447 #elif MSVC_ASMBLIT
a8bf1aa21020 Fixed bug #15
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diff changeset
448 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
449 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
450 BlitRGBtoRGBSurfaceAlpha128MMX (SDL_BlitInfo * info)
1542
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diff changeset
451 {
1662
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diff changeset
452 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
453 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
454 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
455 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
456 Uint32 *dstp = (Uint32 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
457 int dstskip = info->d_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
458 Uint32 dalpha = info->dst->Amask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
459
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
460 __m64 src1, src2, dst1, dst2, lmask, hmask, dsta;
1542
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diff changeset
461
1662
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diff changeset
462 hmask = _mm_set_pi32 (0x00fefefe, 0x00fefefe); /* alpha128 mask -> hmask */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
463 lmask = _mm_set_pi32 (0x00010101, 0x00010101); /* !alpha128 mask -> lmask */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
464 dsta = _mm_set_pi32 (dalpha, dalpha); /* dst alpha mask -> dsta */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
465
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
466 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
467 int n = width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
468 if (n & 1) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
469 Uint32 s = *srcp++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
470 Uint32 d = *dstp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
471 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
472 + (s & d & 0x00010101)) | dalpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
473 n--;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
474 }
1542
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diff changeset
475
1662
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diff changeset
476 for (n >>= 1; n > 0; --n) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
477 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
478 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */
1542
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
479
1662
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diff changeset
480 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
481 src2 = src1; /* 2 x src -> src2(ARGBARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
482
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
483 dst2 = _mm_and_si64 (dst2, hmask); /* dst & mask -> dst2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
484 src2 = _mm_and_si64 (src2, hmask); /* src & mask -> src2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
485 src2 = _mm_add_pi32 (src2, dst2); /* dst2 + src2 -> src2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
486 src2 = _mm_srli_pi32 (src2, 1); /* src2 >> 1 -> src2 */
1542
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Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
487
1662
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Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
488 dst1 = _mm_and_si64 (dst1, src1); /* src & dst -> dst1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
489 dst1 = _mm_and_si64 (dst1, lmask); /* dst1 & !mask -> dst1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
490 dst1 = _mm_add_pi32 (dst1, src2); /* src2 + dst1 -> dst1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
491 dst1 = _mm_or_si64 (dst1, dsta); /* dsta(full alpha) | dst1 -> dst1 */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
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diff changeset
492
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
493 *(__m64 *) dstp = dst1; /* dst1 -> 2 x dst pixels */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
494 dstp += 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
495 srcp += 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
496 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
497
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
498 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
499 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
500 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
501 _mm_empty ();
1542
a8bf1aa21020 Fixed bug #15
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diff changeset
502 }
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
503
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
504 /* fast RGB888->(A)RGB888 blending with surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
505 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
506 BlitRGBtoRGBSurfaceAlphaMMX (SDL_BlitInfo * info)
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
507 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
508 SDL_PixelFormat *df = info->dst;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
509 Uint32 chanmask = df->Rmask | df->Gmask | df->Bmask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
510 unsigned alpha = info->src->alpha;
1542
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Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
511
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
512 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
513 /* only call a128 version when R,G,B occupy lower bits */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
514 BlitRGBtoRGBSurfaceAlpha128MMX (info);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
515 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
516 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
517 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
518 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
519 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
520 Uint32 *dstp = (Uint32 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
521 int dstskip = info->d_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
522 Uint32 dalpha = df->Amask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
523 Uint32 amult;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
524
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
525 __m64 src1, src2, dst1, dst2, mm_alpha, mm_zero, dsta;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
526
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
527 mm_zero = _mm_setzero_si64 (); /* 0 -> mm_zero */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
528 /* form the alpha mult */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
529 amult = alpha | (alpha << 8);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
530 amult = amult | (amult << 16);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
531 chanmask =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
532 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df->
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
533 Bshift);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
534 mm_alpha = _mm_set_pi32 (0, amult & chanmask); /* 0000AAAA -> mm_alpha, minus 1 chan */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
535 mm_alpha = _mm_unpacklo_pi8 (mm_alpha, mm_zero); /* 0A0A0A0A -> mm_alpha, minus 1 chan */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
536 /* at this point mm_alpha can be 000A0A0A or 0A0A0A00 or another combo */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
537 dsta = _mm_set_pi32 (dalpha, dalpha); /* dst alpha mask -> dsta */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
538
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
539 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
540 int n = width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
541 if (n & 1) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
542 /* One Pixel Blend */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
543 src2 = _mm_cvtsi32_si64 (*srcp); /* src(ARGB) -> src2 (0000ARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
544 src2 = _mm_unpacklo_pi8 (src2, mm_zero); /* 0A0R0G0B -> src2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
545
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
546 dst1 = _mm_cvtsi32_si64 (*dstp); /* dst(ARGB) -> dst1 (0000ARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
547 dst1 = _mm_unpacklo_pi8 (dst1, mm_zero); /* 0A0R0G0B -> dst1 */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
548
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
549 src2 = _mm_sub_pi16 (src2, dst1); /* src2 - dst2 -> src2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
550 src2 = _mm_mullo_pi16 (src2, mm_alpha); /* src2 * alpha -> src2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
551 src2 = _mm_srli_pi16 (src2, 8); /* src2 >> 8 -> src2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
552 dst1 = _mm_add_pi8 (src2, dst1); /* src2 + dst1 -> dst1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
553
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
554 dst1 = _mm_packs_pu16 (dst1, mm_zero); /* 0000ARGB -> dst1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
555 dst1 = _mm_or_si64 (dst1, dsta); /* dsta | dst1 -> dst1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
556 *dstp = _mm_cvtsi64_si32 (dst1); /* dst1 -> pixel */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
557
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
558 ++srcp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
559 ++dstp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
560
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
561 n--;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
562 }
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
563
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
564 for (n >>= 1; n > 0; --n) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
565 /* Two Pixels Blend */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
566 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
567 src2 = src1; /* 2 x src -> src2(ARGBARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
568 src1 = _mm_unpacklo_pi8 (src1, mm_zero); /* low - 0A0R0G0B -> src1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
569 src2 = _mm_unpackhi_pi8 (src2, mm_zero); /* high - 0A0R0G0B -> src2 */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
570
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
571 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
572 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
573 dst1 = _mm_unpacklo_pi8 (dst1, mm_zero); /* low - 0A0R0G0B -> dst1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
574 dst2 = _mm_unpackhi_pi8 (dst2, mm_zero); /* high - 0A0R0G0B -> dst2 */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
575
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
576 src1 = _mm_sub_pi16 (src1, dst1); /* src1 - dst1 -> src1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
577 src1 = _mm_mullo_pi16 (src1, mm_alpha); /* src1 * alpha -> src1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
578 src1 = _mm_srli_pi16 (src1, 8); /* src1 >> 8 -> src1 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
579 dst1 = _mm_add_pi8 (src1, dst1); /* src1 + dst1(dst1) -> dst1 */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
580
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
581 src2 = _mm_sub_pi16 (src2, dst2); /* src2 - dst2 -> src2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
582 src2 = _mm_mullo_pi16 (src2, mm_alpha); /* src2 * alpha -> src2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
583 src2 = _mm_srli_pi16 (src2, 8); /* src2 >> 8 -> src2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
584 dst2 = _mm_add_pi8 (src2, dst2); /* src2 + dst2(dst2) -> dst2 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
585
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
586 dst1 = _mm_packs_pu16 (dst1, dst2); /* 0A0R0G0B(res1), 0A0R0G0B(res2) -> dst1(ARGBARGB) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
587 dst1 = _mm_or_si64 (dst1, dsta); /* dsta | dst1 -> dst1 */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
588
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
589 *(__m64 *) dstp = dst1; /* dst1 -> 2 x pixel */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
590
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
591 srcp += 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
592 dstp += 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
593 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
594 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
595 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
596 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
597 _mm_empty ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
598 }
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
599 }
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
600
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
601 /* fast ARGB888->(A)RGB888 blending with pixel alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
602 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
603 BlitRGBtoRGBPixelAlphaMMX (SDL_BlitInfo * info)
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
604 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
605 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
606 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
607 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
608 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
609 Uint32 *dstp = (Uint32 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
610 int dstskip = info->d_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
611 SDL_PixelFormat *sf = info->src;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
612 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
613 Uint32 amask = sf->Amask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
614 Uint32 ashift = sf->Ashift;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
615 Uint64 multmask;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
616
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
617 __m64 src1, dst1, mm_alpha, mm_zero, dmask;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
618
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
619 mm_zero = _mm_setzero_si64 (); /* 0 -> mm_zero */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
620 multmask = ~(0xFFFFi 64 << (ashift * 2));
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
621 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
622
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
623 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
624 /* *INDENT-OFF* */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
625 DUFFS_LOOP4({
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
626 Uint32 alpha = *srcp & amask;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
627 if (alpha == 0) {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
628 /* do nothing */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
629 } else if (alpha == amask) {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
630 /* opaque alpha -- copy RGB, keep dst alpha */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
631 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask);
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
632 } else {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
633 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
634 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
635
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
636 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
637 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
638
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
639 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
640 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
641 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
642 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
643 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
644
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
645 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
646 src1 = _mm_sub_pi16(src1, dst1);/* src1 - dst1 -> src1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
647 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src1 - dst1) * alpha -> src1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
648 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
649 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1 -> dst1(0A0R0G0B) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
650 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
651
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
652 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
653 }
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
654 ++srcp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
655 ++dstp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
656 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
657 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
658 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
659 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
660 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
661 _mm_empty ();
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
662 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
663
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
664 /* End MSVC_ASMBLIT */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
665
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
666 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
667
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
668 #if SDL_ALTIVEC_BLITTERS
1659
14717b52abc0 Merge trunk-1.3-3
Sam Lantinga <slouken@libsdl.org>
parents: 1617
diff changeset
669 #if __MWERKS__
14717b52abc0 Merge trunk-1.3-3
Sam Lantinga <slouken@libsdl.org>
parents: 1617
diff changeset
670 #pragma altivec_model on
14717b52abc0 Merge trunk-1.3-3
Sam Lantinga <slouken@libsdl.org>
parents: 1617
diff changeset
671 #endif
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
672 #if HAVE_ALTIVEC_H
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
673 #include <altivec.h>
1175
867f521591e5 Fixed Altivec support on Mac OS X.
Ryan C. Gordon <icculus@icculus.org>
parents: 1162
diff changeset
674 #endif
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
675 #include <assert.h>
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
676
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
677 #if (defined(__MACOSX__) && (__GNUC__ < 4))
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
678 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
679 (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p )
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
680 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
681 (vector unsigned short) ( a,b,c,d,e,f,g,h )
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
682 #else
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
683 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
684 (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
685 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
686 (vector unsigned short) { a,b,c,d,e,f,g,h }
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
687 #endif
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
688
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
689 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F)
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
690 #define VECPRINT(msg, v) do { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
691 vector unsigned int tmpvec = (vector unsigned int)(v); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
692 unsigned int *vp = (unsigned int *)&tmpvec; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
693 printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
694 } while (0)
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
695
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
696 /* the permuation vector that takes the high bytes out of all the appropriate shorts
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
697 (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
698 0x00, 0x10, 0x02, 0x12,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
699 0x04, 0x14, 0x06, 0x16,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
700 0x08, 0x18, 0x0A, 0x1A,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
701 0x0C, 0x1C, 0x0E, 0x1E );
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
702 */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
703 #define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F)))
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
704 #define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12)))
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
705 #define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24()))
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
706 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
707 ? vec_lvsl(0, src) \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
708 : vec_add(vec_lvsl(8, src), vec_splat_u8(8)))
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
709
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
710
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
711 #define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
712 /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
713 vector unsigned short vtemp1 = vec_mule(vs, valpha); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
714 /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
715 vector unsigned short vtemp2 = vec_mulo(vs, valpha); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
716 /* valpha2 is 255-alpha */ \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
717 vector unsigned char valpha2 = vec_nor(valpha, valpha); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
718 /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
719 vector unsigned short vtemp3 = vec_mule(vd, valpha2); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
720 /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
721 vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
722 /* add source and dest */ \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
723 vtemp1 = vec_add(vtemp1, vtemp3); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
724 vtemp2 = vec_add(vtemp2, vtemp4); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
725 /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
726 vtemp1 = vec_add(vtemp1, v1_16); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
727 vtemp3 = vec_sr(vtemp1, v8_16); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
728 vtemp1 = vec_add(vtemp1, vtemp3); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
729 /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
730 vtemp2 = vec_add(vtemp2, v1_16); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
731 vtemp4 = vec_sr(vtemp2, v8_16); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
732 vtemp2 = vec_add(vtemp2, vtemp4); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
733 /* (>>8) and get ARGBARGBARGBARGB */ \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
734 vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
735 } while (0)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
736
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
737 /* Calculate the permute vector used for 32->32 swizzling */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
738 static vector unsigned char
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
739 calc_swizzle32 (const SDL_PixelFormat * srcfmt,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
740 const SDL_PixelFormat * dstfmt)
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
741 {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
742 /*
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
743 * We have to assume that the bits that aren't used by other
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
744 * colors is alpha, and it's one complete byte, since some formats
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
745 * leave alpha with a zero mask, but we should still swizzle the bits.
