Mercurial > sdl-ios-xcode
annotate src/video/SDL_blit_A.c @ 4016:3f93ccc2c01e SDL-1.2
Clear the NOFRAME and RESIZABLE flags in the X11 target before setting their
new values, so multiple calls to SetVideoMode() that toggle these will end
up with the right data.
Fixes Bugzilla #441.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sun, 08 Jul 2007 01:50:26 +0000 |
| parents | 5fbd763b1c88 |
| children | a1b03ba2fcd0 |
| 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) |
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38 # if (_MSC_VER <= 1200) |
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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 |
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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 */ | |
| 65 static void BlitNto1SurfaceAlpha(SDL_BlitInfo *info) | |
| 66 { | |
| 67 int width = info->d_width; | |
| 68 int height = info->d_height; | |
| 69 Uint8 *src = info->s_pixels; | |
| 70 int srcskip = info->s_skip; | |
| 71 Uint8 *dst = info->d_pixels; | |
| 72 int dstskip = info->d_skip; | |
| 73 Uint8 *palmap = info->table; | |
| 74 SDL_PixelFormat *srcfmt = info->src; | |
| 75 SDL_PixelFormat *dstfmt = info->dst; | |
| 76 int srcbpp = srcfmt->BytesPerPixel; | |
| 77 | |
| 78 const unsigned A = srcfmt->alpha; | |
| 79 | |
| 80 while ( height-- ) { | |
| 81 DUFFS_LOOP4( | |
| 82 { | |
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83 Uint32 Pixel; |
| 0 | 84 unsigned sR; |
| 85 unsigned sG; | |
| 86 unsigned sB; | |
| 87 unsigned dR; | |
| 88 unsigned dG; | |
| 89 unsigned dB; | |
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90 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
| 0 | 91 dR = dstfmt->palette->colors[*dst].r; |
| 92 dG = dstfmt->palette->colors[*dst].g; | |
| 93 dB = dstfmt->palette->colors[*dst].b; | |
| 94 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
| 95 dR &= 0xff; | |
| 96 dG &= 0xff; | |
| 97 dB &= 0xff; | |
| 98 /* Pack RGB into 8bit pixel */ | |
| 99 if ( palmap == NULL ) { | |
| 100 *dst =((dR>>5)<<(3+2))| | |
| 101 ((dG>>5)<<(2))| | |
| 102 ((dB>>6)<<(0)); | |
| 103 } else { | |
| 104 *dst = palmap[((dR>>5)<<(3+2))| | |
| 105 ((dG>>5)<<(2)) | | |
| 106 ((dB>>6)<<(0))]; | |
| 107 } | |
| 108 dst++; | |
| 109 src += srcbpp; | |
| 110 }, | |
| 111 width); | |
| 112 src += srcskip; | |
| 113 dst += dstskip; | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 /* N->1 blending with pixel alpha */ | |
| 118 static void BlitNto1PixelAlpha(SDL_BlitInfo *info) | |
| 119 { | |
| 120 int width = info->d_width; | |
| 121 int height = info->d_height; | |
| 122 Uint8 *src = info->s_pixels; | |
| 123 int srcskip = info->s_skip; | |
| 124 Uint8 *dst = info->d_pixels; | |
| 125 int dstskip = info->d_skip; | |
| 126 Uint8 *palmap = info->table; | |
| 127 SDL_PixelFormat *srcfmt = info->src; | |
| 128 SDL_PixelFormat *dstfmt = info->dst; | |
| 129 int srcbpp = srcfmt->BytesPerPixel; | |
| 130 | |
| 131 /* FIXME: fix alpha bit field expansion here too? */ | |
| 132 while ( height-- ) { | |
| 133 DUFFS_LOOP4( | |
| 134 { | |
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135 Uint32 Pixel; |
| 0 | 136 unsigned sR; |
| 137 unsigned sG; | |
| 138 unsigned sB; | |
| 139 unsigned sA; | |
| 140 unsigned dR; | |
| 141 unsigned dG; | |
| 142 unsigned dB; | |
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143 DISEMBLE_RGBA(src,srcbpp,srcfmt,Pixel,sR,sG,sB,sA); |
| 0 | 144 dR = dstfmt->palette->colors[*dst].r; |
| 145 dG = dstfmt->palette->colors[*dst].g; | |
| 146 dB = dstfmt->palette->colors[*dst].b; | |
| 147 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); | |
| 148 dR &= 0xff; | |
| 149 dG &= 0xff; | |
| 150 dB &= 0xff; | |
| 151 /* Pack RGB into 8bit pixel */ | |
| 152 if ( palmap == NULL ) { | |
| 153 *dst =((dR>>5)<<(3+2))| | |
| 154 ((dG>>5)<<(2))| | |
| 155 ((dB>>6)<<(0)); | |
| 156 } else { | |
| 157 *dst = palmap[((dR>>5)<<(3+2))| | |
| 158 ((dG>>5)<<(2)) | | |
| 159 ((dB>>6)<<(0)) ]; | |
| 160 } | |
| 161 dst++; | |
| 162 src += srcbpp; | |
| 163 }, | |
| 164 width); | |
| 165 src += srcskip; | |
| 166 dst += dstskip; | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 /* colorkeyed N->1 blending with per-surface alpha */ | |
| 171 static void BlitNto1SurfaceAlphaKey(SDL_BlitInfo *info) | |
| 172 { | |
| 173 int width = info->d_width; | |
| 174 int height = info->d_height; | |
| 175 Uint8 *src = info->s_pixels; | |
| 176 int srcskip = info->s_skip; | |
| 177 Uint8 *dst = info->d_pixels; | |
| 178 int dstskip = info->d_skip; | |
| 179 Uint8 *palmap = info->table; | |
| 180 SDL_PixelFormat *srcfmt = info->src; | |
| 181 SDL_PixelFormat *dstfmt = info->dst; | |
| 182 int srcbpp = srcfmt->BytesPerPixel; | |
| 183 Uint32 ckey = srcfmt->colorkey; | |
| 184 | |
| 185 const int A = srcfmt->alpha; | |
| 186 | |
| 187 while ( height-- ) { | |
| 188 DUFFS_LOOP( | |
| 189 { | |
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190 Uint32 Pixel; |
| 0 | 191 unsigned sR; |
| 192 unsigned sG; | |
| 193 unsigned sB; | |
| 194 unsigned dR; | |
| 195 unsigned dG; | |
| 196 unsigned dB; | |
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197 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
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198 if ( Pixel != ckey ) { |
| 0 | 199 dR = dstfmt->palette->colors[*dst].r; |
| 200 dG = dstfmt->palette->colors[*dst].g; | |
| 201 dB = dstfmt->palette->colors[*dst].b; | |
| 202 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
| 203 dR &= 0xff; | |
| 204 dG &= 0xff; | |
| 205 dB &= 0xff; | |
| 206 /* Pack RGB into 8bit pixel */ | |
| 207 if ( palmap == NULL ) { | |
| 208 *dst =((dR>>5)<<(3+2))| | |
| 209 ((dG>>5)<<(2)) | | |
| 210 ((dB>>6)<<(0)); | |
| 211 } else { | |
| 212 *dst = palmap[((dR>>5)<<(3+2))| | |
| 213 ((dG>>5)<<(2)) | | |
| 214 ((dB>>6)<<(0)) ]; | |
| 215 } | |
| 216 } | |
| 217 dst++; | |
| 218 src += srcbpp; | |
| 219 }, | |
| 220 width); | |
| 221 src += srcskip; | |
| 222 dst += dstskip; | |
| 223 } | |
| 224 } | |
| 225 | |
| 1542 | 226 #if GCC_ASMBLIT |
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227 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
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228 static void BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo *info) |
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229 { |
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230 int width = info->d_width; |
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231 int height = info->d_height; |
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232 Uint32 *srcp = (Uint32 *)info->s_pixels; |
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233 int srcskip = info->s_skip >> 2; |
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234 Uint32 *dstp = (Uint32 *)info->d_pixels; |
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235 int dstskip = info->d_skip >> 2; |
| 1542 | 236 Uint32 dalpha = info->dst->Amask; |
| 237 Uint8 load[8]; | |
| 238 | |
| 239 *(Uint64 *)load = 0x00fefefe00fefefeULL;/* alpha128 mask */ | |
| 240 movq_m2r(*load, mm4); /* alpha128 mask -> mm4 */ | |
| 241 *(Uint64 *)load = 0x0001010100010101ULL;/* !alpha128 mask */ | |
| 242 movq_m2r(*load, mm3); /* !alpha128 mask -> mm3 */ | |
| 243 movd_m2r(dalpha, mm7); /* dst alpha mask */ | |
| 244 punpckldq_r2r(mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */ | |
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245 while(height--) { |
| 1542 | 246 DUFFS_LOOP_DOUBLE2( |
| 247 { | |
| 248 Uint32 s = *srcp++; | |
| 249 Uint32 d = *dstp; | |
| 250 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) | |
| 251 + (s & d & 0x00010101)) | dalpha; | |
| 252 },{ | |
| 253 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */ | |
| 254 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */ | |
| 255 | |
| 256 movq_m2r((*srcp), mm1);/* 2 x src -> mm1(ARGBARGB) */ | |
| 257 movq_r2r(mm1, mm5); /* 2 x src -> mm5(ARGBARGB) */ | |
| 258 | |
| 259 pand_r2r(mm4, mm6); /* dst & mask -> mm6 */ | |
| 260 pand_r2r(mm4, mm5); /* src & mask -> mm5 */ | |
| 261 paddd_r2r(mm6, mm5); /* mm6 + mm5 -> mm5 */ | |
| 262 pand_r2r(mm1, mm2); /* src & dst -> mm2 */ | |
| 263 psrld_i2r(1, mm5); /* mm5 >> 1 -> mm5 */ | |
| 264 pand_r2r(mm3, mm2); /* mm2 & !mask -> mm2 */ | |
| 265 paddd_r2r(mm5, mm2); /* mm5 + mm2 -> mm2 */ | |
| 266 | |
| 267 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ | |
| 268 movq_r2m(mm2, (*dstp));/* mm2 -> 2 x dst pixels */ | |
| 269 dstp += 2; | |
| 270 srcp += 2; | |
| 271 }, width); | |
| 272 srcp += srcskip; | |
| 273 dstp += dstskip; | |
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274 } |
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275 emms(); |
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276 } |
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277 |
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278 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
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279 static void BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo *info) |
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280 { |
| 1542 | 281 SDL_PixelFormat* df = info->dst; |
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282 unsigned alpha = info->src->alpha; |
| 1542 | 283 |
| 284 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { | |
| 285 /* only call a128 version when R,G,B occupy lower bits */ | |
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286 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
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287 } else { |
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288 int width = info->d_width; |
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289 int height = info->d_height; |
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290 Uint32 *srcp = (Uint32 *)info->s_pixels; |
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291 int srcskip = info->s_skip >> 2; |
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292 Uint32 *dstp = (Uint32 *)info->d_pixels; |
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293 int dstskip = info->d_skip >> 2; |
| 1542 | 294 |
| 295 pxor_r2r(mm5, mm5); /* 0 -> mm5 */ | |
| 296 /* form the alpha mult */ | |
| 297 movd_m2r(alpha, mm4); /* 0000000A -> mm4 */ | |
| 298 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ | |
| 299 punpckldq_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ | |
| 300 alpha = (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df->Bshift); | |
| 301 movd_m2r(alpha, mm0); /* 00000FFF -> mm0 */ | |
| 302 punpcklbw_r2r(mm0, mm0); /* 00FFFFFF -> mm0 */ | |
| 303 pand_r2r(mm0, mm4); /* 0A0A0A0A -> mm4, minus 1 chan */ | |
| 304 /* at this point mm4 can be 000A0A0A or 0A0A0A00 or another combo */ | |
| 305 movd_m2r(df->Amask, mm7); /* dst alpha mask */ | |
| 306 punpckldq_r2r(mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */ | |
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307 |
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308 while(height--) { |
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309 DUFFS_LOOP_DOUBLE2({ |
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310 /* One Pixel Blend */ |
| 1542 | 311 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ |
| 312 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 313 punpcklbw_r2r(mm5, mm1); /* 0A0R0G0B -> mm1(src) */ | |
| 314 punpcklbw_r2r(mm5, mm2); /* 0A0R0G0B -> mm2(dst) */ | |
| 315 | |
| 316 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ | |
| 317 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 318 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */ | |
| 319 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ | |
| 320 | |
| 321 packuswb_r2r(mm5, mm2); /* ARGBARGB -> mm2 */ | |
| 322 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ | |
| 323 movd_r2m(mm2, *dstp);/* mm2 -> pixel */ | |
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324 ++srcp; |
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325 ++dstp; |
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326 },{ |
| 1542 | 327 /* Two Pixels Blend */ |
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328 movq_m2r((*srcp), mm0);/* 2 x src -> mm0(ARGBARGB)*/ |
| 1542 | 329 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */ |
| 330 movq_r2r(mm0, mm1); /* 2 x src -> mm1(ARGBARGB) */ | |
| 331 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */ | |
| 332 | |
| 333 punpcklbw_r2r(mm5, mm0); /* low - 0A0R0G0B -> mm0(src1) */ | |
| 334 punpckhbw_r2r(mm5, mm1); /* high - 0A0R0G0B -> mm1(src2) */ | |
| 335 punpcklbw_r2r(mm5, mm2); /* low - 0A0R0G0B -> mm2(dst1) */ | |
| 336 punpckhbw_r2r(mm5, mm6); /* high - 0A0R0G0B -> mm6(dst2) */ | |
| 337 | |
| 338 psubw_r2r(mm2, mm0);/* src1 - dst1 -> mm0 */ | |
| 339 pmullw_r2r(mm4, mm0); /* mm0 * alpha -> mm0 */ | |
| 340 psrlw_i2r(8, mm0); /* mm0 >> 8 -> mm1 */ | |
| 341 paddb_r2r(mm0, mm2); /* mm0 + mm2(dst1) -> mm2 */ | |
| 342 | |
| 343 psubw_r2r(mm6, mm1);/* src2 - dst2 -> mm1 */ | |
| 344 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 345 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */ | |
| 346 paddb_r2r(mm1, mm6); /* mm1 + mm6(dst2) -> mm6 */ | |
| 347 | |
| 348 packuswb_r2r(mm6, mm2); /* ARGBARGB -> mm2 */ | |
| 349 por_r2r(mm7, mm2); /* mm7(dst alpha) | mm2 -> mm2 */ | |
| 350 | |
| 351 movq_r2m(mm2, *dstp);/* mm2 -> 2 x pixel */ | |
| 352 | |
| 353 srcp += 2; | |
| 354 dstp += 2; | |
| 355 }, width); | |
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356 srcp += srcskip; |
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357 dstp += dstskip; |
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358 } |
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359 emms(); |
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360 } |
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361 } |
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362 |
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363 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
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364 static void BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo *info) |
