Mercurial > sdl-ios-xcode
annotate src/video/SDL_blit_A.c @ 2227:b252359547ed
Exported the software renderer texture functions to make easier to create
a renderer based on a framebuffer.
Fixed an initialization bug with the dummy video display mode.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 11 Aug 2007 23:26:03 +0000 |
| parents | e1a70460c354 |
| children | a353684c7cc1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 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 |
| 0 | 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. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 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 |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 #include "SDL_video.h" | |
| 25 #include "SDL_blit.h" | |
| 26 | |
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27 /* |
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28 In Visual C, VC6 has mmintrin.h in the "Processor Pack" add-on. |
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29 Checking if _mm_free is #defined in malloc.h is is the only way to |
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30 determine if the Processor Pack is installed, as far as I can tell. |
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31 */ |
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32 |
| 1542 | 33 #if SDL_ASSEMBLY_ROUTINES |
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34 # if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) |
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35 # define MMX_ASMBLIT 1 |
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36 # define GCC_ASMBLIT 1 |
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37 # elif defined(_MSC_VER) && defined(_M_IX86) |
| 2141 | 38 # if (_MSC_VER <= 1200) |
| 39 # include <malloc.h> | |
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40 # if defined(_mm_free) |
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41 # define HAVE_MMINTRIN_H 1 |
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42 # endif |
| 2141 | 43 # else /* Visual Studio > VC6 always has mmintrin.h */ |
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44 # define HAVE_MMINTRIN_H 1 |
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45 # endif |
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46 # if HAVE_MMINTRIN_H |
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47 # define MMX_ASMBLIT 1 |
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48 # define MSVC_ASMBLIT 1 |
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49 # endif |
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50 # endif |
| 1542 | 51 #endif /* SDL_ASSEMBLY_ROUTINES */ |
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52 |
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53 /* Function to check the CPU flags */ |
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54 #include "SDL_cpuinfo.h" |
| 1542 | 55 #if GCC_ASMBLIT |
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56 #include "mmx.h" |
| 1542 | 57 #elif MSVC_ASMBLIT |
| 58 #include <mmintrin.h> | |
| 59 #include <mm3dnow.h> | |
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60 #endif |
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61 |
| 0 | 62 /* Functions to perform alpha blended blitting */ |
| 63 | |
| 64 /* N->1 blending with per-surface alpha */ | |
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65 static void |
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66 BlitNto1SurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 67 { |
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68 int width = info->d_width; |
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69 int height = info->d_height; |
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70 Uint8 *src = info->s_pixels; |
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71 int srcskip = info->s_skip; |
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72 Uint8 *dst = info->d_pixels; |
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73 int dstskip = info->d_skip; |
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74 Uint8 *palmap = info->table; |
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75 SDL_PixelFormat *srcfmt = info->src; |
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76 SDL_PixelFormat *dstfmt = info->dst; |
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77 int srcbpp = srcfmt->BytesPerPixel; |
| 0 | 78 |
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79 const unsigned A = srcfmt->alpha; |
| 0 | 80 |
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81 while (height--) { |
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82 /* *INDENT-OFF* */ |
| 0 | 83 DUFFS_LOOP4( |
| 84 { | |
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85 Uint32 Pixel; |
| 0 | 86 unsigned sR; |
| 87 unsigned sG; | |
| 88 unsigned sB; | |
| 89 unsigned dR; | |
| 90 unsigned dG; | |
| 91 unsigned dB; | |
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92 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
| 0 | 93 dR = dstfmt->palette->colors[*dst].r; |
| 94 dG = dstfmt->palette->colors[*dst].g; | |
| 95 dB = dstfmt->palette->colors[*dst].b; | |
| 96 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
| 97 dR &= 0xff; | |
| 98 dG &= 0xff; | |
| 99 dB &= 0xff; | |
| 100 /* Pack RGB into 8bit pixel */ | |
| 101 if ( palmap == NULL ) { | |
| 102 *dst =((dR>>5)<<(3+2))| | |
| 103 ((dG>>5)<<(2))| | |
| 104 ((dB>>6)<<(0)); | |
| 105 } else { | |
| 106 *dst = palmap[((dR>>5)<<(3+2))| | |
| 107 ((dG>>5)<<(2)) | | |
| 108 ((dB>>6)<<(0))]; | |
| 109 } | |
| 110 dst++; | |
| 111 src += srcbpp; | |
| 112 }, | |
| 113 width); | |
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114 /* *INDENT-ON* */ |
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115 src += srcskip; |
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116 dst += dstskip; |
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117 } |
| 0 | 118 } |
| 119 | |
| 120 /* N->1 blending with pixel alpha */ | |
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121 static void |
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122 BlitNto1PixelAlpha(SDL_BlitInfo * info) |
| 0 | 123 { |
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124 int width = info->d_width; |
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125 int height = info->d_height; |
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126 Uint8 *src = info->s_pixels; |
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127 int srcskip = info->s_skip; |
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128 Uint8 *dst = info->d_pixels; |
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129 int dstskip = info->d_skip; |
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130 Uint8 *palmap = info->table; |
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131 SDL_PixelFormat *srcfmt = info->src; |
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132 SDL_PixelFormat *dstfmt = info->dst; |
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133 int srcbpp = srcfmt->BytesPerPixel; |
| 0 | 134 |
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135 /* FIXME: fix alpha bit field expansion here too? */ |
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136 while (height--) { |
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137 /* *INDENT-OFF* */ |
| 0 | 138 DUFFS_LOOP4( |
| 139 { | |
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140 Uint32 Pixel; |
| 0 | 141 unsigned sR; |
| 142 unsigned sG; | |
| 143 unsigned sB; | |
| 144 unsigned sA; | |
| 145 unsigned dR; | |
| 146 unsigned dG; | |
| 147 unsigned dB; | |
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148 DISEMBLE_RGBA(src,srcbpp,srcfmt,Pixel,sR,sG,sB,sA); |
| 0 | 149 dR = dstfmt->palette->colors[*dst].r; |
| 150 dG = dstfmt->palette->colors[*dst].g; | |
| 151 dB = dstfmt->palette->colors[*dst].b; | |
| 152 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); | |
| 153 dR &= 0xff; | |
| 154 dG &= 0xff; | |
| 155 dB &= 0xff; | |
| 156 /* Pack RGB into 8bit pixel */ | |
| 157 if ( palmap == NULL ) { | |
| 158 *dst =((dR>>5)<<(3+2))| | |
| 159 ((dG>>5)<<(2))| | |
| 160 ((dB>>6)<<(0)); | |
| 161 } else { | |
| 162 *dst = palmap[((dR>>5)<<(3+2))| | |
| 163 ((dG>>5)<<(2)) | | |
| 164 ((dB>>6)<<(0)) ]; | |
| 165 } | |
| 166 dst++; | |
| 167 src += srcbpp; | |
| 168 }, | |
| 169 width); | |
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170 /* *INDENT-ON* */ |
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171 src += srcskip; |
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172 dst += dstskip; |
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173 } |
| 0 | 174 } |
| 175 | |
| 176 /* colorkeyed N->1 blending with per-surface alpha */ | |
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177 static void |
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178 BlitNto1SurfaceAlphaKey(SDL_BlitInfo * info) |
| 0 | 179 { |
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180 int width = info->d_width; |
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181 int height = info->d_height; |
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182 Uint8 *src = info->s_pixels; |
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183 int srcskip = info->s_skip; |
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184 Uint8 *dst = info->d_pixels; |
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185 int dstskip = info->d_skip; |
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186 Uint8 *palmap = info->table; |
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187 SDL_PixelFormat *srcfmt = info->src; |
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188 SDL_PixelFormat *dstfmt = info->dst; |
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189 int srcbpp = srcfmt->BytesPerPixel; |
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190 Uint32 ckey = srcfmt->colorkey; |
| 0 | 191 |
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192 const int A = srcfmt->alpha; |
| 0 | 193 |
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194 while (height--) { |
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195 /* *INDENT-OFF* */ |
| 0 | 196 DUFFS_LOOP( |
| 197 { | |
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198 Uint32 Pixel; |
| 0 | 199 unsigned sR; |
| 200 unsigned sG; | |
| 201 unsigned sB; | |
| 202 unsigned dR; | |
| 203 unsigned dG; | |
| 204 unsigned dB; | |
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205 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
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206 if ( Pixel != ckey ) { |
| 0 | 207 dR = dstfmt->palette->colors[*dst].r; |
| 208 dG = dstfmt->palette->colors[*dst].g; | |
| 209 dB = dstfmt->palette->colors[*dst].b; | |
| 210 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
| 211 dR &= 0xff; | |
| 212 dG &= 0xff; | |
| 213 dB &= 0xff; | |
| 214 /* Pack RGB into 8bit pixel */ | |
| 215 if ( palmap == NULL ) { | |
| 216 *dst =((dR>>5)<<(3+2))| | |
| 217 ((dG>>5)<<(2)) | | |
| 218 ((dB>>6)<<(0)); | |
| 219 } else { | |
| 220 *dst = palmap[((dR>>5)<<(3+2))| | |
| 221 ((dG>>5)<<(2)) | | |
| 222 ((dB>>6)<<(0)) ]; | |
| 223 } | |
| 224 } | |
| 225 dst++; | |
| 226 src += srcbpp; | |
| 227 }, | |
| 228 width); | |
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229 /* *INDENT-ON* */ |
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230 src += srcskip; |
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231 dst += dstskip; |
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232 } |
| 0 | 233 } |
| 234 | |
| 1542 | 235 #if GCC_ASMBLIT |
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236 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
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237 static void |
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238 BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo * info) |
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239 { |
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240 int width = info->d_width; |
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241 int height = info->d_height; |
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242 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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243 int srcskip = info->s_skip >> 2; |
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244 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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245 int dstskip = info->d_skip >> 2; |
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246 Uint32 dalpha = info->dst->Amask; |
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247 Uint8 load[8]; |
| 1542 | 248 |
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249 *(Uint64 *) load = 0x00fefefe00fefefeULL; /* alpha128 mask */ |
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250 movq_m2r(*load, mm4); /* alpha128 mask -> mm4 */ |
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251 *(Uint64 *) load = 0x0001010100010101ULL; /* !alpha128 mask */ |
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252 movq_m2r(*load, mm3); /* !alpha128 mask -> mm3 */ |
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253 movd_m2r(dalpha, mm7); /* dst alpha mask */ |
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254 punpckldq_r2r(mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */ |
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255 while (height--) { |
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256 /* *INDENT-OFF* */ |
| 1542 | 257 DUFFS_LOOP_DOUBLE2( |
| 258 { | |
| 259 Uint32 s = *srcp++; | |
| 260 Uint32 d = *dstp; | |
| 261 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) | |
| 262 + (s & d & 0x00010101)) | dalpha; | |
| 263 },{ | |
| 264 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */ | |
| 265 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */ | |
| 266 | |
| 267 movq_m2r((*srcp), mm1);/* 2 x src -> mm1(ARGBARGB) */ | |
| 268 movq_r2r(mm1, mm5); /* 2 x src -> mm5(ARGBARGB) */ | |
| 269 | |
| 270 pand_r2r(mm4, mm6); /* dst & mask -> mm6 */ | |
| 271 pand_r2r(mm4, mm5); /* src & mask -> mm5 */ | |
| 272 paddd_r2r(mm6, mm5); /* mm6 + mm5 -> mm5 */ | |
| 273 pand_r2r(mm1, mm2); /* src & dst -> mm2 */ | |
| 274 psrld_i2r(1, mm5); /* mm5 >> 1 -> mm5 */ | |
| 275 pand_r2r(mm3, mm2); /* mm2 & !mask -> mm2 */ | |
| 276 paddd_r2r(mm5, mm2); /* mm5 + mm2 -> mm2 */ | |
| 277 | |
| 278 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ | |
| 279 movq_r2m(mm2, (*dstp));/* mm2 -> 2 x dst pixels */ | |
| 280 dstp += 2; | |
| 281 srcp += 2; | |
| 282 }, width); | |
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283 /* *INDENT-ON* */ |
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284 srcp += srcskip; |
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285 dstp += dstskip; |
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286 } |
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287 emms(); |
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288 } |
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289 |
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290 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
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291 static void |
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292 BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo * info) |
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293 { |
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294 SDL_PixelFormat *df = info->dst; |
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295 unsigned alpha = info->src->alpha; |
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296 |
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297 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { |
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298 /* only call a128 version when R,G,B occupy lower bits */ |
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299 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
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300 } else { |
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301 int width = info->d_width; |
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302 int height = info->d_height; |
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303 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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304 int srcskip = info->s_skip >> 2; |
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305 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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306 int dstskip = info->d_skip >> 2; |
| 1542 | 307 |
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308 pxor_r2r(mm5, mm5); /* 0 -> mm5 */ |
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309 /* form the alpha mult */ |
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310 movd_m2r(alpha, mm4); /* 0000000A -> mm4 */ |
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311 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ |
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312 punpckldq_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ |
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313 alpha = |
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314 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df-> |
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315 Bshift); |
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316 movd_m2r(alpha, mm0); /* 00000FFF -> mm0 */ |
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317 punpcklbw_r2r(mm0, mm0); /* 00FFFFFF -> mm0 */ |
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318 pand_r2r(mm0, mm4); /* 0A0A0A0A -> mm4, minus 1 chan */ |
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319 /* at this point mm4 can be 000A0A0A or 0A0A0A00 or another combo */ |
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320 movd_m2r(df->Amask, mm7); /* dst alpha mask */ |
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321 punpckldq_r2r(mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */ |
| 1542 | 322 |
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323 while (height--) { |
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324 /* *INDENT-OFF* */ |
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325 DUFFS_LOOP_DOUBLE2({ |
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326 /* One Pixel Blend */ |
| 1542 | 327 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ |
| 328 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 329 punpcklbw_r2r(mm5, mm1); /* 0A0R0G0B -> mm1(src) */ | |
| 330 punpcklbw_r2r(mm5, mm2); /* 0A0R0G0B -> mm2(dst) */ | |
| 331 | |
| 332 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ | |
| 333 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 334 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */ | |
| 335 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ | |
| 336 | |
| 337 packuswb_r2r(mm5, mm2); /* ARGBARGB -> mm2 */ | |
| 338 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ | |
| 339 movd_r2m(mm2, *dstp);/* mm2 -> pixel */ | |
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340 ++srcp; |
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341 ++dstp; |
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342 },{ |
| 1542 | 343 /* Two Pixels Blend */ |
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344 movq_m2r((*srcp), mm0);/* 2 x src -> mm0(ARGBARGB)*/ |
| 1542 | 345 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */ |
| 346 movq_r2r(mm0, mm1); /* 2 x src -> mm1(ARGBARGB) */ | |
| 347 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */ | |
| 348 | |
| 349 punpcklbw_r2r(mm5, mm0); /* low - 0A0R0G0B -> mm0(src1) */ | |
| 350 punpckhbw_r2r(mm5, mm1); /* high - 0A0R0G0B -> mm1(src2) */ | |
| 351 punpcklbw_r2r(mm5, mm2); /* low - 0A0R0G0B -> mm2(dst1) */ | |
| 352 punpckhbw_r2r(mm5, mm6); /* high - 0A0R0G0B -> mm6(dst2) */ | |
| 353 | |
| 354 psubw_r2r(mm2, mm0);/* src1 - dst1 -> mm0 */ | |
| 355 pmullw_r2r(mm4, mm0); /* mm0 * alpha -> mm0 */ | |
| 356 psrlw_i2r(8, mm0); /* mm0 >> 8 -> mm1 */ | |
| 357 paddb_r2r(mm0, mm2); /* mm0 + mm2(dst1) -> mm2 */ | |
| 358 | |
| 359 psubw_r2r(mm6, mm1);/* src2 - dst2 -> mm1 */ | |
| 360 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 361 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */ | |
| 362 paddb_r2r(mm1, mm6); /* mm1 + mm6(dst2) -> mm6 */ | |
| 363 | |
| 364 packuswb_r2r(mm6, mm2); /* ARGBARGB -> mm2 */ | |
| 365 por_r2r(mm7, mm2); /* mm7(dst alpha) | mm2 -> mm2 */ | |
| 366 | |
| 367 movq_r2m(mm2, *dstp);/* mm2 -> 2 x pixel */ | |
| 368 | |
| 369 srcp += 2; | |
| 370 dstp += 2; | |
| 371 }, width); | |
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372 /* *INDENT-ON* */ |
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373 srcp += srcskip; |
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374 dstp += dstskip; |
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375 } |
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376 emms(); |
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377 } |
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378 } |
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379 |
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380 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
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381 static void |
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382 BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo * info) |
|
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383 { |
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384 int width = info->d_width; |
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385 int height = info->d_height; |
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386 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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387 int srcskip = info->s_skip >> 2; |
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388 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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389 int dstskip = info->d_skip >> 2; |
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390 SDL_PixelFormat *sf = info->src; |
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391 Uint32 amask = sf->Amask; |
| 1542 | 392 |
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393 pxor_r2r(mm6, mm6); /* 0 -> mm6 */ |