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
746 */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
747 /* ARGB */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
748 const static struct SDL_PixelFormat default_pixel_format = {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
749 NULL, 0, 0,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
750 0, 0, 0, 0,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
751 16, 8, 0, 24,
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
752 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000,
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
753 0, 0
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
754 };
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
755 if (!srcfmt) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
756 srcfmt = &default_pixel_format;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
757 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
758 if (!dstfmt) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
759 dstfmt = &default_pixel_format;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
760 }
1487
dc6b59e925a2 Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
761 const vector unsigned char plus = VECUINT8_LITERAL
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
762 (0x00, 0x00, 0x00, 0x00,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
763 0x04, 0x04, 0x04, 0x04,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
764 0x08, 0x08, 0x08, 0x08,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
765 0x0C, 0x0C, 0x0C, 0x0C);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
766 vector unsigned char vswiz;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
767 vector unsigned int srcvec;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
768 #define RESHIFT(X) (3 - ((X) >> 3))
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
769 Uint32 rmask = RESHIFT (srcfmt->Rshift) << (dstfmt->Rshift);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
770 Uint32 gmask = RESHIFT (srcfmt->Gshift) << (dstfmt->Gshift);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
771 Uint32 bmask = RESHIFT (srcfmt->Bshift) << (dstfmt->Bshift);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
772 Uint32 amask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
773 /* Use zero for alpha if either surface doesn't have alpha */
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
774 if (dstfmt->Amask) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
775 amask =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
776 ((srcfmt->Amask) ? RESHIFT (srcfmt->Ashift) : 0x10) << (dstfmt->
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
777 Ashift);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
778 } else {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
779 amask =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
780 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
781 0xFFFFFFFF);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
782 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
783 #undef RESHIFT
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
784 ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
785 vswiz = vec_add (plus, (vector unsigned char) vec_splat (srcvec, 0));
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
786 return (vswiz);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
787 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
788
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
789 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
790 Blit32to565PixelAlphaAltivec (SDL_BlitInfo * info)
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
791 {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
792 int height = info->d_height;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
793 Uint8 *src = (Uint8 *) info->s_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
794 int srcskip = info->s_skip;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
795 Uint8 *dst = (Uint8 *) info->d_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
796 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
797 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
798
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
799 vector unsigned char v0 = vec_splat_u8 (0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
800 vector unsigned short v8_16 = vec_splat_u16 (8);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
801 vector unsigned short v1_16 = vec_splat_u16 (1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
802 vector unsigned short v2_16 = vec_splat_u16 (2);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
803 vector unsigned short v3_16 = vec_splat_u16 (3);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
804 vector unsigned int v8_32 = vec_splat_u32 (8);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
805 vector unsigned int v16_32 = vec_add (v8_32, v8_32);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
806 vector unsigned short v3f =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
807 VECUINT16_LITERAL (0x003f, 0x003f, 0x003f, 0x003f,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
808 0x003f, 0x003f, 0x003f, 0x003f);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
809 vector unsigned short vfc =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
810 VECUINT16_LITERAL (0x00fc, 0x00fc, 0x00fc, 0x00fc,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
811 0x00fc, 0x00fc, 0x00fc, 0x00fc);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
812
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
813 /*
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
814 0x10 - 0x1f is the alpha
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
815 0x00 - 0x0e evens are the red
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
816 0x01 - 0x0f odds are zero
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
817 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
818 vector unsigned char vredalpha1 =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
819 VECUINT8_LITERAL (0x10, 0x00, 0x01, 0x01,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
820 0x10, 0x02, 0x01, 0x01,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
821 0x10, 0x04, 0x01, 0x01,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
822 0x10, 0x06, 0x01, 0x01);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
823 vector unsigned char vredalpha2 =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
824 (vector unsigned char) (vec_add ((vector unsigned int) vredalpha1,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
825 vec_sl (v8_32, v16_32))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
826 );
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
827 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
828 0x00 - 0x0f is ARxx ARxx ARxx ARxx
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
829 0x11 - 0x0f odds are blue
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
830 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
831 vector unsigned char vblue1 = VECUINT8_LITERAL (0x00, 0x01, 0x02, 0x11,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
832 0x04, 0x05, 0x06, 0x13,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
833 0x08, 0x09, 0x0a, 0x15,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
834 0x0c, 0x0d, 0x0e, 0x17);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
835 vector unsigned char vblue2 =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
836 (vector unsigned char) (vec_add ((vector unsigned int) vblue1, v8_32)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
837 );
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
838 /*
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
839 0x00 - 0x0f is ARxB ARxB ARxB ARxB
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
840 0x10 - 0x0e evens are green
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
841 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
842 vector unsigned char vgreen1 = VECUINT8_LITERAL (0x00, 0x01, 0x10, 0x03,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
843 0x04, 0x05, 0x12, 0x07,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
844 0x08, 0x09, 0x14, 0x0b,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
845 0x0c, 0x0d, 0x16, 0x0f);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
846 vector unsigned char vgreen2 =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
847 (vector unsigned
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
848 char) (vec_add ((vector unsigned int) vgreen1, vec_sl (v8_32, v8_32))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
849 );
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
850 vector unsigned char vgmerge = VECUINT8_LITERAL (0x00, 0x02, 0x00, 0x06,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
851 0x00, 0x0a, 0x00, 0x0e,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
852 0x00, 0x12, 0x00, 0x16,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
853 0x00, 0x1a, 0x00, 0x1e);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
854 vector unsigned char mergePermute = VEC_MERGE_PERMUTE ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
855 vector unsigned char vpermute = calc_swizzle32 (srcfmt, NULL);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
856 vector unsigned char valphaPermute =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
857 vec_and (vec_lvsl (0, (int *) NULL), vec_splat_u8 (0xC));
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
858
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
859 vector unsigned short vf800 = (vector unsigned short) vec_splat_u8 (-7);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
860 vf800 = vec_sl (vf800, vec_splat_u16 (8));
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
861
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
862 while (height--) {
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
863 int extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
864 vector unsigned char valigner;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
865 vector unsigned char vsrc;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
866 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
867 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
868
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
869 #define ONE_PIXEL_BLEND(condition, widthvar) \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
870 while (condition) { \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
871 Uint32 Pixel; \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
872 unsigned sR, sG, sB, dR, dG, dB, sA; \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
873 DISEMBLE_RGBA(src, 4, srcfmt, Pixel, sR, sG, sB, sA); \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
874 if(sA) { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
875 unsigned short dstpixel = *((unsigned short *)dst); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
876 dR = (dstpixel >> 8) & 0xf8; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
877 dG = (dstpixel >> 3) & 0xfc; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
878 dB = (dstpixel << 3) & 0xf8; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
879 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
880 *((unsigned short *)dst) = ( \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
881 ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
882 ); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
883 } \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
884 src += 4; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
885 dst += 2; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
886 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
887 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
888 ONE_PIXEL_BLEND ((UNALIGNED_PTR (dst)) && (width), width);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
889 extrawidth = (width % 8);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
890 valigner = VEC_ALIGNER (src);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
891 vsrc = (vector unsigned char) vec_ld (0, src);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
892 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
893 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
894 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
895 vector unsigned char vsrc1, vsrc2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
896 vector unsigned char vdst1, vdst2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
897 vector unsigned short vR, vG, vB;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
898 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
899
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
900 /* Load 8 pixels from src as ARGB */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
901 voverflow = (vector unsigned char) vec_ld (15, src);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
902 vsrc = vec_perm (vsrc, voverflow, valigner);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
903 vsrc1 = vec_perm (vsrc, vsrc, vpermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
904 src += 16;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
905 vsrc = (vector unsigned char) vec_ld (15, src);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
906 voverflow = vec_perm (voverflow, vsrc, valigner);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
907 vsrc2 = vec_perm (voverflow, voverflow, vpermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
908 src += 16;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
909
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
910 /* Load 8 pixels from dst as XRGB */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
911 voverflow = vec_ld (0, dst);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
912 vR = vec_and ((vector unsigned short) voverflow, vf800);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
913 vB = vec_sl ((vector unsigned short) voverflow, v3_16);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
914 vG = vec_sl (vB, v2_16);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
915 vdst1 =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
916 (vector unsigned char) vec_perm ((vector unsigned char) vR,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
917 (vector unsigned char) vR,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
918 vredalpha1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
919 vdst1 = vec_perm (vdst1, (vector unsigned char) vB, vblue1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
920 vdst1 = vec_perm (vdst1, (vector unsigned char) vG, vgreen1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
921 vdst2 =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
922 (vector unsigned char) vec_perm ((vector unsigned char) vR,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
923 (vector unsigned char) vR,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
924 vredalpha2);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
925 vdst2 = vec_perm (vdst2, (vector unsigned char) vB, vblue2);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
926 vdst2 = vec_perm (vdst2, (vector unsigned char) vG, vgreen2);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
927
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
928 /* Alpha blend 8 pixels as ARGB */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
929 valpha = vec_perm (vsrc1, v0, valphaPermute);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
930 VEC_MULTIPLY_ALPHA (vsrc1, vdst1, valpha, mergePermute, v1_16,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
931 v8_16);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
932 valpha = vec_perm (vsrc2, v0, valphaPermute);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
933 VEC_MULTIPLY_ALPHA (vsrc2, vdst2, valpha, mergePermute, v1_16,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
934 v8_16);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
935
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
936 /* Convert 8 pixels to 565 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
937 vpixel = (vector unsigned short) vec_packpx ((vector unsigned int)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
938 vdst1,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
939 (vector unsigned int)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
940 vdst2);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
941 vgpixel =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
942 (vector unsigned short) vec_perm (vdst1, vdst2, vgmerge);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
943 vgpixel = vec_and (vgpixel, vfc);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
944 vgpixel = vec_sl (vgpixel, v3_16);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
945 vrpixel = vec_sl (vpixel, v1_16);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
946 vrpixel = vec_and (vrpixel, vf800);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
947 vbpixel = vec_and (vpixel, v3f);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
948 vdst1 =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
949 vec_or ((vector unsigned char) vrpixel,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
950 (vector unsigned char) vgpixel);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
951 vdst1 = vec_or (vdst1, (vector unsigned char) vbpixel);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
952
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
953 /* Store 8 pixels */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
954 vec_st (vdst1, 0, dst);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
955
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
956 width -= 8;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
957 dst += 16;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
958 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
959 ONE_PIXEL_BLEND ((extrawidth), extrawidth);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
960 #undef ONE_PIXEL_BLEND
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
961 src += srcskip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
962 dst += dstskip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
963 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
964 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
965
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
966 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
967 Blit32to32SurfaceAlphaKeyAltivec (SDL_BlitInfo * info)
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
968 {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
969 unsigned alpha = info->src->alpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
970 int height = info->d_height;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
971 Uint32 *srcp = (Uint32 *) info->s_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
972 int srcskip = info->s_skip >> 2;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
973 Uint32 *dstp = (Uint32 *) info->d_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
974 int dstskip = info->d_skip >> 2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
975 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
976 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
977 unsigned sA = srcfmt->alpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
978 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
979 Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
980 Uint32 ckey = info->src->colorkey;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
981 vector unsigned char mergePermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
982 vector unsigned char vsrcPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
983 vector unsigned char vdstPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
984 vector unsigned char vsdstPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
985 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
986 vector unsigned char valphamask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
987 vector unsigned char vbits;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
988 vector unsigned char v0;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
989 vector unsigned short v1;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
990 vector unsigned short v8;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
991 vector unsigned int vckey;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
992 vector unsigned int vrgbmask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
993
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
994 mergePermute = VEC_MERGE_PERMUTE ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
995 v0 = vec_splat_u8 (0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
996 v1 = vec_splat_u16 (1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
997 v8 = vec_splat_u16 (8);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
998
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
999 /* set the alpha to 255 on the destination surf */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1000 valphamask = VEC_ALPHA_MASK ();
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1001
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1002 vsrcPermute = calc_swizzle32 (srcfmt, NULL);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1003 vdstPermute = calc_swizzle32 (NULL, dstfmt);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1004 vsdstPermute = calc_swizzle32 (dstfmt, NULL);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1005
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1006 /* set a vector full of alpha and 255-alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1007 ((unsigned char *) &valpha)[0] = alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1008 valpha = vec_splat (valpha, 0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1009 vbits = (vector unsigned char) vec_splat_s8 (-1);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1010