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365 { |
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366 int width = info->d_width; |
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367 int height = info->d_height; |
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368 Uint32 *srcp = (Uint32 *)info->s_pixels; |
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369 int srcskip = info->s_skip >> 2; |
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370 Uint32 *dstp = (Uint32 *)info->d_pixels; |
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371 int dstskip = info->d_skip >> 2; |
| 1542 | 372 SDL_PixelFormat* sf = info->src; |
| 373 Uint32 amask = sf->Amask; | |
| 374 | |
| 375 pxor_r2r(mm6, mm6); /* 0 -> mm6 */ | |
| 376 /* form multiplication mask */ | |
| 377 movd_m2r(sf->Amask, mm7); /* 0000F000 -> mm7 */ | |
| 378 punpcklbw_r2r(mm7, mm7); /* FF000000 -> mm7 */ | |
| 379 pcmpeqb_r2r(mm0, mm0); /* FFFFFFFF -> mm0 */ | |
| 380 movq_r2r(mm0, mm3); /* FFFFFFFF -> mm3 (for later) */ | |
| 381 pxor_r2r(mm0, mm7); /* 00FFFFFF -> mm7 (mult mask) */ | |
| 382 /* form channel masks */ | |
| 383 movq_r2r(mm7, mm0); /* 00FFFFFF -> mm0 */ | |
| 384 packsswb_r2r(mm6, mm0); /* 00000FFF -> mm0 (channel mask) */ | |
| 385 packsswb_r2r(mm6, mm3); /* 0000FFFF -> mm3 */ | |
| 386 pxor_r2r(mm0, mm3); /* 0000F000 -> mm3 (~channel mask) */ | |
| 387 /* get alpha channel shift */ | |
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388 __asm__ __volatile__ ( |
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389 "movd %0, %%mm5" |
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390 : : "rm" ((Uint32) sf->Ashift) ); /* Ashift -> mm5 */ |
| 1542 | 391 |
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392 while(height--) { |
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393 DUFFS_LOOP4({ |
| 1542 | 394 Uint32 alpha = *srcp & amask; |
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395 /* FIXME: Here we special-case opaque alpha since the |
| 1542 | 396 compositioning used (>>8 instead of /255) doesn't handle |
| 397 it correctly. Also special-case alpha=0 for speed? | |
| 398 Benchmark this! */ | |
| 399 if(alpha == 0) { | |
| 400 /* do nothing */ | |
| 401 } else if(alpha == amask) { | |
| 402 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 403 /* using MMX here to free up regular registers for other things */ | |
| 404 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 405 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 406 pand_r2r(mm0, mm1); /* src & chanmask -> mm1 */ | |
| 407 pand_r2r(mm3, mm2); /* dst & ~chanmask -> mm2 */ | |
| 408 por_r2r(mm1, mm2); /* src | dst -> mm2 */ | |
| 409 movd_r2m(mm2, (*dstp)); /* mm2 -> dst */ | |
| 410 } else { | |
| 411 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 412 punpcklbw_r2r(mm6, mm1); /* 0A0R0G0B -> mm1 */ | |
| 413 | |
| 414 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 415 punpcklbw_r2r(mm6, mm2); /* 0A0R0G0B -> mm2 */ | |
| 416 | |
| 417 __asm__ __volatile__ ( | |
| 418 "movd %0, %%mm4" | |
| 419 : : "r" (alpha) ); /* 0000A000 -> mm4 */ | |
| 420 psrld_r2r(mm5, mm4); /* mm4 >> mm5 -> mm4 (0000000A) */ | |
| 421 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ | |
| 422 punpcklwd_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ | |
| 423 pand_r2r(mm7, mm4); /* 000A0A0A -> mm4, preserve dst alpha on add */ | |
| 424 | |
| 425 /* blend */ | |
| 426 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ | |
| 427 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 428 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1(000R0G0B) */ | |
| 429 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ | |
| 430 | |
| 431 packuswb_r2r(mm6, mm2); /* 0000ARGB -> mm2 */ | |
| 432 movd_r2m(mm2, *dstp);/* mm2 -> dst */ | |
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433 } |
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434 ++srcp; |
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435 ++dstp; |
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436 }, width); |
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437 srcp += srcskip; |
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438 dstp += dstskip; |
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439 } |
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440 emms(); |
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441 } |
| 1542 | 442 /* End GCC_ASMBLIT */ |
| 443 | |
| 444 #elif MSVC_ASMBLIT | |
| 445 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ | |
| 446 static void BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo *info) | |
| 447 { | |
| 448 int width = info->d_width; | |
| 449 int height = info->d_height; | |
| 450 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
| 451 int srcskip = info->s_skip >> 2; | |
| 452 Uint32 *dstp = (Uint32 *)info->d_pixels; | |
| 453 int dstskip = info->d_skip >> 2; | |
| 454 Uint32 dalpha = info->dst->Amask; | |
| 455 | |
| 456 __m64 src1, src2, dst1, dst2, lmask, hmask, dsta; | |
| 457 | |
| 458 hmask = _mm_set_pi32(0x00fefefe, 0x00fefefe); /* alpha128 mask -> hmask */ | |
| 459 lmask = _mm_set_pi32(0x00010101, 0x00010101); /* !alpha128 mask -> lmask */ | |
| 460 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ | |
| 461 | |
| 462 while (height--) { | |
| 463 int n = width; | |
| 464 if ( n & 1 ) { | |
| 465 Uint32 s = *srcp++; | |
| 466 Uint32 d = *dstp; | |
| 467 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) | |
| 468 + (s & d & 0x00010101)) | dalpha; | |
| 469 n--; | |
| 470 } | |
| 471 | |
| 472 for (n >>= 1; n > 0; --n) { | |
| 473 dst1 = *(__m64*)dstp; /* 2 x dst -> dst1(ARGBARGB) */ | |
| 474 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ | |
| 475 | |
| 476 src1 = *(__m64*)srcp; /* 2 x src -> src1(ARGBARGB) */ | |
| 477 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ | |
| 478 | |
| 479 dst2 = _mm_and_si64(dst2, hmask); /* dst & mask -> dst2 */ | |
| 480 src2 = _mm_and_si64(src2, hmask); /* src & mask -> src2 */ | |
| 481 src2 = _mm_add_pi32(src2, dst2); /* dst2 + src2 -> src2 */ | |
| 482 src2 = _mm_srli_pi32(src2, 1); /* src2 >> 1 -> src2 */ | |
| 483 | |
| 484 dst1 = _mm_and_si64(dst1, src1); /* src & dst -> dst1 */ | |
| 485 dst1 = _mm_and_si64(dst1, lmask); /* dst1 & !mask -> dst1 */ | |
| 486 dst1 = _mm_add_pi32(dst1, src2); /* src2 + dst1 -> dst1 */ | |
| 487 dst1 = _mm_or_si64(dst1, dsta); /* dsta(full alpha) | dst1 -> dst1 */ | |
| 488 | |
| 489 *(__m64*)dstp = dst1; /* dst1 -> 2 x dst pixels */ | |
| 490 dstp += 2; | |
| 491 srcp += 2; | |
| 492 } | |
| 493 | |
| 494 srcp += srcskip; | |
| 495 dstp += dstskip; | |
| 496 } | |
| 497 _mm_empty(); | |
| 498 } | |
| 499 | |
| 500 /* fast RGB888->(A)RGB888 blending with surface alpha */ | |
| 501 static void BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo *info) | |
| 502 { | |
| 503 SDL_PixelFormat* df = info->dst; | |
| 504 Uint32 chanmask = df->Rmask | df->Gmask | df->Bmask; | |
| 505 unsigned alpha = info->src->alpha; | |
| 506 | |
| 507 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { | |
| 508 /* only call a128 version when R,G,B occupy lower bits */ | |
| 509 BlitRGBtoRGBSurfaceAlpha128MMX(info); | |
| 510 } else { | |
| 511 int width = info->d_width; | |
| 512 int height = info->d_height; | |
| 513 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
| 514 int srcskip = info->s_skip >> 2; | |
| 515 Uint32 *dstp = (Uint32 *)info->d_pixels; | |
| 516 int dstskip = info->d_skip >> 2; | |
| 517 Uint32 dalpha = df->Amask; | |
| 518 Uint32 amult; | |
| 519 | |
| 520 __m64 src1, src2, dst1, dst2, mm_alpha, mm_zero, dsta; | |
| 521 | |
| 522 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ | |
| 523 /* form the alpha mult */ | |
| 524 amult = alpha | (alpha << 8); | |
| 525 amult = amult | (amult << 16); | |
| 526 chanmask = (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df->Bshift); | |
| 527 mm_alpha = _mm_set_pi32(0, amult & chanmask); /* 0000AAAA -> mm_alpha, minus 1 chan */ | |
| 528 mm_alpha = _mm_unpacklo_pi8(mm_alpha, mm_zero); /* 0A0A0A0A -> mm_alpha, minus 1 chan */ | |
| 529 /* at this point mm_alpha can be 000A0A0A or 0A0A0A00 or another combo */ | |
| 530 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ | |
| 531 | |
| 532 while (height--) { | |
| 533 int n = width; | |
| 534 if (n & 1) { | |
| 535 /* One Pixel Blend */ | |
| 536 src2 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src2 (0000ARGB)*/ | |
| 537 src2 = _mm_unpacklo_pi8(src2, mm_zero); /* 0A0R0G0B -> src2 */ | |
| 538 | |
| 539 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 540 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 541 | |
| 542 src2 = _mm_sub_pi16(src2, dst1); /* src2 - dst2 -> src2 */ | |
| 543 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 544 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ | |
| 545 dst1 = _mm_add_pi8(src2, dst1); /* src2 + dst1 -> dst1 */ | |
| 546 | |
| 547 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 548 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ | |
| 549 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 550 | |
| 551 ++srcp; | |
| 552 ++dstp; | |
| 553 | |
| 554 n--; | |
| 555 } | |
| 556 | |
| 557 for (n >>= 1; n > 0; --n) { | |
| 558 /* Two Pixels Blend */ | |
| 559 src1 = *(__m64*)srcp; /* 2 x src -> src1(ARGBARGB)*/ | |
| 560 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ | |
| 561 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* low - 0A0R0G0B -> src1 */ | |
| 562 src2 = _mm_unpackhi_pi8(src2, mm_zero); /* high - 0A0R0G0B -> src2 */ | |
| 563 | |
| 564 dst1 = *(__m64*)dstp;/* 2 x dst -> dst1(ARGBARGB) */ | |
| 565 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ | |
| 566 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* low - 0A0R0G0B -> dst1 */ | |
| 567 dst2 = _mm_unpackhi_pi8(dst2, mm_zero); /* high - 0A0R0G0B -> dst2 */ | |
| 568 | |
| 569 src1 = _mm_sub_pi16(src1, dst1);/* src1 - dst1 -> src1 */ | |
| 570 src1 = _mm_mullo_pi16(src1, mm_alpha); /* src1 * alpha -> src1 */ | |
| 571 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1 */ | |
| 572 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst1) -> dst1 */ | |
| 573 | |
| 574 src2 = _mm_sub_pi16(src2, dst2);/* src2 - dst2 -> src2 */ | |
| 575 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 576 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ | |
| 577 dst2 = _mm_add_pi8(src2, dst2); /* src2 + dst2(dst2) -> dst2 */ | |
| 578 | |
| 579 dst1 = _mm_packs_pu16(dst1, dst2); /* 0A0R0G0B(res1), 0A0R0G0B(res2) -> dst1(ARGBARGB) */ | |
| 580 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ | |
| 581 | |
| 582 *(__m64*)dstp = dst1; /* dst1 -> 2 x pixel */ | |
| 583 | |
| 584 srcp += 2; | |
| 585 dstp += 2; | |
| 586 } | |
| 587 srcp += srcskip; | |
| 588 dstp += dstskip; | |
| 589 } | |
| 590 _mm_empty(); | |
| 591 } | |
| 592 } | |
| 593 | |
| 594 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ | |
| 595 static void BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo *info) | |
| 596 { | |
| 597 int width = info->d_width; | |
| 598 int height = info->d_height; | |
| 599 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
| 600 int srcskip = info->s_skip >> 2; | |
| 601 Uint32 *dstp = (Uint32 *)info->d_pixels; | |
| 602 int dstskip = info->d_skip >> 2; | |
| 603 SDL_PixelFormat* sf = info->src; | |
| 604 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; | |
| 605 Uint32 amask = sf->Amask; | |
| 606 Uint32 ashift = sf->Ashift; | |
| 607 Uint64 multmask; | |
| 608 | |
| 609 __m64 src1, dst1, mm_alpha, mm_zero, dmask; | |
| 610 | |
| 611 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ | |
| 612 multmask = ~(0xFFFFi64 << (ashift * 2)); | |
| 613 dmask = *(__m64*) &multmask; /* dst alpha mask -> dmask */ | |
| 614 | |
| 615 while(height--) { | |
| 616 DUFFS_LOOP4({ | |
| 617 Uint32 alpha = *srcp & amask; | |
| 618 if (alpha == 0) { | |
| 619 /* do nothing */ | |
| 620 } else if (alpha == amask) { | |
| 621 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 622 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 623 } else { | |
| 624 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 625 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 626 | |
| 627 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 628 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 629 | |
| 630 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 631 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 632 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 633 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 634 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 635 | |
| 636 /* blend */ | |
| 637 src1 = _mm_sub_pi16(src1, dst1);/* src1 - dst1 -> src1 */ | |
| 638 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src1 - dst1) * alpha -> src1 */ | |
| 639 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 640 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1 -> dst1(0A0R0G0B) */ | |
| 641 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 642 | |
| 643 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 644 } | |
| 645 ++srcp; | |
| 646 ++dstp; | |
| 647 }, width); | |
| 648 srcp += srcskip; | |
| 649 dstp += dstskip; | |
| 650 } | |
| 651 _mm_empty(); | |
| 652 } | |
| 653 /* End MSVC_ASMBLIT */ | |
| 654 | |
| 655 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
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656 |
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657 #if SDL_ALTIVEC_BLITTERS |
| 1795 | 658 #if __MWERKS__ |
| 659 #pragma altivec_model on | |
| 660 #endif | |
|
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661 #if HAVE_ALTIVEC_H |
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662 #include <altivec.h> |
|
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663 #endif |
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664 #include <assert.h> |
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665 |
|
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Use consistent identifiers for the various platforms we support.