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394 /* form multiplication mask */ |
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395 movd_m2r(sf->Amask, mm7); /* 0000F000 -> mm7 */ |
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396 punpcklbw_r2r(mm7, mm7); /* FF000000 -> mm7 */ |
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397 pcmpeqb_r2r(mm0, mm0); /* FFFFFFFF -> mm0 */ |
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398 movq_r2r(mm0, mm3); /* FFFFFFFF -> mm3 (for later) */ |
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399 pxor_r2r(mm0, mm7); /* 00FFFFFF -> mm7 (mult mask) */ |
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400 /* form channel masks */ |
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401 movq_r2r(mm7, mm0); /* 00FFFFFF -> mm0 */ |
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402 packsswb_r2r(mm6, mm0); /* 00000FFF -> mm0 (channel mask) */ |
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403 packsswb_r2r(mm6, mm3); /* 0000FFFF -> mm3 */ |
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404 pxor_r2r(mm0, mm3); /* 0000F000 -> mm3 (~channel mask) */ |
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405 /* get alpha channel shift */ |
| 2120 | 406 /* *INDENT-OFF* */ |
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407 __asm__ __volatile__ ( |
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408 "movd %0, %%mm5" |
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409 : : "rm" ((Uint32) sf->Ashift) ); /* Ashift -> mm5 */ |
| 2120 | 410 /* *INDENT-ON* */ |
| 1542 | 411 |
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412 while (height--) { |
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413 /* *INDENT-OFF* */ |
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414 DUFFS_LOOP4({ |
| 1542 | 415 Uint32 alpha = *srcp & amask; |
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416 /* FIXME: Here we special-case opaque alpha since the |
| 1542 | 417 compositioning used (>>8 instead of /255) doesn't handle |
| 418 it correctly. Also special-case alpha=0 for speed? | |
| 419 Benchmark this! */ | |
| 420 if(alpha == 0) { | |
| 421 /* do nothing */ | |
| 422 } else if(alpha == amask) { | |
| 423 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 424 /* using MMX here to free up regular registers for other things */ | |
| 425 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 426 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 427 pand_r2r(mm0, mm1); /* src & chanmask -> mm1 */ | |
| 428 pand_r2r(mm3, mm2); /* dst & ~chanmask -> mm2 */ | |
| 429 por_r2r(mm1, mm2); /* src | dst -> mm2 */ | |
| 430 movd_r2m(mm2, (*dstp)); /* mm2 -> dst */ | |
| 431 } else { | |
| 432 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 433 punpcklbw_r2r(mm6, mm1); /* 0A0R0G0B -> mm1 */ | |
| 434 | |
| 435 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 436 punpcklbw_r2r(mm6, mm2); /* 0A0R0G0B -> mm2 */ | |
| 437 | |
| 438 __asm__ __volatile__ ( | |
| 439 "movd %0, %%mm4" | |
| 440 : : "r" (alpha) ); /* 0000A000 -> mm4 */ | |
| 441 psrld_r2r(mm5, mm4); /* mm4 >> mm5 -> mm4 (0000000A) */ | |
| 442 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ | |
| 443 punpcklwd_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ | |
| 444 pand_r2r(mm7, mm4); /* 000A0A0A -> mm4, preserve dst alpha on add */ | |
| 445 | |
| 446 /* blend */ | |
| 447 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ | |
| 448 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 449 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1(000R0G0B) */ | |
| 450 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ | |
| 451 | |
| 452 packuswb_r2r(mm6, mm2); /* 0000ARGB -> mm2 */ | |
| 453 movd_r2m(mm2, *dstp);/* mm2 -> dst */ | |
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454 } |
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455 ++srcp; |
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456 ++dstp; |
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457 }, width); |
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458 /* *INDENT-ON* */ |
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459 srcp += srcskip; |
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460 dstp += dstskip; |
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461 } |
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462 emms(); |
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463 } |
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464 |
| 1542 | 465 /* End GCC_ASMBLIT */ |
| 466 | |
| 467 #elif MSVC_ASMBLIT | |
| 468 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ | |
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469 static void |
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470 BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo * info) |
| 1542 | 471 { |
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472 int width = info->d_width; |
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473 int height = info->d_height; |
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474 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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475 int srcskip = info->s_skip >> 2; |
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476 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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477 int dstskip = info->d_skip >> 2; |
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478 Uint32 dalpha = info->dst->Amask; |
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479 |
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480 __m64 src1, src2, dst1, dst2, lmask, hmask, dsta; |
| 1542 | 481 |
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482 hmask = _mm_set_pi32(0x00fefefe, 0x00fefefe); /* alpha128 mask -> hmask */ |
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483 lmask = _mm_set_pi32(0x00010101, 0x00010101); /* !alpha128 mask -> lmask */ |
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484 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
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485 |
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486 while (height--) { |
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487 int n = width; |
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488 if (n & 1) { |
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489 Uint32 s = *srcp++; |
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490 Uint32 d = *dstp; |
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491 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
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492 + (s & d & 0x00010101)) | dalpha; |
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493 n--; |
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494 } |
| 1542 | 495 |
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496 for (n >>= 1; n > 0; --n) { |
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497 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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498 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
| 1542 | 499 |
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500 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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501 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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502 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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503 dst2 = _mm_and_si64(dst2, hmask); /* dst & mask -> dst2 */ |
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504 src2 = _mm_and_si64(src2, hmask); /* src & mask -> src2 */ |
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505 src2 = _mm_add_pi32(src2, dst2); /* dst2 + src2 -> src2 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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506 src2 = _mm_srli_pi32(src2, 1); /* src2 >> 1 -> src2 */ |
| 1542 | 507 |
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508 dst1 = _mm_and_si64(dst1, src1); /* src & dst -> dst1 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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509 dst1 = _mm_and_si64(dst1, lmask); /* dst1 & !mask -> dst1 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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510 dst1 = _mm_add_pi32(dst1, src2); /* src2 + dst1 -> dst1 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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511 dst1 = _mm_or_si64(dst1, dsta); /* dsta(full alpha) | dst1 -> dst1 */ |
| 1542 | 512 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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513 *(__m64 *) dstp = dst1; /* dst1 -> 2 x dst pixels */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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514 dstp += 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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515 srcp += 2; |
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516 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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517 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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518 srcp += srcskip; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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519 dstp += dstskip; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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520 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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521 _mm_empty(); |
| 1542 | 522 } |
| 523 | |
| 524 /* fast RGB888->(A)RGB888 blending with surface alpha */ | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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525 static void |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
526 BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 527 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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528 SDL_PixelFormat *df = info->dst; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
529 Uint32 chanmask = df->Rmask | df->Gmask | df->Bmask; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
530 unsigned alpha = info->src->alpha; |
| 1542 | 531 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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532 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
533 /* only call a128 version when R,G,B occupy lower bits */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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534 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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535 } else { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
536 int width = info->d_width; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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537 int height = info->d_height; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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538 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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539 int srcskip = info->s_skip >> 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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540 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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541 int dstskip = info->d_skip >> 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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542 Uint32 dalpha = df->Amask; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
543 Uint32 amult; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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544 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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545 __m64 src1, src2, dst1, dst2, mm_alpha, mm_zero, dsta; |
| 1542 | 546 |
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547 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
548 /* form the alpha mult */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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549 amult = alpha | (alpha << 8); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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550 amult = amult | (amult << 16); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
551 chanmask = |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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552 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df-> |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
553 Bshift); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
554 mm_alpha = _mm_set_pi32(0, amult & chanmask); /* 0000AAAA -> mm_alpha, minus 1 chan */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
555 mm_alpha = _mm_unpacklo_pi8(mm_alpha, mm_zero); /* 0A0A0A0A -> mm_alpha, minus 1 chan */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
556 /* at this point mm_alpha can be 000A0A0A or 0A0A0A00 or another combo */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
557 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
| 1542 | 558 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
559 while (height--) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
560 int n = width; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
561 if (n & 1) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
562 /* One Pixel Blend */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
563 src2 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src2 (0000ARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
564 src2 = _mm_unpacklo_pi8(src2, mm_zero); /* 0A0R0G0B -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
565 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
566 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
567 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ |
| 1542 | 568 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
569 src2 = _mm_sub_pi16(src2, dst1); /* src2 - dst2 -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
570 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
571 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
572 dst1 = _mm_add_pi8(src2, dst1); /* src2 + dst1 -> dst1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
573 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
574 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
575 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
576 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ |
| 1542 | 577 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
578 ++srcp; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
579 ++dstp; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
580 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
581 n--; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
582 } |
| 1542 | 583 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
584 for (n >>= 1; n > 0; --n) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
585 /* Two Pixels Blend */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
586 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
587 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
588 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* low - 0A0R0G0B -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
589 src2 = _mm_unpackhi_pi8(src2, mm_zero); /* high - 0A0R0G0B -> src2 */ |
| 1542 | 590 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
591 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
592 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
593 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* low - 0A0R0G0B -> dst1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
594 dst2 = _mm_unpackhi_pi8(dst2, mm_zero); /* high - 0A0R0G0B -> dst2 */ |
| 1542 | 595 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
596 src1 = _mm_sub_pi16(src1, dst1); /* src1 - dst1 -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
597 src1 = _mm_mullo_pi16(src1, mm_alpha); /* src1 * alpha -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
598 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
599 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst1) -> dst1 */ |
| 1542 | 600 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
601 src2 = _mm_sub_pi16(src2, dst2); /* src2 - dst2 -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
602 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
|
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603 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
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604 dst2 = _mm_add_pi8(src2, dst2); /* src2 + dst2(dst2) -> dst2 */ |
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605 |
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606 dst1 = _mm_packs_pu16(dst1, dst2); /* 0A0R0G0B(res1), 0A0R0G0B(res2) -> dst1(ARGBARGB) */ |
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607 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
| 1542 | 608 |
|
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609 *(__m64 *) dstp = dst1; /* dst1 -> 2 x pixel */ |
| 1542 | 610 |
|
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611 srcp += 2; |
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612 dstp += 2; |
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613 } |
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614 srcp += srcskip; |
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615 dstp += dstskip; |
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616 } |
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617 _mm_empty(); |
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618 } |
| 1542 | 619 } |
| 620 | |
| 621 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ | |
|
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622 static void |
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623 BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 624 { |
|
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625 int width = info->d_width; |
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626 int height = info->d_height; |
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627 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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628 int srcskip = info->s_skip >> 2; |
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629 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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630 int dstskip = info->d_skip >> 2; |
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631 SDL_PixelFormat *sf = info->src; |
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632 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
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633 Uint32 amask = sf->Amask; |
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634 Uint32 ashift = sf->Ashift; |
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635 Uint64 multmask; |
| 1542 | 636 |
|
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637 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
| 1542 | 638 |
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639 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
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640 /* *INDENT-OFF* */ |
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641 multmask = ~(0xFFFFI64 << (ashift * 2)); |
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642 /* *INDENT-ON* */ |
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643 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
| 1542 | 644 |
|
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645 while (height--) { |
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646 /* *INDENT-OFF* */ |
| 1542 | 647 DUFFS_LOOP4({ |
| 648 Uint32 alpha = *srcp & amask; | |
| 649 if (alpha == 0) { | |
| 650 /* do nothing */ | |
| 651 } else if (alpha == amask) { | |
| 652 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 653 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 654 } else { | |
| 655 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 656 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 657 | |
| 658 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 659 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 660 | |
| 661 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 662 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 663 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 664 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 665 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 666 | |
| 667 /* blend */ | |
| 668 src1 = _mm_sub_pi16(src1, dst1);/* src1 - dst1 -> src1 */ | |
| 669 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src1 - dst1) * alpha -> src1 */ | |
| 670 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 671 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1 -> dst1(0A0R0G0B) */ | |
| 672 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 673 | |
| 674 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 675 } | |
| 676 ++srcp; | |
| 677 ++dstp; | |
| 678 }, width); | |
|
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679 /* *INDENT-ON* */ |
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680 srcp += srcskip; |
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681 dstp += dstskip; |
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682 } |
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683 _mm_empty(); |
| 1542 | 684 } |
|
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685 |
| 1542 | 686 /* End MSVC_ASMBLIT */ |
| 687 | |
| 688 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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|
689 |
|
1361
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New configure-based build system. Still work in progress, but much improved
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690 #if SDL_ALTIVEC_BLITTERS |
| 1795 | 691 #if __MWERKS__ |
| 692 #pragma altivec_model on | |
| 693 #endif | |
|
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|
694 #if HAVE_ALTIVEC_H |
|
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695 #include <altivec.h> |
|
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Fixed Altivec support on Mac OS X.