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1011 ckey &= rgbmask;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1012 ((unsigned int *) (char *) &vckey)[0] = ckey;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1013 vckey = vec_splat (vckey, 0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1014 ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1015 vrgbmask = vec_splat (vrgbmask, 0);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1016
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1017 while (height--) {
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1018 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1019 #define ONE_PIXEL_BLEND(condition, widthvar) \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1020 while (condition) { \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1021 Uint32 Pixel; \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1022 unsigned sR, sG, sB, dR, dG, dB; \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1023 RETRIEVE_RGB_PIXEL(((Uint8 *)srcp), 4, Pixel); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1024 if(sA && Pixel != ckey) { \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1025 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1026 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1027 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1028 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1029 } \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1030 dstp++; \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1031 srcp++; \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1032 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1033 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1034 ONE_PIXEL_BLEND ((UNALIGNED_PTR (dstp)) && (width), width);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1035 if (width > 0) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1036 int extrawidth = (width % 4);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1037 vector unsigned char valigner = VEC_ALIGNER (srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1038 vector unsigned char vs = (vector unsigned char) vec_ld (0, srcp);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1039 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1040 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1041 vector unsigned char vsel;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1042 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1043 vector unsigned char vd;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1044 vector unsigned char vd_orig;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1045
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1046 /* s = *srcp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1047 voverflow = (vector unsigned char) vec_ld (15, srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1048 vs = vec_perm (vs, voverflow, valigner);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1049
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1050 /* vsel is set for items that match the key */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1051 vsel =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1052 (vector unsigned char) vec_and ((vector unsigned int) vs,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1053 vrgbmask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1054 vsel = (vector unsigned char) vec_cmpeq ((vector unsigned int)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1055 vsel, vckey);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1056
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1057 /* permute to source format */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1058 vs = vec_perm (vs, valpha, vsrcPermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1059
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1060 /* d = *dstp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1061 vd = (vector unsigned char) vec_ld (0, dstp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1062 vd_orig = vd = vec_perm (vd, v0, vsdstPermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1063
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1064 VEC_MULTIPLY_ALPHA (vs, vd, valpha, mergePermute, v1, v8);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1065
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1066 /* set the alpha channel to full on */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1067 vd = vec_or (vd, valphamask);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1068
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1069 /* mask out color key */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1070 vd = vec_sel (vd, vd_orig, vsel);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1071
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1072 /* permute to dest format */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1073 vd = vec_perm (vd, vbits, vdstPermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1074
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1075 /* *dstp = res */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1076 vec_st ((vector unsigned int) vd, 0, dstp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1077
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1078 srcp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1079 dstp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1080 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1081 vs = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1082 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1083 ONE_PIXEL_BLEND ((extrawidth), extrawidth);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1084 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1085 #undef ONE_PIXEL_BLEND
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1086
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1087 srcp += srcskip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1088 dstp += dstskip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1089 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1090 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1091
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1092
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1093 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1094 Blit32to32PixelAlphaAltivec (SDL_BlitInfo * info)
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1095 {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1096 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1097 int height = info->d_height;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1098 Uint32 *srcp = (Uint32 *) info->s_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1099 int srcskip = info->s_skip >> 2;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1100 Uint32 *dstp = (Uint32 *) info->d_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1101 int dstskip = info->d_skip >> 2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1102 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1103 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1104 vector unsigned char mergePermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1105 vector unsigned char valphaPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1106 vector unsigned char vsrcPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1107 vector unsigned char vdstPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1108 vector unsigned char vsdstPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1109 vector unsigned char valphamask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1110 vector unsigned char vpixelmask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1111 vector unsigned char v0;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1112 vector unsigned short v1;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1113 vector unsigned short v8;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1114
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1115 v0 = vec_splat_u8 (0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1116 v1 = vec_splat_u16 (1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1117 v8 = vec_splat_u16 (8);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1118 mergePermute = VEC_MERGE_PERMUTE ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1119 valphamask = VEC_ALPHA_MASK ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1120 valphaPermute = vec_and (vec_lvsl (0, (int *) NULL), vec_splat_u8 (0xC));
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1121 vpixelmask = vec_nor (valphamask, v0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1122 vsrcPermute = calc_swizzle32 (srcfmt, NULL);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1123 vdstPermute = calc_swizzle32 (NULL, dstfmt);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1124 vsdstPermute = calc_swizzle32 (dstfmt, NULL);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1125
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1126 while (height--) {
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1127 width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1128 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1129 Uint32 Pixel; \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1130 unsigned sR, sG, sB, dR, dG, dB, sA, dA; \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1131 DISEMBLE_RGBA((Uint8 *)srcp, 4, srcfmt, Pixel, sR, sG, sB, sA); \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1132 if(sA) { \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1133 DISEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, Pixel, dR, dG, dB, dA); \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1134 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1135 ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1136 } \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1137 ++srcp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1138 ++dstp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1139 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1140 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1141 ONE_PIXEL_BLEND ((UNALIGNED_PTR (dstp)) && (width), width);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1142 if (width > 0) {
1487
dc6b59e925a2 Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
1143 /* vsrcPermute */
dc6b59e925a2 Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
1144 /* vdstPermute */
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1145 int extrawidth = (width % 4);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1146 vector unsigned char valigner = VEC_ALIGNER (srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1147 vector unsigned char vs = (vector unsigned char) vec_ld (0, srcp);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1148 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1149 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1150 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1151 vector unsigned char vd;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1152 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1153 vector unsigned char vdstalpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1154 /* s = *srcp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1155 voverflow = (vector unsigned char) vec_ld (15, srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1156 vs = vec_perm (vs, voverflow, valigner);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1157 vs = vec_perm (vs, v0, vsrcPermute);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1158
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1159 valpha = vec_perm (vs, v0, valphaPermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1160
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1161 /* d = *dstp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1162 vd = (vector unsigned char) vec_ld (0, dstp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1163 vd = vec_perm (vd, v0, vsdstPermute);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1164 vdstalpha = vec_and (vd, valphamask);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1165
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1166 VEC_MULTIPLY_ALPHA (vs, vd, valpha, mergePermute, v1, v8);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1167
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1168 /* set the alpha to the dest alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1169 vd = vec_and (vd, vpixelmask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1170 vd = vec_or (vd, vdstalpha);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1171 vd = vec_perm (vd, v0, vdstPermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1172
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1173 /* *dstp = res */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1174 vec_st ((vector unsigned int) vd, 0, dstp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1175
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1176 srcp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1177 dstp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1178 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1179 vs = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1180
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1181 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1182 ONE_PIXEL_BLEND ((extrawidth), extrawidth);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1183 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1184 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1185 dstp += dstskip;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1186 #undef ONE_PIXEL_BLEND
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1187 }
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1188 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1189
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1190 /* fast ARGB888->(A)RGB888 blending with pixel alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1191 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1192 BlitRGBtoRGBPixelAlphaAltivec (SDL_BlitInfo * info)
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1193 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1194 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1195 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1196 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1197 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1198 Uint32 *dstp = (Uint32 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1199 int dstskip = info->d_skip >> 2;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1200 vector unsigned char mergePermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1201 vector unsigned char valphaPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1202 vector unsigned char valphamask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1203 vector unsigned char vpixelmask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1204 vector unsigned char v0;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1205 vector unsigned short v1;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1206 vector unsigned short v8;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1207 v0 = vec_splat_u8 (0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1208 v1 = vec_splat_u16 (1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1209 v8 = vec_splat_u16 (8);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1210 mergePermute = VEC_MERGE_PERMUTE ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1211 valphamask = VEC_ALPHA_MASK ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1212 valphaPermute = vec_and (vec_lvsl (0, (int *) NULL), vec_splat_u8 (0xC));
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1213
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1214
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1215 vpixelmask = vec_nor (valphamask, v0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1216 while (height--) {
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1217 width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1218 #define ONE_PIXEL_BLEND(condition, widthvar) \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1219 while ((condition)) { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1220 Uint32 dalpha; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1221 Uint32 d; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1222 Uint32 s1; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1223 Uint32 d1; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1224 Uint32 s = *srcp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1225 Uint32 alpha = s >> 24; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1226 if(alpha) { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1227 if(alpha == SDL_ALPHA_OPAQUE) { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1228 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1229 } else { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1230 d = *dstp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1231 dalpha = d & 0xff000000; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1232 s1 = s & 0xff00ff; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1233 d1 = d & 0xff00ff; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1234 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1235 s &= 0xff00; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1236 d &= 0xff00; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1237 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1238 *dstp = d1 | d | dalpha; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1239 } \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1240 } \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1241 ++srcp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1242 ++dstp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1243 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1244 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1245 ONE_PIXEL_BLEND ((UNALIGNED_PTR (dstp)) && (width), width);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1246 if (width > 0) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1247 int extrawidth = (width % 4);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1248 vector unsigned char valigner = VEC_ALIGNER (srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1249 vector unsigned char vs = (vector unsigned char) vec_ld (0, srcp);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1250 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1251 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1252 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1253 vector unsigned char vd;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1254 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1255 vector unsigned char vdstalpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1256 /* s = *srcp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1257 voverflow = (vector unsigned char) vec_ld (15, srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1258 vs = vec_perm (vs, voverflow, valigner);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1259
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1260 valpha = vec_perm (vs, v0, valphaPermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1261
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1262 /* d = *dstp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1263 vd = (vector unsigned char) vec_ld (0, dstp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1264 vdstalpha = vec_and (vd, valphamask);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1265
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1266 VEC_MULTIPLY_ALPHA (vs, vd, valpha, mergePermute, v1, v8);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1267
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1268 /* set the alpha to the dest alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1269 vd = vec_and (vd, vpixelmask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1270 vd = vec_or (vd, vdstalpha);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1271
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1272 /* *dstp = res */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1273 vec_st ((vector unsigned int) vd, 0, dstp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1274
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1275 srcp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1276 dstp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1277 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1278 vs = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1279 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1280 ONE_PIXEL_BLEND ((extrawidth), extrawidth);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1281 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1282 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1283 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1284 }
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1285 #undef ONE_PIXEL_BLEND
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1286 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1287
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1288 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1289 Blit32to32SurfaceAlphaAltivec (SDL_BlitInfo * info)