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666 #if (defined(__MACOSX__) && (__GNUC__ < 4)) |
|
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667 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
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668 (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p ) |
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669 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
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670 (vector unsigned short) ( a,b,c,d,e,f,g,h ) |
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671 #else |
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672 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
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673 (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p } |
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674 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
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675 (vector unsigned short) { a,b,c,d,e,f,g,h } |
|
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676 #endif |
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677 |
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678 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F) |
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679 #define VECPRINT(msg, v) do { \ |
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680 vector unsigned int tmpvec = (vector unsigned int)(v); \ |
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681 unsigned int *vp = (unsigned int *)&tmpvec; \ |
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682 printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \ |
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683 } while (0) |
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684 |
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685 /* the permuation vector that takes the high bytes out of all the appropriate shorts |
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686 (vector unsigned char)( |
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687 0x00, 0x10, 0x02, 0x12, |
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688 0x04, 0x14, 0x06, 0x16, |
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689 0x08, 0x18, 0x0A, 0x1A, |
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690 0x0C, 0x1C, 0x0E, 0x1E ); |
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691 */ |
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692 #define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F))) |
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693 #define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12))) |
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694 #define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24())) |
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695 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \ |
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696 ? vec_lvsl(0, src) \ |
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697 : vec_add(vec_lvsl(8, src), vec_splat_u8(8))) |
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698 |
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699 |
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700 #define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \ |
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701 /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \ |
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702 vector unsigned short vtemp1 = vec_mule(vs, valpha); \ |
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703 /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \ |
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704 vector unsigned short vtemp2 = vec_mulo(vs, valpha); \ |
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705 /* valpha2 is 255-alpha */ \ |
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706 vector unsigned char valpha2 = vec_nor(valpha, valpha); \ |
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707 /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \ |
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708 vector unsigned short vtemp3 = vec_mule(vd, valpha2); \ |
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709 /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \ |
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710 vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \ |
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711 /* add source and dest */ \ |
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712 vtemp1 = vec_add(vtemp1, vtemp3); \ |
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713 vtemp2 = vec_add(vtemp2, vtemp4); \ |
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714 /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \ |
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715 vtemp1 = vec_add(vtemp1, v1_16); \ |
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716 vtemp3 = vec_sr(vtemp1, v8_16); \ |
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717 vtemp1 = vec_add(vtemp1, vtemp3); \ |
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718 /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \ |
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719 vtemp2 = vec_add(vtemp2, v1_16); \ |
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720 vtemp4 = vec_sr(vtemp2, v8_16); \ |
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721 vtemp2 = vec_add(vtemp2, vtemp4); \ |
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722 /* (>>8) and get ARGBARGBARGBARGB */ \ |
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723 vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \ |
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724 } while (0) |
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725 |
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726 /* Calculate the permute vector used for 32->32 swizzling */ |
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727 static vector unsigned char calc_swizzle32(const SDL_PixelFormat *srcfmt, |
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parents:
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diff
changeset
|
728 const SDL_PixelFormat *dstfmt) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
729 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
730 /* |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
731 * 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
|
732 * 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
|
733 * 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
|
734 */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
735 /* ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
736 const static struct SDL_PixelFormat default_pixel_format = { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
737 NULL, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
738 0, 0, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
739 16, 8, 0, 24, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
740 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
741 0, 0}; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
742 if (!srcfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
743 srcfmt = &default_pixel_format; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
744 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
745 if (!dstfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
746 dstfmt = &default_pixel_format; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
747 } |
|
1487
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
748 const vector unsigned char plus = VECUINT8_LITERAL |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
749 ( 0x00, 0x00, 0x00, 0x00, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
750 0x04, 0x04, 0x04, 0x04, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
751 0x08, 0x08, 0x08, 0x08, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
752 0x0C, 0x0C, 0x0C, 0x0C ); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
753 vector unsigned char vswiz; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
754 vector unsigned int srcvec; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
755 #define RESHIFT(X) (3 - ((X) >> 3)) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
756 Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
757 Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
758 Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
759 Uint32 amask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
760 /* 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
|
761 if (dstfmt->Amask) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
762 amask = ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt->Ashift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
763 } else { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
764 amask = 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ 0xFFFFFFFF); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
765 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
766 #undef RESHIFT |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
767 ((unsigned int *)(char*)&srcvec)[0] = (rmask | gmask | bmask | amask); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
768 vswiz = vec_add(plus, (vector unsigned char)vec_splat(srcvec, 0)); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
769 return(vswiz); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
770 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
771 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
772 static void Blit32to565PixelAlphaAltivec(SDL_BlitInfo *info) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
773 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
774 int height = info->d_height; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
775 Uint8 *src = (Uint8 *)info->s_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
776 int srcskip = info->s_skip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
777 Uint8 *dst = (Uint8 *)info->d_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
778 int dstskip = info->d_skip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
779 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
780 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
781 vector unsigned char v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
782 vector unsigned short v8_16 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
783 vector unsigned short v1_16 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
784 vector unsigned short v2_16 = vec_splat_u16(2); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
785 vector unsigned short v3_16 = vec_splat_u16(3); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
786 vector unsigned int v8_32 = vec_splat_u32(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
787 vector unsigned int v16_32 = vec_add(v8_32, v8_32); |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
788 vector unsigned short v3f = VECUINT16_LITERAL( |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
789 0x003f, 0x003f, 0x003f, 0x003f, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
790 0x003f, 0x003f, 0x003f, 0x003f); |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
791 vector unsigned short vfc = VECUINT16_LITERAL( |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
792 0x00fc, 0x00fc, 0x00fc, 0x00fc, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
793 0x00fc, 0x00fc, 0x00fc, 0x00fc); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
794 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
795 /* |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
796 0x10 - 0x1f is the alpha |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
797 0x00 - 0x0e evens are the red |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
798 0x01 - 0x0f odds are zero |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
799 */ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
800 vector unsigned char vredalpha1 = VECUINT8_LITERAL( |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
801 0x10, 0x00, 0x01, 0x01, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
802 0x10, 0x02, 0x01, 0x01, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
803 0x10, 0x04, 0x01, 0x01, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
804 0x10, 0x06, 0x01, 0x01 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
805 ); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
806 vector unsigned char vredalpha2 = (vector unsigned char)( |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
807 vec_add((vector unsigned int)vredalpha1, vec_sl(v8_32, v16_32)) |
|
ffaaf7ecf685
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 /* |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
810 0x00 - 0x0f is ARxx ARxx ARxx ARxx |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
811 0x11 - 0x0f odds are blue |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
812 */ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
813 vector unsigned char vblue1 = VECUINT8_LITERAL( |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
814 0x00, 0x01, 0x02, 0x11, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
815 0x04, 0x05, 0x06, 0x13, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
816 0x08, 0x09, 0x0a, 0x15, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
817 0x0c, 0x0d, 0x0e, 0x17 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
818 ); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
819 vector unsigned char vblue2 = (vector unsigned char)( |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
820 vec_add((vector unsigned int)vblue1, v8_32) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
821 ); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
822 /* |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
823 0x00 - 0x0f is ARxB ARxB ARxB ARxB |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
824 0x10 - 0x0e evens are green |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
825 */ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
826 vector unsigned char vgreen1 = VECUINT8_LITERAL( |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
827 0x00, 0x01, 0x10, 0x03, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
828 0x04, 0x05, 0x12, 0x07, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
829 0x08, 0x09, 0x14, 0x0b, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
830 0x0c, 0x0d, 0x16, 0x0f |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
831 ); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
832 vector unsigned char vgreen2 = (vector unsigned char)( |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
833 vec_add((vector unsigned int)vgreen1, vec_sl(v8_32, v8_32)) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
834 ); |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
835 vector unsigned char vgmerge = VECUINT8_LITERAL( |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
836 0x00, 0x02, 0x00, 0x06, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
837 0x00, 0x0a, 0x00, 0x0e, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
838 0x00, 0x12, 0x00, 0x16, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
839 0x00, 0x1a, 0x00, 0x1e); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
840 vector unsigned char mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
841 vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
842 vector unsigned char valphaPermute = vec_and(vec_lvsl(0, (int *)NULL), vec_splat_u8(0xC)); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
843 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
844 vector unsigned short vf800 = (vector unsigned short)vec_splat_u8(-7); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
845 vf800 = vec_sl(vf800, vec_splat_u16(8)); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
846 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
847 while(height--) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
848 int extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
849 vector unsigned char valigner; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
850 vector unsigned char vsrc; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
851 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
852 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
853 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
854 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
855 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
|
856 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
857 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
|
858 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
|
859 if(sA) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
860 unsigned short dstpixel = *((unsigned short *)dst); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
861 dR = (dstpixel >> 8) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
862 dG = (dstpixel >> 3) & 0xfc; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
863 dB = (dstpixel << 3) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
864 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
865 *((unsigned short *)dst) = ( \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
866 ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
867 ); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
868 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
869 src += 4; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
870 dst += 2; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
871 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
872 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
873 ONE_PIXEL_BLEND((UNALIGNED_PTR(dst)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
874 extrawidth = (width % 8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
875 valigner = VEC_ALIGNER(src); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
876 vsrc = (vector unsigned char)vec_ld(0, src); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
877 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
878 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
879 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
880 vector unsigned char vsrc1, vsrc2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
881 vector unsigned char vdst1, vdst2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
882 vector unsigned short vR, vG, vB; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
883 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
884 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
885 /* Load 8 pixels from src as ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
886 voverflow = (vector unsigned char)vec_ld(15, src); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
887 vsrc = vec_perm(vsrc, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
888 vsrc1 = vec_perm(vsrc, vsrc, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
889 src += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
890 vsrc = (vector unsigned char)vec_ld(15, src); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
891 voverflow = vec_perm(voverflow, vsrc, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
892 vsrc2 = vec_perm(voverflow, voverflow, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
893 src += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
894 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
895 /* Load 8 pixels from dst as XRGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
896 voverflow = vec_ld(0, dst); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
897 vR = vec_and((vector unsigned short)voverflow, vf800); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
898 vB = vec_sl((vector unsigned short)voverflow, v3_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
899 vG = vec_sl(vB, v2_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
900 vdst1 = (vector unsigned char)vec_perm((vector unsigned char)vR, (vector unsigned char)vR, vredalpha1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
901 vdst1 = vec_perm(vdst1, (vector unsigned char)vB, vblue1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
902 vdst1 = vec_perm(vdst1, (vector unsigned char)vG, vgreen1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
903 vdst2 = (vector unsigned char)vec_perm((vector unsigned char)vR, (vector unsigned char)vR, vredalpha2); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
904 vdst2 = vec_perm(vdst2, (vector unsigned char)vB, vblue2); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
905 vdst2 = vec_perm(vdst2, (vector unsigned char)vG, vgreen2); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
906 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
907 /* Alpha blend 8 pixels as ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
908 valpha = vec_perm(vsrc1, v0, valphaPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
909 VEC_MULTIPLY_ALPHA(vsrc1, vdst1, valpha, mergePermute, v1_16, v8_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
910 valpha = vec_perm(vsrc2, v0, valphaPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
911 VEC_MULTIPLY_ALPHA(vsrc2, vdst2, valpha, mergePermute, v1_16, v8_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
912 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
913 /* Convert 8 pixels to 565 */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
914 vpixel = (vector unsigned short)vec_packpx((vector unsigned int)vdst1, (vector unsigned int)vdst2); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
915 vgpixel = (vector unsigned short)vec_perm(vdst1, vdst2, vgmerge); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
916 vgpixel = vec_and(vgpixel, vfc); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
917 vgpixel = vec_sl(vgpixel, v3_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
918 vrpixel = vec_sl(vpixel, v1_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
919 vrpixel = vec_and(vrpixel, vf800); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
920 vbpixel = vec_and(vpixel, v3f); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
921 vdst1 = vec_or((vector unsigned char)vrpixel, (vector unsigned char)vgpixel); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
922 vdst1 = vec_or(vdst1, (vector unsigned char)vbpixel); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
923 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
924 /* Store 8 pixels */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
925 vec_st(vdst1, 0, dst); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
926 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
927 width -= 8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
928 dst += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
929 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
930 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
931 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
932 src += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