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|
696 #endif |
|
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697 #include <assert.h> |
|
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|
698 |
|
1402
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Use consistent identifiers for the various platforms we support.
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|
699 #if (defined(__MACOSX__) && (__GNUC__ < 4)) |
|
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700 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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701 (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p ) |
|
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|
702 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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|
703 (vector unsigned short) ( a,b,c,d,e,f,g,h ) |
|
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|
704 #else |
|
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|
705 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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706 (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p } |
|
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|
707 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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changeset
|
708 (vector unsigned short) { a,b,c,d,e,f,g,h } |
|
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changeset
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709 #endif |
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Ryan C. Gordon <icculus@icculus.org>
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|
710 |
|
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
711 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F) |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
712 #define VECPRINT(msg, v) do { \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
713 vector unsigned int tmpvec = (vector unsigned int)(v); \ |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
714 unsigned int *vp = (unsigned int *)&tmpvec; \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
715 printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
716 } while (0) |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
717 |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
718 /* the permuation vector that takes the high bytes out of all the appropriate shorts |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
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|
719 (vector unsigned char)( |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
720 0x00, 0x10, 0x02, 0x12, |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
721 0x04, 0x14, 0x06, 0x16, |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
722 0x08, 0x18, 0x0A, 0x1A, |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
723 0x0C, 0x1C, 0x0E, 0x1E ); |
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
724 */ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
725 #define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F))) |
|
ffaaf7ecf685
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parents:
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diff
changeset
|
726 #define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12))) |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
727 #define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24())) |
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diff
changeset
|
728 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
729 ? vec_lvsl(0, src) \ |
|
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parents:
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diff
changeset
|
730 : vec_add(vec_lvsl(8, src), vec_splat_u8(8))) |
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
731 |
|
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|
732 |
|
1047
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
733 #define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
734 /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
735 vector unsigned short vtemp1 = vec_mule(vs, valpha); \ |
|
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changeset
|
736 /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \ |
|
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changeset
|
737 vector unsigned short vtemp2 = vec_mulo(vs, valpha); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
738 /* valpha2 is 255-alpha */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
739 vector unsigned char valpha2 = vec_nor(valpha, valpha); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
740 /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
741 vector unsigned short vtemp3 = vec_mule(vd, valpha2); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
742 /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
743 vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
744 /* add source and dest */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
745 vtemp1 = vec_add(vtemp1, vtemp3); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
746 vtemp2 = vec_add(vtemp2, vtemp4); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
747 /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
748 vtemp1 = vec_add(vtemp1, v1_16); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
749 vtemp3 = vec_sr(vtemp1, v8_16); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
750 vtemp1 = vec_add(vtemp1, vtemp3); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
751 /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
752 vtemp2 = vec_add(vtemp2, v1_16); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
753 vtemp4 = vec_sr(vtemp2, v8_16); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
754 vtemp2 = vec_add(vtemp2, vtemp4); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
755 /* (>>8) and get ARGBARGBARGBARGB */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
756 vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
757 } while (0) |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
758 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
759 /* Calculate the permute vector used for 32->32 swizzling */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
760 static vector unsigned char |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
761 calc_swizzle32(const SDL_PixelFormat * srcfmt, const SDL_PixelFormat * dstfmt) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
762 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
763 /* |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
764 * 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
|
765 * 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
|
766 * 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
|
767 */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
768 /* ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
769 const static struct SDL_PixelFormat default_pixel_format = { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
770 NULL, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
771 0, 0, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
772 16, 8, 0, 24, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
773 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
774 0, 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
775 }; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
776 if (!srcfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
777 srcfmt = &default_pixel_format; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
778 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
779 if (!dstfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
780 dstfmt = &default_pixel_format; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
781 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
782 const vector unsigned char plus = VECUINT8_LITERAL(0x00, 0x00, 0x00, 0x00, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
783 0x04, 0x04, 0x04, 0x04, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
784 0x08, 0x08, 0x08, 0x08, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
785 0x0C, 0x0C, 0x0C, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
786 0x0C); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
787 vector unsigned char vswiz; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
788 vector unsigned int srcvec; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
789 #define RESHIFT(X) (3 - ((X) >> 3)) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
790 Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
791 Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
792 Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
793 Uint32 amask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
794 /* 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
|
795 if (dstfmt->Amask) { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
796 amask = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
797 ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt-> |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
798 Ashift); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
799 } else { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
800 amask = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
801 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
802 0xFFFFFFFF); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
803 } |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
804 #undef RESHIFT |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
805 ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
806 vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
807 return (vswiz); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
808 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
809 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
810 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
811 Blit32to565PixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
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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 int height = info->d_height; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
814 Uint8 *src = (Uint8 *) info->s_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
815 int srcskip = info->s_skip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
816 Uint8 *dst = (Uint8 *) info->d_pixels; |
|
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ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
817 int dstskip = info->d_skip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
818 SDL_PixelFormat *srcfmt = info->src; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
819 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
820 vector unsigned char v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
821 vector unsigned short v8_16 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
822 vector unsigned short v1_16 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
823 vector unsigned short v2_16 = vec_splat_u16(2); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
824 vector unsigned short v3_16 = vec_splat_u16(3); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
825 vector unsigned int v8_32 = vec_splat_u32(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
826 vector unsigned int v16_32 = vec_add(v8_32, v8_32); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
827 vector unsigned short v3f = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
828 VECUINT16_LITERAL(0x003f, 0x003f, 0x003f, 0x003f, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
829 0x003f, 0x003f, 0x003f, 0x003f); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
830 vector unsigned short vfc = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
831 VECUINT16_LITERAL(0x00fc, 0x00fc, 0x00fc, 0x00fc, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
832 0x00fc, 0x00fc, 0x00fc, 0x00fc); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
833 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
834 /* |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
835 0x10 - 0x1f is the alpha |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
836 0x00 - 0x0e evens are the red |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
837 0x01 - 0x0f odds are zero |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
838 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
839 vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
840 0x10, 0x02, 0x01, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
841 0x10, 0x04, 0x01, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
842 0x10, 0x06, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
843 0x01); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
844 vector unsigned char vredalpha2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
845 (vector unsigned char) (vec_add((vector unsigned int) vredalpha1, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
846 vec_sl(v8_32, v16_32)) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
847 ); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
848 /* |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
849 0x00 - 0x0f is ARxx ARxx ARxx ARxx |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
850 0x11 - 0x0f odds are blue |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
851 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
852 vector unsigned char vblue1 = VECUINT8_LITERAL(0x00, 0x01, 0x02, 0x11, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
853 0x04, 0x05, 0x06, 0x13, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
854 0x08, 0x09, 0x0a, 0x15, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
855 0x0c, 0x0d, 0x0e, 0x17); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
856 vector unsigned char vblue2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
857 (vector unsigned char) (vec_add((vector unsigned int) vblue1, v8_32) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
858 ); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
859 /* |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
860 0x00 - 0x0f is ARxB ARxB ARxB ARxB |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
861 0x10 - 0x0e evens are green |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
862 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
863 vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
864 0x04, 0x05, 0x12, 0x07, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
865 0x08, 0x09, 0x14, 0x0b, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
866 0x0c, 0x0d, 0x16, 0x0f); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
867 vector unsigned char vgreen2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
868 (vector unsigned |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
869 char) (vec_add((vector unsigned int) vgreen1, vec_sl(v8_32, v8_32)) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
870 ); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
871 vector unsigned char vgmerge = VECUINT8_LITERAL(0x00, 0x02, 0x00, 0x06, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
872 0x00, 0x0a, 0x00, 0x0e, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
873 0x00, 0x12, 0x00, 0x16, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
874 0x00, 0x1a, 0x00, 0x1e); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
875 vector unsigned char mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
876 vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
877 vector unsigned char valphaPermute = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
878 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
|
879 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
880 vector unsigned short vf800 = (vector unsigned short) vec_splat_u8(-7); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
881 vf800 = vec_sl(vf800, vec_splat_u16(8)); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
882 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
883 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
884 int extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
885 vector unsigned char valigner; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
886 vector unsigned char vsrc; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
887 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
888 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
889 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
890 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
891 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
|
892 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
893 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
|
894 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
|
895 if(sA) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
896 unsigned short dstpixel = *((unsigned short *)dst); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
897 dR = (dstpixel >> 8) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
898 dG = (dstpixel >> 3) & 0xfc; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
899 dB = (dstpixel << 3) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
900 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
901 *((unsigned short *)dst) = ( \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
902 ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
903 ); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
904 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
905 src += 4; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
906 dst += 2; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
907 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
908 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
909 ONE_PIXEL_BLEND((UNALIGNED_PTR(dst)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
910 extrawidth = (width % 8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
911 valigner = VEC_ALIGNER(src); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
912 vsrc = (vector unsigned char) vec_ld(0, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
913 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
914 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
915 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
916 vector unsigned char vsrc1, vsrc2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
917 vector unsigned char vdst1, vdst2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
918 vector unsigned short vR, vG, vB; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
919 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
920 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
921 /* Load 8 pixels from src as ARGB */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
922 voverflow = (vector unsigned char) vec_ld(15, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
923 vsrc = vec_perm(vsrc, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
924 vsrc1 = vec_perm(vsrc, vsrc, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
925 src += 16; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
926 vsrc = (vector unsigned char) vec_ld(15, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
927 voverflow = vec_perm(voverflow, vsrc, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
928 vsrc2 = vec_perm(voverflow, voverflow, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
929 src += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
930 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
931 /* Load 8 pixels from dst as XRGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
932 voverflow = vec_ld(0, dst); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
933 vR = vec_and((vector unsigned short) voverflow, vf800); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
934 vB = vec_sl((vector unsigned short) voverflow, v3_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
935 vG = vec_sl(vB, v2_16); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
936 vdst1 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
937 (vector unsigned char) vec_perm((vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
938 (vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
939 vredalpha1); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
940 vdst1 = vec_perm(vdst1, (vector unsigned char) vB, vblue1); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
941 vdst1 = vec_perm(vdst1, (vector unsigned char) vG, vgreen1); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
942 vdst2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
943 (vector unsigned char) vec_perm((vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
944 (vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
945 vredalpha2); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
946 vdst2 = vec_perm(vdst2, (vector unsigned char) vB, vblue2); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
947 vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
948 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
949 /* Alpha blend 8 pixels as ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
950 valpha = vec_perm(vsrc1, v0, valphaPermute); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
951 VEC_MULTIPLY_ALPHA(vsrc1, vdst1, valpha, mergePermute, v1_16, |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
952 v8_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
953 valpha = vec_perm(vsrc2, v0, valphaPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
954 VEC_MULTIPLY_ALPHA(vsrc2, vdst2, valpha, mergePermute, v1_16, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
955 v8_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
956 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
957 /* Convert 8 pixels to 565 */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
958 vpixel = (vector unsigned short) vec_packpx((vector unsigned int) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
959 vdst1, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
960 (vector unsigned int) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
961 vdst2); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
962 vgpixel = (vector unsigned short) vec_perm(vdst1, vdst2, vgmerge); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
963 vgpixel = vec_and(vgpixel, vfc); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
964 vgpixel = vec_sl(vgpixel, v3_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
965 vrpixel = vec_sl(vpixel, v1_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
966 vrpixel = vec_and(vrpixel, vf800); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
967 vbpixel = vec_and(vpixel, v3f); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
968 vdst1 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
969 vec_or((vector unsigned char) vrpixel, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
970 (vector unsigned char) vgpixel); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
971 vdst1 = vec_or(vdst1, (vector unsigned char) vbpixel); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
972 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
973 /* Store 8 pixels */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
974 vec_st(vdst1, 0, dst); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
975 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
976 width -= 8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
977 dst += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
978 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
979 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
980 #undef ONE_PIXEL_BLEND |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
981 src += srcskip; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
982 dst += dstskip; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
983 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
984 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
985 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
986 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
987 Blit32to32SurfaceAlphaKeyAltivec(SDL_BlitInfo * info) |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
988 { |
|
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Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
989 unsigned alpha = info->src->alpha; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
990 int height = info->d_height; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
991 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
992 int srcskip = info->s_skip >> 2; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
993 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
994 int dstskip = info->d_skip >> 2; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
995 SDL_PixelFormat *srcfmt = info->src; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
996 SDL_PixelFormat *dstfmt = info->dst; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
997 unsigned sA = srcfmt->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
998 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
999 Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1000 Uint32 ckey = info->src->colorkey; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1001 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1002 vector unsigned char vsrcPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1003 vector unsigned char vdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1004 vector unsigned char vsdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1005 vector unsigned char valpha; |
|
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Altivec-optimized blitters!