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1290 {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1291 /* XXX : 6 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1292 unsigned alpha = info->src->alpha;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1293 int height = info->d_height;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1294 Uint32 *srcp = (Uint32 *) info->s_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1295 int srcskip = info->s_skip >> 2;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1296 Uint32 *dstp = (Uint32 *) info->d_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1297 int dstskip = info->d_skip >> 2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1298 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1299 SDL_PixelFormat *dstfmt = info->dst;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1300 unsigned sA = srcfmt->alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1301 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1302 vector unsigned char mergePermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1303 vector unsigned char vsrcPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1304 vector unsigned char vdstPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1305 vector unsigned char vsdstPermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1306 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1307 vector unsigned char valphamask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1308 vector unsigned char vbits;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1309 vector unsigned short v1;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1310 vector unsigned short v8;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1311
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1312 mergePermute = VEC_MERGE_PERMUTE ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1313 v1 = vec_splat_u16 (1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1314 v8 = vec_splat_u16 (8);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1315
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1316 /* set the alpha to 255 on the destination surf */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1317 valphamask = VEC_ALPHA_MASK ();
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1318
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1319 vsrcPermute = calc_swizzle32 (srcfmt, NULL);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1320 vdstPermute = calc_swizzle32 (NULL, dstfmt);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1321 vsdstPermute = calc_swizzle32 (dstfmt, NULL);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1322
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1323 /* set a vector full of alpha and 255-alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1324 ((unsigned char *) &valpha)[0] = alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1325 valpha = vec_splat (valpha, 0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1326 vbits = (vector unsigned char) vec_splat_s8 (-1);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1327
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1328 while (height--) {
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1329 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1330 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1331 Uint32 Pixel; \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1332 unsigned sR, sG, sB, dR, dG, dB; \
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1333 DISEMBLE_RGB(((Uint8 *)srcp), 4, srcfmt, Pixel, sR, sG, sB); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
1334 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1335 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1336 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1337 ++srcp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1338 ++dstp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1339 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1340 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1341 ONE_PIXEL_BLEND ((UNALIGNED_PTR (dstp)) && (width), width);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1342 if (width > 0) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1343 int extrawidth = (width % 4);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1344 vector unsigned char valigner = vec_lvsl (0, srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1345 vector unsigned char vs = (vector unsigned char) vec_ld (0, srcp);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1346 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1347 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1348 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1349 vector unsigned char vd;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1350
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1351 /* s = *srcp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1352 voverflow = (vector unsigned char) vec_ld (15, srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1353 vs = vec_perm (vs, voverflow, valigner);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1354 vs = vec_perm (vs, valpha, vsrcPermute);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1355
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1356 /* d = *dstp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1357 vd = (vector unsigned char) vec_ld (0, dstp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1358 vd = vec_perm (vd, vd, vsdstPermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1359
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1360 VEC_MULTIPLY_ALPHA (vs, vd, valpha, mergePermute, v1, v8);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1361
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1362 /* set the alpha channel to full on */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1363 vd = vec_or (vd, valphamask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1364 vd = vec_perm (vd, vbits, vdstPermute);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1365
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1366 /* *dstp = res */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1367 vec_st ((vector unsigned int) vd, 0, dstp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1368
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1369 srcp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1370 dstp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1371 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1372 vs = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1373 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1374 ONE_PIXEL_BLEND ((extrawidth), extrawidth);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1375 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1376 #undef ONE_PIXEL_BLEND
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1377
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1378 srcp += srcskip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1379 dstp += dstskip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1380 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1381
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1382 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1383
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1384
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1385 /* fast RGB888->(A)RGB888 blending */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1386 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1387 BlitRGBtoRGBSurfaceAlphaAltivec (SDL_BlitInfo * info)
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1388 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1389 unsigned alpha = info->src->alpha;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1390 int height = info->d_height;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1391 Uint32 *srcp = (Uint32 *) info->s_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1392 int srcskip = info->s_skip >> 2;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1393 Uint32 *dstp = (Uint32 *) info->d_pixels;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1394 int dstskip = info->d_skip >> 2;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1395 vector unsigned char mergePermute;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1396 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1397 vector unsigned char valphamask;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1398 vector unsigned short v1;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1399 vector unsigned short v8;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1400
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1401 mergePermute = VEC_MERGE_PERMUTE ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1402 v1 = vec_splat_u16 (1);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1403 v8 = vec_splat_u16 (8);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1404
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1405 /* set the alpha to 255 on the destination surf */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1406 valphamask = VEC_ALPHA_MASK ();
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1407
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1408 /* set a vector full of alpha and 255-alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1409 ((unsigned char *) &valpha)[0] = alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1410 valpha = vec_splat (valpha, 0);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1411
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1412 while (height--) {
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1413 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1414 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1415 Uint32 s = *srcp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1416 Uint32 d = *dstp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1417 Uint32 s1 = s & 0xff00ff; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1418 Uint32 d1 = d & 0xff00ff; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1419 d1 = (d1 + ((s1 - d1) * alpha >> 8)) \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1420 & 0xff00ff; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1421 s &= 0xff00; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1422 d &= 0xff00; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1423 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1424 *dstp = d1 | d | 0xff000000; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1425 ++srcp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1426 ++dstp; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1427 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1428 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1429 ONE_PIXEL_BLEND ((UNALIGNED_PTR (dstp)) && (width), width);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1430 if (width > 0) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1431 int extrawidth = (width % 4);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1432 vector unsigned char valigner = VEC_ALIGNER (srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1433 vector unsigned char vs = (vector unsigned char) vec_ld (0, srcp);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1434 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1435 while (width) {
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1436 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1437 vector unsigned char vd;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1438
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1439 /* s = *srcp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1440 voverflow = (vector unsigned char) vec_ld (15, srcp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1441 vs = vec_perm (vs, voverflow, valigner);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1442
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1443 /* d = *dstp */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1444 vd = (vector unsigned char) vec_ld (0, dstp);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1445
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1446 VEC_MULTIPLY_ALPHA (vs, vd, valpha, mergePermute, v1, v8);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1447
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1448 /* set the alpha channel to full on */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1449 vd = vec_or (vd, valphamask);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1450
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1451 /* *dstp = res */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1452 vec_st ((vector unsigned int) vd, 0, dstp);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1453
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1454 srcp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1455 dstp += 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1456 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1457 vs = voverflow;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1458 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1459 ONE_PIXEL_BLEND ((extrawidth), extrawidth);
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1460 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1461 #undef ONE_PIXEL_BLEND
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1462
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1463 srcp += srcskip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1464 dstp += dstskip;
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1465 }
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1466 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1467
1659
14717b52abc0 Merge trunk-1.3-3
Sam Lantinga <slouken@libsdl.org>
parents: 1617
diff changeset
1468 #if __MWERKS__
14717b52abc0 Merge trunk-1.3-3
Sam Lantinga <slouken@libsdl.org>
parents: 1617
diff changeset
1469 #pragma altivec_model off
14717b52abc0 Merge trunk-1.3-3
Sam Lantinga <slouken@libsdl.org>
parents: 1617
diff changeset
1470 #endif
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
1471 #endif /* SDL_ALTIVEC_BLITTERS */
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
1472
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1473 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1474 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1475 BlitRGBtoRGBSurfaceAlpha128 (SDL_BlitInfo * info)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1476 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1477 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1478 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1479 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1480 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1481 Uint32 *dstp = (Uint32 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1482 int dstskip = info->d_skip >> 2;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1483
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1484 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1485 /* *INDENT-OFF* */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1486 DUFFS_LOOP4({
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1487 Uint32 s = *srcp++;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1488 Uint32 d = *dstp;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1489 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1)
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1490 + (s & d & 0x00010101)) | 0xff000000;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1491 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1492 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1493 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1494 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1495 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1496 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1497
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1498 /* fast RGB888->(A)RGB888 blending with surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1499 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1500 BlitRGBtoRGBSurfaceAlpha (SDL_BlitInfo * info)
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1501 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1502 unsigned alpha = info->src->alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1503 if (alpha == 128) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1504 BlitRGBtoRGBSurfaceAlpha128 (info);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1505 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1506 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1507 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1508 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1509 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1510 Uint32 *dstp = (Uint32 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1511 int dstskip = info->d_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1512 Uint32 s;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1513 Uint32 d;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1514 Uint32 s1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1515 Uint32 d1;
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1516
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1517 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1518 /* *INDENT-OFF* */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1519 DUFFS_LOOP_DOUBLE2({
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1520 /* One Pixel Blend */
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1521 s = *srcp;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1522 d = *dstp;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1523 s1 = s & 0xff00ff;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1524 d1 = d & 0xff00ff;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1525 d1 = (d1 + ((s1 - d1) * alpha >> 8))
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1526 & 0xff00ff;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1527 s &= 0xff00;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1528 d &= 0xff00;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1529 d = (d + ((s - d) * alpha >> 8)) & 0xff00;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1530 *dstp = d1 | d | 0xff000000;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1531 ++srcp;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1532 ++dstp;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1533 },{
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1534 /* Two Pixels Blend */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1535 s = *srcp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1536 d = *dstp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1537 s1 = s & 0xff00ff;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1538 d1 = d & 0xff00ff;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1539 d1 += (s1 - d1) * alpha >> 8;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1540 d1 &= 0xff00ff;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1541
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1542 s = ((s & 0xff00) >> 8) |
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1543 ((srcp[1] & 0xff00) << 8);
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1544 d = ((d & 0xff00) >> 8) |
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1545 ((dstp[1] & 0xff00) << 8);
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1546 d += (s - d) * alpha >> 8;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1547 d &= 0x00ff00ff;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1548
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1549 *dstp++ = d1 | ((d << 8) & 0xff00) | 0xff000000;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1550 ++srcp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1551
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1552 s1 = *srcp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1553 d1 = *dstp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1554 s1 &= 0xff00ff;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1555 d1 &= 0xff00ff;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1556 d1 += (s1 - d1) * alpha >> 8;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1557 d1 &= 0xff00ff;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1558
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1559 *dstp = d1 | ((d >> 8) & 0xff00) | 0xff000000;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1560 ++srcp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1561 ++dstp;
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1562 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1563 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1564 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1565 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1566 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1567 }
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1568 }
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1569
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1570 /* fast ARGB888->(A)RGB888 blending with pixel alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1571 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1572 BlitRGBtoRGBPixelAlpha (SDL_BlitInfo * info)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1573 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1574 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1575 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1576 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1577 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1578 Uint32 *dstp = (Uint32 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1579 int dstskip = info->d_skip >> 2;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1580
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1581 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1582 /* *INDENT-OFF* */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1583 DUFFS_LOOP4({
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1584 Uint32 dalpha;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1585 Uint32 d;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1586 Uint32 s1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1587 Uint32 d1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1588 Uint32 s = *srcp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1589 Uint32 alpha = s >> 24;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1590 /* FIXME: Here we special-case opaque alpha since the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1591 compositioning used (>>8 instead of /255) doesn't handle
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1592 it correctly. Also special-case alpha=0 for speed?
