Mercurial > sdl-ios-xcode
annotate src/video/SDL_blit_A.c @ 2120:2c835d58faad
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 14 Jun 2007 13:21:29 +0000 |
| parents | c4e0afbcf1f6 |
| children | 46648dc418ec |
| 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 | |
| 1542 | 27 #if SDL_ASSEMBLY_ROUTINES |
| 28 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) | |
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29 #define MMX_ASMBLIT 1 |
| 1542 | 30 #define GCC_ASMBLIT 1 |
| 31 #elif defined(_MSC_VER) && (_MSC_VER >= 1200) && defined(_M_IX86) | |
| 32 #define MMX_ASMBLIT 1 | |
| 33 #define MSVC_ASMBLIT 1 | |
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34 #endif |
| 1542 | 35 #endif /* SDL_ASSEMBLY_ROUTINES */ |
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36 |
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37 /* Function to check the CPU flags */ |
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38 #include "SDL_cpuinfo.h" |
| 1542 | 39 #if GCC_ASMBLIT |
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40 #include "mmx.h" |
| 1542 | 41 #elif MSVC_ASMBLIT |
| 42 #include <mmintrin.h> | |
| 43 #include <mm3dnow.h> | |
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44 #endif |
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45 |
| 0 | 46 /* Functions to perform alpha blended blitting */ |
| 47 | |
| 48 /* N->1 blending with per-surface alpha */ | |
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49 static void |
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50 BlitNto1SurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 51 { |
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52 int width = info->d_width; |
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53 int height = info->d_height; |
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54 Uint8 *src = info->s_pixels; |
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55 int srcskip = info->s_skip; |
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56 Uint8 *dst = info->d_pixels; |
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57 int dstskip = info->d_skip; |
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58 Uint8 *palmap = info->table; |
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59 SDL_PixelFormat *srcfmt = info->src; |
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60 SDL_PixelFormat *dstfmt = info->dst; |
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61 int srcbpp = srcfmt->BytesPerPixel; |
| 0 | 62 |
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63 const unsigned A = srcfmt->alpha; |
| 0 | 64 |
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65 while (height--) { |
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66 /* *INDENT-OFF* */ |
| 0 | 67 DUFFS_LOOP4( |
| 68 { | |
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69 Uint32 Pixel; |
| 0 | 70 unsigned sR; |
| 71 unsigned sG; | |
| 72 unsigned sB; | |
| 73 unsigned dR; | |
| 74 unsigned dG; | |
| 75 unsigned dB; | |
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76 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
| 0 | 77 dR = dstfmt->palette->colors[*dst].r; |
| 78 dG = dstfmt->palette->colors[*dst].g; | |
| 79 dB = dstfmt->palette->colors[*dst].b; | |
| 80 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
| 81 dR &= 0xff; | |
| 82 dG &= 0xff; | |
| 83 dB &= 0xff; | |
| 84 /* Pack RGB into 8bit pixel */ | |
| 85 if ( palmap == NULL ) { | |
| 86 *dst =((dR>>5)<<(3+2))| | |
| 87 ((dG>>5)<<(2))| | |
| 88 ((dB>>6)<<(0)); | |
| 89 } else { | |
| 90 *dst = palmap[((dR>>5)<<(3+2))| | |
| 91 ((dG>>5)<<(2)) | | |
| 92 ((dB>>6)<<(0))]; | |
| 93 } | |
| 94 dst++; | |
| 95 src += srcbpp; | |
| 96 }, | |
| 97 width); | |
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98 /* *INDENT-ON* */ |
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99 src += srcskip; |
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100 dst += dstskip; |
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101 } |
| 0 | 102 } |
| 103 | |
| 104 /* N->1 blending with pixel alpha */ | |
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105 static void |
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106 BlitNto1PixelAlpha(SDL_BlitInfo * info) |
| 0 | 107 { |
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108 int width = info->d_width; |
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109 int height = info->d_height; |
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110 Uint8 *src = info->s_pixels; |
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111 int srcskip = info->s_skip; |
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112 Uint8 *dst = info->d_pixels; |
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113 int dstskip = info->d_skip; |
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114 Uint8 *palmap = info->table; |
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115 SDL_PixelFormat *srcfmt = info->src; |
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116 SDL_PixelFormat *dstfmt = info->dst; |
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117 int srcbpp = srcfmt->BytesPerPixel; |
| 0 | 118 |
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119 /* FIXME: fix alpha bit field expansion here too? */ |
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120 while (height--) { |
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121 /* *INDENT-OFF* */ |
| 0 | 122 DUFFS_LOOP4( |
| 123 { | |
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124 Uint32 Pixel; |
| 0 | 125 unsigned sR; |
| 126 unsigned sG; | |
| 127 unsigned sB; | |
| 128 unsigned sA; | |
| 129 unsigned dR; | |
| 130 unsigned dG; | |
| 131 unsigned dB; | |
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132 DISEMBLE_RGBA(src,srcbpp,srcfmt,Pixel,sR,sG,sB,sA); |
| 0 | 133 dR = dstfmt->palette->colors[*dst].r; |
| 134 dG = dstfmt->palette->colors[*dst].g; | |
| 135 dB = dstfmt->palette->colors[*dst].b; | |
| 136 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); | |
| 137 dR &= 0xff; | |
| 138 dG &= 0xff; | |
| 139 dB &= 0xff; | |
| 140 /* Pack RGB into 8bit pixel */ | |
| 141 if ( palmap == NULL ) { | |
| 142 *dst =((dR>>5)<<(3+2))| | |
| 143 ((dG>>5)<<(2))| | |
| 144 ((dB>>6)<<(0)); | |
| 145 } else { | |
| 146 *dst = palmap[((dR>>5)<<(3+2))| | |
| 147 ((dG>>5)<<(2)) | | |
| 148 ((dB>>6)<<(0)) ]; | |
| 149 } | |
| 150 dst++; | |
| 151 src += srcbpp; | |
| 152 }, | |
| 153 width); | |
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154 /* *INDENT-ON* */ |
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155 src += srcskip; |
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156 dst += dstskip; |
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157 } |
| 0 | 158 } |
| 159 | |
| 160 /* colorkeyed N->1 blending with per-surface alpha */ | |
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161 static void |
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162 BlitNto1SurfaceAlphaKey(SDL_BlitInfo * info) |
| 0 | 163 { |
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164 int width = info->d_width; |
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165 int height = info->d_height; |
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166 Uint8 *src = info->s_pixels; |
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167 int srcskip = info->s_skip; |
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168 Uint8 *dst = info->d_pixels; |
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169 int dstskip = info->d_skip; |
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170 Uint8 *palmap = info->table; |
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171 SDL_PixelFormat *srcfmt = info->src; |
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172 SDL_PixelFormat *dstfmt = info->dst; |
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173 int srcbpp = srcfmt->BytesPerPixel; |
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174 Uint32 ckey = srcfmt->colorkey; |
| 0 | 175 |
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176 const int A = srcfmt->alpha; |
| 0 | 177 |
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178 while (height--) { |
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179 /* *INDENT-OFF* */ |
| 0 | 180 DUFFS_LOOP( |
| 181 { | |
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182 Uint32 Pixel; |
| 0 | 183 unsigned sR; |
| 184 unsigned sG; | |
| 185 unsigned sB; | |
| 186 unsigned dR; | |
| 187 unsigned dG; | |
| 188 unsigned dB; | |
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189 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
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190 if ( Pixel != ckey ) { |
| 0 | 191 dR = dstfmt->palette->colors[*dst].r; |
| 192 dG = dstfmt->palette->colors[*dst].g; | |
| 193 dB = dstfmt->palette->colors[*dst].b; | |
| 194 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
| 195 dR &= 0xff; | |
| 196 dG &= 0xff; | |
| 197 dB &= 0xff; | |
| 198 /* Pack RGB into 8bit pixel */ | |
| 199 if ( palmap == NULL ) { | |
| 200 *dst =((dR>>5)<<(3+2))| | |
| 201 ((dG>>5)<<(2)) | | |
| 202 ((dB>>6)<<(0)); | |
| 203 } else { | |
| 204 *dst = palmap[((dR>>5)<<(3+2))| | |
| 205 ((dG>>5)<<(2)) | | |
| 206 ((dB>>6)<<(0)) ]; | |
| 207 } | |
| 208 } | |
| 209 dst++; | |
| 210 src += srcbpp; | |
| 211 }, | |
| 212 width); | |
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213 /* *INDENT-ON* */ |
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214 src += srcskip; |
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215 dst += dstskip; |
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216 } |
| 0 | 217 } |
| 218 | |
| 1542 | 219 #if GCC_ASMBLIT |
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220 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
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221 static void |
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222 BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo * info) |
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223 { |
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224 int width = info->d_width; |
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225 int height = info->d_height; |