933 dst += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
934 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
935 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
936 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
937 static void Blit32to32SurfaceAlphaKeyAltivec(SDL_BlitInfo *info) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
938 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
939 unsigned alpha = info->src->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
940 int height = info->d_height; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
941 Uint32 *srcp = (Uint32 *)info->s_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
942 int srcskip = info->s_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
943 Uint32 *dstp = (Uint32 *)info->d_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
944 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
945 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
946 SDL_PixelFormat *dstfmt = info->dst; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
947 unsigned sA = srcfmt->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
948 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
949 Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
950 Uint32 ckey = info->src->colorkey; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
951 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
952 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
953 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
954 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
955 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
956 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
957 vector unsigned char vbits; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
958 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
959 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
960 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
961 vector unsigned int vckey; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
962 vector unsigned int vrgbmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
963 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
964 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
965 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
966 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
967 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
968 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
969 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
970 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
971 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
972 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
973 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
974 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
975 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
976 /* set a vector full of alpha and 255-alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
977 ((unsigned char *)&valpha)[0] = alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
978 valpha = vec_splat(valpha, 0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
979 vbits = (vector unsigned char)vec_splat_s8(-1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
980 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
981 ckey &= rgbmask; |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
982 ((unsigned int *)(char*)&vckey)[0] = ckey; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
983 vckey = vec_splat(vckey, 0); |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
984 ((unsigned int *)(char*)&vrgbmask)[0] = rgbmask; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
985 vrgbmask = vec_splat(vrgbmask, 0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
986 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
987 while(height--) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
988 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
989 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
990 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
|
991 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
992 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
|
993 RETRIEVE_RGB_PIXEL(((Uint8 *)srcp), 4, Pixel); \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
994 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
|
995 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
|
996 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
|
997 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
998 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
999 } \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1000 dstp++; \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1001 srcp++; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1002 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1003 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1004 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1005 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1006 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1007 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1008 vector unsigned char vs = (vector unsigned char)vec_ld(0, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1009 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1010 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1011 vector unsigned char vsel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1012 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1013 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1014 vector unsigned char vd_orig; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1015 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1016 /* s = *srcp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1017 voverflow = (vector unsigned char)vec_ld(15, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1018 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1019 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1020 /* vsel is set for items that match the key */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1021 vsel = (vector unsigned char)vec_and((vector unsigned int)vs, vrgbmask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1022 vsel = (vector unsigned char)vec_cmpeq((vector unsigned int)vsel, vckey); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1023 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1024 /* permute to source format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1025 vs = vec_perm(vs, valpha, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1026 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1027 /* d = *dstp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1028 vd = (vector unsigned char)vec_ld(0, dstp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1029 vd_orig = vd = vec_perm(vd, v0, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1030 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1031 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1032 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1033 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1034 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1035 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1036 /* mask out color key */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1037 vd = vec_sel(vd, vd_orig, vsel); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1038 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1039 /* permute to dest format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1040 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1041 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1042 /* *dstp = res */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1043 vec_st((vector unsigned int)vd, 0, dstp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1044 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1045 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1046 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1047 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1048 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1049 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1050 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1051 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1052 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
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 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1055 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1056 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1057 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1058 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1059 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1060 static void Blit32to32PixelAlphaAltivec(SDL_BlitInfo *info) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1061 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1062 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1063 int height = info->d_height; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1064 Uint32 *srcp = (Uint32 *)info->s_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1065 int srcskip = info->s_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1066 Uint32 *dstp = (Uint32 *)info->d_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1067 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1068 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1069 SDL_PixelFormat *dstfmt = info->dst; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1070 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1071 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1072 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1073 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1074 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1075 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1076 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1077 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1078 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1079 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1080 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1081 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1082 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1083 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1084 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1085 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1086 valphaPermute = vec_and(vec_lvsl(0, (int *)NULL), vec_splat_u8(0xC)); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1087 vpixelmask = vec_nor(valphamask, v0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1088 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1089 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1090 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1091 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1092 while ( height-- ) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1093 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1094 #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
|
1095 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1096 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
|
1097 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
|
1098 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
|
1099 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
|
1100 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1101 ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \ |
|
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 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1104 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1105 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1106 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1107 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1108 if (width > 0) { |
|
1487
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1109 /* vsrcPermute */ |
|
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1110 /* vdstPermute */ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1111 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1112 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1113 vector unsigned char vs = (vector unsigned char)vec_ld(0, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1114 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1115 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1116 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1117 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1118 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1119 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1120 /* s = *srcp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1121 voverflow = (vector unsigned char)vec_ld(15, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1122 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1123 vs = vec_perm(vs, v0, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1124 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1125 valpha = vec_perm(vs, v0, valphaPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1126 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1127 /* d = *dstp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1128 vd = (vector unsigned char)vec_ld(0, dstp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1129 vd = vec_perm(vd, v0, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1130 vdstalpha = vec_and(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1131 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1132 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1133 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1134 /* set the alpha to the dest alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1135 vd = vec_and(vd, vpixelmask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1136 vd = vec_or(vd, vdstalpha); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1137 vd = vec_perm(vd, v0, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1138 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1139 /* *dstp = res */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1140 vec_st((vector unsigned int)vd, 0, dstp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1141 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1142 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1143 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1144 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1145 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1146 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1147 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1148 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1149 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1150 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1151 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1152 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1153 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1154 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1155 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1156 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1157 static void BlitRGBtoRGBPixelAlphaAltivec(SDL_BlitInfo *info) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1158 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1159 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1160 int height = info->d_height; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1161 Uint32 *srcp = (Uint32 *)info->s_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1162 int srcskip = info->s_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1163 Uint32 *dstp = (Uint32 *)info->d_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1164 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1165 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1166 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1167 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1168 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1169 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1170 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1171 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1172 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1173 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1174 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1175 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1176 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1177 valphaPermute = vec_and(vec_lvsl(0, (int *)NULL), vec_splat_u8(0xC)); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1178 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1179 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1180 vpixelmask = vec_nor(valphamask, v0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1181 while(height--) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1182 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1183 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1184 while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1185 Uint32 dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1186 Uint32 d; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1187 Uint32 s1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1188 Uint32 d1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1189 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1190 Uint32 alpha = s >> 24; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1191 if(alpha) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1192 if(alpha == SDL_ALPHA_OPAQUE) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1193 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1194 } else { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1195 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1196 dalpha = d & 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1197 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1198 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1199 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1200 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1201 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1202 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1203 *dstp = d1 | d | dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1204 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1205 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1206 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1207 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1208 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1209 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1210 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1211 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1212 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1213 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1214 vector unsigned char vs = (vector unsigned char)vec_ld(0, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1215 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1216 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1217 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1218 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1219 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1220 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1221 /* s = *srcp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1222 voverflow = (vector unsigned char)vec_ld(15, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1223 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1224 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1225 valpha = vec_perm(vs, v0, valphaPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1226 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1227 /* d = *dstp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1228 vd = (vector unsigned char)vec_ld(0, dstp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1229 vdstalpha = vec_and(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1230 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1231 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1232 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1233 /* set the alpha to the dest alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1234 vd = vec_and(vd, vpixelmask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1235 vd = vec_or(vd, vdstalpha); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1236 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1237 /* *dstp = res */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1238 vec_st((vector unsigned int)vd, 0, dstp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1239 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1240 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1241 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1242 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1243 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1244 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1245 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1246 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1247 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1248 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1249 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1250 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1251 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1252 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1253 static void Blit32to32SurfaceAlphaAltivec(SDL_BlitInfo *info) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1254 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1255 /* XXX : 6 */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1256 unsigned alpha = info->src->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1257 int height = info->d_height; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1258 Uint32 *srcp = (Uint32 *)info->s_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1259 int srcskip = info->s_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1260 Uint32 *dstp = (Uint32 *)info->d_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1261 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1262 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1263 SDL_PixelFormat *dstfmt = info->dst; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1264 unsigned sA = srcfmt->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1265 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1266 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1267 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1268 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1269 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1270 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1271 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1272 vector unsigned char vbits; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1273 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1274 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1275 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1276 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1277 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1278 v8 = vec_splat_u16(8); |