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diff
changeset
|
1006 vector unsigned char valphamask; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1007 vector unsigned char vbits; |
|
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Altivec-optimized blitters!
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diff
changeset
|
1008 vector unsigned char v0; |
|
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Altivec-optimized blitters!
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parents:
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diff
changeset
|
1009 vector unsigned short v1; |
|
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Altivec-optimized blitters!
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parents:
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diff
changeset
|
1010 vector unsigned short v8; |
|
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Altivec-optimized blitters!
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parents:
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diff
changeset
|
1011 vector unsigned int vckey; |
|
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Altivec-optimized blitters!
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parents:
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diff
changeset
|
1012 vector unsigned int vrgbmask; |
|
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Altivec-optimized blitters!
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880
diff
changeset
|
1013 |
|
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Altivec-optimized blitters!
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parents:
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diff
changeset
|
1014 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1015 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1016 v1 = vec_splat_u16(1); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1017 v8 = vec_splat_u16(8); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1018 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1019 /* set the alpha to 255 on the destination surf */ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1020 valphamask = VEC_ALPHA_MASK(); |
|
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Altivec-optimized blitters!
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diff
changeset
|
1021 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1022 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1023 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1024 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
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Altivec-optimized blitters!
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880
diff
changeset
|
1025 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1026 /* set a vector full of alpha and 255-alpha */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
1027 ((unsigned char *) &valpha)[0] = alpha; |
|
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Altivec-optimized blitters!
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diff
changeset
|
1028 valpha = vec_splat(valpha, 0); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
1029 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1030 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1031 ckey &= rgbmask; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
1032 ((unsigned int *) (char *) &vckey)[0] = ckey; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1033 vckey = vec_splat(vckey, 0); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
1034 ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask; |
|
1047
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Altivec-optimized blitters!
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diff
changeset
|
1035 vrgbmask = vec_splat(vrgbmask, 0); |
|
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Altivec-optimized blitters!
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diff
changeset
|
1036 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1037 while (height--) { |
|
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1038 int width = info->d_width; |
|
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1039 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1040 while (condition) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
1041 Uint32 Pixel; \ |
|
1047
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Altivec-optimized blitters!
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diff
changeset
|
1042 unsigned sR, sG, sB, dR, dG, dB; \ |
|
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Enable altivec blitters on PowerPC Linux, and some fixes for recent
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changeset
|
1043 RETRIEVE_RGB_PIXEL(((Uint8 *)srcp), 4, Pixel); \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
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parents:
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diff
changeset
|
1044 if(sA && Pixel != ckey) { \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
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1047
diff
changeset
|
1045 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
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diff
changeset
|
1046 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \ |
|
1047
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1047 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
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Altivec-optimized blitters!
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880
diff
changeset
|
1048 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1049 } \ |
|
1162
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Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1050 dstp++; \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1051 srcp++; \ |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1052 widthvar--; \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1053 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1054 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1055 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1056 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1057 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1058 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
|
1059 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1060 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1061 vector unsigned char vsel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1062 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1063 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1064 vector unsigned char vd_orig; |
|
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 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1067 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1068 vs = vec_perm(vs, voverflow, valigner); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1069 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1070 /* vsel is set for items that match the key */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1071 vsel = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1072 (vector unsigned char) vec_and((vector unsigned int) vs, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1073 vrgbmask); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1074 vsel = (vector unsigned char) vec_cmpeq((vector unsigned int) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1075 vsel, vckey); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1076 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1077 /* permute to source format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1078 vs = vec_perm(vs, valpha, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1079 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1080 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1081 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1082 vd_orig = vd = vec_perm(vd, v0, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1083 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1084 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1085 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1086 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1087 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1088 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1089 /* mask out color key */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1090 vd = vec_sel(vd, vd_orig, vsel); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1091 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1092 /* permute to dest format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1093 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1094 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1095 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1096 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1097 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1098 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1099 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1100 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1101 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1102 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1103 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1104 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1105 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1106 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1107 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1108 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1109 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1110 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1111 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1112 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1113 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1114 Blit32to32PixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1115 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1116 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1117 int height = info->d_height; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1118 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1119 int srcskip = info->s_skip >> 2; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1120 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1121 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1122 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1123 SDL_PixelFormat *dstfmt = info->dst; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1124 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1125 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1126 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1127 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1128 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1129 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1130 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1131 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1132 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1133 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1134 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1135 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1136 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1137 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1138 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1139 valphamask = VEC_ALPHA_MASK(); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1140 valphaPermute = 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
|
1141 vpixelmask = vec_nor(valphamask, v0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1142 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1143 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1144 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1145 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1146 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1147 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1148 #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
|
1149 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1150 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
|
1151 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
|
1152 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
|
1153 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
|
1154 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1155 ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1156 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1157 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1158 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1159 widthvar--; \ |
|
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 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1162 if (width > 0) { |
|
1487
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1163 /* vsrcPermute */ |
|
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1164 /* vdstPermute */ |
|
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Ryan C. Gordon <icculus@icculus.org>
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1165 int extrawidth = (width % 4); |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
1166 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
1167 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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1168 width -= extrawidth; |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
1169 while (width) { |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
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|
1170 vector unsigned char voverflow; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
1171 vector unsigned char vd; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
1172 vector unsigned char valpha; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
1173 vector unsigned char vdstalpha; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1174 /* s = *srcp */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1175 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1176 vs = vec_perm(vs, voverflow, valigner); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1177 vs = vec_perm(vs, v0, vsrcPermute); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
1178 |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1179 valpha = vec_perm(vs, v0, valphaPermute); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1180 |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1181 /* d = *dstp */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1182 vd = (vector unsigned char) vec_ld(0, dstp); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1183 vd = vec_perm(vd, v0, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1184 vdstalpha = vec_and(vd, valphamask); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1185 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1186 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1187 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1188 /* set the alpha to the dest alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1189 vd = vec_and(vd, vpixelmask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1190 vd = vec_or(vd, vdstalpha); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1191 vd = vec_perm(vd, v0, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1192 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1193 /* *dstp = res */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1194 vec_st((vector unsigned int) vd, 0, dstp); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1195 |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1196 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1197 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1198 width -= 4; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1199 vs = voverflow; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1200 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1201 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1202 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1203 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1204 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1205 dstp += dstskip; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1206 #undef ONE_PIXEL_BLEND |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1207 } |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1208 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1209 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1210 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1211 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1212 BlitRGBtoRGBPixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1213 { |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1214 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1215 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1216 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1217 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1218 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1219 int dstskip = info->d_skip >> 2; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1220 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1221 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1222 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1223 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1224 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1225 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1226 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1227 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1228 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1229 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1230 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1231 valphamask = VEC_ALPHA_MASK(); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1232 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1233 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1234 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1235 vpixelmask = vec_nor(valphamask, v0); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1236 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1237 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1238 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1239 while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1240 Uint32 dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1241 Uint32 d; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1242 Uint32 s1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1243 Uint32 d1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1244 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1245 Uint32 alpha = s >> 24; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1246 if(alpha) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1247 if(alpha == SDL_ALPHA_OPAQUE) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1248 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1249 } else { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1250 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1251 dalpha = d & 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1252 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1253 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1254 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1255 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1256 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1257 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1258 *dstp = d1 | d | dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1259 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1260 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1261 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1262 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1263 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1264 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1265 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1266 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1267 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1268 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1269 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
|
1270 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1271 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1272 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1273 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1274 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1275 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1276 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1277 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1278 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1279 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1280 valpha = vec_perm(vs, v0, valphaPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1281 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1282 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1283 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1284 vdstalpha = vec_and(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1285 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1286 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1287 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1288 /* set the alpha to the dest alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1289 vd = vec_and(vd, vpixelmask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1290 vd = vec_or(vd, vdstalpha); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1291 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1292 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1293 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1294 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1295 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1296 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1297 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1298 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1299 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1300 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1301 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1302 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1303 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1304 } |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1305 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1306 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1307 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1308 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1309 Blit32to32SurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1310 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1311 /* XXX : 6 */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1312 unsigned alpha = info->src->alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1313 int height = info->d_height; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1314 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1315 int srcskip = info->s_skip >> 2; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1316 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1317 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1318 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1319 SDL_PixelFormat *dstfmt = info->dst; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1320 unsigned sA = srcfmt->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1321 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1322 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1323 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1324 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1325 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1326 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1327 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1328 vector unsigned char vbits; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1329 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1330 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1331 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1332 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1333 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1334 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1335 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1336 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1337 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1338 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1339 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1340 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1341 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1342 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1343 /* set a vector full of alpha and 255-alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1344 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1345 valpha = vec_splat(valpha, 0); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1346 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1347 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1348 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1349 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1350 #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