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226 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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227 int srcskip = info->s_skip >> 2; |
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228 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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229 int dstskip = info->d_skip >> 2; |
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230 Uint32 dalpha = info->dst->Amask; |
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231 Uint8 load[8]; |
| 1542 | 232 |
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233 *(Uint64 *) load = 0x00fefefe00fefefeULL; /* alpha128 mask */ |
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234 movq_m2r(*load, mm4); /* alpha128 mask -> mm4 */ |
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235 *(Uint64 *) load = 0x0001010100010101ULL; /* !alpha128 mask */ |
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236 movq_m2r(*load, mm3); /* !alpha128 mask -> mm3 */ |
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237 movd_m2r(dalpha, mm7); /* dst alpha mask */ |
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238 punpckldq_r2r(mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */ |
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239 while (height--) { |
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240 /* *INDENT-OFF* */ |
| 1542 | 241 DUFFS_LOOP_DOUBLE2( |
| 242 { | |
| 243 Uint32 s = *srcp++; | |
| 244 Uint32 d = *dstp; | |
| 245 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) | |
| 246 + (s & d & 0x00010101)) | dalpha; | |
| 247 },{ | |
| 248 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */ | |
| 249 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */ | |
| 250 | |
| 251 movq_m2r((*srcp), mm1);/* 2 x src -> mm1(ARGBARGB) */ | |
| 252 movq_r2r(mm1, mm5); /* 2 x src -> mm5(ARGBARGB) */ | |
| 253 | |
| 254 pand_r2r(mm4, mm6); /* dst & mask -> mm6 */ | |
| 255 pand_r2r(mm4, mm5); /* src & mask -> mm5 */ | |
| 256 paddd_r2r(mm6, mm5); /* mm6 + mm5 -> mm5 */ | |
| 257 pand_r2r(mm1, mm2); /* src & dst -> mm2 */ | |
| 258 psrld_i2r(1, mm5); /* mm5 >> 1 -> mm5 */ | |
| 259 pand_r2r(mm3, mm2); /* mm2 & !mask -> mm2 */ | |
| 260 paddd_r2r(mm5, mm2); /* mm5 + mm2 -> mm2 */ | |
| 261 | |
| 262 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ | |
| 263 movq_r2m(mm2, (*dstp));/* mm2 -> 2 x dst pixels */ | |
| 264 dstp += 2; | |
| 265 srcp += 2; | |
| 266 }, width); | |
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267 /* *INDENT-ON* */ |
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268 srcp += srcskip; |
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269 dstp += dstskip; |
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270 } |
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271 emms(); |
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272 } |
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273 |
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274 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
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275 static void |
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276 BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo * info) |
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277 { |
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278 SDL_PixelFormat *df = info->dst; |
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279 unsigned alpha = info->src->alpha; |
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280 |
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281 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { |
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282 /* only call a128 version when R,G,B occupy lower bits */ |
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283 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
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284 } else { |
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285 int width = info->d_width; |
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286 int height = info->d_height; |
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287 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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288 int srcskip = info->s_skip >> 2; |
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289 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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290 int dstskip = info->d_skip >> 2; |
| 1542 | 291 |
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292 pxor_r2r(mm5, mm5); /* 0 -> mm5 */ |
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293 /* form the alpha mult */ |
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294 movd_m2r(alpha, mm4); /* 0000000A -> mm4 */ |
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295 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ |
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296 punpckldq_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ |
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297 alpha = |
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298 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df-> |
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299 Bshift); |
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300 movd_m2r(alpha, mm0); /* 00000FFF -> mm0 */ |
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301 punpcklbw_r2r(mm0, mm0); /* 00FFFFFF -> mm0 */ |
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302 pand_r2r(mm0, mm4); /* 0A0A0A0A -> mm4, minus 1 chan */ |
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303 /* at this point mm4 can be 000A0A0A or 0A0A0A00 or another combo */ |
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304 movd_m2r(df->Amask, mm7); /* dst alpha mask */ |
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305 punpckldq_r2r(mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */ |
| 1542 | 306 |
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307 while (height--) { |
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308 /* *INDENT-OFF* */ |
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309 DUFFS_LOOP_DOUBLE2({ |
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310 /* One Pixel Blend */ |
| 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 /* *INDENT-ON* */ |
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357 srcp += srcskip; |
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358 dstp += dstskip; |
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359 } |
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360 emms(); |
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361 } |
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362 } |
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363 |
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364 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
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365 static void |
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366 BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo * info) |
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367 { |
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368 int width = info->d_width; |
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369 int height = info->d_height; |
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370 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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371 int srcskip = info->s_skip >> 2; |
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372 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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373 int dstskip = info->d_skip >> 2; |
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374 SDL_PixelFormat *sf = info->src; |
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375 Uint32 amask = sf->Amask; |
| 1542 | 376 |
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377 pxor_r2r(mm6, mm6); /* 0 -> mm6 */ |
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378 /* form multiplication mask */ |
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379 movd_m2r(sf->Amask, mm7); /* 0000F000 -> mm7 */ |
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380 punpcklbw_r2r(mm7, mm7); /* FF000000 -> mm7 */ |
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381 pcmpeqb_r2r(mm0, mm0); /* FFFFFFFF -> mm0 */ |
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382 movq_r2r(mm0, mm3); /* FFFFFFFF -> mm3 (for later) */ |
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383 pxor_r2r(mm0, mm7); /* 00FFFFFF -> mm7 (mult mask) */ |
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384 /* form channel masks */ |
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385 movq_r2r(mm7, mm0); /* 00FFFFFF -> mm0 */ |
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386 packsswb_r2r(mm6, mm0); /* 00000FFF -> mm0 (channel mask) */ |
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387 packsswb_r2r(mm6, mm3); /* 0000FFFF -> mm3 */ |
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388 pxor_r2r(mm0, mm3); /* 0000F000 -> mm3 (~channel mask) */ |
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389 /* get alpha channel shift */ |
| 2120 | 390 /* *INDENT-OFF* */ |
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391 __asm__ __volatile__ ( |
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392 "movd %0, %%mm5" |
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393 : : "rm" ((Uint32) sf->Ashift) ); /* Ashift -> mm5 */ |
| 2120 | 394 /* *INDENT-ON* */ |
| 1542 | 395 |
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396 while (height--) { |
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397 /* *INDENT-OFF* */ |
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398 DUFFS_LOOP4({ |
| 1542 | 399 Uint32 alpha = *srcp & amask; |
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400 /* FIXME: Here we special-case opaque alpha since the |
| 1542 | 401 compositioning used (>>8 instead of /255) doesn't handle |
| 402 it correctly. Also special-case alpha=0 for speed? | |
| 403 Benchmark this! */ | |
| 404 if(alpha == 0) { | |
| 405 /* do nothing */ | |
| 406 } else if(alpha == amask) { | |
| 407 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 408 /* using MMX here to free up regular registers for other things */ | |