|
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 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1281 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1282 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1283 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1284 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1285 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1286 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1287 /* set a vector full of alpha and 255-alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1288 ((unsigned char *)&valpha)[0] = alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1289 valpha = vec_splat(valpha, 0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1290 vbits = (vector unsigned char)vec_splat_s8(-1); |
|
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 while(height--) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1293 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1294 #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
|
1295 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1296 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
|
1297 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
|
1298 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
|
1299 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1300 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1301 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1302 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1303 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1304 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1305 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1306 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1307 int extrawidth = (width % 4); |
|
3910
af4d584e0edb
Handle source data alignment correctly in Blit32to32SurfaceAlphaAltivec().
Ryan C. Gordon <icculus@icculus.org>
parents:
3899
diff
changeset
|
1308 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1309 vector unsigned char vs = (vector unsigned char)vec_ld(0, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1310 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1311 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1312 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1313 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1314 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1315 /* s = *srcp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1316 voverflow = (vector unsigned char)vec_ld(15, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1317 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1318 vs = vec_perm(vs, valpha, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1319 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1320 /* d = *dstp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1321 vd = (vector unsigned char)vec_ld(0, dstp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1322 vd = vec_perm(vd, vd, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1323 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1324 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1325 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1326 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1327 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1328 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1329 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1330 /* *dstp = res */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1331 vec_st((vector unsigned int)vd, 0, dstp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1332 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1333 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1334 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1335 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1336 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1337 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1338 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1339 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1340 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1341 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1342 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1343 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1344 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1345 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1346 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1347 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1348 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1349 /* fast RGB888->(A)RGB888 blending */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1350 static void BlitRGBtoRGBSurfaceAlphaAltivec(SDL_BlitInfo *info) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1351 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1352 unsigned alpha = info->src->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1353 int height = info->d_height; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1354 Uint32 *srcp = (Uint32 *)info->s_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1355 int srcskip = info->s_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1356 Uint32 *dstp = (Uint32 *)info->d_pixels; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1357 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1358 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1359 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1360 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1361 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1362 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1363 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1364 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1365 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1366 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1367 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1368 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1369 valphamask = VEC_ALPHA_MASK(); |
|
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 /* set a vector full of alpha and 255-alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1372 ((unsigned char *)&valpha)[0] = alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1373 valpha = vec_splat(valpha, 0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1374 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1375 while(height--) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1376 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1377 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1378 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1379 Uint32 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1380 Uint32 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1381 Uint32 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1382 d1 = (d1 + ((s1 - d1) * alpha >> 8)) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1383 & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1384 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1385 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1386 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1387 *dstp = d1 | d | 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1388 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1389 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1390 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1391 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1392 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1393 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1394 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1395 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1396 vector unsigned char vs = (vector unsigned char)vec_ld(0, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1397 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1398 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1399 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1400 vector unsigned char vd; |
|
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 /* s = *srcp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1403 voverflow = (vector unsigned char)vec_ld(15, srcp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1404 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1405 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1406 /* d = *dstp */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1407 vd = (vector unsigned char)vec_ld(0, dstp); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1408 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1409 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1410 |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1411 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1412 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1413 |
|
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diff
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|
1414 /* *dstp = res */ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1415 vec_st((vector unsigned int)vd, 0, dstp); |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1416 |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1417 srcp += 4; |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1418 dstp += 4; |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1419 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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|
1420 vs = voverflow; |
|
ffaaf7ecf685
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diff
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|
1421 } |
|
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diff
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|
1422 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1423 } |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1424 #undef ONE_PIXEL_BLEND |
|
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diff
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|
1425 |
|
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|
1426 srcp += srcskip; |
|
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|
1427 dstp += dstskip; |
|
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|
1428 } |
|
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|
1429 } |
| 1795 | 1430 #if __MWERKS__ |
| 1431 #pragma altivec_model off | |
| 1432 #endif | |
|
1361
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New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1433 #endif /* SDL_ALTIVEC_BLITTERS */ |
|
1047
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|
1434 |
|
1
cf2af46e9e2a
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|
1435 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
|
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changeset
|
1436 static void BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo *info) |
| 0 | 1437 { |
| 1438 int width = info->d_width; | |
| 1439 int height = info->d_height; | |
| 1440 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
| 1441 int srcskip = info->s_skip >> 2; | |
| 1442 Uint32 *dstp = (Uint32 *)info->d_pixels; | |
| 1443 int dstskip = info->d_skip >> 2; | |
| 1444 | |
| 1445 while(height--) { | |
| 1446 DUFFS_LOOP4({ | |
|
1
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|
1447 Uint32 s = *srcp++; |
|
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changeset
|
1448 Uint32 d = *dstp; |
|
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|
1449 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
|
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changeset
|
1450 + (s & d & 0x00010101)) | 0xff000000; |
| 0 | 1451 }, width); |
| 1452 srcp += srcskip; | |
| 1453 dstp += dstskip; | |
| 1454 } | |
| 1455 } | |
| 1456 | |
|
1
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|
1457 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
changeset
|
1458 static void BlitRGBtoRGBSurfaceAlpha(SDL_BlitInfo *info) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1459 { |
|
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|
1460 unsigned alpha = info->src->alpha; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
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|
1461 if(alpha == 128) { |
|
cf2af46e9e2a
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diff
changeset
|
1462 BlitRGBtoRGBSurfaceAlpha128(info); |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1463 } else { |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1464 int width = info->d_width; |
|
cf2af46e9e2a
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Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1465 int height = info->d_height; |
|
cf2af46e9e2a
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Sam Lantinga <slouken@lokigames.com>
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diff
changeset
|
1466 Uint32 *srcp = (Uint32 *)info->s_pixels; |
|
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|
1467 int srcskip = info->s_skip >> 2; |
|
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changeset
|
1468 Uint32 *dstp = (Uint32 *)info->d_pixels; |
|
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Changes since SDL 1.2.0 release
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changeset
|
1469 int dstskip = info->d_skip >> 2; |
|
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|
1470 Uint32 s; |
|
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1471 Uint32 d; |
|
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1472 Uint32 s1; |
|
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|
1473 Uint32 d1; |
|
1
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|
1474 |
|
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|
1475 while(height--) { |
|
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1476 DUFFS_LOOP_DOUBLE2({ |
|
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|
1477 /* One Pixel Blend */ |
|
1
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|
1478 s = *srcp; |
|
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|
1479 d = *dstp; |
|
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|
1480 s1 = s & 0xff00ff; |
|
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|
1481 d1 = d & 0xff00ff; |
|
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|
1482 d1 = (d1 + ((s1 - d1) * alpha >> 8)) |
|
cf2af46e9e2a
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|
1483 & 0xff00ff; |
|
cf2af46e9e2a
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|
1484 s &= 0xff00; |
|
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|
1485 d &= 0xff00; |
|
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|
1486 d = (d + ((s - d) * alpha >> 8)) & 0xff00; |
|
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|
1487 *dstp = d1 | d | 0xff000000; |
|
cf2af46e9e2a
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|
1488 ++srcp; |
|
cf2af46e9e2a
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|
1489 ++dstp; |
|
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|
1490 },{ |
|
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|
1491 /* Two Pixels Blend */ |
|
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1492 s = *srcp; |
|
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|
1493 d = *dstp; |
|
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|
1494 s1 = s & 0xff00ff; |
|
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|
1495 d1 = d & 0xff00ff; |
|
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|
1496 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1497 d1 &= 0xff00ff; |
|
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|
1498 |
|
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|
1499 s = ((s & 0xff00) >> 8) | |
|
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1500 ((srcp[1] & 0xff00) << 8); |
|
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|
1501 d = ((d & 0xff00) >> 8) | |
|
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|
1502 ((dstp[1] & 0xff00) << 8); |
|
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1503 d += (s - d) * alpha >> 8; |
|
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|
1504 d &= 0x00ff00ff; |
|
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1505 |
|
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|
1506 *dstp++ = d1 | ((d << 8) & 0xff00) | 0xff000000; |
|
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|
1507 ++srcp; |
|
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1508 |
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1509 s1 = *srcp; |
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|
1510 d1 = *dstp; |
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|
1511 s1 &= 0xff00ff; |
|
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|
1512 d1 &= 0xff00ff; |
|
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|
1513 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1514 d1 &= 0xff00ff; |
|
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1515 |
|
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|
1516 *dstp = d1 | ((d >> 8) & 0xff00) | 0xff000000; |
|
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|
1517 ++srcp; |
|
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|
1518 ++dstp; |
|
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|
1519 }, width); |
|
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|
1520 srcp += srcskip; |
|
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|
1521 dstp += dstskip; |
|
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|
1522 } |
|
cf2af46e9e2a
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|
1523 } |
|
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changeset
|
1524 } |
|
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|
1525 |
| 0 | 1526 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
| 1527 static void BlitRGBtoRGBPixelAlpha(SDL_BlitInfo *info) | |
| 1528 { | |
| 1529 int width = info->d_width; | |
| 1530 int height = info->d_height; | |
| 1531 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
| 1532 int srcskip = info->s_skip >> 2; | |
| 1533 Uint32 *dstp = (Uint32 *)info->d_pixels; | |
| 1534 int dstskip = info->d_skip >> 2; | |
| 1535 | |
| 1536 while(height--) { | |
| 1537 DUFFS_LOOP4({ | |
| 1538 Uint32 dalpha; | |
| 1539 Uint32 d; | |
| 1540 Uint32 s1; | |
| 1541 Uint32 d1; | |
| 1542 Uint32 s = *srcp; | |
| 1543 Uint32 alpha = s >> 24; | |
| 1544 /* FIXME: Here we special-case opaque alpha since the | |
| 1545 compositioning used (>>8 instead of /255) doesn't handle | |
| 1546 it correctly. Also special-case alpha=0 for speed? | |
| 1547 Benchmark this! */ | |
|
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1548 if(alpha) { |
|
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|
1549 if(alpha == SDL_ALPHA_OPAQUE) { |
| 0 | 1550 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); |
|
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|
1551 } else { |
| 0 | 1552 /* |
| 1553 * take out the middle component (green), and process | |
| 1554 * the other two in parallel. One multiply less. | |
| 1555 */ | |
| 1556 d = *dstp; | |
| 1557 dalpha = d & 0xff000000; | |
| 1558 s1 = s & 0xff00ff; | |
| 1559 d1 = d & 0xff00ff; | |
| 1560 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; | |
| 1561 s &= 0xff00; | |
| 1562 d &= 0xff00; | |
| 1563 d = (d + ((s - d) * alpha >> 8)) & 0xff00; | |
| 1564 *dstp = d1 | d | dalpha; | |
|
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1565 } |
| 0 | 1566 } |
| 1567 ++srcp; | |
| 1568 ++dstp; | |
| 1569 }, width); | |
| 1570 srcp += srcskip; | |
| 1571 dstp += dstskip; | |
| 1572 } | |
| 1573 } | |
| 1574 | |
| 1542 | 1575 #if GCC_ASMBLIT |
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1576 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ |
| 3870 | 1577 static void BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo *info) |
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1578 { |
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1579 int width = info->d_width; |
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1580 int height = info->d_height; |
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1581 Uint32 *srcp = (Uint32 *)info->s_pixels; |
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1582 int srcskip = info->s_skip >> 2; |
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1583 Uint32 *dstp = (Uint32 *)info->d_pixels; |
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1584 int dstskip = info->d_skip >> 2; |
| 1542 | 1585 SDL_PixelFormat* sf = info->src; |
| 1586 Uint32 amask = sf->Amask; | |
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1587 |
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1588 __asm__ ( |
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1589 /* make mm6 all zeros. */ |
|
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1590 "pxor %%mm6, %%mm6\n" |
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1591 |
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1592 /* Make a mask to preserve the alpha. */ |
| 1542 | 1593 "movd %0, %%mm7\n\t" /* 0000F000 -> mm7 */ |
| 1594 "punpcklbw %%mm7, %%mm7\n\t" /* FF000000 -> mm7 */ | |
| 1595 "pcmpeqb %%mm4, %%mm4\n\t" /* FFFFFFFF -> mm4 */ | |
| 1596 "movq %%mm4, %%mm3\n\t" /* FFFFFFFF -> mm3 (for later) */ | |
| 1597 "pxor %%mm4, %%mm7\n\t" /* 00FFFFFF -> mm7 (mult mask) */ | |
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1598 |
| 1542 | 1599 /* form channel masks */ |
| 1600 "movq %%mm7, %%mm4\n\t" /* 00FFFFFF -> mm4 */ | |
| 1601 "packsswb %%mm6, %%mm4\n\t" /* 00000FFF -> mm4 (channel mask) */ | |
| 1602 "packsswb %%mm6, %%mm3\n\t" /* 0000FFFF -> mm3 */ | |
| 1603 "pxor %%mm4, %%mm3\n\t" /* 0000F000 -> mm3 (~channel mask) */ | |
| 1604 | |
| 1605 /* get alpha channel shift */ | |
| 1606 "movd %1, %%mm5\n\t" /* Ashift -> mm5 */ | |
| 1607 | |
|
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1608 : /* nothing */ : "rm" (amask), "rm" ((Uint32) sf->Ashift) ); |
|
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1609 |
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1610 while(height--) { |
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1611 |
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1612 DUFFS_LOOP4({ |
| 1542 | 1613 Uint32 alpha; |
|
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1614 |
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1615 __asm__ ( |
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1616 "prefetch 64(%0)\n" |
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1617 "prefetch 64(%1)\n" |
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1618 : : "r" (srcp), "r" (dstp) ); |
|
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1619 |
| 1542 | 1620 alpha = *srcp & amask; |
|
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1621 /* FIXME: Here we special-case opaque alpha since the |