|
1351 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1352 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
|
1353 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
|
1354 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
|
1355 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1356 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1357 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1358 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1359 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1360 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1361 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1362 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1363 int extrawidth = (width % 4); |
|
2086
fffea8d6bf92
Merged r2954:2955 from branches/SDL-1.2: Altivec alpha blitter alignment fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2074
diff
changeset
|
1364 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1365 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
|
1366 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1367 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1368 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1369 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1370 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1371 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1372 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1373 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1374 vs = vec_perm(vs, valpha, vsrcPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1375 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1376 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1377 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1378 vd = vec_perm(vd, vd, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1379 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1380 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
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 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1383 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1384 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1385 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1386 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1387 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1388 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1389 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1390 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1391 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1392 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1393 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1394 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1395 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1396 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1397 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1398 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1399 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1400 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1401 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1402 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1403 |
|
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 /* fast RGB888->(A)RGB888 blending */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1406 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1407 BlitRGBtoRGBSurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1408 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1409 unsigned alpha = info->src->alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1410 int height = info->d_height; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1411 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1412 int srcskip = info->s_skip >> 2; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1413 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1414 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1415 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1416 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1417 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1418 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1419 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1420 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1421 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1422 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1423 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1424 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1425 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1426 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1427 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1428 /* set a vector full of alpha and 255-alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1429 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1430 valpha = vec_splat(valpha, 0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1431 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1432 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1433 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1434 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1435 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1436 Uint32 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1437 Uint32 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1438 Uint32 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1439 d1 = (d1 + ((s1 - d1) * alpha >> 8)) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1440 & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1441 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1442 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1443 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1444 *dstp = d1 | d | 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1445 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1446 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1447 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1448 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1449 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1450 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1451 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1452 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1453 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
|
1454 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1455 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1456 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1457 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1458 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1459 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1460 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1461 vs = vec_perm(vs, voverflow, valigner); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1462 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1463 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1464 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
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 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1467 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1468 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1469 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1470 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1471 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1472 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1473 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1474 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1475 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1476 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1477 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1478 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1479 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1480 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1481 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1482 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1483 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1484 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1485 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1486 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1487 |
| 1795 | 1488 #if __MWERKS__ |
| 1489 #pragma altivec_model off | |
| 1490 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1491 #endif /* SDL_ALTIVEC_BLITTERS */ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1492 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1493 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1494 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1495 BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo * info) |
| 0 | 1496 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1497 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1498 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1499 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1500 int srcskip = info->s_skip >> 2; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
1501 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1502 int dstskip = info->d_skip >> 2; |
| 0 | 1503 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1504 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1505 /* *INDENT-OFF* */ |
| 0 | 1506 DUFFS_LOOP4({ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1507 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1508 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1509 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1510 + (s & d & 0x00010101)) | 0xff000000; |
| 0 | 1511 }, width); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1512 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1513 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1514 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1515 } |
| 0 | 1516 } |
| 1517 | |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1518 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1519 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1520 BlitRGBtoRGBSurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1521 { |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1522 unsigned alpha = info->src->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1523 if (alpha == 128) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1524 BlitRGBtoRGBSurfaceAlpha128(info); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1525 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1526 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1527 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1528 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1529 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1530 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1531 int dstskip = info->d_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1532 Uint32 s; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1533 Uint32 d; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1534 Uint32 s1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1535 Uint32 d1; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1536 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1537 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1538 /* *INDENT-OFF* */ |
|
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|
1539 DUFFS_LOOP_DOUBLE2({ |
|
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changeset
|
1540 /* One Pixel Blend */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1541 s = *srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1542 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1543 s1 = s & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1544 d1 = d & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1545 d1 = (d1 + ((s1 - d1) * alpha >> 8)) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1546 & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1547 s &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1548 d &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1549 d = (d + ((s - d) * alpha >> 8)) & 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1550 *dstp = d1 | d | 0xff000000; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1551 ++srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1552 ++dstp; |
|
689
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|
1553 },{ |
|
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|
1554 /* Two Pixels Blend */ |
|
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|
1555 s = *srcp; |
|
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297
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changeset
|
1556 d = *dstp; |
|
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|
1557 s1 = s & 0xff00ff; |
|
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|
1558 d1 = d & 0xff00ff; |
|
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297
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|
1559 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1560 d1 &= 0xff00ff; |
|
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|
1561 |
|
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|
1562 s = ((s & 0xff00) >> 8) | |
|
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297
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|
1563 ((srcp[1] & 0xff00) << 8); |
|
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297
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|
1564 d = ((d & 0xff00) >> 8) | |
|
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297
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|
1565 ((dstp[1] & 0xff00) << 8); |
|
5bb080d35049
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297
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|
1566 d += (s - d) * alpha >> 8; |
|
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297
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|
1567 d &= 0x00ff00ff; |
|
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|
1568 |
|
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|
1569 *dstp++ = d1 | ((d << 8) & 0xff00) | 0xff000000; |
|
5bb080d35049
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|
1570 ++srcp; |
|
5bb080d35049
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|
1571 |
|
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|
1572 s1 = *srcp; |
|
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|
1573 d1 = *dstp; |
|
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|
1574 s1 &= 0xff00ff; |
|
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|
1575 d1 &= 0xff00ff; |
|
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|
1576 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1577 d1 &= 0xff00ff; |
|
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|
1578 |
|
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|
1579 *dstp = d1 | ((d >> 8) & 0xff00) | 0xff000000; |
|
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|
1580 ++srcp; |
|
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changeset
|
1581 ++dstp; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1582 }, width); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1583 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1584 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1585 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1586 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1587 } |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1588 } |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1589 |
| 0 | 1590 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
1591 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1592 BlitRGBtoRGBPixelAlpha(SDL_BlitInfo * info) |
| 0 | 1593 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1594 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1595 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1596 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1597 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1598 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1599 int dstskip = info->d_skip >> 2; |
| 0 | 1600 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1601 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1602 /* *INDENT-OFF* */ |
| 0 | 1603 DUFFS_LOOP4({ |
| 1604 Uint32 dalpha; | |
| 1605 Uint32 d; | |
| 1606 Uint32 s1; | |
| 1607 Uint32 d1; | |
| 1608 Uint32 s = *srcp; | |
| 1609 Uint32 alpha = s >> 24; | |
| 1610 /* FIXME: Here we special-case opaque alpha since the | |
| 1611 compositioning used (>>8 instead of /255) doesn't handle | |
| 1612 it correctly. Also special-case alpha=0 for speed? | |
| 1613 Benchmark this! */ | |
|
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|
1614 if(alpha) { |
|
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changeset
|
1615 if(alpha == SDL_ALPHA_OPAQUE) { |
| 0 | 1616 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); |
|
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changeset
|
1617 } else { |
| 0 | 1618 /* |
| 1619 * take out the middle component (green), and process | |
| 1620 * the other two in parallel. One multiply less. | |
| 1621 */ | |
| 1622 d = *dstp; | |
| 1623 dalpha = d & 0xff000000; | |
| 1624 s1 = s & 0xff00ff; | |
| 1625 d1 = d & 0xff00ff; | |
| 1626 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; | |
| 1627 s &= 0xff00; | |
| 1628 d &= 0xff00; | |
| 1629 d = (d + ((s - d) * alpha >> 8)) & 0xff00; | |
| 1630 *dstp = d1 | d | dalpha; | |
|
689
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changeset
|
1631 } |
| 0 | 1632 } |
| 1633 ++srcp; | |
| 1634 ++dstp; | |
| 1635 }, width); | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1636 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
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|
1637 srcp += srcskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1638 dstp += dstskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1639 } |
| 0 | 1640 } |
| 1641 | |
| 1542 | 1642 #if GCC_ASMBLIT |
|
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1643 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ |
| 2038 | 1644 static void |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1645 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
|
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|
1646 { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1647 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1648 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1649 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1650 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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|
1651 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1652 int dstskip = info->d_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1653 SDL_PixelFormat *sf = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1654 Uint32 amask = sf->Amask; |
|
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|
1655 |
|
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|
1656 __asm__( |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1657 /* make mm6 all zeros. */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1658 "pxor %%mm6, %%mm6\n" |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
1659 /* Make a mask to preserve the alpha. */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1660 "movd %0, %%mm7\n\t" /* 0000F000 -> mm7 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1661 "punpcklbw %%mm7, %%mm7\n\t" /* FF000000 -> mm7 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1662 "pcmpeqb %%mm4, %%mm4\n\t" /* FFFFFFFF -> mm4 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1663 "movq %%mm4, %%mm3\n\t" /* FFFFFFFF -> mm3 (for later) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1664 "pxor %%mm4, %%mm7\n\t" /* 00FFFFFF -> mm7 (mult mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1665 /* form channel masks */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1666 "movq %%mm7, %%mm4\n\t" /* 00FFFFFF -> mm4 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1667 "packsswb %%mm6, %%mm4\n\t" /* 00000FFF -> mm4 (channel mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1668 "packsswb %%mm6, %%mm3\n\t" /* 0000FFFF -> mm3 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1669 "pxor %%mm4, %%mm3\n\t" /* 0000F000 -> mm3 (~channel mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1670 /* get alpha channel shift */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1671 "movd %1, %%mm5\n\t" /* Ashift -> mm5 */ |
|
2101
c4e0afbcf1f6
Merge r3005:3006 from branches/SDL-1.2: Alpha blending MMX/3DNow register bug.
Ryan C. Gordon <icculus@icculus.org>
parents:
2086
diff
changeset
|
1672 : /* nothing */ : "rm"(amask), "rm"((Uint32) sf->Ashift)); |
|
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|
1673 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1674 while (height--) { |
| 1542 | 1675 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1676 /* *INDENT-OFF* */ |
|
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|
1677 DUFFS_LOOP4({ |
| 1542 | 1678 Uint32 alpha; |
|
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|
1679 |
|
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|
1680 __asm__ ( |
|
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|
1681 "prefetch 64(%0)\n" |
|
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|
1682 "prefetch 64(%1)\n" |
|
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|
1683 : : "r" (srcp), "r" (dstp) ); |
|
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|
1684 |
| 1542 | 1685 alpha = *srcp & amask; |
|
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|
1686 /* FIXME: Here we special-case opaque alpha since the |
|
5bb080d35049
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|
1687 compositioning used (>>8 instead of /255) doesn't handle |
|
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|
1688 it correctly. Also special-case alpha=0 for speed? |
|
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|
1689 Benchmark this! */ |
| 1542 | 1690 if(alpha == 0) { |
| 1691 /* do nothing */ | |
| 1692 } | |
| 1693 else if(alpha == amask) { | |
| 1694 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 1695 /* using MMX here to free up regular registers for other things */ | |
| 1696 __asm__ ( | |
| 1697 "movd (%0), %%mm0\n\t" /* src(ARGB) -> mm0 (0000ARGB)*/ | |
| 1698 "movd (%1), %%mm1\n\t" /* dst(ARGB) -> mm1 (0000ARGB)*/ | |
| 1699 "pand %%mm4, %%mm0\n\t" /* src & chanmask -> mm0 */ | |
| 1700 "pand %%mm3, %%mm1\n\t" /* dst & ~chanmask -> mm2 */ | |
| 1701 "por %%mm0, %%mm1\n\t" /* src | dst -> mm1 */ | |
| 1702 "movd %%mm1, (%1) \n\t" /* mm1 -> dst */ | |
| 1703 | |
| 1704 : : "r" (srcp), "r" (dstp) ); | |
|
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|
1705 } |
|
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|
1706 |
|
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|
1707 else { |
|
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|
1708 __asm__ ( |
|
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|
1709 /* load in the source, and dst. */ |
|
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|
1710 "movd (%0), %%mm0\n" /* mm0(s) = 0 0 0 0 | As Rs Gs Bs */ |
|
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|
1711 "movd (%1), %%mm1\n" /* mm1(d) = 0 0 0 0 | Ad Rd Gd Bd */ |
|
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|
1712 |
|
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|
1713 /* Move the src alpha into mm2 */ |
|
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|
1714 |
|
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|
1715 /* if supporting pshufw */ |
|
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|
1716 /*"pshufw $0x55, %%mm0, %%mm2\n" */ /* mm2 = 0 As 0 As | 0 As 0 As */ |
|
5bb080d35049
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|
1717 /*"psrlw $8, %%mm2\n" */ |
|
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|
1718 |
|
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|
1719 /* else: */ |
| 1542 | 1720 "movd %2, %%mm2\n" |
| 1721 "psrld %%mm5, %%mm2\n" /* mm2 = 0 0 0 0 | 0 0 0 As */ | |
|
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|
1722 "punpcklwd %%mm2, %%mm2\n" /* mm2 = 0 0 0 0 | 0 As 0 As */ |
|
5bb080d35049
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|
1723 "punpckldq %%mm2, %%mm2\n" /* mm2 = 0 As 0 As | 0 As 0 As */ |
| 1542 | 1724 "pand %%mm7, %%mm2\n" /* to preserve dest alpha */ |
|
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|
1725 |
|
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|
1726 /* move the colors into words. */ |
|
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|
1727 "punpcklbw %%mm6, %%mm0\n" /* mm0 = 0 As 0 Rs | 0 Gs 0 Bs */ |
|
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|
1728 "punpcklbw %%mm6, %%mm1\n" /* mm0 = 0 Ad 0 Rd | 0 Gd 0 Bd */ |
|
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|
1729 |
|
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|