| 409 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 410 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 411 pand_r2r(mm0, mm1); /* src & chanmask -> mm1 */ | |
| 412 pand_r2r(mm3, mm2); /* dst & ~chanmask -> mm2 */ | |
| 413 por_r2r(mm1, mm2); /* src | dst -> mm2 */ | |
| 414 movd_r2m(mm2, (*dstp)); /* mm2 -> dst */ | |
| 415 } else { | |
| 416 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 417 punpcklbw_r2r(mm6, mm1); /* 0A0R0G0B -> mm1 */ | |
| 418 | |
| 419 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 420 punpcklbw_r2r(mm6, mm2); /* 0A0R0G0B -> mm2 */ | |
| 421 | |
| 422 __asm__ __volatile__ ( | |
| 423 "movd %0, %%mm4" | |
| 424 : : "r" (alpha) ); /* 0000A000 -> mm4 */ | |
| 425 psrld_r2r(mm5, mm4); /* mm4 >> mm5 -> mm4 (0000000A) */ | |
| 426 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ | |
| 427 punpcklwd_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ | |
| 428 pand_r2r(mm7, mm4); /* 000A0A0A -> mm4, preserve dst alpha on add */ | |
| 429 | |
| 430 /* blend */ | |
| 431 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ | |
| 432 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 433 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1(000R0G0B) */ | |
| 434 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ | |
| 435 | |
| 436 packuswb_r2r(mm6, mm2); /* 0000ARGB -> mm2 */ | |
| 437 movd_r2m(mm2, *dstp);/* mm2 -> dst */ | |
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438 } |
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439 ++srcp; |
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440 ++dstp; |
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441 }, width); |
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442 /* *INDENT-ON* */ |
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443 srcp += srcskip; |
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444 dstp += dstskip; |
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445 } |
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446 emms(); |
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447 } |
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448 |
| 1542 | 449 /* End GCC_ASMBLIT */ |
| 450 | |
| 451 #elif MSVC_ASMBLIT | |
| 452 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ | |
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453 static void |
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454 BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo * info) |
| 1542 | 455 { |
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456 int width = info->d_width; |
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457 int height = info->d_height; |
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458 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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459 int srcskip = info->s_skip >> 2; |
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460 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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461 int dstskip = info->d_skip >> 2; |
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462 Uint32 dalpha = info->dst->Amask; |
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463 |
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464 __m64 src1, src2, dst1, dst2, lmask, hmask, dsta; |
| 1542 | 465 |
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466 hmask = _mm_set_pi32(0x00fefefe, 0x00fefefe); /* alpha128 mask -> hmask */ |
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467 lmask = _mm_set_pi32(0x00010101, 0x00010101); /* !alpha128 mask -> lmask */ |
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468 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
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469 |
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470 while (height--) { |
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471 int n = width; |
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472 if (n & 1) { |
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473 Uint32 s = *srcp++; |
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474 Uint32 d = *dstp; |
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475 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
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476 + (s & d & 0x00010101)) | dalpha; |
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477 n--; |
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478 } |
| 1542 | 479 |
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480 for (n >>= 1; n > 0; --n) { |
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481 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
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482 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
| 1542 | 483 |
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484 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
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485 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
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486 |
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487 dst2 = _mm_and_si64(dst2, hmask); /* dst & mask -> dst2 */ |
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488 src2 = _mm_and_si64(src2, hmask); /* src & mask -> src2 */ |
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489 src2 = _mm_add_pi32(src2, dst2); /* dst2 + src2 -> src2 */ |
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490 src2 = _mm_srli_pi32(src2, 1); /* src2 >> 1 -> src2 */ |
| 1542 | 491 |
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492 dst1 = _mm_and_si64(dst1, src1); /* src & dst -> dst1 */ |
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493 dst1 = _mm_and_si64(dst1, lmask); /* dst1 & !mask -> dst1 */ |
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494 dst1 = _mm_add_pi32(dst1, src2); /* src2 + dst1 -> dst1 */ |
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495 dst1 = _mm_or_si64(dst1, dsta); /* dsta(full alpha) | dst1 -> dst1 */ |
| 1542 | 496 |
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497 *(__m64 *) dstp = dst1; /* dst1 -> 2 x dst pixels */ |
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498 dstp += 2; |
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499 srcp += 2; |
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500 } |
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501 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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502 srcp += srcskip; |
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503 dstp += dstskip; |
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504 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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505 _mm_empty(); |
| 1542 | 506 } |
| 507 | |
| 508 /* fast RGB888->(A)RGB888 blending with surface alpha */ | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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509 static void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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510 BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 511 { |
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512 SDL_PixelFormat *df = info->dst; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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513 Uint32 chanmask = df->Rmask | df->Gmask | df->Bmask; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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514 unsigned alpha = info->src->alpha; |
| 1542 | 515 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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516 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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517 /* only call a128 version when R,G,B occupy lower bits */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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518 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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519 } else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
520 int width = info->d_width; |
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521 int height = info->d_height; |
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522 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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523 int srcskip = info->s_skip >> 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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524 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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525 int dstskip = info->d_skip >> 2; |
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526 Uint32 dalpha = df->Amask; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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527 Uint32 amult; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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528 |
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529 __m64 src1, src2, dst1, dst2, mm_alpha, mm_zero, dsta; |
| 1542 | 530 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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531 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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532 /* form the alpha mult */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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533 amult = alpha | (alpha << 8); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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534 amult = amult | (amult << 16); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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535 chanmask = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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536 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df-> |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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537 Bshift); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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538 mm_alpha = _mm_set_pi32(0, amult & chanmask); /* 0000AAAA -> mm_alpha, minus 1 chan */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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539 mm_alpha = _mm_unpacklo_pi8(mm_alpha, mm_zero); /* 0A0A0A0A -> mm_alpha, minus 1 chan */ |