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1593 Benchmark this! */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1594 if(alpha) {
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1595 if(alpha == SDL_ALPHA_OPAQUE) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1596 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000);
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1597 } else {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1598 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1599 * take out the middle component (green), and process
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1600 * the other two in parallel. One multiply less.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1601 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1602 d = *dstp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1603 dalpha = d & 0xff000000;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1604 s1 = s & 0xff00ff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1605 d1 = d & 0xff00ff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1606 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1607 s &= 0xff00;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1608 d &= 0xff00;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1609 d = (d + ((s - d) * alpha >> 8)) & 0xff00;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1610 *dstp = d1 | d | dalpha;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1611 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1612 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1613 ++srcp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1614 ++dstp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1615 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1616 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1617 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1618 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1619 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1620 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1621
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1622 #if GCC_ASMBLIT
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1623 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1624 inline static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1625 BlitRGBtoRGBPixelAlphaMMX3DNOW (SDL_BlitInfo * info)
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1626 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1627 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1628 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1629 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1630 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1631 Uint32 *dstp = (Uint32 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1632 int dstskip = info->d_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1633 SDL_PixelFormat *sf = info->src;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1634 Uint32 amask = sf->Amask;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1635
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1636 __asm__ (
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1637 /* make mm6 all zeros. */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1638 "pxor %%mm6, %%mm6\n"
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1639 /* Make a mask to preserve the alpha. */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1640 "movd %0, %%mm7\n\t" /* 0000F000 -> mm7 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1641 "punpcklbw %%mm7, %%mm7\n\t" /* FF000000 -> mm7 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1642 "pcmpeqb %%mm4, %%mm4\n\t" /* FFFFFFFF -> mm4 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1643 "movq %%mm4, %%mm3\n\t" /* FFFFFFFF -> mm3 (for later) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1644 "pxor %%mm4, %%mm7\n\t" /* 00FFFFFF -> mm7 (mult mask) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1645 /* form channel masks */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1646 "movq %%mm7, %%mm4\n\t" /* 00FFFFFF -> mm4 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1647 "packsswb %%mm6, %%mm4\n\t" /* 00000FFF -> mm4 (channel mask) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1648 "packsswb %%mm6, %%mm3\n\t" /* 0000FFFF -> mm3 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1649 "pxor %%mm4, %%mm3\n\t" /* 0000F000 -> mm3 (~channel mask) */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1650 /* get alpha channel shift */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1651 "movd %1, %%mm5\n\t" /* Ashift -> mm5 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1652 : /* nothing */ : "m" (sf->Amask), "m" (sf->Ashift));
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1653
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1654 while (height--) {
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1655
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1656 /* *INDENT-OFF* */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1657 DUFFS_LOOP4({
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1658 Uint32 alpha;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1659
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1660 __asm__ (
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1661 "prefetch 64(%0)\n"
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1662 "prefetch 64(%1)\n"
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1663 : : "r" (srcp), "r" (dstp) );
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1664
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1665 alpha = *srcp & amask;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1666 /* FIXME: Here we special-case opaque alpha since the
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1667 compositioning used (>>8 instead of /255) doesn't handle
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1668 it correctly. Also special-case alpha=0 for speed?
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1669 Benchmark this! */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1670 if(alpha == 0) {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1671 /* do nothing */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1672 }
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1673 else if(alpha == amask) {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1674 /* opaque alpha -- copy RGB, keep dst alpha */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1675 /* using MMX here to free up regular registers for other things */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1676 __asm__ (
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1677 "movd (%0), %%mm0\n\t" /* src(ARGB) -> mm0 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1678 "movd (%1), %%mm1\n\t" /* dst(ARGB) -> mm1 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1679 "pand %%mm4, %%mm0\n\t" /* src & chanmask -> mm0 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1680 "pand %%mm3, %%mm1\n\t" /* dst & ~chanmask -> mm2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1681 "por %%mm0, %%mm1\n\t" /* src | dst -> mm1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1682 "movd %%mm1, (%1) \n\t" /* mm1 -> dst */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1683
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1684 : : "r" (srcp), "r" (dstp) );
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1685 }
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1686
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1687 else {
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1688 __asm__ (
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1689 /* load in the source, and dst. */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1690 "movd (%0), %%mm0\n" /* mm0(s) = 0 0 0 0 | As Rs Gs Bs */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1691 "movd (%1), %%mm1\n" /* mm1(d) = 0 0 0 0 | Ad Rd Gd Bd */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1692
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1693 /* Move the src alpha into mm2 */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1694
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1695 /* if supporting pshufw */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1696 /*"pshufw $0x55, %%mm0, %%mm2\n" */ /* mm2 = 0 As 0 As | 0 As 0 As */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1697 /*"psrlw $8, %%mm2\n" */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1698
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1699 /* else: */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1700 "movd %2, %%mm2\n"
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1701 "psrld %%mm5, %%mm2\n" /* mm2 = 0 0 0 0 | 0 0 0 As */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1702 "punpcklwd %%mm2, %%mm2\n" /* mm2 = 0 0 0 0 | 0 As 0 As */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1703 "punpckldq %%mm2, %%mm2\n" /* mm2 = 0 As 0 As | 0 As 0 As */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1704 "pand %%mm7, %%mm2\n" /* to preserve dest alpha */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1705
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1706 /* move the colors into words. */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1707 "punpcklbw %%mm6, %%mm0\n" /* mm0 = 0 As 0 Rs | 0 Gs 0 Bs */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1708 "punpcklbw %%mm6, %%mm1\n" /* mm0 = 0 Ad 0 Rd | 0 Gd 0 Bd */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1709
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1710 /* src - dst */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1711 "psubw %%mm1, %%mm0\n" /* mm0 = As-Ad Rs-Rd | Gs-Gd Bs-Bd */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1712
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1713 /* A * (src-dst) */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1714 "pmullw %%mm2, %%mm0\n" /* mm0 = 0*As-d As*Rs-d | As*Gs-d As*Bs-d */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1715 "psrlw $8, %%mm0\n" /* mm0 = 0>>8 Rc>>8 | Gc>>8 Bc>>8 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1716 "paddb %%mm1, %%mm0\n" /* mm0 = 0+Ad Rc+Rd | Gc+Gd Bc+Bd */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1717
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1718 "packuswb %%mm0, %%mm0\n" /* mm0 = | Ac Rc Gc Bc */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1719
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1720 "movd %%mm0, (%1)\n" /* result in mm0 */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1721
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1722 : : "r" (srcp), "r" (dstp), "r" (alpha) );
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1723
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1724 }
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1725 ++srcp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1726 ++dstp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1727 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1728 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1729 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1730 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1731 }
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1732
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1733 __asm__ ("emms\n":);
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1734 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1735
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1736 /* End GCC_ASMBLIT*/
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1737
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1738 #elif MSVC_ASMBLIT
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1739 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1740 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1741 BlitRGBtoRGBPixelAlphaMMX3DNOW (SDL_BlitInfo * info)
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1742 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1743 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1744 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1745 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1746 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1747 Uint32 *dstp = (Uint32 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1748 int dstskip = info->d_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1749 SDL_PixelFormat *sf = info->src;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1750 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1751 Uint32 amask = sf->Amask;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1752 Uint32 ashift = sf->Ashift;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1753 Uint64 multmask;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1754
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1755 __m64 src1, dst1, mm_alpha, mm_zero, dmask;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1756
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1757 mm_zero = _mm_setzero_si64 (); /* 0 -> mm_zero */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1758 multmask = ~(0xFFFFi 64 << (ashift * 2));
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1759 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1760
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1761 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1762 /* *INDENT-OFF* */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1763 DUFFS_LOOP4({
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1764 Uint32 alpha;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1765
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1766 _m_prefetch(srcp + 16);
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1767 _m_prefetch(dstp + 16);
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1768
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1769 alpha = *srcp & amask;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1770 if (alpha == 0) {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1771 /* do nothing */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1772 } else if (alpha == amask) {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1773 /* copy RGB, keep dst alpha */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1774 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask);
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1775 } else {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1776 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1777 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1778
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1779 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1780 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1781
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1782 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1783 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1784 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1785 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1786 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1787
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1788 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1789 src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1790 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1791 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1792 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1793 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1794
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1795 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1796 }
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1797 ++srcp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1798 ++dstp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1799 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1800 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1801 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1802 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1803 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1804 _mm_empty ();
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1805 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1806
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1807 /* End MSVC_ASMBLIT */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1808
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1809 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1810
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1811 /* 16bpp special case for per-surface alpha=50%: blend 2 pixels in parallel */
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1812
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1813 /* blend a single 16 bit pixel at 50% */
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1814 #define BLEND16_50(d, s, mask) \
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1815 ((((s & mask) + (d & mask)) >> 1) + (s & d & (~mask & 0xffff)))
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1816
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1817 /* blend two 16 bit pixels at 50% */
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1818 #define BLEND2x16_50(d, s, mask) \
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1819 (((s & (mask | mask << 16)) >> 1) + ((d & (mask | mask << 16)) >> 1) \
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1820 + (s & d & (~(mask | mask << 16))))
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1821
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1822 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1823 Blit16to16SurfaceAlpha128 (SDL_BlitInfo * info, Uint16 mask)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1824 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1825 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1826 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1827 Uint16 *srcp = (Uint16 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1828 int srcskip = info->s_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1829 Uint16 *dstp = (Uint16 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1830 int dstskip = info->d_skip >> 1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1831
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1832 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1833 if (((uintptr_t) srcp ^ (uintptr_t) dstp) & 2) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1834 /*
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1835 * Source and destination not aligned, pipeline it.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1836 * This is mostly a win for big blits but no loss for
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1837 * small ones
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1838 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1839 Uint32 prev_sw;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1840 int w = width;
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1841
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1842 /* handle odd destination */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1843 if ((uintptr_t) dstp & 2) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1844 Uint16 d = *dstp, s = *srcp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1845 *dstp = BLEND16_50 (d, s, mask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1846 dstp++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1847 srcp++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1848 w--;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1849 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1850 srcp++; /* srcp is now 32-bit aligned */
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1851
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1852 /* bootstrap pipeline with first halfword */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1853 prev_sw = ((Uint32 *) srcp)[-1];
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1854
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1855 while (w > 1) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1856 Uint32 sw, dw, s;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1857 sw = *(Uint32 *) srcp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1858 dw = *(Uint32 *) dstp;
1443
9ebbbb4ae53b Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents: 1428
diff changeset
1859 #if SDL_BYTEORDER == SDL_BIG_ENDIAN
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1860 s = (prev_sw << 16) + (sw >> 16);
1443
9ebbbb4ae53b Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents: 1428
diff changeset
1861 #else
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1862 s = (prev_sw >> 16) + (sw << 16);
1443
9ebbbb4ae53b Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents: 1428
diff changeset
1863 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1864 prev_sw = sw;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1865 *(Uint32 *) dstp = BLEND2x16_50 (dw, s, mask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1866 dstp += 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1867 srcp += 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1868 w -= 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1869 }
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1870
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1871 /* final pixel if any */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1872 if (w) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1873 Uint16 d = *dstp, s;
1443
9ebbbb4ae53b Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents: 1428
diff changeset
1874 #if SDL_BYTEORDER == SDL_BIG_ENDIAN
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1875 s = (Uint16) prev_sw;
1443
9ebbbb4ae53b Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents: 1428
diff changeset
1876 #else
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1877 s = (Uint16) (prev_sw >> 16);
1443
9ebbbb4ae53b Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents: 1428
diff changeset
1878 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1879 *dstp = BLEND16_50 (d, s, mask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1880 srcp++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1881 dstp++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1882 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1883 srcp += srcskip - 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1884 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1885 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1886 /* source and destination are aligned */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1887 int w = width;
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1888
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1889 /* first odd pixel? */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1890 if ((uintptr_t) srcp & 2) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1891 Uint16 d = *dstp, s = *srcp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1892 *dstp = BLEND16_50 (d, s, mask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1893 srcp++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1894 dstp++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1895 w--;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1896 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1897 /* srcp and dstp are now 32-bit aligned */
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1898
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1899 while (w > 1) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1900 Uint32 sw = *(Uint32 *) srcp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1901 Uint32 dw = *(Uint32 *) dstp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1902 *(Uint32 *) dstp = BLEND2x16_50 (dw, sw, mask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1903 srcp += 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1904 dstp += 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1905 w -= 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1906 }
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1907
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1908 /* last odd pixel? */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1909 if (w) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1910 Uint16 d = *dstp, s = *srcp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1911 *dstp = BLEND16_50 (d, s, mask);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1912 srcp++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1913 dstp++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1914 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1915 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1916 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1917 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1918 }
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1919 }
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
1920
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1921 #if GCC_ASMBLIT
689
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parents: 297
diff changeset
1922 /* fast RGB565->RGB565 blending with surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1923 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1924 Blit565to565SurfaceAlphaMMX (SDL_BlitInfo * info)
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1925 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1926 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1927 if (alpha == 128) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1928 Blit16to16SurfaceAlpha128 (info, 0xf7de);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1929 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1930 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1931 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1932 Uint16 *srcp = (Uint16 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1933 int srcskip = info->s_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1934 Uint16 *dstp = (Uint16 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1935 int dstskip = info->d_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1936 Uint32 s, d;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1937 Uint8 load[8];
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1938
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1939 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1940 *(Uint64 *) load = alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1941 alpha >>= 3; /* downscale alpha to 5 bits */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1942
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1943 movq_m2r (*load, mm0); /* alpha(0000000A) -> mm0 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1944 punpcklwd_r2r (mm0, mm0); /* 00000A0A -> mm0 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1945 punpcklwd_r2r (mm0, mm0); /* 0A0A0A0A -> mm0 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1946 /* position alpha to allow for mullo and mulhi on diff channels
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1947 to reduce the number of operations */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1948 psllq_i2r (3, mm0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1949
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1950 /* Setup the 565 color channel masks */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1951 *(Uint64 *) load = 0x07E007E007E007E0ULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1952 movq_m2r (*load, mm4); /* MASKGREEN -> mm4 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1953 *(Uint64 *) load = 0x001F001F001F001FULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1954 movq_m2r (*load, mm7); /* MASKBLUE -> mm7 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1955 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
1956 /* *INDENT-OFF* */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1957 DUFFS_LOOP_QUATRO2(
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1958 {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1959 s = *srcp++;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
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parents: 297
diff changeset
1960 d = *dstp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1961 /*
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1962 * shift out the middle component (green) to
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1963 * the high 16 bits, and process all three RGB
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1964 * components at the same time.