1730 /* src - dst */ |
|
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|
1731 "psubw %%mm1, %%mm0\n" /* mm0 = As-Ad Rs-Rd | Gs-Gd Bs-Bd */ |
|
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|
1732 |
|
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|
1733 /* A * (src-dst) */ |
| 1542 | 1734 "pmullw %%mm2, %%mm0\n" /* mm0 = 0*As-d As*Rs-d | As*Gs-d As*Bs-d */ |
| 1735 "psrlw $8, %%mm0\n" /* mm0 = 0>>8 Rc>>8 | Gc>>8 Bc>>8 */ | |
| 1736 "paddb %%mm1, %%mm0\n" /* mm0 = 0+Ad Rc+Rd | Gc+Gd Bc+Bd */ | |
|
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|
1737 |
|
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|
1738 "packuswb %%mm0, %%mm0\n" /* mm0 = | Ac Rc Gc Bc */ |
|
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|
1739 |
|
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|
1740 "movd %%mm0, (%1)\n" /* result in mm0 */ |
|
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|
1741 |
| 1542 | 1742 : : "r" (srcp), "r" (dstp), "r" (alpha) ); |
|
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|
1743 |
|
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1744 } |
|
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|
1745 ++srcp; |
|
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|
1746 ++dstp; |
|
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|
1747 }, width); |
|
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|
1748 /* *INDENT-ON* */ |
|
c121d94672cb
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|
1749 srcp += srcskip; |
|
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|
1750 dstp += dstskip; |
|
c121d94672cb
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|
1751 } |
|
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|
1752 |
|
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|
1753 __asm__("emms\n":); |
|
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1754 } |
|
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|
1755 |
| 1542 | 1756 /* End GCC_ASMBLIT*/ |
| 1757 | |
| 1758 #elif MSVC_ASMBLIT | |
| 1759 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1760 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1761 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
| 1542 | 1762 { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1763 int width = info->d_width; |
|
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|
1764 int height = info->d_height; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1765 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1766 int srcskip = info->s_skip >> 2; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1767 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1768 int dstskip = info->d_skip >> 2; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
1769 SDL_PixelFormat *sf = info->src; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
diff
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|
1770 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1771 Uint32 amask = sf->Amask; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1772 Uint32 ashift = sf->Ashift; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1773 Uint64 multmask; |
| 1542 | 1774 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1775 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
| 1542 | 1776 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1777 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1778 /* *INDENT-OFF* */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1779 multmask = ~(0xFFFFI64 << (ashift * 2)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1780 /* *INDENT-ON* */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1781 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1782 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1783 while (height--) { |
|
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1795
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|
1784 /* *INDENT-OFF* */ |
| 1542 | 1785 DUFFS_LOOP4({ |
| 1786 Uint32 alpha; | |
| 1787 | |
| 1788 _m_prefetch(srcp + 16); | |
| 1789 _m_prefetch(dstp + 16); | |
| 1790 | |
| 1791 alpha = *srcp & amask; | |
| 1792 if (alpha == 0) { | |
| 1793 /* do nothing */ | |
| 1794 } else if (alpha == amask) { | |
| 1795 /* copy RGB, keep dst alpha */ | |
| 1796 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 1797 } else { | |
| 1798 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 1799 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 1800 | |
| 1801 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 1802 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 1803 | |
| 1804 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 1805 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 1806 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 1807 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 1808 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 1809 | |
| 1810 /* blend */ | |
| 1811 src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */ | |
| 1812 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */ | |
| 1813 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 1814 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */ | |
| 1815 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 1816 | |
| 1817 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 1818 } | |
| 1819 ++srcp; | |
| 1820 ++dstp; | |
| 1821 }, width); | |
|
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|
1822 /* *INDENT-ON* */ |
|
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|
1823 srcp += srcskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1824 dstp += dstskip; |
|
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Sam Lantinga <slouken@libsdl.org>
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|
1825 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1826 _mm_empty(); |
| 1542 | 1827 } |
|
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|
1828 |
| 1542 | 1829 /* End MSVC_ASMBLIT */ |
| 1830 | |
| 1831 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
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|
1832 |
|
1
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Changes since SDL 1.2.0 release
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0
diff
changeset
|
1833 /* 16bpp special case for per-surface alpha=50%: blend 2 pixels in parallel */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1834 |
|
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Changes since SDL 1.2.0 release
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|
1835 /* blend a single 16 bit pixel at 50% */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
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|
1836 #define BLEND16_50(d, s, mask) \ |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1837 ((((s & mask) + (d & mask)) >> 1) + (s & d & (~mask & 0xffff))) |
|
cf2af46e9e2a
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Sam Lantinga <slouken@lokigames.com>
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|
1838 |
|
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Changes since SDL 1.2.0 release
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|
1839 /* blend two 16 bit pixels at 50% */ |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1840 #define BLEND2x16_50(d, s, mask) \ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
changeset
|
1841 (((s & (mask | mask << 16)) >> 1) + ((d & (mask | mask << 16)) >> 1) \ |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1842 + (s & d & (~(mask | mask << 16)))) |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1843 |
|
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|
1844 static void |
|
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|
1845 Blit16to16SurfaceAlpha128(SDL_BlitInfo * info, Uint16 mask) |
| 0 | 1846 { |
|
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|
1847 int width = info->d_width; |
|
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|
1848 int height = info->d_height; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1849 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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|
1850 int srcskip = info->s_skip >> 1; |
|
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|
1851 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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|
1852 int dstskip = info->d_skip >> 1; |
| 0 | 1853 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1854 while (height--) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1855 if (((uintptr_t) srcp ^ (uintptr_t) dstp) & 2) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1856 /* |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1857 * Source and destination not aligned, pipeline it. |
|
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Sam Lantinga <slouken@libsdl.org>
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changeset
|
1858 * This is mostly a win for big blits but no loss for |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1859 * small ones |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1860 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1861 Uint32 prev_sw; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1862 int w = width; |
|
1
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Changes since SDL 1.2.0 release
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changeset
|
1863 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1864 /* handle odd destination */ |
|
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|
1865 if ((uintptr_t) dstp & 2) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1866 Uint16 d = *dstp, s = *srcp; |
|
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|
1867 *dstp = BLEND16_50(d, s, mask); |
|
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|
1868 dstp++; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1869 srcp++; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1870 w--; |
|
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|
1871 } |
|
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|
1872 srcp++; /* srcp is now 32-bit aligned */ |
|
1
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Changes since SDL 1.2.0 release
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|
1873 |
|
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|
1874 /* bootstrap pipeline with first halfword */ |
|
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changeset
|
1875 prev_sw = ((Uint32 *) srcp)[-1]; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1876 |
|
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|
1877 while (w > 1) { |
|
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|
1878 Uint32 sw, dw, s; |
|
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|
1879 sw = *(Uint32 *) srcp; |
|
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|
1880 dw = *(Uint32 *) dstp; |
|
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|
1881 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
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|
1882 s = (prev_sw << 16) + (sw >> 16); |
|
1443
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|
1883 #else |
|
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changeset
|
1884 s = (prev_sw >> 16) + (sw << 16); |
|
1443
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|
1885 #endif |
|
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|
1886 prev_sw = sw; |
|
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|
1887 *(Uint32 *) dstp = BLEND2x16_50(dw, s, mask); |
|
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|
1888 dstp += 2; |
|
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|
1889 srcp += 2; |
|
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changeset
|
1890 w -= 2; |
|
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|
1891 } |
|
1
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0
diff
changeset
|
1892 |
|
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changeset
|
1893 /* final pixel if any */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1894 if (w) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1895 Uint16 d = *dstp, s; |
|
1443
9ebbbb4ae53b
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|
1896 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
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1897 s = (Uint16) prev_sw; |
|
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1898 #else |
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1899 s = (Uint16) (prev_sw >> 16); |
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1900 #endif |
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1901 *dstp = BLEND16_50(d, s, mask); |
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1902 srcp++; |
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1903 dstp++; |
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1904 } |
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1905 srcp += srcskip - 1; |
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1906 dstp += dstskip; |
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1907 } else { |
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1908 /* source and destination are aligned */ |
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1909 int w = width; |
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1910 |
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1911 /* first odd pixel? */ |
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1912 if ((uintptr_t) srcp & 2) { |
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1913 Uint16 d = *dstp, s = *srcp; |
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1914 *dstp = BLEND16_50(d, s, mask); |
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1915 srcp++; |
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1916 dstp++; |
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1917 w--; |
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1918 } |
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1919 /* srcp and dstp are now 32-bit aligned */ |
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1920 |
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1921 while (w > 1) { |
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1922 Uint32 sw = *(Uint32 *) srcp; |
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1923 Uint32 dw = *(Uint32 *) dstp; |
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1924 *(Uint32 *) dstp = BLEND2x16_50(dw, sw, mask); |
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1925 srcp += 2; |
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1926 dstp += 2; |
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1927 w -= 2; |
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1928 } |
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1929 |
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1930 /* last odd pixel? */ |
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1931 if (w) { |
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1932 Uint16 d = *dstp, s = *srcp; |
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1933 *dstp = BLEND16_50(d, s, mask); |
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1934 srcp++; |
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1935 dstp++; |
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1936 } |
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1937 srcp += srcskip; |
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1938 dstp += dstskip; |
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1939 } |
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1940 } |
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1941 } |
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1942 |
| 1542 | 1943 #if GCC_ASMBLIT |
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1944 /* fast RGB565->RGB565 blending with surface alpha */ |
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1945 static void |
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1946 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
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1947 { |
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1948 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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1949 if (alpha == 128) { |
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1950 Blit16to16SurfaceAlpha128(info, 0xf7de); |
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1951 } else { |
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1952 int width = info->d_width; |
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1953 int height = info->d_height; |
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1954 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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1955 int srcskip = info->s_skip >> 1; |
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1956 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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1957 int dstskip = info->d_skip >> 1; |
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1958 Uint32 s, d; |
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1959 Uint8 load[8]; |
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1960 |
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1961 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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1962 *(Uint64 *) load = alpha; |
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1963 alpha >>= 3; /* downscale alpha to 5 bits */ |
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1964 |
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1965 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
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1966 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
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1967 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
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1968 /* position alpha to allow for mullo and mulhi on diff channels |
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1969 to reduce the number of operations */ |
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1970 psllq_i2r(3, mm0); |
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1971 |
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1972 /* Setup the 565 color channel masks */ |
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1973 *(Uint64 *) load = 0x07E007E007E007E0ULL; |
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1974 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
|
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1975 *(Uint64 *) load = 0x001F001F001F001FULL; |
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1976 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
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1977 while (height--) { |
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1978 /* *INDENT-OFF* */ |
| 1542 | 1979 DUFFS_LOOP_QUATRO2( |
| 1980 { | |
| 1981 s = *srcp++; | |
|
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1982 d = *dstp; |
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1983 /* |
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1984 * shift out the middle component (green) to |
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1985 * the high 16 bits, and process all three RGB |
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1986 * components at the same time. |
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1987 */ |
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1988 s = (s | s << 16) & 0x07e0f81f; |
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1989 d = (d | d << 16) & 0x07e0f81f; |
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1990 d += (s - d) * alpha >> 5; |
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1991 d &= 0x07e0f81f; |
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1992 *dstp++ = d | d >> 16; |
| 1542 | 1993 },{ |
| 1994 s = *srcp++; | |
|
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1995 d = *dstp; |
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1996 /* |
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1997 * shift out the middle component (green) to |
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1998 * the high 16 bits, and process all three RGB |
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1999 * components at the same time. |
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2000 */ |
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2001 s = (s | s << 16) & 0x07e0f81f; |
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2002 d = (d | d << 16) & 0x07e0f81f; |
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2003 d += (s - d) * alpha >> 5; |
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2004 d &= 0x07e0f81f; |
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2005 *dstp++ = d | d >> 16; |
| 1542 | 2006 s = *srcp++; |
|
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2007 d = *dstp; |
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2008 /* |
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2009 * shift out the middle component (green) to |
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2010 * the high 16 bits, and process all three RGB |
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2011 * components at the same time. |
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2012 */ |
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2013 s = (s | s << 16) & 0x07e0f81f; |
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2014 d = (d | d << 16) & 0x07e0f81f; |
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2015 d += (s - d) * alpha >> 5; |
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2016 d &= 0x07e0f81f; |
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2017 *dstp++ = d | d >> 16; |
| 1542 | 2018 },{ |
| 2019 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2020 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2021 | |
| 2022 /* red -- does not need a mask since the right shift clears | |
| 2023 the uninteresting bits */ | |
| 2024 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2025 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2026 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 [000r 000r 000r 000r] */ | |
| 2027 psrlw_i2r(11, mm6); /* mm6 >> 11 -> mm6 [000r 000r 000r 000r] */ | |
| 2028 | |
| 2029 /* blend */ | |
| 2030 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2031 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2032 /* alpha used is actually 11 bits | |
| 2033 11 + 5 = 16 bits, so the sign bits are lost */ | |
| 2034 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2035 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2036 psllw_i2r(11, mm6); /* mm6 << 11 -> mm6 */ | |
| 2037 | |
| 2038 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2039 | |
| 2040 /* green -- process the bits in place */ | |
| 2041 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2042 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2043 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2044 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2045 | |
| 2046 /* blend */ | |
| 2047 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2048 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2049 /* 11 + 11 - 16 = 6 bits, so all the lower uninteresting | |
| 2050 bits are gone and the sign bits present */ | |
| 2051 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2052 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2053 | |
| 2054 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2055 | |
| 2056 /* blue */ | |
| 2057 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2058 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2059 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2060 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2061 | |
| 2062 /* blend */ | |
| 2063 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2064 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2065 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2066 the interesting bits will need to be MASKed */ | |
| 2067 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2068 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2069 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2070 | |
| 2071 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2072 | |
| 2073 movq_r2m(mm1, *dstp); /* mm1 -> 4 dst pixels */ | |
| 2074 | |
| 2075 srcp += 4; | |
| 2076 dstp += 4; | |
| 2077 }, width); | |
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2078 /* *INDENT-ON* */ |
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2079 srcp += srcskip; |
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2080 dstp += dstskip; |
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2081 } |
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2082 emms(); |
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2083 } |
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2084 } |
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2085 |