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540 /* at this point mm_alpha can be 000A0A0A or 0A0A0A00 or another combo */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
541 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
| 1542 | 542 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
543 while (height--) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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544 int n = width; |
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545 if (n & 1) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
546 /* One Pixel Blend */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
547 src2 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src2 (0000ARGB) */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
548 src2 = _mm_unpacklo_pi8(src2, mm_zero); /* 0A0R0G0B -> src2 */ |
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549 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
550 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB) */ |
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551 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ |
| 1542 | 552 |
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553 src2 = _mm_sub_pi16(src2, dst1); /* src2 - dst2 -> src2 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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554 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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555 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
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556 dst1 = _mm_add_pi8(src2, dst1); /* src2 + dst1 -> dst1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
557 |
|
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558 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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559 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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560 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ |
| 1542 | 561 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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562 ++srcp; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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563 ++dstp; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
564 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
565 n--; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
566 } |
| 1542 | 567 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
568 for (n >>= 1; n > 0; --n) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
569 /* Two Pixels Blend */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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570 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
571 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
572 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* low - 0A0R0G0B -> src1 */ |
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|
573 src2 = _mm_unpackhi_pi8(src2, mm_zero); /* high - 0A0R0G0B -> src2 */ |
| 1542 | 574 |
|
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|
575 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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576 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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577 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* low - 0A0R0G0B -> dst1 */ |
|
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578 dst2 = _mm_unpackhi_pi8(dst2, mm_zero); /* high - 0A0R0G0B -> dst2 */ |
| 1542 | 579 |
|
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580 src1 = _mm_sub_pi16(src1, dst1); /* src1 - dst1 -> src1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
581 src1 = _mm_mullo_pi16(src1, mm_alpha); /* src1 * alpha -> src1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
582 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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583 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst1) -> dst1 */ |
| 1542 | 584 |
|
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585 src2 = _mm_sub_pi16(src2, dst2); /* src2 - dst2 -> src2 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
586 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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587 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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588 dst2 = _mm_add_pi8(src2, dst2); /* src2 + dst2(dst2) -> dst2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
589 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
590 dst1 = _mm_packs_pu16(dst1, dst2); /* 0A0R0G0B(res1), 0A0R0G0B(res2) -> dst1(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
591 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
| 1542 | 592 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
593 *(__m64 *) dstp = dst1; /* dst1 -> 2 x pixel */ |
| 1542 | 594 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
595 srcp += 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
596 dstp += 2; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
597 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
598 srcp += srcskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
599 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
600 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
601 _mm_empty(); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
602 } |
| 1542 | 603 } |
| 604 | |
| 605 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ | |
|
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|
606 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
607 BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 608 { |
|
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|
609 int width = info->d_width; |
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610 int height = info->d_height; |
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611 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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612 int srcskip = info->s_skip >> 2; |
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613 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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614 int dstskip = info->d_skip >> 2; |
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615 SDL_PixelFormat *sf = info->src; |
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616 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
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617 Uint32 amask = sf->Amask; |
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618 Uint32 ashift = sf->Ashift; |
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619 Uint64 multmask; |
| 1542 | 620 |
|
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621 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
| 1542 | 622 |
|
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623 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
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624 /* *INDENT-OFF* */ |
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625 multmask = ~(0xFFFFI64 << (ashift * 2)); |
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626 /* *INDENT-ON* */ |
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627 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
| 1542 | 628 |
|
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|
629 while (height--) { |
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|
630 /* *INDENT-OFF* */ |
| 1542 | 631 DUFFS_LOOP4({ |
| 632 Uint32 alpha = *srcp & amask; | |
| 633 if (alpha == 0) { | |
| 634 /* do nothing */ | |
| 635 } else if (alpha == amask) { | |
| 636 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 637 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 638 } else { | |
| 639 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 640 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 641 | |
| 642 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 643 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 644 | |
| 645 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 646 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 647 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 648 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 649 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 650 | |
| 651 /* blend */ | |
| 652 src1 = _mm_sub_pi16(src1, dst1);/* src1 - dst1 -> src1 */ | |
| 653 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src1 - dst1) * alpha -> src1 */ | |
| 654 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 655 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1 -> dst1(0A0R0G0B) */ | |
| 656 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 657 | |
| 658 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 659 } | |
| 660 ++srcp; | |
| 661 ++dstp; | |
| 662 }, width); | |
|
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663 /* *INDENT-ON* */ |
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664 srcp += srcskip; |
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665 dstp += dstskip; |
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666 } |
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667 _mm_empty(); |
| 1542 | 668 } |
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669 |
| 1542 | 670 /* End MSVC_ASMBLIT */ |
| 671 | |
| 672 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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673 |
|
1361
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New configure-based build system. Still work in progress, but much improved
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674 #if SDL_ALTIVEC_BLITTERS |
| 1795 | 675 #if __MWERKS__ |
| 676 #pragma altivec_model on | |
| 677 #endif | |
|
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678 #if HAVE_ALTIVEC_H |
|
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679 #include <altivec.h> |
|
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Fixed Altivec support on Mac OS X.