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1965 */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
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parents: 297
diff changeset
1966 s = (s | s << 16) & 0x07e0f81f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
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parents: 297
diff changeset
1967 d = (d | d << 16) & 0x07e0f81f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1968 d += (s - d) * alpha >> 5;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1969 d &= 0x07e0f81f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1970 *dstp++ = d | d >> 16;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1971 },{
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1972 s = *srcp++;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
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diff changeset
1973 d = *dstp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1974 /*
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1975 * shift out the middle component (green) to
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1976 * the high 16 bits, and process all three RGB
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1977 * components at the same time.
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1978 */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1979 s = (s | s << 16) & 0x07e0f81f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1980 d = (d | d << 16) & 0x07e0f81f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1981 d += (s - d) * alpha >> 5;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1982 d &= 0x07e0f81f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1983 *dstp++ = d | d >> 16;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1984 s = *srcp++;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1985 d = *dstp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1986 /*
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1987 * shift out the middle component (green) to
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1988 * the high 16 bits, and process all three RGB
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1989 * components at the same time.
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1990 */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1991 s = (s | s << 16) & 0x07e0f81f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1992 d = (d | d << 16) & 0x07e0f81f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1993 d += (s - d) * alpha >> 5;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1994 d &= 0x07e0f81f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1995 *dstp++ = d | d >> 16;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1996 },{
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1997 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1998 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
1999
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2000 /* red -- does not need a mask since the right shift clears
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2001 the uninteresting bits */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2002 movq_r2r(mm2, mm5); /* src -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2003 movq_r2r(mm3, mm6); /* dst -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2004 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 [000r 000r 000r 000r] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2005 psrlw_i2r(11, mm6); /* mm6 >> 11 -> mm6 [000r 000r 000r 000r] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2006
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2007 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2008 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2009 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2010 /* alpha used is actually 11 bits
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2011 11 + 5 = 16 bits, so the sign bits are lost */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2012 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2013 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2014 psllw_i2r(11, mm6); /* mm6 << 11 -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2015
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2016 movq_r2r(mm6, mm1); /* save new reds in dsts */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2017
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2018 /* green -- process the bits in place */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2019 movq_r2r(mm2, mm5); /* src -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2020 movq_r2r(mm3, mm6); /* dst -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2021 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2022 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2023
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2024 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2025 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2026 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2027 /* 11 + 11 - 16 = 6 bits, so all the lower uninteresting
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2028 bits are gone and the sign bits present */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2029 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2030 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2031
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2032 por_r2r(mm6, mm1); /* save new greens in dsts */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2033
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2034 /* blue */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2035 movq_r2r(mm2, mm5); /* src -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2036 movq_r2r(mm3, mm6); /* dst -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2037 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2038 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2039
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2040 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2041 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2042 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2043 /* 11 + 5 = 16 bits, so the sign bits are lost and
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2044 the interesting bits will need to be MASKed */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2045 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2046 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2047 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2048
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2049 por_r2r(mm6, mm1); /* save new blues in dsts */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2050
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2051 movq_r2m(mm1, *dstp); /* mm1 -> 4 dst pixels */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2052
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2053 srcp += 4;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2054 dstp += 4;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2055 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2056 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2057 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2058 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2059 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2060 emms ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2061 }
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2062 }
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2063
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2064 /* fast RGB555->RGB555 blending with surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2065 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2066 Blit555to555SurfaceAlphaMMX (SDL_BlitInfo * info)
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2067 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2068 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2069 if (alpha == 128) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2070 Blit16to16SurfaceAlpha128 (info, 0xfbde);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2071 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2072 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2073 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2074 Uint16 *srcp = (Uint16 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2075 int srcskip = info->s_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2076 Uint16 *dstp = (Uint16 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2077 int dstskip = info->d_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2078 Uint32 s, d;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2079 Uint8 load[8];
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2080
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2081 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2082 *(Uint64 *) load = alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2083 alpha >>= 3; /* downscale alpha to 5 bits */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2084
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2085 movq_m2r (*load, mm0); /* alpha(0000000A) -> mm0 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2086 punpcklwd_r2r (mm0, mm0); /* 00000A0A -> mm0 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2087 punpcklwd_r2r (mm0, mm0); /* 0A0A0A0A -> mm0 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2088 /* position alpha to allow for mullo and mulhi on diff channels
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2089 to reduce the number of operations */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2090 psllq_i2r (3, mm0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2091
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2092 /* Setup the 555 color channel masks */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2093 *(Uint64 *) load = 0x03E003E003E003E0ULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2094 movq_m2r (*load, mm4); /* MASKGREEN -> mm4 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2095 *(Uint64 *) load = 0x001F001F001F001FULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2096 movq_m2r (*load, mm7); /* MASKBLUE -> mm7 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2097 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2098 /* *INDENT-OFF* */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2099 DUFFS_LOOP_QUATRO2(
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2100 {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2101 s = *srcp++;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2102 d = *dstp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2103 /*
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2104 * shift out the middle component (green) to
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2105 * the high 16 bits, and process all three RGB
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2106 * components at the same time.
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2107 */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2108 s = (s | s << 16) & 0x03e07c1f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2109 d = (d | d << 16) & 0x03e07c1f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2110 d += (s - d) * alpha >> 5;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2111 d &= 0x03e07c1f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2112 *dstp++ = d | d >> 16;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2113 },{
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2114 s = *srcp++;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2115 d = *dstp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2116 /*
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2117 * shift out the middle component (green) to
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2118 * the high 16 bits, and process all three RGB
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2119 * components at the same time.
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2120 */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2121 s = (s | s << 16) & 0x03e07c1f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2122 d = (d | d << 16) & 0x03e07c1f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2123 d += (s - d) * alpha >> 5;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2124 d &= 0x03e07c1f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2125 *dstp++ = d | d >> 16;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2126 s = *srcp++;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2127 d = *dstp;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2128 /*
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2129 * shift out the middle component (green) to
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2130 * the high 16 bits, and process all three RGB
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2131 * components at the same time.
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2132 */
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2133 s = (s | s << 16) & 0x03e07c1f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2134 d = (d | d << 16) & 0x03e07c1f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2135 d += (s - d) * alpha >> 5;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2136 d &= 0x03e07c1f;
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2137 *dstp++ = d | d >> 16;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2138 },{
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2139 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2140 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2141
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2142 /* red -- process the bits in place */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2143 psllq_i2r(5, mm4); /* turn MASKGREEN into MASKRED */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2144 /* by reusing the GREEN mask we free up another mmx
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2145 register to accumulate the result */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2146
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2147 movq_r2r(mm2, mm5); /* src -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2148 movq_r2r(mm3, mm6); /* dst -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2149 pand_r2r(mm4, mm5); /* src & MASKRED -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2150 pand_r2r(mm4, mm6); /* dst & MASKRED -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2151
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2152 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2153 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2154 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2155 /* 11 + 15 - 16 = 10 bits, uninteresting bits will be
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2156 cleared by a MASK below */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2157 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2158 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2159 pand_r2r(mm4, mm6); /* mm6 & MASKRED -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2160
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2161 psrlq_i2r(5, mm4); /* turn MASKRED back into MASKGREEN */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2162
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2163 movq_r2r(mm6, mm1); /* save new reds in dsts */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2164
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2165 /* green -- process the bits in place */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2166 movq_r2r(mm2, mm5); /* src -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2167 movq_r2r(mm3, mm6); /* dst -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2168 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2169 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2170
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2171 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2172 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2173 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2174 /* 11 + 10 - 16 = 5 bits, so all the lower uninteresting
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2175 bits are gone and the sign bits present */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2176 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2177 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2178
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2179 por_r2r(mm6, mm1); /* save new greens in dsts */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2180
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2181 /* blue */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2182 movq_r2r(mm2, mm5); /* src -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2183 movq_r2r(mm3, mm6); /* dst -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2184 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2185 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2186
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2187 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2188 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2189 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2190 /* 11 + 5 = 16 bits, so the sign bits are lost and
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2191 the interesting bits will need to be MASKed */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2192 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2193 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2194 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2195
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2196 por_r2r(mm6, mm1); /* save new blues in dsts */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2197
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2198 movq_r2m(mm1, *dstp);/* mm1 -> 4 dst pixels */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2199
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2200 srcp += 4;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2201 dstp += 4;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2202 }, width);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2203 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2204 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2205 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2206 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2207 emms ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2208 }
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2209 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2210
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2211 /* End GCC_ASMBLIT */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2212
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2213 #elif MSVC_ASMBLIT
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2214 /* fast RGB565->RGB565 blending with surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2215 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2216 Blit565to565SurfaceAlphaMMX (SDL_BlitInfo * info)
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2217 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2218 unsigned alpha = info->src->alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2219 if (alpha == 128) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2220 Blit16to16SurfaceAlpha128 (info, 0xf7de);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2221 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2222 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2223 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2224 Uint16 *srcp = (Uint16 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2225 int srcskip = info->s_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2226 Uint16 *dstp = (Uint16 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2227 int dstskip = info->d_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2228 Uint32 s, d;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2229
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2230 __m64 src1, dst1, src2, dst2, gmask, bmask, mm_res, mm_alpha;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2231
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2232 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2233 mm_alpha = _mm_set_pi32 (0, alpha); /* 0000000A -> mm_alpha */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2234 alpha >>= 3; /* downscale alpha to 5 bits */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2235
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2236 mm_alpha = _mm_unpacklo_pi16 (mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2237 mm_alpha = _mm_unpacklo_pi32 (mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2238 /* position alpha to allow for mullo and mulhi on diff channels
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2239 to reduce the number of operations */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2240 mm_alpha = _mm_slli_si64 (mm_alpha, 3);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2241
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2242 /* Setup the 565 color channel masks */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2243 gmask = _mm_set_pi32 (0x07E007E0, 0x07E007E0); /* MASKGREEN -> gmask */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2244 bmask = _mm_set_pi32 (0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2245
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2246 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2247 /* *INDENT-OFF* */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2248 DUFFS_LOOP_QUATRO2(
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2249 {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2250 s = *srcp++;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2251 d = *dstp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2252 /*
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2253 * shift out the middle component (green) to
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2254 * the high 16 bits, and process all three RGB
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2255 * components at the same time.