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1622 compositioning used (>>8 instead of /255) doesn't handle |
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1623 it correctly. Also special-case alpha=0 for speed? |
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1624 Benchmark this! */ |
| 1542 | 1625 if(alpha == 0) { |
| 1626 /* do nothing */ | |
| 1627 } | |
| 1628 else if(alpha == amask) { | |
| 1629 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 1630 /* using MMX here to free up regular registers for other things */ | |
| 1631 __asm__ ( | |
| 1632 "movd (%0), %%mm0\n\t" /* src(ARGB) -> mm0 (0000ARGB)*/ | |
| 1633 "movd (%1), %%mm1\n\t" /* dst(ARGB) -> mm1 (0000ARGB)*/ | |
| 1634 "pand %%mm4, %%mm0\n\t" /* src & chanmask -> mm0 */ | |
| 1635 "pand %%mm3, %%mm1\n\t" /* dst & ~chanmask -> mm2 */ | |
| 1636 "por %%mm0, %%mm1\n\t" /* src | dst -> mm1 */ | |
| 1637 "movd %%mm1, (%1) \n\t" /* mm1 -> dst */ | |
| 1638 | |
| 1639 : : "r" (srcp), "r" (dstp) ); | |
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1640 } |
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1641 |
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1642 else { |
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1643 __asm__ ( |
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1644 /* load in the source, and dst. */ |
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1645 "movd (%0), %%mm0\n" /* mm0(s) = 0 0 0 0 | As Rs Gs Bs */ |
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1646 "movd (%1), %%mm1\n" /* mm1(d) = 0 0 0 0 | Ad Rd Gd Bd */ |
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1647 |
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1648 /* Move the src alpha into mm2 */ |
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1649 |
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1650 /* if supporting pshufw */ |
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1651 /*"pshufw $0x55, %%mm0, %%mm2\n" */ /* mm2 = 0 As 0 As | 0 As 0 As */ |
|
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1652 /*"psrlw $8, %%mm2\n" */ |
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1653 |
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1654 /* else: */ |
| 1542 | 1655 "movd %2, %%mm2\n" |
| 1656 "psrld %%mm5, %%mm2\n" /* mm2 = 0 0 0 0 | 0 0 0 As */ | |
|
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1657 "punpcklwd %%mm2, %%mm2\n" /* mm2 = 0 0 0 0 | 0 As 0 As */ |
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1658 "punpckldq %%mm2, %%mm2\n" /* mm2 = 0 As 0 As | 0 As 0 As */ |
| 1542 | 1659 "pand %%mm7, %%mm2\n" /* to preserve dest alpha */ |
|
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1660 |
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1661 /* move the colors into words. */ |
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1662 "punpcklbw %%mm6, %%mm0\n" /* mm0 = 0 As 0 Rs | 0 Gs 0 Bs */ |
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1663 "punpcklbw %%mm6, %%mm1\n" /* mm0 = 0 Ad 0 Rd | 0 Gd 0 Bd */ |
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1664 |
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1665 /* src - dst */ |
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1666 "psubw %%mm1, %%mm0\n" /* mm0 = As-Ad Rs-Rd | Gs-Gd Bs-Bd */ |
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1667 |
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1668 /* A * (src-dst) */ |
| 1542 | 1669 "pmullw %%mm2, %%mm0\n" /* mm0 = 0*As-d As*Rs-d | As*Gs-d As*Bs-d */ |
| 1670 "psrlw $8, %%mm0\n" /* mm0 = 0>>8 Rc>>8 | Gc>>8 Bc>>8 */ | |
| 1671 "paddb %%mm1, %%mm0\n" /* mm0 = 0+Ad Rc+Rd | Gc+Gd Bc+Bd */ | |
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1672 |
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1673 "packuswb %%mm0, %%mm0\n" /* mm0 = | Ac Rc Gc Bc */ |
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1674 |
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1675 "movd %%mm0, (%1)\n" /* result in mm0 */ |
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1676 |
| 1542 | 1677 : : "r" (srcp), "r" (dstp), "r" (alpha) ); |
|
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1678 |
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1679 } |
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1680 ++srcp; |
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1681 ++dstp; |
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1682 }, width); |
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1683 srcp += srcskip; |
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1684 dstp += dstskip; |
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1685 } |
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1686 |
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1687 __asm__ ( |
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1688 "emms\n" |
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1689 : ); |
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1690 } |
| 1542 | 1691 /* End GCC_ASMBLIT*/ |
| 1692 | |
| 1693 #elif MSVC_ASMBLIT | |
| 1694 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ | |
| 1695 static void BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo *info) | |
| 1696 { | |
| 1697 int width = info->d_width; | |
| 1698 int height = info->d_height; | |
| 1699 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
| 1700 int srcskip = info->s_skip >> 2; | |
| 1701 Uint32 *dstp = (Uint32 *)info->d_pixels; | |
| 1702 int dstskip = info->d_skip >> 2; | |
| 1703 SDL_PixelFormat* sf = info->src; | |
| 1704 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; | |
| 1705 Uint32 amask = sf->Amask; | |
| 1706 Uint32 ashift = sf->Ashift; | |
| 1707 Uint64 multmask; | |
| 1708 | |
| 1709 __m64 src1, dst1, mm_alpha, mm_zero, dmask; | |
| 1710 | |
| 1711 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ | |
| 1712 multmask = ~(0xFFFFi64 << (ashift * 2)); | |
| 1713 dmask = *(__m64*) &multmask; /* dst alpha mask -> dmask */ | |
| 1714 | |
| 1715 while(height--) { | |
| 1716 DUFFS_LOOP4({ | |
| 1717 Uint32 alpha; | |
| 1718 | |
| 1719 _m_prefetch(srcp + 16); | |
| 1720 _m_prefetch(dstp + 16); | |
| 1721 | |
| 1722 alpha = *srcp & amask; | |
| 1723 if (alpha == 0) { | |
| 1724 /* do nothing */ | |
| 1725 } else if (alpha == amask) { | |
| 1726 /* copy RGB, keep dst alpha */ | |
| 1727 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 1728 } else { | |
| 1729 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 1730 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 1731 | |
| 1732 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 1733 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 1734 | |
| 1735 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 1736 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 1737 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 1738 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 1739 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 1740 | |
| 1741 /* blend */ | |
| 1742 src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */ | |
| 1743 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */ | |
| 1744 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 1745 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */ | |
| 1746 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 1747 | |
| 1748 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 1749 } | |
| 1750 ++srcp; | |
| 1751 ++dstp; | |
| 1752 }, width); | |
| 1753 srcp += srcskip; | |
| 1754 dstp += dstskip; | |
| 1755 } | |
| 1756 _mm_empty(); | |
| 1757 } | |
| 1758 /* End MSVC_ASMBLIT */ | |
| 1759 | |
| 1760 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
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1761 |
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1762 /* 16bpp special case for per-surface alpha=50%: blend 2 pixels in parallel */ |
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1763 |
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1764 /* blend a single 16 bit pixel at 50% */ |
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1765 #define BLEND16_50(d, s, mask) \ |
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1766 ((((s & mask) + (d & mask)) >> 1) + (s & d & (~mask & 0xffff))) |
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1767 |
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1768 /* blend two 16 bit pixels at 50% */ |
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1769 #define BLEND2x16_50(d, s, mask) \ |
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1770 (((s & (mask | mask << 16)) >> 1) + ((d & (mask | mask << 16)) >> 1) \ |
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1771 + (s & d & (~(mask | mask << 16)))) |
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1772 |
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1773 static void Blit16to16SurfaceAlpha128(SDL_BlitInfo *info, Uint16 mask) |
| 0 | 1774 { |
| 1775 int width = info->d_width; | |
| 1776 int height = info->d_height; | |
| 1777 Uint16 *srcp = (Uint16 *)info->s_pixels; | |
| 1778 int srcskip = info->s_skip >> 1; | |
| 1779 Uint16 *dstp = (Uint16 *)info->d_pixels; | |
| 1780 int dstskip = info->d_skip >> 1; | |
| 1781 | |
| 1782 while(height--) { | |
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1783 if(((uintptr_t)srcp ^ (uintptr_t)dstp) & 2) { |
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1784 /* |
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1785 * Source and destination not aligned, pipeline it. |
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1786 * This is mostly a win for big blits but no loss for |
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1787 * small ones |
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1788 */ |
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1789 Uint32 prev_sw; |
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1790 int w = width; |
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1791 |
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1792 /* handle odd destination */ |
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1793 if((uintptr_t)dstp & 2) { |
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1794 Uint16 d = *dstp, s = *srcp; |
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1795 *dstp = BLEND16_50(d, s, mask); |
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1796 dstp++; |
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1797 srcp++; |
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1798 w--; |
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1799 } |
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1800 srcp++; /* srcp is now 32-bit aligned */ |
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1801 |
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1802 /* bootstrap pipeline with first halfword */ |
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1803 prev_sw = ((Uint32 *)srcp)[-1]; |
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1804 |
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1805 while(w > 1) { |
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1806 Uint32 sw, dw, s; |
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1807 sw = *(Uint32 *)srcp; |
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1808 dw = *(Uint32 *)dstp; |
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1809 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
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1810 s = (prev_sw << 16) + (sw >> 16); |
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1811 #else |
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1812 s = (prev_sw >> 16) + (sw << 16); |
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1813 #endif |
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1814 prev_sw = sw; |
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1815 *(Uint32 *)dstp = BLEND2x16_50(dw, s, mask); |
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1816 dstp += 2; |
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1817 srcp += 2; |
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1818 w -= 2; |
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1819 } |
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1820 |
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1821 /* final pixel if any */ |
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1822 if(w) { |
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1823 Uint16 d = *dstp, s; |
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1824 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
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1825 s = (Uint16)prev_sw; |
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1826 #else |
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1827 s = (Uint16)(prev_sw >> 16); |
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1828 #endif |
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1829 *dstp = BLEND16_50(d, s, mask); |
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1830 srcp++; |
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1831 dstp++; |
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1832 } |
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1833 srcp += srcskip - 1; |
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1834 dstp += dstskip; |
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1835 } else { |
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1836 /* source and destination are aligned */ |
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1837 int w = width; |
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1838 |
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1839 /* first odd pixel? */ |
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1840 if((uintptr_t)srcp & 2) { |
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1841 Uint16 d = *dstp, s = *srcp; |
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1842 *dstp = BLEND16_50(d, s, mask); |
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1843 srcp++; |
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1844 dstp++; |
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1845 w--; |
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1846 } |
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1847 /* srcp and dstp are now 32-bit aligned */ |
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1848 |
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1849 while(w > 1) { |
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1850 Uint32 sw = *(Uint32 *)srcp; |
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1851 Uint32 dw = *(Uint32 *)dstp; |
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1852 *(Uint32 *)dstp = BLEND2x16_50(dw, sw, mask); |
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1853 srcp += 2; |
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1854 dstp += 2; |
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1855 w -= 2; |
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1856 } |
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1857 |
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1858 /* last odd pixel? */ |
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1859 if(w) { |
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1860 Uint16 d = *dstp, s = *srcp; |
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1861 *dstp = BLEND16_50(d, s, mask); |
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1862 srcp++; |
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1863 dstp++; |
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1864 } |
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1865 srcp += srcskip; |
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1866 dstp += dstskip; |
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1867 } |
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1868 } |
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1869 } |
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1870 |
| 1542 | 1871 #if GCC_ASMBLIT |
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1872 /* fast RGB565->RGB565 blending with surface alpha */ |
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1873 static void Blit565to565SurfaceAlphaMMX(SDL_BlitInfo *info) |
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1874 { |
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1875 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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1876 if(alpha == 128) { |
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1877 Blit16to16SurfaceAlpha128(info, 0xf7de); |
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1878 } else { |
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1879 int width = info->d_width; |
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1880 int height = info->d_height; |
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1881 Uint16 *srcp = (Uint16 *)info->s_pixels; |
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1882 int srcskip = info->s_skip >> 1; |
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1883 Uint16 *dstp = (Uint16 *)info->d_pixels; |
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1884 int dstskip = info->d_skip >> 1; |
| 1542 | 1885 Uint32 s, d; |
| 1886 Uint8 load[8]; | |
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1887 |
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1888 alpha &= ~(1+2+4); /* cut alpha to get the exact same behaviour */ |
| 1542 | 1889 *(Uint64 *)load = alpha; |
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1890 alpha >>= 3; /* downscale alpha to 5 bits */ |
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1891 |
| 1542 | 1892 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
| 1893 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ | |
| 1894 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ | |
| 1895 /* position alpha to allow for mullo and mulhi on diff channels | |
| 1896 to reduce the number of operations */ | |
| 1897 psllq_i2r(3, mm0); | |
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1898 |
| 1542 | 1899 /* Setup the 565 color channel masks */ |
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1900 *(Uint64 *)load = 0x07E007E007E007E0ULL; |
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1901 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
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1902 *(Uint64 *)load = 0x001F001F001F001FULL; |
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1903 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
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1904 while(height--) { |
| 1542 | 1905 DUFFS_LOOP_QUATRO2( |
| 1906 { | |
| 1907 s = *srcp++; | |
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1908 d = *dstp; |
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1909 /* |
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1910 * shift out the middle component (green) to |
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1911 * the high 16 bits, and process all three RGB |
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1912 * components at the same time. |
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1913 */ |
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1914 s = (s | s << 16) & 0x07e0f81f; |
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1915 d = (d | d << 16) & 0x07e0f81f; |
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1916 d += (s - d) * alpha >> 5; |
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1917 d &= 0x07e0f81f; |
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1918 *dstp++ = d | d >> 16; |
| 1542 | 1919 },{ |
| 1920 s = *srcp++; | |
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1921 d = *dstp; |
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1922 /* |
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1923 * shift out the middle component (green) to |
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1924 * the high 16 bits, and process all three RGB |
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1925 * components at the same time. |
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1926 */ |
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1927 s = (s | s << 16) & 0x07e0f81f; |
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1928 d = (d | d << 16) & 0x07e0f81f; |
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1929 d += (s - d) * alpha >> 5; |
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1930 d &= 0x07e0f81f; |
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1931 *dstp++ = d | d >> 16; |
| 1542 | 1932 s = *srcp++; |
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1933 d = *dstp; |
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1934 /* |
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1935 * shift out the middle component (green) to |
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1936 * the high 16 bits, and process all three RGB |
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1937 * components at the same time. |
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1938 */ |
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1939 s = (s | s << 16) & 0x07e0f81f; |
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1940 d = (d | d << 16) & 0x07e0f81f; |
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1941 d += (s - d) * alpha >> 5; |
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1942 d &= 0x07e0f81f; |
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1943 *dstp++ = d | d >> 16; |
| 1542 | 1944 },{ |
| 1945 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 1946 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 1947 | |
| 1948 /* red -- does not need a mask since the right shift clears | |
| 1949 the uninteresting bits */ | |
| 1950 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 1951 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 1952 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 [000r 000r 000r 000r] */ | |
| 1953 psrlw_i2r(11, mm6); /* mm6 >> 11 -> mm6 [000r 000r 000r 000r] */ | |
| 1954 | |
| 1955 /* blend */ | |
| 1956 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 1957 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 1958 /* alpha used is actually 11 bits | |
| 1959 11 + 5 = 16 bits, so the sign bits are lost */ | |
| 1960 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 1961 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 1962 psllw_i2r(11, mm6); /* mm6 << 11 -> mm6 */ | |
| 1963 | |
| 1964 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 1965 | |
| 1966 /* green -- process the bits in place */ | |
| 1967 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 1968 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 1969 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 1970 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 1971 | |
| 1972 /* blend */ | |
| 1973 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 1974 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 1975 /* 11 + 11 - 16 = 6 bits, so all the lower uninteresting | |