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680 #endif |
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681 #include <assert.h> |
|
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682 |
|
1402
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Use consistent identifiers for the various platforms we support.
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683 #if (defined(__MACOSX__) && (__GNUC__ < 4)) |
|
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684 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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685 (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p ) |
|
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686 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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changeset
|
687 (vector unsigned short) ( a,b,c,d,e,f,g,h ) |
|
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688 #else |
|
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689 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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690 (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p } |
|
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691 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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692 (vector unsigned short) { a,b,c,d,e,f,g,h } |
|
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693 #endif |
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|
694 |
|
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|
695 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F) |
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|
696 #define VECPRINT(msg, v) do { \ |
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|
697 vector unsigned int tmpvec = (vector unsigned int)(v); \ |
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698 unsigned int *vp = (unsigned int *)&tmpvec; \ |
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699 printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \ |
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|
700 } while (0) |
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|
701 |
|
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changeset
|
702 /* the permuation vector that takes the high bytes out of all the appropriate shorts |
|
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|
703 (vector unsigned char)( |
|
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Altivec-optimized blitters!
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|
704 0x00, 0x10, 0x02, 0x12, |
|
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|
705 0x04, 0x14, 0x06, 0x16, |
|
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Altivec-optimized blitters!
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|
706 0x08, 0x18, 0x0A, 0x1A, |
|
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Altivec-optimized blitters!
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|
707 0x0C, 0x1C, 0x0E, 0x1E ); |
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|
708 */ |
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diff
changeset
|
709 #define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F))) |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
710 #define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12))) |
|
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diff
changeset
|
711 #define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24())) |
|
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
712 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
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changeset
|
713 ? vec_lvsl(0, src) \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
714 : vec_add(vec_lvsl(8, src), vec_splat_u8(8))) |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
715 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
716 |
|
1047
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
717 #define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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718 /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
719 vector unsigned short vtemp1 = vec_mule(vs, valpha); \ |
|
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parents:
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diff
changeset
|
720 /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
721 vector unsigned short vtemp2 = vec_mulo(vs, valpha); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
722 /* valpha2 is 255-alpha */ \ |
|
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Altivec-optimized blitters!
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diff
changeset
|
723 vector unsigned char valpha2 = vec_nor(valpha, valpha); \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
724 /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
725 vector unsigned short vtemp3 = vec_mule(vd, valpha2); \ |
|
ffaaf7ecf685
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diff
changeset
|
726 /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
727 vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
728 /* add source and dest */ \ |
|
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Altivec-optimized blitters!
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diff
changeset
|
729 vtemp1 = vec_add(vtemp1, vtemp3); \ |
|
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diff
changeset
|
730 vtemp2 = vec_add(vtemp2, vtemp4); \ |
|
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diff
changeset
|
731 /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \ |
|
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changeset
|
732 vtemp1 = vec_add(vtemp1, v1_16); \ |
|
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diff
changeset
|
733 vtemp3 = vec_sr(vtemp1, v8_16); \ |
|
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diff
changeset
|
734 vtemp1 = vec_add(vtemp1, vtemp3); \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
735 /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \ |
|
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Altivec-optimized blitters!
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diff
changeset
|
736 vtemp2 = vec_add(vtemp2, v1_16); \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
737 vtemp4 = vec_sr(vtemp2, v8_16); \ |
|
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changeset
|
738 vtemp2 = vec_add(vtemp2, vtemp4); \ |
|
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diff
changeset
|
739 /* (>>8) and get ARGBARGBARGBARGB */ \ |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
740 vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
741 } while (0) |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
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|
742 |
|
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ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
743 /* Calculate the permute vector used for 32->32 swizzling */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
744 static vector unsigned char |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
745 calc_swizzle32(const SDL_PixelFormat * srcfmt, const SDL_PixelFormat * dstfmt) |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
746 { |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
747 /* |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
748 * 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
|
749 * 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
|
750 * 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
|
751 */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
752 /* ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
753 const static struct SDL_PixelFormat default_pixel_format = { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
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|
754 NULL, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
755 0, 0, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
756 16, 8, 0, 24, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
757 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
758 0, 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
759 }; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
760 if (!srcfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
761 srcfmt = &default_pixel_format; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
762 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
763 if (!dstfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
764 dstfmt = &default_pixel_format; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
765 } |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
766 const vector unsigned char plus = VECUINT8_LITERAL(0x00, 0x00, 0x00, 0x00, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
767 0x04, 0x04, 0x04, 0x04, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
768 0x08, 0x08, 0x08, 0x08, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
769 0x0C, 0x0C, 0x0C, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
770 0x0C); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
771 vector unsigned char vswiz; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
772 vector unsigned int srcvec; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
773 #define RESHIFT(X) (3 - ((X) >> 3)) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
774 Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
775 Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
776 Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
777 Uint32 amask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
778 /* 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
|
779 if (dstfmt->Amask) { |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
780 amask = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
781 ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt-> |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
782 Ashift); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
783 } else { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
784 amask = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
785 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
786 0xFFFFFFFF); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
787 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
788 #undef RESHIFT |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
789 ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
790 vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
791 return (vswiz); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
792 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
793 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
794 static void |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
795 Blit32to565PixelAlphaAltivec(SDL_BlitInfo * info) |
|
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
796 { |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
797 int height = info->d_height; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
798 Uint8 *src = (Uint8 *) info->s_pixels; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
799 int srcskip = info->s_skip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
800 Uint8 *dst = (Uint8 *) info->d_pixels; |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
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|
801 int dstskip = info->d_skip; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
802 SDL_PixelFormat *srcfmt = info->src; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
803 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
804 vector unsigned char v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
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diff
changeset
|
805 vector unsigned short v8_16 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
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parents:
880
diff
changeset
|
806 vector unsigned short v1_16 = vec_splat_u16(1); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
807 vector unsigned short v2_16 = vec_splat_u16(2); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
808 vector unsigned short v3_16 = vec_splat_u16(3); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
809 vector unsigned int v8_32 = vec_splat_u32(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
810 vector unsigned int v16_32 = vec_add(v8_32, v8_32); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
811 vector unsigned short v3f = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
812 VECUINT16_LITERAL(0x003f, 0x003f, 0x003f, 0x003f, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
813 0x003f, 0x003f, 0x003f, 0x003f); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
814 vector unsigned short vfc = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
815 VECUINT16_LITERAL(0x00fc, 0x00fc, 0x00fc, 0x00fc, |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
816 0x00fc, 0x00fc, 0x00fc, 0x00fc); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
817 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
818 /* |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
819 0x10 - 0x1f is the alpha |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
820 0x00 - 0x0e evens are the red |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
821 0x01 - 0x0f odds are zero |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
822 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
823 vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01, |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
824 0x10, 0x02, 0x01, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
825 0x10, 0x04, 0x01, 0x01, |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
826 0x10, 0x06, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
827 0x01); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
828 vector unsigned char vredalpha2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
829 (vector unsigned char) (vec_add((vector unsigned int) vredalpha1, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
830 vec_sl(v8_32, v16_32)) |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