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2086 /* fast RGB555->RGB555 blending with surface alpha */ |
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2087 static void |
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2088 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
|
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2089 { |
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2090 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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2091 if (alpha == 128) { |
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2092 Blit16to16SurfaceAlpha128(info, 0xfbde); |
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2093 } else { |
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2094 int width = info->d_width; |
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2095 int height = info->d_height; |
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2096 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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2097 int srcskip = info->s_skip >> 1; |
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2098 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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2099 int dstskip = info->d_skip >> 1; |
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2100 Uint32 s, d; |
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2101 Uint8 load[8]; |
|
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2102 |
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2103 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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2104 *(Uint64 *) load = alpha; |
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2105 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2106 |
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2107 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
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2108 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
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2109 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
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2110 /* position alpha to allow for mullo and mulhi on diff channels |
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2111 to reduce the number of operations */ |
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2112 psllq_i2r(3, mm0); |
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2113 |
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2114 /* Setup the 555 color channel masks */ |
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2115 *(Uint64 *) load = 0x03E003E003E003E0ULL; |
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2116 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
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2117 *(Uint64 *) load = 0x001F001F001F001FULL; |
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2118 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
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2119 while (height--) { |
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2120 /* *INDENT-OFF* */ |
| 1542 | 2121 DUFFS_LOOP_QUATRO2( |
| 2122 { | |
| 2123 s = *srcp++; | |
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2124 d = *dstp; |
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2125 /* |
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2126 * shift out the middle component (green) to |
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2127 * the high 16 bits, and process all three RGB |
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2128 * components at the same time. |
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2129 */ |
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2130 s = (s | s << 16) & 0x03e07c1f; |
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2131 d = (d | d << 16) & 0x03e07c1f; |
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2132 d += (s - d) * alpha >> 5; |
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2133 d &= 0x03e07c1f; |
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2134 *dstp++ = d | d >> 16; |
| 1542 | 2135 },{ |
| 2136 s = *srcp++; | |
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2137 d = *dstp; |
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2138 /* |
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2139 * shift out the middle component (green) to |
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2140 * the high 16 bits, and process all three RGB |
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2141 * components at the same time. |
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2142 */ |
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2143 s = (s | s << 16) & 0x03e07c1f; |
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2144 d = (d | d << 16) & 0x03e07c1f; |
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2145 d += (s - d) * alpha >> 5; |
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2146 d &= 0x03e07c1f; |
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2147 *dstp++ = d | d >> 16; |
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2148 s = *srcp++; |
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2149 d = *dstp; |
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2150 /* |
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2151 * shift out the middle component (green) to |
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2152 * the high 16 bits, and process all three RGB |
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2153 * components at the same time. |
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2154 */ |
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2155 s = (s | s << 16) & 0x03e07c1f; |
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2156 d = (d | d << 16) & 0x03e07c1f; |
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2157 d += (s - d) * alpha >> 5; |
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2158 d &= 0x03e07c1f; |
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|
2159 *dstp++ = d | d >> 16; |
| 1542 | 2160 },{ |
| 2161 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2162 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2163 | |
| 2164 /* red -- process the bits in place */ | |
| 2165 psllq_i2r(5, mm4); /* turn MASKGREEN into MASKRED */ | |
| 2166 /* by reusing the GREEN mask we free up another mmx | |
| 2167 register to accumulate the result */ | |
| 2168 | |
| 2169 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2170 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2171 pand_r2r(mm4, mm5); /* src & MASKRED -> mm5 */ | |
| 2172 pand_r2r(mm4, mm6); /* dst & MASKRED -> mm6 */ | |
| 2173 | |
| 2174 /* blend */ | |
| 2175 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2176 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2177 /* 11 + 15 - 16 = 10 bits, uninteresting bits will be | |
| 2178 cleared by a MASK below */ | |
| 2179 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2180 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2181 pand_r2r(mm4, mm6); /* mm6 & MASKRED -> mm6 */ | |
| 2182 | |
| 2183 psrlq_i2r(5, mm4); /* turn MASKRED back into MASKGREEN */ | |
| 2184 | |
| 2185 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2186 | |
| 2187 /* green -- process the bits in place */ | |
| 2188 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2189 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2190 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2191 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2192 | |
| 2193 /* blend */ | |
| 2194 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2195 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2196 /* 11 + 10 - 16 = 5 bits, so all the lower uninteresting | |
| 2197 bits are gone and the sign bits present */ | |
| 2198 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2199 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2200 | |
| 2201 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2202 | |
| 2203 /* blue */ | |
| 2204 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2205 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2206 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2207 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2208 | |
| 2209 /* blend */ | |
| 2210 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2211 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2212 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2213 the interesting bits will need to be MASKed */ | |
| 2214 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2215 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2216 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2217 | |
| 2218 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2219 | |
| 2220 movq_r2m(mm1, *dstp);/* mm1 -> 4 dst pixels */ | |
| 2221 | |
| 2222 srcp += 4; | |
| 2223 dstp += 4; | |
|
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2224 }, width); |
|
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2225 /* *INDENT-ON* */ |
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2226 srcp += srcskip; |
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2227 dstp += dstskip; |
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2228 } |
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|
2229 emms(); |
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2230 } |
|
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Date: Tue, 19 Aug 2003 17:57:00 +0200
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2231 } |
|
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|
2232 |
| 1542 | 2233 /* End GCC_ASMBLIT */ |
| 2234 | |
| 2235 #elif MSVC_ASMBLIT | |
| 2236 /* fast RGB565->RGB565 blending with surface alpha */ | |
|
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|
2237 static void |
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|
2238 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2239 { |
|
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|
2240 unsigned alpha = info->src->alpha; |
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|
2241 if (alpha == 128) { |
|
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|
2242 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
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2243 } else { |
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|
2244 int width = info->d_width; |
|
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2245 int height = info->d_height; |
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2246 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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2247 int srcskip = info->s_skip >> 1; |
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2248 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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2249 int dstskip = info->d_skip >> 1; |
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2250 Uint32 s, d; |
|
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2251 |
|
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2252 __m64 src1, dst1, src2, dst2, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2253 |
|
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2254 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
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2255 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
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2256 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2257 |
|
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2258 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
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2259 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
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2260 /* position alpha to allow for mullo and mulhi on diff channels |
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|
2261 to reduce the number of operations */ |
|
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|
2262 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
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2263 |
|
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|
2264 /* Setup the 565 color channel masks */ |
|
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|
2265 gmask = _mm_set_pi32(0x07E007E0, 0x07E007E0); /* MASKGREEN -> gmask */ |
|
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|
2266 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
|
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2267 |
|
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|
2268 while (height--) { |
|
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|
2269 /* *INDENT-OFF* */ |
| 1542 | 2270 DUFFS_LOOP_QUATRO2( |
| 2271 { | |
| 2272 s = *srcp++; | |
| 2273 d = *dstp; | |
| 2274 /* | |
| 2275 * shift out the middle component (green) to | |
| 2276 * the high 16 bits, and process all three RGB | |
| 2277 * components at the same time. | |
| 2278 */ | |
| 2279 s = (s | s << 16) & 0x07e0f81f; | |
| 2280 d = (d | d << 16) & 0x07e0f81f; | |
| 2281 d += (s - d) * alpha >> 5; | |
| 2282 d &= 0x07e0f81f; | |
|
1546
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diff
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|
2283 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2284 },{ |
| 2285 s = *srcp++; | |
| 2286 d = *dstp; | |
| 2287 /* | |
| 2288 * shift out the middle component (green) to | |
| 2289 * the high 16 bits, and process all three RGB | |
| 2290 * components at the same time. | |
| 2291 */ | |
| 2292 s = (s | s << 16) & 0x07e0f81f; | |
| 2293 d = (d | d << 16) & 0x07e0f81f; | |
| 2294 d += (s - d) * alpha >> 5; | |
| 2295 d &= 0x07e0f81f; | |
|
1546
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1542
diff
changeset
|
2296 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2297 s = *srcp++; |
| 2298 d = *dstp; | |
| 2299 /* | |
| 2300 * shift out the middle component (green) to | |
| 2301 * the high 16 bits, and process all three RGB | |
| 2302 * components at the same time. | |
| 2303 */ | |
| 2304 s = (s | s << 16) & 0x07e0f81f; | |
| 2305 d = (d | d << 16) & 0x07e0f81f; | |
| 2306 d += (s - d) * alpha >> 5; | |
| 2307 d &= 0x07e0f81f; | |
|
1546
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diff
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|
2308 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2309 },{ |
| 2310 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2311 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2312 | |
| 2313 /* red */ | |
| 2314 src2 = src1; | |
| 2315 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 [000r 000r 000r 000r] */ | |
| 2316 | |
| 2317 dst2 = dst1; | |
| 2318 dst2 = _mm_srli_pi16(dst2, 11); /* dst2 >> 11 -> dst2 [000r 000r 000r 000r] */ | |
| 2319 | |
| 2320 /* blend */ | |
| 2321 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2322 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2323 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2324 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2325 dst2 = _mm_slli_pi16(dst2, 11); /* dst2 << 11 -> dst2 */ | |
| 2326 | |
| 2327 mm_res = dst2; /* RED -> mm_res */ | |
| 2328 | |
| 2329 /* green -- process the bits in place */ | |
| 2330 src2 = src1; | |
| 2331 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2332 | |
| 2333 dst2 = dst1; | |
| 2334 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2335 | |
| 2336 /* blend */ | |
| 2337 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2338 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2339 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2340 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2341 | |
| 2342 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2343 | |
| 2344 /* blue */ | |
| 2345 src2 = src1; | |
| 2346 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2347 | |
| 2348 dst2 = dst1; | |
| 2349 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2350 | |
| 2351 /* blend */ | |
| 2352 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2353 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2354 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2355 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2356 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2357 | |
| 2358 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2359 | |
| 2360 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2361 | |
| 2362 srcp += 4; | |
| 2363 dstp += 4; | |
|
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2364 }, width); |
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2365 /* *INDENT-ON* */ |
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2366 srcp += srcskip; |
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2367 dstp += dstskip; |
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2368 } |
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2369 _mm_empty(); |
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2370 } |
| 1542 | 2371 } |
| 2372 | |
| 2373 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
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2374 static void |
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2375 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2376 { |
|
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2377 unsigned alpha = info->src->alpha; |
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2378 if (alpha == 128) { |
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2379 Blit16to16SurfaceAlpha128(info, 0xfbde); |
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2380 } else { |
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2381 int width = info->d_width; |
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2382 int height = info->d_height; |
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2383 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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2384 int srcskip = info->s_skip >> 1; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2385 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2386 int dstskip = info->d_skip >> 1; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2387 Uint32 s, d; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2388 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2389 __m64 src1, dst1, src2, dst2, rmask, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2390 |
|
1895
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parents:
1795
diff
changeset
|
2391 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2392 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2393 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2394 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2395 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2396 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2397 /* position alpha to allow for mullo and mulhi on diff channels |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2398 to reduce the number of operations */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2399 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
| 1542 | 2400 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2401 /* Setup the 555 color channel masks */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2402 rmask = _mm_set_pi32(0x7C007C00, 0x7C007C00); /* MASKRED -> rmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2403 gmask = _mm_set_pi32(0x03E003E0, 0x03E003E0); /* MASKGREEN -> gmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2404 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2405 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2406 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2407 /* *INDENT-OFF* */ |
| 1542 | 2408 DUFFS_LOOP_QUATRO2( |
| 2409 { | |
| 2410 s = *srcp++; | |
| 2411 d = *dstp; | |
| 2412 /* | |
| 2413 * shift out the middle component (green) to | |
| 2414 * the high 16 bits, and process all three RGB | |
| 2415 * components at the same time. | |
| 2416 */ | |
| 2417 s = (s | s << 16) & 0x03e07c1f; | |
| 2418 d = (d | d << 16) & 0x03e07c1f; | |
| 2419 d += (s - d) * alpha >> 5; | |
| 2420 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2421 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2422 },{ |
| 2423 s = *srcp++; | |
| 2424 d = *dstp; | |
| 2425 /* | |
| 2426 * shift out the middle component (green) to | |
| 2427 * the high 16 bits, and process all three RGB | |
| 2428 * components at the same time. | |
| 2429 */ | |
| 2430 s = (s | s << 16) & 0x03e07c1f; | |
| 2431 d = (d | d << 16) & 0x03e07c1f; | |
| 2432 d += (s - d) * alpha >> 5; | |
| 2433 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2434 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2435 s = *srcp++; |
| 2436 d = *dstp; | |
| 2437 /* | |
| 2438 * shift out the middle component (green) to | |
| 2439 * the high 16 bits, and process all three RGB | |
| 2440 * components at the same time. | |
| 2441 */ | |
| 2442 s = (s | s << 16) & 0x03e07c1f; | |
| 2443 d = (d | d << 16) & 0x03e07c1f; | |
| 2444 d += (s - d) * alpha >> 5; | |
| 2445 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2446 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2447 },{ |
| 2448 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2449 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2450 | |
| 2451 /* red -- process the bits in place */ | |
| 2452 src2 = src1; | |
| 2453 src2 = _mm_and_si64(src2, rmask); /* src & MASKRED -> src2 */ | |
| 2454 | |
| 2455 dst2 = dst1; | |
| 2456 dst2 = _mm_and_si64(dst2, rmask); /* dst & MASKRED -> dst2 */ | |
| 2457 | |
| 2458 /* blend */ | |
| 2459 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2460 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2461 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2462 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2463 dst2 = _mm_and_si64(dst2, rmask); /* dst2 & MASKRED -> dst2 */ | |
| 2464 | |
| 2465 mm_res = dst2; /* RED -> mm_res */ | |
| 2466 | |
| 2467 /* green -- process the bits in place */ | |
| 2468 src2 = src1; | |
| 2469 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2470 | |
| 2471 dst2 = dst1; | |
| 2472 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2473 | |
| 2474 /* blend */ | |
| 2475 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2476 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2477 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2478 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2479 | |
| 2480 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2481 | |
| 2482 /* blue */ | |
| 2483 src2 = src1; /* src -> src2 */ | |
| 2484 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2485 | |
| 2486 dst2 = dst1; /* dst -> dst2 */ | |
| 2487 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2488 | |
| 2489 /* blend */ | |
| 2490 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2491 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2492 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2493 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2494 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2495 | |
| 2496 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2497 | |
| 2498 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2499 | |
| 2500 srcp += 4; | |
| 2501 dstp += 4; | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2502 }, width); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2503 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2504 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2505 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2506 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2507 _mm_empty(); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2508 } |
| 1542 | 2509 } |
| 2510 #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
|
2511 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2512 /* fast RGB565->RGB565 blending with surface alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2513 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2514 Blit565to565SurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2515 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2516 unsigned alpha = info->src->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2517 if (alpha == 128) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2518 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2519 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2520 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2521 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2522 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2523 int srcskip = info->s_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2524 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2525 int dstskip = info->d_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2526 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
|