| 1976 bits are gone and the sign bits present */ | |
| 1977 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 1978 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 1979 | |
| 1980 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 1981 | |
| 1982 /* blue */ | |
| 1983 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 1984 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 1985 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 1986 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 1987 | |
| 1988 /* blend */ | |
| 1989 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 1990 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 1991 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 1992 the interesting bits will need to be MASKed */ | |
| 1993 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 1994 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 1995 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 1996 | |
| 1997 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 1998 | |
| 1999 movq_r2m(mm1, *dstp); /* mm1 -> 4 dst pixels */ | |
| 2000 | |
| 2001 srcp += 4; | |
| 2002 dstp += 4; | |
| 2003 }, width); | |
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2004 srcp += srcskip; |
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2005 dstp += dstskip; |
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2006 } |
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2007 emms(); |
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2008 } |
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2009 } |
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2010 |
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2011 /* fast RGB555->RGB555 blending with surface alpha */ |
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2012 static void Blit555to555SurfaceAlphaMMX(SDL_BlitInfo *info) |
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2013 { |
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2014 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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2015 if(alpha == 128) { |
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2016 Blit16to16SurfaceAlpha128(info, 0xfbde); |
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2017 } else { |
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2018 int width = info->d_width; |
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2019 int height = info->d_height; |
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2020 Uint16 *srcp = (Uint16 *)info->s_pixels; |
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2021 int srcskip = info->s_skip >> 1; |
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2022 Uint16 *dstp = (Uint16 *)info->d_pixels; |
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2023 int dstskip = info->d_skip >> 1; |
| 1542 | 2024 Uint32 s, d; |
| 2025 Uint8 load[8]; | |
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2026 |
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2027 alpha &= ~(1+2+4); /* cut alpha to get the exact same behaviour */ |
| 1542 | 2028 *(Uint64 *)load = alpha; |
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2029 alpha >>= 3; /* downscale alpha to 5 bits */ |
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2030 |
| 1542 | 2031 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
| 2032 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ | |
| 2033 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ | |
| 2034 /* position alpha to allow for mullo and mulhi on diff channels | |
| 2035 to reduce the number of operations */ | |
| 2036 psllq_i2r(3, mm0); | |
| 2037 | |
| 2038 /* Setup the 555 color channel masks */ | |
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2039 *(Uint64 *)load = 0x03E003E003E003E0ULL; |
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2040 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
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2041 *(Uint64 *)load = 0x001F001F001F001FULL; |
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2042 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
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2043 while(height--) { |
| 1542 | 2044 DUFFS_LOOP_QUATRO2( |
| 2045 { | |
| 2046 s = *srcp++; | |
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2047 d = *dstp; |
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2048 /* |
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2049 * shift out the middle component (green) to |
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2050 * the high 16 bits, and process all three RGB |
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2051 * components at the same time. |
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2052 */ |
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2053 s = (s | s << 16) & 0x03e07c1f; |
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2054 d = (d | d << 16) & 0x03e07c1f; |
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2055 d += (s - d) * alpha >> 5; |
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2056 d &= 0x03e07c1f; |
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2057 *dstp++ = d | d >> 16; |
| 1542 | 2058 },{ |
| 2059 s = *srcp++; | |
|
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2060 d = *dstp; |
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2061 /* |
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2062 * shift out the middle component (green) to |
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2063 * the high 16 bits, and process all three RGB |
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2064 * components at the same time. |
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2065 */ |
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2066 s = (s | s << 16) & 0x03e07c1f; |
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2067 d = (d | d << 16) & 0x03e07c1f; |
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2068 d += (s - d) * alpha >> 5; |
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2069 d &= 0x03e07c1f; |
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2070 *dstp++ = d | d >> 16; |
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2071 s = *srcp++; |
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2072 d = *dstp; |
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2073 /* |
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2074 * shift out the middle component (green) to |
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2075 * the high 16 bits, and process all three RGB |
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2076 * components at the same time. |
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2077 */ |
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2078 s = (s | s << 16) & 0x03e07c1f; |
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2079 d = (d | d << 16) & 0x03e07c1f; |
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2080 d += (s - d) * alpha >> 5; |
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2081 d &= 0x03e07c1f; |
|
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2082 *dstp++ = d | d >> 16; |
| 1542 | 2083 },{ |
| 2084 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2085 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2086 | |
| 2087 /* red -- process the bits in place */ | |
| 2088 psllq_i2r(5, mm4); /* turn MASKGREEN into MASKRED */ | |
| 2089 /* by reusing the GREEN mask we free up another mmx | |
| 2090 register to accumulate the result */ | |
| 2091 | |
| 2092 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2093 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2094 pand_r2r(mm4, mm5); /* src & MASKRED -> mm5 */ | |
| 2095 pand_r2r(mm4, mm6); /* dst & MASKRED -> mm6 */ | |
| 2096 | |
| 2097 /* blend */ | |
| 2098 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2099 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2100 /* 11 + 15 - 16 = 10 bits, uninteresting bits will be | |
| 2101 cleared by a MASK below */ | |
| 2102 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2103 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2104 pand_r2r(mm4, mm6); /* mm6 & MASKRED -> mm6 */ | |
| 2105 | |
| 2106 psrlq_i2r(5, mm4); /* turn MASKRED back into MASKGREEN */ | |
| 2107 | |
| 2108 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2109 | |
| 2110 /* green -- process the bits in place */ | |
| 2111 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2112 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2113 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2114 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2115 | |
| 2116 /* blend */ | |
| 2117 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2118 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2119 /* 11 + 10 - 16 = 5 bits, so all the lower uninteresting | |
| 2120 bits are gone and the sign bits present */ | |
| 2121 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2122 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2123 | |
| 2124 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2125 | |
| 2126 /* blue */ | |
| 2127 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2128 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2129 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2130 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2131 | |
| 2132 /* blend */ | |
| 2133 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2134 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2135 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2136 the interesting bits will need to be MASKed */ | |
| 2137 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2138 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2139 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2140 | |
| 2141 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2142 | |
| 2143 movq_r2m(mm1, *dstp);/* mm1 -> 4 dst pixels */ | |
| 2144 | |
| 2145 srcp += 4; | |
| 2146 dstp += 4; | |
| 2147 }, width); | |
|
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2148 srcp += srcskip; |
|
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2149 dstp += dstskip; |
|
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|
2150 } |
|
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2151 emms(); |
|
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2152 } |
|
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2153 } |
| 1542 | 2154 /* End GCC_ASMBLIT */ |
| 2155 | |
| 2156 #elif MSVC_ASMBLIT | |
| 2157 /* fast RGB565->RGB565 blending with surface alpha */ | |
| 2158 static void Blit565to565SurfaceAlphaMMX(SDL_BlitInfo *info) | |
| 2159 { | |
| 2160 unsigned alpha = info->src->alpha; | |
| 2161 if(alpha == 128) { | |
| 2162 Blit16to16SurfaceAlpha128(info, 0xf7de); | |
| 2163 } else { | |
| 2164 int width = info->d_width; | |
| 2165 int height = info->d_height; | |
| 2166 Uint16 *srcp = (Uint16 *)info->s_pixels; | |
| 2167 int srcskip = info->s_skip >> 1; | |
| 2168 Uint16 *dstp = (Uint16 *)info->d_pixels; | |
| 2169 int dstskip = info->d_skip >> 1; | |
| 2170 Uint32 s, d; | |
| 2171 | |
| 2172 __m64 src1, dst1, src2, dst2, gmask, bmask, mm_res, mm_alpha; | |
| 2173 | |
| 2174 alpha &= ~(1+2+4); /* cut alpha to get the exact same behaviour */ | |
| 2175 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ | |
| 2176 alpha >>= 3; /* downscale alpha to 5 bits */ | |
| 2177 | |
| 2178 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 2179 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 2180 /* position alpha to allow for mullo and mulhi on diff channels | |
| 2181 to reduce the number of operations */ | |
| 2182 mm_alpha = _mm_slli_si64(mm_alpha, 3); | |
| 2183 | |
| 2184 /* Setup the 565 color channel masks */ | |
| 2185 gmask = _mm_set_pi32(0x07E007E0, 0x07E007E0); /* MASKGREEN -> gmask */ | |
| 2186 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ | |
| 2187 | |
| 2188 while(height--) { | |
| 2189 DUFFS_LOOP_QUATRO2( | |
| 2190 { | |
| 2191 s = *srcp++; | |
| 2192 d = *dstp; | |
| 2193 /* | |
| 2194 * shift out the middle component (green) to | |
| 2195 * the high 16 bits, and process all three RGB | |
| 2196 * components at the same time. | |
| 2197 */ | |
| 2198 s = (s | s << 16) & 0x07e0f81f; | |
| 2199 d = (d | d << 16) & 0x07e0f81f; | |
| 2200 d += (s - d) * alpha >> 5; | |
| 2201 d &= 0x07e0f81f; | |
|
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1542
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|
2202 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2203 },{ |
| 2204 s = *srcp++; | |
| 2205 d = *dstp; | |
| 2206 /* | |
| 2207 * shift out the middle component (green) to | |
| 2208 * the high 16 bits, and process all three RGB | |
| 2209 * components at the same time. | |
| 2210 */ | |
| 2211 s = (s | s << 16) & 0x07e0f81f; | |
| 2212 d = (d | d << 16) & 0x07e0f81f; | |
| 2213 d += (s - d) * alpha >> 5; | |
| 2214 d &= 0x07e0f81f; | |
|
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1542
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|
2215 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2216 s = *srcp++; |
| 2217 d = *dstp; | |
| 2218 /* | |
| 2219 * shift out the middle component (green) to | |
| 2220 * the high 16 bits, and process all three RGB | |
| 2221 * components at the same time. | |
| 2222 */ | |
| 2223 s = (s | s << 16) & 0x07e0f81f; | |
| 2224 d = (d | d << 16) & 0x07e0f81f; | |
| 2225 d += (s - d) * alpha >> 5; | |
| 2226 d &= 0x07e0f81f; | |
|
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1542
diff
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|
2227 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2228 },{ |
| 2229 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2230 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2231 | |
| 2232 /* red */ | |
| 2233 src2 = src1; | |
| 2234 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 [000r 000r 000r 000r] */ | |
| 2235 | |
| 2236 dst2 = dst1; | |
| 2237 dst2 = _mm_srli_pi16(dst2, 11); /* dst2 >> 11 -> dst2 [000r 000r 000r 000r] */ | |
| 2238 | |
| 2239 /* blend */ | |
| 2240 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2241 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2242 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2243 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2244 dst2 = _mm_slli_pi16(dst2, 11); /* dst2 << 11 -> dst2 */ | |
| 2245 | |
| 2246 mm_res = dst2; /* RED -> mm_res */ | |
| 2247 | |
| 2248 /* green -- process the bits in place */ | |
| 2249 src2 = src1; | |
| 2250 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2251 | |
| 2252 dst2 = dst1; | |
| 2253 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2254 | |
| 2255 /* blend */ | |
| 2256 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2257 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2258 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2259 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2260 | |
| 2261 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2262 | |
| 2263 /* blue */ | |
| 2264 src2 = src1; | |
| 2265 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2266 | |
| 2267 dst2 = dst1; | |
| 2268 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2269 | |
| 2270 /* blend */ | |
| 2271 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2272 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2273 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2274 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2275 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2276 | |
| 2277 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2278 | |
| 2279 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2280 | |
| 2281 srcp += 4; | |
| 2282 dstp += 4; | |
| 2283 }, width); | |
| 2284 srcp += srcskip; | |
| 2285 dstp += dstskip; | |
| 2286 } | |
| 2287 _mm_empty(); | |
| 2288 } | |
| 2289 } | |
| 2290 | |
| 2291 /* fast RGB555->RGB555 blending with surface alpha */ | |
| 2292 static void Blit555to555SurfaceAlphaMMX(SDL_BlitInfo *info) | |
| 2293 { | |
| 2294 unsigned alpha = info->src->alpha; | |
| 2295 if(alpha == 128) { | |
| 2296 Blit16to16SurfaceAlpha128(info, 0xfbde); | |
| 2297 } else { | |
| 2298 int width = info->d_width; | |
| 2299 int height = info->d_height; | |
| 2300 Uint16 *srcp = (Uint16 *)info->s_pixels; | |
| 2301 int srcskip = info->s_skip >> 1; | |
| 2302 Uint16 *dstp = (Uint16 *)info->d_pixels; | |
| 2303 int dstskip = info->d_skip >> 1; | |
| 2304 Uint32 s, d; | |
| 2305 | |
| 2306 __m64 src1, dst1, src2, dst2, rmask, gmask, bmask, mm_res, mm_alpha; | |
| 2307 | |
| 2308 alpha &= ~(1+2+4); /* cut alpha to get the exact same behaviour */ | |
| 2309 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ | |
| 2310 alpha >>= 3; /* downscale alpha to 5 bits */ | |
| 2311 | |
| 2312 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 2313 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 2314 /* position alpha to allow for mullo and mulhi on diff channels | |
| 2315 to reduce the number of operations */ | |
| 2316 mm_alpha = _mm_slli_si64(mm_alpha, 3); | |
| 2317 | |
| 2318 /* Setup the 555 color channel masks */ | |
| 2319 rmask = _mm_set_pi32(0x7C007C00, 0x7C007C00); /* MASKRED -> rmask */ | |
| 2320 gmask = _mm_set_pi32(0x03E003E0, 0x03E003E0); /* MASKGREEN -> gmask */ | |
| 2321 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ | |
| 2322 | |
| 2323 while(height--) { | |
| 2324 DUFFS_LOOP_QUATRO2( | |
| 2325 { | |
| 2326 s = *srcp++; | |
| 2327 d = *dstp; | |
| 2328 /* | |
| 2329 * shift out the middle component (green) to | |
| 2330 * the high 16 bits, and process all three RGB | |
| 2331 * components at the same time. | |
| 2332 */ | |
| 2333 s = (s | s << 16) & 0x03e07c1f; | |
| 2334 d = (d | d << 16) & 0x03e07c1f; | |
| 2335 d += (s - d) * alpha >> 5; | |
| 2336 d &= 0x03e07c1f; | |
|
1546
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parents:
1542
diff
changeset
|
2337 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2338 },{ |
| 2339 s = *srcp++; | |
| 2340 d = *dstp; | |
| 2341 /* | |
| 2342 * shift out the middle component (green) to | |
| 2343 * the high 16 bits, and process all three RGB | |
| 2344 * components at the same time. | |
| 2345 */ | |
| 2346 s = (s | s << 16) & 0x03e07c1f; | |
| 2347 d = (d | d << 16) & 0x03e07c1f; | |
| 2348 d += (s - d) * alpha >> 5; | |
| 2349 d &= 0x03e07c1f; | |
|
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parents:
1542
diff
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|
2350 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2351 s = *srcp++; |
| 2352 d = *dstp; | |
| 2353 /* | |
| 2354 * shift out the middle component (green) to | |
| 2355 * the high 16 bits, and process all three RGB | |
| 2356 * components at the same time. | |
| 2357 */ | |
| 2358 s = (s | s << 16) & 0x03e07c1f; | |
| 2359 d = (d | d << 16) & 0x03e07c1f; | |
| 2360 d += (s - d) * alpha >> 5; | |
| 2361 d &= 0x03e07c1f; | |
|
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diff
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|
2362 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2363 },{ |
| 2364 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2365 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2366 | |
| 2367 /* red -- process the bits in place */ | |
| 2368 src2 = src1; | |
| 2369 src2 = _mm_and_si64(src2, rmask); /* src & MASKRED -> src2 */ | |
| 2370 | |
| 2371 dst2 = dst1; | |
| 2372 dst2 = _mm_and_si64(dst2, rmask); /* dst & MASKRED -> dst2 */ | |
| 2373 | |
| 2374 /* blend */ | |
| 2375 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2376 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2377 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2378 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2379 dst2 = _mm_and_si64(dst2, rmask); /* dst2 & MASKRED -> dst2 */ | |
| 2380 | |
| 2381 mm_res = dst2; /* RED -> mm_res */ | |
| 2382 | |
| 2383 /* green -- process the bits in place */ | |
| 2384 src2 = src1; | |
| 2385 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2386 | |
| 2387 dst2 = dst1; | |
| 2388 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2389 | |
| 2390 /* blend */ | |
| 2391 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2392 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2393 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2394 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2395 | |
| 2396 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2397 | |
| 2398 /* blue */ | |
| 2399 src2 = src1; /* src -> src2 */ | |
| 2400 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2401 | |
| 2402 dst2 = dst1; /* dst -> dst2 */ | |
| 2403 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2404 | |
| 2405 /* blend */ | |
| 2406 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2407 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2408 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2409 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2410 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2411 | |
| 2412 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2413 | |
| 2414 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2415 | |
| 2416 srcp += 4; | |
| 2417 dstp += 4; | |
| 2418 }, width); | |
| 2419 srcp += srcskip; | |
| 2420 dstp += dstskip; | |
| 2421 } | |
| 2422 _mm_empty(); | |
| 2423 } | |
| 2424 } | |
| 2425 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
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|
2426 |
|
1
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diff
changeset
|
2427 /* fast RGB565->RGB565 blending with surface alpha */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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0
diff
changeset
|
2428 static void Blit565to565SurfaceAlpha(SDL_BlitInfo *info) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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0
diff
changeset
|
2429 { |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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0
diff
changeset
|
2430 unsigned alpha = info->src->alpha; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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0
diff
changeset
|
2431 if(alpha == 128) { |
|
cf2af46e9e2a
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changeset
|
2432 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
cf2af46e9e2a
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diff
changeset
|
2433 } else { |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
changeset
|
2434 int width = info->d_width; |
|
cf2af46e9e2a
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diff
changeset
|
2435 int height = info->d_height; |
|
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diff
changeset
|
2436 Uint16 *srcp = (Uint16 *)info->s_pixels; |
|
cf2af46e9e2a
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diff
changeset
|
2437 int srcskip = info->s_skip >> 1; |
|
cf2af46e9e2a