831 ); |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
832 /* |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
833 0x00 - 0x0f is ARxx ARxx ARxx ARxx |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
834 0x11 - 0x0f odds are blue |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
835 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
836 vector unsigned char vblue1 = VECUINT8_LITERAL(0x00, 0x01, 0x02, 0x11, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
837 0x04, 0x05, 0x06, 0x13, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
838 0x08, 0x09, 0x0a, 0x15, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
839 0x0c, 0x0d, 0x0e, 0x17); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
840 vector unsigned char vblue2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
841 (vector unsigned char) (vec_add((vector unsigned int) vblue1, v8_32) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
842 ); |
|
1047
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
843 /* |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
844 0x00 - 0x0f is ARxB ARxB ARxB ARxB |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
845 0x10 - 0x0e evens are green |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
846 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
847 vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
848 0x04, 0x05, 0x12, 0x07, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
849 0x08, 0x09, 0x14, 0x0b, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
850 0x0c, 0x0d, 0x16, 0x0f); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
851 vector unsigned char vgreen2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
852 (vector unsigned |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
853 char) (vec_add((vector unsigned int) vgreen1, vec_sl(v8_32, v8_32)) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
854 ); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
855 vector unsigned char vgmerge = VECUINT8_LITERAL(0x00, 0x02, 0x00, 0x06, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
856 0x00, 0x0a, 0x00, 0x0e, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
857 0x00, 0x12, 0x00, 0x16, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
858 0x00, 0x1a, 0x00, 0x1e); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
859 vector unsigned char mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
860 vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
861 vector unsigned char valphaPermute = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
862 vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
863 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
864 vector unsigned short vf800 = (vector unsigned short) vec_splat_u8(-7); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
865 vf800 = vec_sl(vf800, vec_splat_u16(8)); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
866 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
867 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
868 int extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
869 vector unsigned char valigner; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
870 vector unsigned char vsrc; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
871 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
872 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
873 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
874 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
875 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
|
876 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
877 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
|
878 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
|
879 if(sA) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
880 unsigned short dstpixel = *((unsigned short *)dst); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
881 dR = (dstpixel >> 8) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
882 dG = (dstpixel >> 3) & 0xfc; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
883 dB = (dstpixel << 3) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
884 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
885 *((unsigned short *)dst) = ( \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
886 ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
887 ); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
888 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
889 src += 4; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
890 dst += 2; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
891 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
892 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
893 ONE_PIXEL_BLEND((UNALIGNED_PTR(dst)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
894 extrawidth = (width % 8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
895 valigner = VEC_ALIGNER(src); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
896 vsrc = (vector unsigned char) vec_ld(0, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
897 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
898 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
899 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
900 vector unsigned char vsrc1, vsrc2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
901 vector unsigned char vdst1, vdst2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
902 vector unsigned short vR, vG, vB; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
903 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
904 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
905 /* Load 8 pixels from src as ARGB */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
906 voverflow = (vector unsigned char) vec_ld(15, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
907 vsrc = vec_perm(vsrc, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
908 vsrc1 = vec_perm(vsrc, vsrc, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
909 src += 16; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
910 vsrc = (vector unsigned char) vec_ld(15, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
911 voverflow = vec_perm(voverflow, vsrc, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
912 vsrc2 = vec_perm(voverflow, voverflow, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
913 src += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
914 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
915 /* Load 8 pixels from dst as XRGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
916 voverflow = vec_ld(0, dst); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
917 vR = vec_and((vector unsigned short) voverflow, vf800); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
918 vB = vec_sl((vector unsigned short) voverflow, v3_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
919 vG = vec_sl(vB, v2_16); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
920 vdst1 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
921 (vector unsigned char) vec_perm((vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
922 (vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
923 vredalpha1); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
924 vdst1 = vec_perm(vdst1, (vector unsigned char) vB, vblue1); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
925 vdst1 = vec_perm(vdst1, (vector unsigned char) vG, vgreen1); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
926 vdst2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
927 (vector unsigned char) vec_perm((vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
928 (vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
929 vredalpha2); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
930 vdst2 = vec_perm(vdst2, (vector unsigned char) vB, vblue2); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
931 vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
932 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
933 /* Alpha blend 8 pixels as ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
934 valpha = vec_perm(vsrc1, v0, valphaPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
935 VEC_MULTIPLY_ALPHA(vsrc1, vdst1, valpha, mergePermute, v1_16, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
936 v8_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
937 valpha = vec_perm(vsrc2, v0, valphaPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
938 VEC_MULTIPLY_ALPHA(vsrc2, vdst2, valpha, mergePermute, v1_16, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
939 v8_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
940 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
941 /* Convert 8 pixels to 565 */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
942 vpixel = (vector unsigned short) vec_packpx((vector unsigned int) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
943 vdst1, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
944 (vector unsigned int) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
945 vdst2); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
946 vgpixel = (vector unsigned short) vec_perm(vdst1, vdst2, vgmerge); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
947 vgpixel = vec_and(vgpixel, vfc); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
948 vgpixel = vec_sl(vgpixel, v3_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
949 vrpixel = vec_sl(vpixel, v1_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
950 vrpixel = vec_and(vrpixel, vf800); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
951 vbpixel = vec_and(vpixel, v3f); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
952 vdst1 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
953 vec_or((vector unsigned char) vrpixel, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
954 (vector unsigned char) vgpixel); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
955 vdst1 = vec_or(vdst1, (vector unsigned char) vbpixel); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
956 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
957 /* Store 8 pixels */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
958 vec_st(vdst1, 0, dst); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
959 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
960 width -= 8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
961 dst += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
962 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
963 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
964 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
965 src += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
966 dst += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
967 } |
|
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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 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
970 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
971 Blit32to32SurfaceAlphaKeyAltivec(SDL_BlitInfo * info) |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
972 { |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
973 unsigned alpha = info->src->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
974 int height = info->d_height; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
975 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
976 int srcskip = info->s_skip >> 2; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
977 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
978 int dstskip = info->d_skip >> 2; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
979 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
980 SDL_PixelFormat *dstfmt = info->dst; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
981 unsigned sA = srcfmt->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
982 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
983 Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
984 Uint32 ckey = info->src->colorkey; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
985 vector unsigned char mergePermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
986 vector unsigned char vsrcPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
987 vector unsigned char vdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
988 vector unsigned char vsdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
989 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
990 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
991 vector unsigned char vbits; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
992 vector unsigned char v0; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
993 vector unsigned short v1; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
994 vector unsigned short v8; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
995 vector unsigned int vckey; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
996 vector unsigned int vrgbmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
997 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
998 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
999 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1000 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1001 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1002 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1003 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1004 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1005 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1006 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1007 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1008 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
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880
diff
changeset
|
1009 |
|
ffaaf7ecf685
Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1010 /* set a vector full of alpha and 255-alpha */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
1011 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1012 valpha = vec_splat(valpha, 0); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1013 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
1047
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Altivec-optimized blitters!