2527 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2528 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2529 /* *INDENT-OFF* */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2530 DUFFS_LOOP4({ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2531 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2532 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2533 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2534 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2535 * 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
|
2536 * components at the same time. |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2537 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2538 s = (s | s << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2539 d = (d | d << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2540 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2541 d &= 0x07e0f81f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2542 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2543 }, width); |
|
1895
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diff
changeset
|
2544 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
2545 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2546 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2547 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2548 } |
| 0 | 2549 } |
| 2550 | |
| 2551 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
2552 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2553 Blit555to555SurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2554 { |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
2555 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2556 if (alpha == 128) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2557 Blit16to16SurfaceAlpha128(info, 0xfbde); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2558 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2559 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2560 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2561 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2562 int srcskip = info->s_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2563 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2564 int dstskip = info->d_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2565 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 0 | 2566 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2567 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2568 /* *INDENT-OFF* */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2569 DUFFS_LOOP4({ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2570 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2571 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2572 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2573 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2574 * 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
|
2575 * components at the same time. |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2576 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2577 s = (s | s << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2578 d = (d | d << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2579 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2580 d &= 0x03e07c1f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2581 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2582 }, width); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2583 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2584 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2585 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2586 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2587 } |
| 0 | 2588 } |
| 2589 | |
| 2590 /* fast ARGB8888->RGB565 blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2591 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2592 BlitARGBto565PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2593 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2594 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2595 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2596 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2597 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2598 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2599 int dstskip = info->d_skip >> 1; |
| 0 | 2600 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2601 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2602 /* *INDENT-OFF* */ |
| 0 | 2603 DUFFS_LOOP4({ |
| 2604 Uint32 s = *srcp; | |
| 2605 unsigned alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2606 /* FIXME: Here we special-case opaque alpha since the | |
| 2607 compositioning used (>>8 instead of /255) doesn't handle | |
| 2608 it correctly. Also special-case alpha=0 for speed? | |
| 2609 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2610 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2611 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2612 *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
|
2613 } else { |
| 0 | 2614 Uint32 d = *dstp; |
| 2615 /* | |
| 2616 * convert source and destination to G0RAB65565 | |
| 2617 * and blend all components at the same time | |
| 2618 */ | |
| 2619 s = ((s & 0xfc00) << 11) + (s >> 8 & 0xf800) | |
| 2620 + (s >> 3 & 0x1f); | |
| 2621 d = (d | d << 16) & 0x07e0f81f; | |
| 2622 d += (s - d) * alpha >> 5; | |
| 2623 d &= 0x07e0f81f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2624 *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
|
2625 } |
| 0 | 2626 } |
| 2627 srcp++; | |
| 2628 dstp++; | |
| 2629 }, width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2630 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2631 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2632 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2633 } |
| 0 | 2634 } |
| 2635 | |
| 2636 /* fast ARGB8888->RGB555 blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2637 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2638 BlitARGBto555PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2639 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2640 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2641 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2642 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2643 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2644 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2645 int dstskip = info->d_skip >> 1; |
| 0 | 2646 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2647 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2648 /* *INDENT-OFF* */ |
| 0 | 2649 DUFFS_LOOP4({ |
| 2650 unsigned alpha; | |
| 2651 Uint32 s = *srcp; | |
| 2652 alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2653 /* FIXME: Here we special-case opaque alpha since the | |
| 2654 compositioning used (>>8 instead of /255) doesn't handle | |
| 2655 it correctly. Also special-case alpha=0 for speed? | |
| 2656 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2657 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2658 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2659 *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
|
2660 } else { |
| 0 | 2661 Uint32 d = *dstp; |
| 2662 /* | |
| 2663 * convert source and destination to G0RAB65565 | |
| 2664 * and blend all components at the same time | |
| 2665 */ | |
| 2666 s = ((s & 0xf800) << 10) + (s >> 9 & 0x7c00) | |
| 2667 + (s >> 3 & 0x1f); | |
| 2668 d = (d | d << 16) & 0x03e07c1f; | |
| 2669 d += (s - d) * alpha >> 5; | |
| 2670 d &= 0x03e07c1f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2671 *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
|
2672 } |
| 0 | 2673 } |
| 2674 srcp++; | |
| 2675 dstp++; | |
| 2676 }, width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2677 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2678 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2679 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2680 } |
| 0 | 2681 } |
| 2682 | |
| 2683 /* General (slow) N->N blending with per-surface alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2684 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2685 BlitNtoNSurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2686 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2687 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2688 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2689 Uint8 *src = info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2690 int srcskip = info->s_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2691 Uint8 *dst = info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2692 int dstskip = info->d_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2693 SDL_PixelFormat *srcfmt = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2694 SDL_PixelFormat *dstfmt = info->dst; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2695 int srcbpp = srcfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2696 int dstbpp = dstfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2697 unsigned sA = srcfmt->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2698 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2699 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2700 if (sA) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2701 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2702 /* *INDENT-OFF* */ |
| 0 | 2703 DUFFS_LOOP4( |
| 2704 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2705 Uint32 Pixel; |
| 0 | 2706 unsigned sR; |
| 2707 unsigned sG; | |
| 2708 unsigned sB; | |
| 2709 unsigned dR; | |
| 2710 unsigned dG; | |
| 2711 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
|
2712 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
|
2713 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2714 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2715 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2716 src += srcbpp; | |
| 2717 dst += dstbpp; | |
| 2718 }, | |
| 2719 width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2720 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2721 src += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2722 dst += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2723 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2724 } |
| 0 | 2725 } |
| 2726 | |
| 2727 /* General (slow) colorkeyed N->N blending with per-surface alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2728 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2729 BlitNtoNSurfaceAlphaKey(SDL_BlitInfo * info) |
| 0 | 2730 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2731 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2732 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2733 Uint8 *src = info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2734 int srcskip = info->s_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2735 Uint8 *dst = info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2736 int dstskip = info->d_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2737 SDL_PixelFormat *srcfmt = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2738 SDL_PixelFormat *dstfmt = info->dst; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2739 Uint32 ckey = srcfmt->colorkey; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2740 int srcbpp = srcfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2741 int dstbpp = dstfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2742 unsigned sA = srcfmt->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2743 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2744 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2745 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2746 /* *INDENT-OFF* */ |
| 0 | 2747 DUFFS_LOOP4( |
| 2748 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2749 Uint32 Pixel; |
| 0 | 2750 unsigned sR; |
| 2751 unsigned sG; | |
| 2752 unsigned sB; | |
| 2753 unsigned dR; | |
| 2754 unsigned dG; | |
| 2755 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
|
2756 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
|
2757 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
|
2758 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
|
2759 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2760 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2761 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2762 } | |
| 2763 src += srcbpp; | |
| 2764 dst += dstbpp; | |
| 2765 }, | |
| 2766 width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2767 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2768 src += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2769 dst += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2770 } |
| 0 | 2771 } |
| 2772 | |
| 2773 /* General (slow) N->N blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2774 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2775 BlitNtoNPixelAlpha(SDL_BlitInfo * info) |
| 0 | 2776 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2777 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2778 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2779 Uint8 *src = info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2780 int srcskip = info->s_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2781 Uint8 *dst = info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2782 int dstskip = info->d_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2783 SDL_PixelFormat *srcfmt = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2784 SDL_PixelFormat *dstfmt = info->dst; |
| 0 | 2785 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2786 int srcbpp; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2787 int dstbpp; |
| 0 | 2788 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2789 /* Set up some basic variables */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2790 srcbpp = srcfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2791 dstbpp = dstfmt->BytesPerPixel; |
| 0 | 2792 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2793 /* FIXME: for 8bpp source alpha, this doesn't get opaque values |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2794 quite right. for <8bpp source alpha, it gets them very wrong |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2795 (check all macros!) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2796 It is unclear whether there is a good general solution that doesn't |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2797 need a branch (or a divide). */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2798 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2799 /* *INDENT-OFF* */ |
| 0 | 2800 DUFFS_LOOP4( |
| 2801 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2802 Uint32 Pixel; |
| 0 | 2803 unsigned sR; |
| 2804 unsigned sG; | |
| 2805 unsigned sB; | |
| 2806 unsigned dR; | |
| 2807 unsigned dG; | |
| 2808 unsigned dB; | |
| 2809 unsigned sA; | |
| 2810 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
|
2811 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
|
2812 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
|
2813 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
|
2814 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
|
2815 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
|
2816 } |
| 0 | 2817 src += srcbpp; |
| 2818 dst += dstbpp; | |
| 2819 }, | |
| 2820 width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2821 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2822 src += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2823 dst += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2824 } |
| 0 | 2825 } |
| 2826 | |
| 2827 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2828 SDL_loblit |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2829 SDL_CalculateAlphaBlit(SDL_Surface * surface, int blit_index) |
| 0 | 2830 { |
| 2831 SDL_PixelFormat *sf = surface->format; | |
| 2832 SDL_PixelFormat *df = surface->map->dst->format; | |
| 2833 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2834 if (sf->Amask == 0) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2835 if ((surface->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2836 if (df->BytesPerPixel == 1) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2837 return BlitNto1SurfaceAlphaKey; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2838 else |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2839 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2840 if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 && |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2841 !(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2842 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2843 return Blit32to32SurfaceAlphaKeyAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2844 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2845 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2846 return BlitNtoNSurfaceAlphaKey; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2847 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2848 /* Per-surface alpha blits */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2849 switch (df->BytesPerPixel) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2850 case 1: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2851 return BlitNto1SurfaceAlpha; |
| 0 | 2852 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2853 case 2: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2854 if (surface->map->identity) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2855 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
|
2856 #if MMX_ASMBLIT |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2857 if (SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2858 return Blit565to565SurfaceAlphaMMX; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2859 else |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2860 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2861 return Blit565to565SurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2862 } 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
|
2863 #if MMX_ASMBLIT |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2864 if (SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2865 return Blit555to555SurfaceAlphaMMX; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2866 else |
| 1542 | 2867 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2868 return Blit555to555SurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2869 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2870 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2871 return BlitNtoNSurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2872 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2873 case 4: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2874 if (sf->Rmask == df->Rmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2875 && sf->Gmask == df->Gmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2876 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2877 #if MMX_ASMBLIT |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2878 if (sf->Rshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2879 && sf->Gshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2880 && sf->Bshift % 8 == 0 && SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2881 return BlitRGBtoRGBSurfaceAlphaMMX; |
| 1542 | 2882 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2883 if ((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) { |
| 1542 | 2884 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2885 if (!(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2886 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2887 return BlitRGBtoRGBSurfaceAlphaAltivec; |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2888 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2889 return BlitRGBtoRGBSurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2890 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2891 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2892 #if SDL_ALTIVEC_BLITTERS |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2893 if ((sf->BytesPerPixel == 4) && |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2894 !(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2895 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2896 return Blit32to32SurfaceAlphaAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2897 else |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2898 #endif |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2899 return BlitNtoNSurfaceAlpha; |
| 0 | 2900 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2901 case 3: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2902 default: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2903 return BlitNtoNSurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2904 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2905 } |
| 0 | 2906 } else { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2907 /* Per-pixel alpha blits */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2908 switch (df->BytesPerPixel) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2909 case 1: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2910 return BlitNto1PixelAlpha; |
| 0 | 2911 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2912 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
|
2913 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2914 if (sf->BytesPerPixel == 4 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2915 && !(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2916 && df->Gmask == 0x7e0 && df->Bmask == 0x1f |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2917 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2918 return Blit32to565PixelAlphaAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2919 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2920 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2921 if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2922 && sf->Gmask == 0xff00 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2923 && ((sf->Rmask == 0xff && df->Rmask == 0x1f) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2924 || (sf->Bmask == 0xff && df->Bmask == 0x1f))) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2925 if (df->Gmask == 0x7e0) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2926 return BlitARGBto565PixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2927 else if (df->Gmask == 0x3e0) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2928 return BlitARGBto555PixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2929 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2930 return BlitNtoNPixelAlpha; |
| 0 | 2931 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2932 case 4: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2933 if (sf->Rmask == df->Rmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2934 && sf->Gmask == df->Gmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2935 && 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
|
2936 #if MMX_ASMBLIT |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2937 if (sf->Rshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2938 && sf->Gshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2939 && sf->Bshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2940 && sf->Ashift % 8 == 0 && sf->Aloss == 0) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2941 if (SDL_Has3DNow()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2942 return BlitRGBtoRGBPixelAlphaMMX3DNOW; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2943 if (SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2944 return BlitRGBtoRGBPixelAlphaMMX; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2945 } |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2946 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2947 if (sf->Amask == 0xff000000) { |
|
1617
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2948 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2949 if (!(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2950 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2951 return BlitRGBtoRGBPixelAlphaAltivec; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2952 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2953 return BlitRGBtoRGBPixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2954 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2955 } |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2956 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2957 if (sf->Amask && sf->BytesPerPixel == 4 && |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2958 !(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2959 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2960 return Blit32to32PixelAlphaAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2961 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2962 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2963 return BlitNtoNPixelAlpha; |
| 0 | 2964 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2965 case 3: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2966 default: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2967 return BlitNtoNPixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2968 } |
| 0 | 2969 } |
| 2970 } | |
| 2971 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2972 /* vi: set ts=4 sw=4 expandtab: */ |