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0
diff
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|
2438 Uint16 *dstp = (Uint16 *)info->d_pixels; |
|
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diff
changeset
|
2439 int dstskip = info->d_skip >> 1; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
changeset
|
2440 alpha >>= 3; /* downscale alpha to 5 bits */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
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|
2441 |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
changeset
|
2442 while(height--) { |
|
cf2af46e9e2a
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0
diff
changeset
|
2443 DUFFS_LOOP4({ |
|
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diff
changeset
|
2444 Uint32 s = *srcp++; |
|
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diff
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|
2445 Uint32 d = *dstp; |
|
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diff
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|
2446 /* |
|
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|
2447 * shift out the middle component (green) to |
|
cf2af46e9e2a
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0
diff
changeset
|
2448 * the high 16 bits, and process all three RGB |
|
cf2af46e9e2a
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diff
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|
2449 * components at the same time. |
|
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diff
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|
2450 */ |
|
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diff
changeset
|
2451 s = (s | s << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
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0
diff
changeset
|
2452 d = (d | d << 16) & 0x07e0f81f; |
|
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changeset
|
2453 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
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|
2454 d &= 0x07e0f81f; |
|
1428
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Update for Visual C++ 6.0
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diff
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|
2455 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
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|
2456 }, width); |
|
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|
2457 srcp += srcskip; |
|
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diff
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|
2458 dstp += dstskip; |
|
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|
2459 } |
| 0 | 2460 } |
| 2461 } | |
| 2462 | |
| 2463 /* fast RGB555->RGB555 blending with surface alpha */ | |
| 2464 static void Blit555to555SurfaceAlpha(SDL_BlitInfo *info) | |
| 2465 { | |
|
1
cf2af46e9e2a
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|
2466 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
|
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|
2467 if(alpha == 128) { |
|
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|
2468 Blit16to16SurfaceAlpha128(info, 0xfbde); |
|
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|
2469 } else { |
|
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|
2470 int width = info->d_width; |
|
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|
2471 int height = info->d_height; |
|
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|
2472 Uint16 *srcp = (Uint16 *)info->s_pixels; |
|
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|
2473 int srcskip = info->s_skip >> 1; |
|
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|
2474 Uint16 *dstp = (Uint16 *)info->d_pixels; |
|
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|
2475 int dstskip = info->d_skip >> 1; |
|
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|
2476 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 0 | 2477 |
|
1
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|
2478 while(height--) { |
|
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|
2479 DUFFS_LOOP4({ |
|
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|
2480 Uint32 s = *srcp++; |
|
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|
2481 Uint32 d = *dstp; |
|
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|
2482 /* |
|
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|
2483 * shift out the middle component (green) to |
|
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0
diff
changeset
|
2484 * the high 16 bits, and process all three RGB |
|
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0
diff
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|
2485 * components at the same time. |
|
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|
2486 */ |
|
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|
2487 s = (s | s << 16) & 0x03e07c1f; |
|
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0
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|
2488 d = (d | d << 16) & 0x03e07c1f; |
|
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|
2489 d += (s - d) * alpha >> 5; |
|
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|
2490 d &= 0x03e07c1f; |
|
1428
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|
2491 *dstp++ = (Uint16)(d | d >> 16); |
|
1
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|
2492 }, width); |
|
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diff
changeset
|
2493 srcp += srcskip; |
|
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0
diff
changeset
|
2494 dstp += dstskip; |
|
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|
2495 } |
| 0 | 2496 } |
| 2497 } | |
| 2498 | |
| 2499 /* fast ARGB8888->RGB565 blending with pixel alpha */ | |
| 2500 static void BlitARGBto565PixelAlpha(SDL_BlitInfo *info) | |
| 2501 { | |
| 2502 int width = info->d_width; | |
| 2503 int height = info->d_height; | |
| 2504 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
| 2505 int srcskip = info->s_skip >> 2; | |
| 2506 Uint16 *dstp = (Uint16 *)info->d_pixels; | |
| 2507 int dstskip = info->d_skip >> 1; | |
| 2508 | |
| 2509 while(height--) { | |
| 2510 DUFFS_LOOP4({ | |
| 2511 Uint32 s = *srcp; | |
| 2512 unsigned alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2513 /* FIXME: Here we special-case opaque alpha since the | |
| 2514 compositioning used (>>8 instead of /255) doesn't handle | |
| 2515 it correctly. Also special-case alpha=0 for speed? | |
| 2516 Benchmark this! */ | |
|
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|
2517 if(alpha) { |
|
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|
2518 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
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|
2519 *dstp = (Uint16)((s >> 8 & 0xf800) + (s >> 5 & 0x7e0) + (s >> 3 & 0x1f)); |
|
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|
2520 } else { |
| 0 | 2521 Uint32 d = *dstp; |
| 2522 /* | |
| 2523 * convert source and destination to G0RAB65565 | |
| 2524 * and blend all components at the same time | |
| 2525 */ | |
| 2526 s = ((s & 0xfc00) << 11) + (s >> 8 & 0xf800) | |
| 2527 + (s >> 3 & 0x1f); | |
| 2528 d = (d | d << 16) & 0x07e0f81f; | |
| 2529 d += (s - d) * alpha >> 5; | |
| 2530 d &= 0x07e0f81f; | |
|
1428
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Update for Visual C++ 6.0
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|
2531 *dstp = (Uint16)(d | d >> 16); |
|
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|
2532 } |
| 0 | 2533 } |
| 2534 srcp++; | |
| 2535 dstp++; | |
| 2536 }, width); | |
| 2537 srcp += srcskip; | |
| 2538 dstp += dstskip; | |
| 2539 } | |
| 2540 } | |
| 2541 | |
| 2542 /* fast ARGB8888->RGB555 blending with pixel alpha */ | |
| 2543 static void BlitARGBto555PixelAlpha(SDL_BlitInfo *info) | |
| 2544 { | |
| 2545 int width = info->d_width; | |
| 2546 int height = info->d_height; | |
| 2547 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
| 2548 int srcskip = info->s_skip >> 2; | |
| 2549 Uint16 *dstp = (Uint16 *)info->d_pixels; | |
| 2550 int dstskip = info->d_skip >> 1; | |
| 2551 | |
| 2552 while(height--) { | |
| 2553 DUFFS_LOOP4({ | |
| 2554 unsigned alpha; | |
| 2555 Uint32 s = *srcp; | |
| 2556 alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2557 /* FIXME: Here we special-case opaque alpha since the | |
| 2558 compositioning used (>>8 instead of /255) doesn't handle | |
| 2559 it correctly. Also special-case alpha=0 for speed? | |
| 2560 Benchmark this! */ | |
|
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|
2561 if(alpha) { |
|
5bb080d35049
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|
2562 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
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Update for Visual C++ 6.0
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1402
diff
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|
2563 *dstp = (Uint16)((s >> 9 & 0x7c00) + (s >> 6 & 0x3e0) + (s >> 3 & 0x1f)); |
|
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|
2564 } else { |
| 0 | 2565 Uint32 d = *dstp; |
| 2566 /* | |
| 2567 * convert source and destination to G0RAB65565 | |
| 2568 * and blend all components at the same time | |
| 2569 */ | |
| 2570 s = ((s & 0xf800) << 10) + (s >> 9 & 0x7c00) | |
| 2571 + (s >> 3 & 0x1f); | |
| 2572 d = (d | d << 16) & 0x03e07c1f; | |
| 2573 d += (s - d) * alpha >> 5; | |
| 2574 d &= 0x03e07c1f; | |
|
1428
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Update for Visual C++ 6.0
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|
2575 *dstp = (Uint16)(d | d >> 16); |
|
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|
2576 } |
| 0 | 2577 } |
| 2578 srcp++; | |
| 2579 dstp++; | |
| 2580 }, width); | |
| 2581 srcp += srcskip; | |
| 2582 dstp += dstskip; | |
| 2583 } | |
| 2584 } | |
| 2585 | |
| 2586 /* General (slow) N->N blending with per-surface alpha */ | |
| 2587 static void BlitNtoNSurfaceAlpha(SDL_BlitInfo *info) | |
| 2588 { | |
| 2589 int width = info->d_width; | |
| 2590 int height = info->d_height; | |
| 2591 Uint8 *src = info->s_pixels; | |
| 2592 int srcskip = info->s_skip; | |
| 2593 Uint8 *dst = info->d_pixels; | |
| 2594 int dstskip = info->d_skip; | |
| 2595 SDL_PixelFormat *srcfmt = info->src; | |
| 2596 SDL_PixelFormat *dstfmt = info->dst; | |
| 2597 int srcbpp = srcfmt->BytesPerPixel; | |
| 2598 int dstbpp = dstfmt->BytesPerPixel; | |
| 2599 unsigned sA = srcfmt->alpha; | |
| 2600 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; | |
| 2601 | |
|
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|
2602 if(sA) { |
|
5bb080d35049
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|
2603 while ( height-- ) { |
| 0 | 2604 DUFFS_LOOP4( |
| 2605 { | |
|
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
|
2606 Uint32 Pixel; |
| 0 | 2607 unsigned sR; |
| 2608 unsigned sG; | |
| 2609 unsigned sB; | |
| 2610 unsigned dR; | |
| 2611 unsigned dG; | |
| 2612 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
|
2613 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
|
2614 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2615 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2616 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2617 src += srcbpp; | |
| 2618 dst += dstbpp; | |
| 2619 }, | |
| 2620 width); | |
| 2621 src += srcskip; | |
| 2622 dst += dstskip; | |
|
689
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Date: Tue, 19 Aug 2003 17:57:00 +0200
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|
2623 } |
| 0 | 2624 } |
| 2625 } | |
| 2626 | |
| 2627 /* General (slow) colorkeyed N->N blending with per-surface alpha */ | |
| 2628 static void BlitNtoNSurfaceAlphaKey(SDL_BlitInfo *info) | |
| 2629 { | |
| 2630 int width = info->d_width; | |
| 2631 int height = info->d_height; | |
| 2632 Uint8 *src = info->s_pixels; | |
| 2633 int srcskip = info->s_skip; | |
| 2634 Uint8 *dst = info->d_pixels; | |
| 2635 int dstskip = info->d_skip; | |
| 2636 SDL_PixelFormat *srcfmt = info->src; | |
| 2637 SDL_PixelFormat *dstfmt = info->dst; | |
| 2638 Uint32 ckey = srcfmt->colorkey; | |
| 2639 int srcbpp = srcfmt->BytesPerPixel; | |
| 2640 int dstbpp = dstfmt->BytesPerPixel; | |
| 2641 unsigned sA = srcfmt->alpha; | |
| 2642 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; | |
| 2643 | |
| 2644 while ( height-- ) { | |
| 2645 DUFFS_LOOP4( | |
| 2646 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2647 Uint32 Pixel; |
| 0 | 2648 unsigned sR; |
| 2649 unsigned sG; | |
| 2650 unsigned sB; | |
| 2651 unsigned dR; | |
| 2652 unsigned dG; | |
| 2653 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
|
2654 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
|
2655 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
|
2656 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
|
2657 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2658 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2659 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2660 } | |
| 2661 src += srcbpp; | |
| 2662 dst += dstbpp; | |
| 2663 }, | |
| 2664 width); | |
| 2665 src += srcskip; | |
| 2666 dst += dstskip; | |
| 2667 } | |
| 2668 } | |
| 2669 | |
| 2670 /* General (slow) N->N blending with pixel alpha */ | |
| 2671 static void BlitNtoNPixelAlpha(SDL_BlitInfo *info) | |
| 2672 { | |
| 2673 int width = info->d_width; | |
| 2674 int height = info->d_height; | |
| 2675 Uint8 *src = info->s_pixels; | |
| 2676 int srcskip = info->s_skip; | |
| 2677 Uint8 *dst = info->d_pixels; | |
| 2678 int dstskip = info->d_skip; | |
| 2679 SDL_PixelFormat *srcfmt = info->src; | |
| 2680 SDL_PixelFormat *dstfmt = info->dst; | |
| 2681 | |
| 2682 int srcbpp; | |
| 2683 int dstbpp; | |
| 2684 | |
| 2685 /* Set up some basic variables */ | |
| 2686 srcbpp = srcfmt->BytesPerPixel; | |
| 2687 dstbpp = dstfmt->BytesPerPixel; | |
| 2688 | |
| 2689 /* FIXME: for 8bpp source alpha, this doesn't get opaque values | |
| 2690 quite right. for <8bpp source alpha, it gets them very wrong | |
| 2691 (check all macros!) | |
| 2692 It is unclear whether there is a good general solution that doesn't | |
| 2693 need a branch (or a divide). */ | |
| 2694 while ( height-- ) { | |
| 2695 DUFFS_LOOP4( | |
| 2696 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2697 Uint32 Pixel; |
| 0 | 2698 unsigned sR; |
| 2699 unsigned sG; | |
| 2700 unsigned sB; | |
| 2701 unsigned dR; | |
| 2702 unsigned dG; | |
| 2703 unsigned dB; | |
| 2704 unsigned sA; | |
| 2705 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
|
2706 DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, sR, sG, sB, sA); |
|
689
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Date: Tue, 19 Aug 2003 17:57:00 +0200
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changeset
|
2707 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
|
2708 DISEMBLE_RGBA(dst, dstbpp, dstfmt, Pixel, dR, dG, dB, dA); |
|
689
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Date: Tue, 19 Aug 2003 17:57:00 +0200
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|
2709 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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|
2710 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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diff
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|
2711 } |
| 0 | 2712 src += srcbpp; |
| 2713 dst += dstbpp; | |
| 2714 }, | |
| 2715 width); | |
| 2716 src += srcskip; | |
| 2717 dst += dstskip; | |
| 2718 } | |
| 2719 } | |
| 2720 | |
| 2721 | |
| 2722 SDL_loblit SDL_CalculateAlphaBlit(SDL_Surface *surface, int blit_index) | |
| 2723 { | |
| 2724 SDL_PixelFormat *sf = surface->format; | |
| 2725 SDL_PixelFormat *df = surface->map->dst->format; | |
| 2726 | |
| 2727 if(sf->Amask == 0) { | |
| 2728 if((surface->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { | |
| 2729 if(df->BytesPerPixel == 1) | |
| 2730 return BlitNto1SurfaceAlphaKey; | |
| 2731 else | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2732 #if SDL_ALTIVEC_BLITTERS |
| 1240 | 2733 if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 && |
| 2734 !(surface->map->dst->flags & SDL_HWSURFACE) && SDL_HasAltiVec()) | |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2735 return Blit32to32SurfaceAlphaKeyAltivec; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2736 else |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2737 #endif |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2738 return BlitNtoNSurfaceAlphaKey; |
| 0 | 2739 } else { |
| 2740 /* Per-surface alpha blits */ | |
| 2741 switch(df->BytesPerPixel) { | |
| 2742 case 1: | |
| 2743 return BlitNto1SurfaceAlpha; | |
| 2744 | |
| 2745 case 2: | |
| 2746 if(surface->map->identity) { | |
| 2747 if(df->Gmask == 0x7e0) | |
|
689
5bb080d35049
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diff
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|
2748 { |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2749 #if MMX_ASMBLIT |
|
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
720
diff
changeset
|
2750 if(SDL_HasMMX()) |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2751 return Blit565to565SurfaceAlphaMMX; |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2752 else |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
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297
diff
changeset
|
2753 #endif |
| 0 | 2754 return Blit565to565SurfaceAlpha; |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2755 } |
| 0 | 2756 else if(df->Gmask == 0x3e0) |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2757 { |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2758 #if MMX_ASMBLIT |
|
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
720
diff
changeset
|
2759 if(SDL_HasMMX()) |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2760 return Blit555to555SurfaceAlphaMMX; |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2761 else |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
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297
diff
changeset
|
2762 #endif |
| 0 | 2763 return Blit555to555SurfaceAlpha; |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2764 } |
| 0 | 2765 } |
| 2766 return BlitNtoNSurfaceAlpha; | |
| 2767 | |
| 2768 case 4: | |
| 2769 if(sf->Rmask == df->Rmask | |
| 2770 && sf->Gmask == df->Gmask | |
| 2771 && sf->Bmask == df->Bmask | |
| 2772 && sf->BytesPerPixel == 4) | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2773 { |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2774 #if MMX_ASMBLIT |
| 1542 | 2775 if(sf->Rshift % 8 == 0 |
| 2776 && sf->Gshift % 8 == 0 | |
| 2777 && sf->Bshift % 8 == 0 | |
| 2778 && SDL_HasMMX()) | |
| 2779 return BlitRGBtoRGBSurfaceAlphaMMX; | |
| 2780 #endif | |
| 2781 if((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) | |
| 2782 { | |
|
1617
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2783 #if SDL_ALTIVEC_BLITTERS |
|
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2784 if(!(surface->map->dst->flags & SDL_HWSURFACE) |
|
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2785 && SDL_HasAltiVec()) |
| 1542 | 2786 return BlitRGBtoRGBSurfaceAlphaAltivec; |
| 2787 #endif | |
| 2788 return BlitRGBtoRGBSurfaceAlpha; | |
| 2789 } | |
| 2790 } | |
| 2791 #if SDL_ALTIVEC_BLITTERS | |
| 2792 if((sf->BytesPerPixel == 4) && | |
| 2793 !(surface->map->dst->flags & SDL_HWSURFACE) && SDL_HasAltiVec()) | |
| 2794 return Blit32to32SurfaceAlphaAltivec; | |
|
689
5bb080d35049
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297
diff
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|
2795 else |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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297
diff
changeset
|
2796 #endif |
| 1542 | 2797 return BlitNtoNSurfaceAlpha; |
| 0 | 2798 |
| 2799 case 3: | |
| 2800 default: | |
| 2801 return BlitNtoNSurfaceAlpha; | |
| 2802 } | |
| 2803 } | |
| 2804 } else { | |
| 2805 /* Per-pixel alpha blits */ | |
| 2806 switch(df->BytesPerPixel) { | |
| 2807 case 1: | |
| 2808 return BlitNto1PixelAlpha; | |
| 2809 | |
| 2810 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
|
2811 #if SDL_ALTIVEC_BLITTERS |
| 1240 | 2812 if(sf->BytesPerPixel == 4 && !(surface->map->dst->flags & SDL_HWSURFACE) && |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2813 df->Gmask == 0x7e0 && |
| 1240 | 2814 df->Bmask == 0x1f && SDL_HasAltiVec()) |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2815 return Blit32to565PixelAlphaAltivec; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2816 else |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
2817 #endif |
| 0 | 2818 if(sf->BytesPerPixel == 4 && sf->Amask == 0xff000000 |
| 2819 && sf->Gmask == 0xff00 | |
| 2820 && ((sf->Rmask == 0xff && df->Rmask == 0x1f) | |
| 2821 || (sf->Bmask == 0xff && df->Bmask == 0x1f))) { | |
| 2822 if(df->Gmask == 0x7e0) | |
| 2823 return BlitARGBto565PixelAlpha; | |
| 2824 else if(df->Gmask == 0x3e0) | |
| 2825 return BlitARGBto555PixelAlpha; | |
| 2826 } | |
| 2827 return BlitNtoNPixelAlpha; | |
| 2828 | |
| 2829 case 4: | |
| 1542 | 2830 if(sf->Rmask == df->Rmask |
| 0 | 2831 && sf->Gmask == df->Gmask |
| 2832 && sf->Bmask == df->Bmask | |
| 2833 && sf->BytesPerPixel == 4) | |
|
689
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|
2834 { |
|
1361
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New configure-based build system. Still work in progress, but much improved
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1358
diff
changeset
|
2835 #if MMX_ASMBLIT |
| 1542 | 2836 if(sf->Rshift % 8 == 0 |
| 2837 && sf->Gshift % 8 == 0 | |
| 2838 && sf->Bshift % 8 == 0 | |
| 2839 && sf->Ashift % 8 == 0 | |
| 2840 && sf->Aloss == 0) | |
| 2841 { | |
| 2842 if(SDL_Has3DNow()) | |
| 2843 return BlitRGBtoRGBPixelAlphaMMX3DNOW; | |
| 2844 if(SDL_HasMMX()) | |
| 2845 return BlitRGBtoRGBPixelAlphaMMX; | |
| 2846 } | |
|
689
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|
2847 #endif |
| 1542 | 2848 if(sf->Amask == 0xff000000) |
| 2849 { | |
|
1617
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2850 #if SDL_ALTIVEC_BLITTERS |
|
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2851 if(!(surface->map->dst->flags & SDL_HWSURFACE) |
|
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2852 && SDL_HasAltiVec()) |
| 1542 | 2853 return BlitRGBtoRGBPixelAlphaAltivec; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2854 #endif |
| 1542 | 2855 return BlitRGBtoRGBPixelAlpha; |
| 2856 } | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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|
2857 } |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2858 #if SDL_ALTIVEC_BLITTERS |
| 1542 | 2859 if (sf->Amask && sf->BytesPerPixel == 4 && |
| 2860 !(surface->map->dst->flags & SDL_HWSURFACE) && SDL_HasAltiVec()) | |
| 2861 return Blit32to32PixelAlphaAltivec; | |
| 2862 else | |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2863 #endif |
| 1542 | 2864 return BlitNtoNPixelAlpha; |
| 0 | 2865 |
| 2866 case 3: | |
| 2867 default: | |
| 2868 return BlitNtoNPixelAlpha; | |
| 2869 } | |
| 2870 } | |
| 2871 } | |
| 2872 |