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diff
changeset
|
1014 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1015 ckey &= rgbmask; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
1016 ((unsigned int *) (char *) &vckey)[0] = ckey; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1017 vckey = vec_splat(vckey, 0); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
1018 ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1019 vrgbmask = vec_splat(vrgbmask, 0); |
|
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Altivec-optimized blitters!
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diff
changeset
|
1020 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
1021 while (height--) { |
|
1047
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1022 int width = info->d_width; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1023 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1024 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
|
1025 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1026 unsigned sR, sG, sB, dR, dG, dB; \ |
|
1162
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Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1027 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
|
1028 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
|
1029 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:
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diff
changeset
|
1030 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1031 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1032 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1033 } \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1034 dstp++; \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1035 srcp++; \ |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1036 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1037 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1038 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1039 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1040 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1041 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1042 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1043 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1044 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1045 vector unsigned char vsel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1046 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1047 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1048 vector unsigned char vd_orig; |
|
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 /* s = *srcp */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
1051 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1052 vs = vec_perm(vs, voverflow, valigner); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
1053 |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1054 /* vsel is set for items that match the key */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1055 vsel = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1056 (vector unsigned char) vec_and((vector unsigned int) vs, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1057 vrgbmask); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1058 vsel = (vector unsigned char) vec_cmpeq((vector unsigned int) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1059 vsel, vckey); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1060 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1061 /* permute to source format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1062 vs = vec_perm(vs, valpha, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1063 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1064 /* d = *dstp */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1065 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1066 vd_orig = vd = vec_perm(vd, v0, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1067 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1068 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1069 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1070 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1071 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1072 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1073 /* mask out color key */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1074 vd = vec_sel(vd, vd_orig, vsel); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1075 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1076 /* permute to dest format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1077 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1078 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1079 /* *dstp = res */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1080 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1081 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1082 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1083 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1084 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1085 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1086 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1087 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1088 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1089 #undef ONE_PIXEL_BLEND |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1090 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1091 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1092 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1093 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1094 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1095 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1096 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1097 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1098 Blit32to32PixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1099 { |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1100 int width = info->d_width; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1101 int height = info->d_height; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1102 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1103 int srcskip = info->s_skip >> 2; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1104 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1105 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1106 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1107 SDL_PixelFormat *dstfmt = info->dst; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1108 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1109 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1110 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1111 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1112 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1113 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1114 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1115 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1116 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1117 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1118 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1119 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1120 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1121 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1122 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1123 valphamask = VEC_ALPHA_MASK(); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1124 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1125 vpixelmask = vec_nor(valphamask, v0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1126 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1127 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1128 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1129 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1130 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1131 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1132 #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
|
1133 Uint32 Pixel; \ |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1134 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
|
1135 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
|
1136 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
|
1137 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
|
1138 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1139 ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1140 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1141 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1142 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1143 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1144 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1145 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1146 if (width > 0) { |
|
1487
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1147 /* vsrcPermute */ |
|
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1148 /* vdstPermute */ |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1149 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1150 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1151 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1152 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1153 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1154 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1155 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1156 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1157 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1158 /* s = *srcp */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1159 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1160 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1161 vs = vec_perm(vs, v0, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1162 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1163 valpha = vec_perm(vs, v0, valphaPermute); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1164 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1165 /* d = *dstp */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1166 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1167 vd = vec_perm(vd, v0, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1168 vdstalpha = vec_and(vd, valphamask); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1169 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1170 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1171 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1172 /* set the alpha to the dest alpha */ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1173 vd = vec_and(vd, vpixelmask); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1174 vd = vec_or(vd, vdstalpha); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1175 vd = vec_perm(vd, v0, vdstPermute); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1176 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1177 /* *dstp = res */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1178 vec_st((vector unsigned int) vd, 0, dstp); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1179 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1180 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1181 dstp += 4; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1182 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1183 vs = voverflow; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1184 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1185 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1186 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1187 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1188 srcp += srcskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1189 dstp += dstskip; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1190 #undef ONE_PIXEL_BLEND |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1191 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1192 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1193 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1194 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1195 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1196 BlitRGBtoRGBPixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1197 { |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1198 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1199 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1200 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1201 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1202 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1203 int dstskip = info->d_skip >> 2; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1204 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1205 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1206 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1207 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1208 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1209 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1210 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1211 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1212 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1213 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1214 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1215 valphamask = VEC_ALPHA_MASK(); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1216 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1217 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1218 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1219 vpixelmask = vec_nor(valphamask, v0); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1220 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1221 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1222 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1223 while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1224 Uint32 dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1225 Uint32 d; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1226 Uint32 s1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1227 Uint32 d1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1228 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1229 Uint32 alpha = s >> 24; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1230 if(alpha) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1231 if(alpha == SDL_ALPHA_OPAQUE) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1232 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1233 } else { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1234 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1235 dalpha = d & 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1236 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1237 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1238 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1239 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1240 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1241 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1242 *dstp = d1 | d | dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1243 } \ |
|
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 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1246 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1247 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1248 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1249 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1250 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1251 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1252 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1253 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1254 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1255 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1256 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1257 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1258 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1259 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1260 /* s = *srcp */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1261 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1262 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1263 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1264 valpha = vec_perm(vs, v0, valphaPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1265 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1266 /* d = *dstp */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1267 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1268 vdstalpha = vec_and(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1269 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1270 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1271 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1272 /* set the alpha to the dest alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1273 vd = vec_and(vd, vpixelmask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1274 vd = vec_or(vd, vdstalpha); |
|