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2256 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2257 s = (s | s << 16) & 0x07e0f81f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2258 d = (d | d << 16) & 0x07e0f81f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2259 d += (s - d) * alpha >> 5;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2260 d &= 0x07e0f81f;
1546
4b835e36633d *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1542
diff changeset
2261 *dstp++ = (Uint16)(d | d >> 16);
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2262 },{
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2263 s = *srcp++;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2264 d = *dstp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2265 /*
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2266 * shift out the middle component (green) to
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2267 * the high 16 bits, and process all three RGB
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2268 * components at the same time.
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2269 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2270 s = (s | s << 16) & 0x07e0f81f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2271 d = (d | d << 16) & 0x07e0f81f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2272 d += (s - d) * alpha >> 5;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2273 d &= 0x07e0f81f;
1546
4b835e36633d *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1542
diff changeset
2274 *dstp++ = (Uint16)(d | d >> 16);
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2275 s = *srcp++;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2276 d = *dstp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2277 /*
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2278 * shift out the middle component (green) to
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2279 * the high 16 bits, and process all three RGB
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2280 * components at the same time.
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2281 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2282 s = (s | s << 16) & 0x07e0f81f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2283 d = (d | d << 16) & 0x07e0f81f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2284 d += (s - d) * alpha >> 5;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2285 d &= 0x07e0f81f;
1546
4b835e36633d *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1542
diff changeset
2286 *dstp++ = (Uint16)(d | d >> 16);
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2287 },{
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2288 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2289 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2290
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2291 /* red */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2292 src2 = src1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2293 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 [000r 000r 000r 000r] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2294
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2295 dst2 = dst1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2296 dst2 = _mm_srli_pi16(dst2, 11); /* dst2 >> 11 -> dst2 [000r 000r 000r 000r] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2297
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2298 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2299 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2300 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2301 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2302 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2303 dst2 = _mm_slli_pi16(dst2, 11); /* dst2 << 11 -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2304
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2305 mm_res = dst2; /* RED -> mm_res */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2306
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2307 /* green -- process the bits in place */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2308 src2 = src1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2309 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2310
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2311 dst2 = dst1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2312 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2313
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2314 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2315 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2316 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2317 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2318 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2319
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2320 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2321
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2322 /* blue */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2323 src2 = src1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2324 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2325
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2326 dst2 = dst1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2327 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2328
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2329 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2330 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2331 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2332 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2333 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2334 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2335
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2336 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2337
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2338 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2339
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2340 srcp += 4;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2341 dstp += 4;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2342 }, width);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2343 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2344 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2345 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2346 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2347 _mm_empty ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2348 }
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2349 }
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2350
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2351 /* fast RGB555->RGB555 blending with surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2352 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2353 Blit555to555SurfaceAlphaMMX (SDL_BlitInfo * info)
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2354 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2355 unsigned alpha = info->src->alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2356 if (alpha == 128) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2357 Blit16to16SurfaceAlpha128 (info, 0xfbde);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2358 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2359 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2360 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2361 Uint16 *srcp = (Uint16 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2362 int srcskip = info->s_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2363 Uint16 *dstp = (Uint16 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2364 int dstskip = info->d_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2365 Uint32 s, d;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2366
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2367 __m64 src1, dst1, src2, dst2, rmask, gmask, bmask, mm_res, mm_alpha;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2368
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2369 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2370 mm_alpha = _mm_set_pi32 (0, alpha); /* 0000000A -> mm_alpha */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2371 alpha >>= 3; /* downscale alpha to 5 bits */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2372
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2373 mm_alpha = _mm_unpacklo_pi16 (mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2374 mm_alpha = _mm_unpacklo_pi32 (mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2375 /* position alpha to allow for mullo and mulhi on diff channels
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2376 to reduce the number of operations */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2377 mm_alpha = _mm_slli_si64 (mm_alpha, 3);
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2378
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2379 /* Setup the 555 color channel masks */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2380 rmask = _mm_set_pi32 (0x7C007C00, 0x7C007C00); /* MASKRED -> rmask */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2381 gmask = _mm_set_pi32 (0x03E003E0, 0x03E003E0); /* MASKGREEN -> gmask */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2382 bmask = _mm_set_pi32 (0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2383
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2384 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2385 /* *INDENT-OFF* */
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2386 DUFFS_LOOP_QUATRO2(
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2387 {
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2388 s = *srcp++;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2389 d = *dstp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2390 /*
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2391 * shift out the middle component (green) to
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2392 * the high 16 bits, and process all three RGB
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2393 * components at the same time.
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2394 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2395 s = (s | s << 16) & 0x03e07c1f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2396 d = (d | d << 16) & 0x03e07c1f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2397 d += (s - d) * alpha >> 5;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2398 d &= 0x03e07c1f;
1546
4b835e36633d *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1542
diff changeset
2399 *dstp++ = (Uint16)(d | d >> 16);
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2400 },{
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2401 s = *srcp++;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2402 d = *dstp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2403 /*
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2404 * shift out the middle component (green) to
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2405 * the high 16 bits, and process all three RGB
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2406 * components at the same time.
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2407 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2408 s = (s | s << 16) & 0x03e07c1f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2409 d = (d | d << 16) & 0x03e07c1f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2410 d += (s - d) * alpha >> 5;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2411 d &= 0x03e07c1f;
1546
4b835e36633d *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1542
diff changeset
2412 *dstp++ = (Uint16)(d | d >> 16);
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2413 s = *srcp++;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2414 d = *dstp;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2415 /*
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2416 * shift out the middle component (green) to
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2417 * the high 16 bits, and process all three RGB
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2418 * components at the same time.
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2419 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2420 s = (s | s << 16) & 0x03e07c1f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2421 d = (d | d << 16) & 0x03e07c1f;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2422 d += (s - d) * alpha >> 5;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2423 d &= 0x03e07c1f;
1546
4b835e36633d *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1542
diff changeset
2424 *dstp++ = (Uint16)(d | d >> 16);
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2425 },{
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2426 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2427 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2428
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2429 /* red -- process the bits in place */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2430 src2 = src1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2431 src2 = _mm_and_si64(src2, rmask); /* src & MASKRED -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2432
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2433 dst2 = dst1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2434 dst2 = _mm_and_si64(dst2, rmask); /* dst & MASKRED -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2435
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2436 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2437 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2438 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2439 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2440 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2441 dst2 = _mm_and_si64(dst2, rmask); /* dst2 & MASKRED -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2442
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2443 mm_res = dst2; /* RED -> mm_res */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2444
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2445 /* green -- process the bits in place */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2446 src2 = src1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2447 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2448
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2449 dst2 = dst1;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2450 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2451
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2452 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2453 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2454 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2455 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2456 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2457
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2458 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2459
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2460 /* blue */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2461 src2 = src1; /* src -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2462 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2463
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2464 dst2 = dst1; /* dst -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2465 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2466
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2467 /* blend */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2468 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2469 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2470 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2471 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2472 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2473
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2474 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2475
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2476 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2477
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2478 srcp += 4;
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2479 dstp += 4;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2480 }, width);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2481 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2482 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2483 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2484 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2485 _mm_empty ();
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2486 }
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2487 }
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2488 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2489
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2490 /* fast RGB565->RGB565 blending with surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2491 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2492 Blit565to565SurfaceAlpha (SDL_BlitInfo * info)
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2493 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2494 unsigned alpha = info->src->alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2495 if (alpha == 128) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2496 Blit16to16SurfaceAlpha128 (info, 0xf7de);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2497 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2498 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2499 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2500 Uint16 *srcp = (Uint16 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2501 int srcskip = info->s_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2502 Uint16 *dstp = (Uint16 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2503 int dstskip = info->d_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2504 alpha >>= 3; /* downscale alpha to 5 bits */
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2505
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2506 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2507 /* *INDENT-OFF* */
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2508 DUFFS_LOOP4({
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2509 Uint32 s = *srcp++;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2510 Uint32 d = *dstp;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2511 /*
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2512 * shift out the middle component (green) to
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2513 * the high 16 bits, and process all three RGB
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2514 * components at the same time.
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2515 */
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2516 s = (s | s << 16) & 0x07e0f81f;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2517 d = (d | d << 16) & 0x07e0f81f;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2518 d += (s - d) * alpha >> 5;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2519 d &= 0x07e0f81f;
1428
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
2520 *dstp++ = (Uint16)(d | d >> 16);
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2521 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2522 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2523 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2524 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2525 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2526 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2527 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2528
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2529 /* fast RGB555->RGB555 blending with surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2530 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2531 Blit555to555SurfaceAlpha (SDL_BlitInfo * info)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2532 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2533 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2534 if (alpha == 128) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2535 Blit16to16SurfaceAlpha128 (info, 0xfbde);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2536 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2537 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2538 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2539 Uint16 *srcp = (Uint16 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2540 int srcskip = info->s_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2541 Uint16 *dstp = (Uint16 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2542 int dstskip = info->d_skip >> 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2543 alpha >>= 3; /* downscale alpha to 5 bits */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2544
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2545 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2546 /* *INDENT-OFF* */
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2547 DUFFS_LOOP4({
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2548 Uint32 s = *srcp++;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2549 Uint32 d = *dstp;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2550 /*
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2551 * shift out the middle component (green) to
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2552 * the high 16 bits, and process all three RGB
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2553 * components at the same time.
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2554 */
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2555 s = (s | s << 16) & 0x03e07c1f;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2556 d = (d | d << 16) & 0x03e07c1f;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2557 d += (s - d) * alpha >> 5;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2558 d &= 0x03e07c1f;
1428
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
2559 *dstp++ = (Uint16)(d | d >> 16);
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
2560 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2561 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2562 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2563 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2564 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2565 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2566 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2567
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2568 /* fast ARGB8888->RGB565 blending with pixel alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2569 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2570 BlitARGBto565PixelAlpha (SDL_BlitInfo * info)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2571 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2572 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2573 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2574 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2575 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2576 Uint16 *dstp = (Uint16 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2577 int dstskip = info->d_skip >> 1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2578
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2579 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2580 /* *INDENT-OFF* */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2581 DUFFS_LOOP4({
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2582 Uint32 s = *srcp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2583 unsigned alpha = s >> 27; /* downscale alpha to 5 bits */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2584 /* FIXME: Here we special-case opaque alpha since the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2585 compositioning used (>>8 instead of /255) doesn't handle
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2586 it correctly. Also special-case alpha=0 for speed?
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2587 Benchmark this! */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2588 if(alpha) {
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2589 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) {
1428
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
2590 *dstp = (Uint16)((s >> 8 & 0xf800) + (s >> 5 & 0x7e0) + (s >> 3 & 0x1f));
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2591 } else {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2592 Uint32 d = *dstp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2593 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2594 * convert source and destination to G0RAB65565
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2595 * and blend all components at the same time
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2596 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2597 s = ((s & 0xfc00) << 11) + (s >> 8 & 0xf800)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2598 + (s >> 3 & 0x1f);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2599 d = (d | d << 16) & 0x07e0f81f;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2600 d += (s - d) * alpha >> 5;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2601 d &= 0x07e0f81f;
1428
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
2602 *dstp = (Uint16)(d | d >> 16);
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2603 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2604 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2605 srcp++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2606 dstp++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2607 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2608 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2609 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2610 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2611 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2612 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2613
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2614 /* fast ARGB8888->RGB555 blending with pixel alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2615 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2616 BlitARGBto555PixelAlpha (SDL_BlitInfo * info)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2617 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2618 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2619 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2620 Uint32 *srcp = (Uint32 *) info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2621 int srcskip = info->s_skip >> 2;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2622 Uint16 *dstp = (Uint16 *) info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2623 int dstskip = info->d_skip >> 1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2624
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2625 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2626 /* *INDENT-OFF* */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2627 DUFFS_LOOP4({
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2628 unsigned alpha;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2629 Uint32 s = *srcp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2630 alpha = s >> 27; /* downscale alpha to 5 bits */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2631 /* FIXME: Here we special-case opaque alpha since the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2632 compositioning used (>>8 instead of /255) doesn't handle
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2633 it correctly. Also special-case alpha=0 for speed?
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2634 Benchmark this! */
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2635 if(alpha) {
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2636 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) {
1428
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
2637 *dstp = (Uint16)((s >> 9 & 0x7c00) + (s >> 6 & 0x3e0) + (s >> 3 & 0x1f));
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2638 } else {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2639 Uint32 d = *dstp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2640 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2641 * convert source and destination to G0RAB65565
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2642 * and blend all components at the same time
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2643 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2644 s = ((s & 0xf800) << 10) + (s >> 9 & 0x7c00)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2645 + (s >> 3 & 0x1f);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2646 d = (d | d << 16) & 0x03e07c1f;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2647 d += (s - d) * alpha >> 5;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2648 d &= 0x03e07c1f;
1428
5f52867ba65c Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
2649 *dstp = (Uint16)(d | d >> 16);
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2650 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2651 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2652 srcp++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2653 dstp++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2654 }, width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2655 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2656 srcp += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2657 dstp += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2658 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2659 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2660
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2661 /* General (slow) N->N blending with per-surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2662 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2663 BlitNtoNSurfaceAlpha (SDL_BlitInfo * info)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2664 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2665 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2666 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2667 Uint8 *src = info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2668 int srcskip = info->s_skip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2669 Uint8 *dst = info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2670 int dstskip = info->d_skip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2671 SDL_PixelFormat *srcfmt = info->src;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2672 SDL_PixelFormat *dstfmt = info->dst;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2673 int srcbpp = srcfmt->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2674 int dstbpp = dstfmt->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2675 unsigned sA = srcfmt->alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2676 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2677
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2678 if (sA) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2679 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2680 /* *INDENT-OFF* */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2681 DUFFS_LOOP4(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2682 {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2683 Uint32 Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2684 unsigned sR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2685 unsigned sG;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2686 unsigned sB;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2687 unsigned dR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2688 unsigned dG;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2689 unsigned dB;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2690 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2691 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2692 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2693 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2694 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2695 dst += dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2696 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2697 width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2698 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2699 src += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2700 dst += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2701 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2702 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2703 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2704
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2705 /* General (slow) colorkeyed N->N blending with per-surface alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2706 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2707 BlitNtoNSurfaceAlphaKey (SDL_BlitInfo * info)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2708 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2709 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2710 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2711 Uint8 *src = info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2712 int srcskip = info->s_skip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2713 Uint8 *dst = info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2714 int dstskip = info->d_skip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2715 SDL_PixelFormat *srcfmt = info->src;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2716 SDL_PixelFormat *dstfmt = info->dst;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2717 Uint32 ckey = srcfmt->colorkey;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2718 int srcbpp = srcfmt->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2719 int dstbpp = dstfmt->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2720 unsigned sA = srcfmt->alpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2721 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2722
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2723 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2724 /* *INDENT-OFF* */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2725 DUFFS_LOOP4(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2726 {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2727 Uint32 Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2728 unsigned sR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2729 unsigned sG;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2730 unsigned sB;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2731 unsigned dR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2732 unsigned dG;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2733 unsigned dB;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2734 RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2735 if(sA && Pixel != ckey) {
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2736 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB);
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2737 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2738 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2739 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2740 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2741 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2742 dst += dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2743 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2744 width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2745 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2746 src += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2747 dst += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2748 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2749 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2750
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2751 /* General (slow) N->N blending with pixel alpha */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2752 static void
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2753 BlitNtoNPixelAlpha (SDL_BlitInfo * info)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2754 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2755 int width = info->d_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2756 int height = info->d_height;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2757 Uint8 *src = info->s_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2758 int srcskip = info->s_skip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2759 Uint8 *dst = info->d_pixels;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2760 int dstskip = info->d_skip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2761 SDL_PixelFormat *srcfmt = info->src;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2762 SDL_PixelFormat *dstfmt = info->dst;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2763
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2764 int srcbpp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2765 int dstbpp;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2766
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2767 /* Set up some basic variables */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2768 srcbpp = srcfmt->BytesPerPixel;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2769 dstbpp = dstfmt->BytesPerPixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2770
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2771 /* FIXME: for 8bpp source alpha, this doesn't get opaque values
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2772 quite right. for <8bpp source alpha, it gets them very wrong
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2773 (check all macros!)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2774 It is unclear whether there is a good general solution that doesn't
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2775 need a branch (or a divide). */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2776 while (height--) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2777 /* *INDENT-OFF* */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2778 DUFFS_LOOP4(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2779 {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2780 Uint32 Pixel;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2781 unsigned sR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2782 unsigned sG;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2783 unsigned sB;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2784 unsigned dR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2785 unsigned dG;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2786 unsigned dB;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2787 unsigned sA;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2788 unsigned dA;
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2789 DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, sR, sG, sB, sA);
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2790 if(sA) {
1162
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents: 1047
diff changeset
2791 DISEMBLE_RGBA(dst, dstbpp, dstfmt, Pixel, dR, dG, dB, dA);
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2792 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB);
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2793 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA);
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2794 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2795 src += srcbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2796 dst += dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2797 },
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2798 width);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2799 /* *INDENT-ON* */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2800 src += srcskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2801 dst += dstskip;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2802 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2803 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2804
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2805
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2806 SDL_loblit
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2807 SDL_CalculateAlphaBlit (SDL_Surface * surface, int blit_index)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2808 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2809 SDL_PixelFormat *sf = surface->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2810 SDL_PixelFormat *df = surface->map->dst->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2811
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2812 if (sf->Amask == 0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2813 if ((surface->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2814 if (df->BytesPerPixel == 1)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2815 return BlitNto1SurfaceAlphaKey;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2816 else
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
2817 #if SDL_ALTIVEC_BLITTERS
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2818 if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 &&
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2819 !(surface->map->dst->flags & SDL_HWSURFACE)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2820 && SDL_HasAltiVec ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2821 return Blit32to32SurfaceAlphaKeyAltivec;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2822 else
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
2823 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2824 return BlitNtoNSurfaceAlphaKey;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2825 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2826 /* Per-surface alpha blits */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2827 switch (df->BytesPerPixel) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2828 case 1:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2829 return BlitNto1SurfaceAlpha;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2830
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2831 case 2:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2832 if (surface->map->identity) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2833 if (df->Gmask == 0x7e0) {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
2834 #if MMX_ASMBLIT
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2835 if (SDL_HasMMX ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2836 return Blit565to565SurfaceAlphaMMX;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2837 else
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2838 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2839 return Blit565to565SurfaceAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2840 } else if (df->Gmask == 0x3e0) {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
2841 #if MMX_ASMBLIT
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2842 if (SDL_HasMMX ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2843 return Blit555to555SurfaceAlphaMMX;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2844 else
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2845 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2846 return Blit555to555SurfaceAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2847 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2848 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2849 return BlitNtoNSurfaceAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2850
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2851 case 4:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2852 if (sf->Rmask == df->Rmask
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2853 && sf->Gmask == df->Gmask
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2854 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2855 #if MMX_ASMBLIT
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2856 if (sf->Rshift % 8 == 0
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2857 && sf->Gshift % 8 == 0
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2858 && sf->Bshift % 8 == 0 && SDL_HasMMX ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2859 return BlitRGBtoRGBSurfaceAlphaMMX;
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2860 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2861 if ((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) {
1542
a8bf1aa21020 Fixed bug #15
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
2862 #if SDL_ALTIVEC_BLITTERS
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2863 if (!(surface->map->dst->flags & SDL_HWSURFACE)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2864 && SDL_HasAltiVec ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2865 return BlitRGBtoRGBSurfaceAlphaAltivec;
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2866 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2867 return BlitRGBtoRGBSurfaceAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2868 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2869 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2870 #if SDL_ALTIVEC_BLITTERS
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2871 if ((sf->BytesPerPixel == 4) &&
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2872 !(surface->map->dst->flags & SDL_HWSURFACE)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2873 && SDL_HasAltiVec ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2874 return Blit32to32SurfaceAlphaAltivec;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2875 else
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2876 #endif
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2877 return BlitNtoNSurfaceAlpha;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2878
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2879 case 3:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2880 default:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2881 return BlitNtoNSurfaceAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2882 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2883 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2884 } else {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2885 /* Per-pixel alpha blits */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2886 switch (df->BytesPerPixel) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2887 case 1:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2888 return BlitNto1PixelAlpha;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2889
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2890 case 2:
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
2891 #if SDL_ALTIVEC_BLITTERS
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2892 if (sf->BytesPerPixel == 4
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2893 && !(surface->map->dst->flags & SDL_HWSURFACE)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2894 && df->Gmask == 0x7e0 && df->Bmask == 0x1f
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2895 && SDL_HasAltiVec ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2896 return Blit32to565PixelAlphaAltivec;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2897 else
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
2898 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2899 if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2900 && sf->Gmask == 0xff00
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2901 && ((sf->Rmask == 0xff && df->Rmask == 0x1f)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2902 || (sf->Bmask == 0xff && df->Bmask == 0x1f))) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2903 if (df->Gmask == 0x7e0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2904 return BlitARGBto565PixelAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2905 else if (df->Gmask == 0x3e0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2906 return BlitARGBto555PixelAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2907 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2908 return BlitNtoNPixelAlpha;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2909
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2910 case 4:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2911 if (sf->Rmask == df->Rmask
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2912 && sf->Gmask == df->Gmask
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2913 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
2914 #if MMX_ASMBLIT
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2915 if (sf->Rshift % 8 == 0
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2916 && sf->Gshift % 8 == 0
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2917 && sf->Bshift % 8 == 0
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2918 && sf->Ashift % 8 == 0 && sf->Aloss == 0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2919 if (SDL_Has3DNow ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2920 return BlitRGBtoRGBPixelAlphaMMX3DNOW;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2921 if (SDL_HasMMX ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2922 return BlitRGBtoRGBPixelAlphaMMX;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2923 }
689
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
2924 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2925 if (sf->Amask == 0xff000000) {
1617
b255b4058d37 Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents: 1546
diff changeset
2926 #if SDL_ALTIVEC_BLITTERS
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2927 if (!(surface->map->dst->flags & SDL_HWSURFACE)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2928 && SDL_HasAltiVec ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2929 return BlitRGBtoRGBPixelAlphaAltivec;
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
2930 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2931 return BlitRGBtoRGBPixelAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2932 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2933 }
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
2934 #if SDL_ALTIVEC_BLITTERS
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2935 if (sf->Amask && sf->BytesPerPixel == 4 &&
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2936 !(surface->map->dst->flags & SDL_HWSURFACE)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2937 && SDL_HasAltiVec ())
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2938 return Blit32to32PixelAlphaAltivec;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2939 else
1047
ffaaf7ecf685 Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents: 880
diff changeset
2940 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2941 return BlitNtoNPixelAlpha;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2942
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2943 case 3:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2944 default:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2945 return BlitNtoNPixelAlpha;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2946 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2947 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2948 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2949
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1659
diff changeset
2950 /* vi: set ts=4 sw=4 expandtab: */