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 /* *dstp = res */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1277 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1278 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1279 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1280 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1281 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1282 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1283 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1284 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1285 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1286 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1287 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1288 } |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1289 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1290 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1291 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1292 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1293 Blit32to32SurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1294 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1295 /* XXX : 6 */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1296 unsigned alpha = info->src->alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1297 int height = info->d_height; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1298 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1299 int srcskip = info->s_skip >> 2; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1300 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1301 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1302 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1303 SDL_PixelFormat *dstfmt = info->dst; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1304 unsigned sA = srcfmt->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1305 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1306 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1307 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1308 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1309 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1310 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1311 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1312 vector unsigned char vbits; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1313 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1314 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1315 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1316 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1317 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1318 v8 = vec_splat_u16(8); |
|
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 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1321 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1322 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1323 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1324 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1325 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1326 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1327 /* set a vector full of alpha and 255-alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1328 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1329 valpha = vec_splat(valpha, 0); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1330 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1331 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1332 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1333 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1334 #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
|
1335 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1336 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
|
1337 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
|
1338 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
|
1339 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1340 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1341 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1342 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1343 widthvar--; \ |
|
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 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1346 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1347 int extrawidth = (width % 4); |
|
2086
fffea8d6bf92
Merged r2954:2955 from branches/SDL-1.2: Altivec alpha blitter alignment fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2074
diff
changeset
|
1348 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1349 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1350 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1351 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1352 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1353 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1354 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1355 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1356 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1357 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1358 vs = vec_perm(vs, valpha, vsrcPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1359 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1360 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1361 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1362 vd = vec_perm(vd, vd, vsdstPermute); |
|
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 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1365 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1366 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1367 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1368 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1369 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1370 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1371 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1372 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1373 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1374 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1375 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1376 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1377 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1378 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1379 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1380 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1381 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1382 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1383 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1384 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1385 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1386 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1387 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1388 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1389 /* fast RGB888->(A)RGB888 blending */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1390 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1391 BlitRGBtoRGBSurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1392 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1393 unsigned alpha = info->src->alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1394 int height = info->d_height; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1395 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1396 int srcskip = info->s_skip >> 2; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1397 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1398 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1399 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1400 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1401 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1402 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1403 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1404 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1405 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1406 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1407 v8 = vec_splat_u16(8); |
|
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 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1410 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1411 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1412 /* set a vector full of alpha and 255-alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1413 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1414 valpha = vec_splat(valpha, 0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1415 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1416 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1417 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1418 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1419 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1420 Uint32 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1421 Uint32 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1422 Uint32 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1423 d1 = (d1 + ((s1 - d1) * alpha >> 8)) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1424 & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1425 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1426 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1427 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1428 *dstp = d1 | d | 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1429 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1430 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1431 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1432 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1433 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1434 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1435 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1436 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1437 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1438 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1439 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1440 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1441 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1442 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1443 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1444 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1445 vs = vec_perm(vs, voverflow, valigner); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1446 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1447 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1448 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1449 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1450 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1451 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1452 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1453 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1454 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1455 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1456 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1457 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1458 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1459 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1460 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1461 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1462 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1463 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1464 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1465 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1466 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1467 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1468 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1469 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1470 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1471 |
| 1795 | 1472 #if __MWERKS__ |
| 1473 #pragma altivec_model off | |
| 1474 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1475 #endif /* SDL_ALTIVEC_BLITTERS */ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1476 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1477 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1478 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1479 BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo * info) |
| 0 | 1480 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1481 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1482 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1483 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1484 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1485 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1486 int dstskip = info->d_skip >> 2; |
| 0 | 1487 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1488 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1489 /* *INDENT-OFF* */ |
| 0 | 1490 DUFFS_LOOP4({ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1491 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1492 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1493 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1494 + (s & d & 0x00010101)) | 0xff000000; |
| 0 | 1495 }, width); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1496 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1497 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1498 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1499 } |
| 0 | 1500 } |
| 1501 | |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1502 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1503 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1504 BlitRGBtoRGBSurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1505 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1506 unsigned alpha = info->src->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1507 if (alpha == 128) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1508 BlitRGBtoRGBSurfaceAlpha128(info); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1509 } else { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1510 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
1511 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1512 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
1513 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1514 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1515 int dstskip = info->d_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1516 Uint32 s; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1517 Uint32 d; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
diff
changeset
|
1518 Uint32 s1; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1519 Uint32 d1; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1520 |
|
1895
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changeset
|
1521 while (height--) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1522 /* *INDENT-OFF* */ |
|
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|
1523 DUFFS_LOOP_DOUBLE2({ |
|
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|
1524 /* One Pixel Blend */ |
|
1
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Changes since SDL 1.2.0 release
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parents:
0
diff
changeset
|
1525 s = *srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1526 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1527 s1 = s & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1528 d1 = d & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1529 d1 = (d1 + ((s1 - d1) * alpha >> 8)) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1530 & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1531 s &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1532 d &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1533 d = (d + ((s - d) * alpha >> 8)) & 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1534 *dstp = d1 | d | 0xff000000; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1535 ++srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1536 ++dstp; |
|
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|
1537 },{ |
|
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|
1538 /* Two Pixels Blend */ |
|
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|
1539 s = *srcp; |
|
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|
1540 d = *dstp; |
|
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|
1541 s1 = s & 0xff00ff; |
|
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|
1542 d1 = d & 0xff00ff; |
|
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|
1543 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1544 d1 &= 0xff00ff; |
|
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|
1545 |
|
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|
1546 s = ((s & 0xff00) >> 8) | |
|
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|
1547 ((srcp[1] & 0xff00) << 8); |
|
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|
1548 d = ((d & 0xff00) >> 8) | |
|
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|
1549 ((dstp[1] & 0xff00) << 8); |
|
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|
1550 d += (s - d) * alpha >> 8; |
|
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|
1551 d &= 0x00ff00ff; |
|
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|
1552 |
|
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|
1553 *dstp++ = d1 | ((d << 8) & 0xff00) | 0xff000000; |
|
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|
1554 ++srcp; |
|
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|
1555 |
|
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|
1556 s1 = *srcp; |
|
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|
1557 d1 = *dstp; |
|
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|
1558 s1 &= 0xff00ff; |
|
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|
1559 d1 &= 0xff00ff; |
|
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|
1560 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1561 d1 &= 0xff00ff; |
|
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|
1562 |
|
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|
1563 *dstp = d1 | ((d >> 8) & 0xff00) | 0xff000000; |
|
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|
1564 ++srcp; |
|
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|
1565 ++dstp; |
|
1
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1566 }, width); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1567 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1568 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1569 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1570 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1571 } |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1572 } |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1573 |
| 0 | 1574 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1575 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
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changeset
|
1576 BlitRGBtoRGBPixelAlpha(SDL_BlitInfo * info) |
| 0 | 1577 { |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1578 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
1579 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
1580 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
1581 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1582 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
1583 int dstskip = info->d_skip >> 2; |
| 0 | 1584 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1585 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
1586 /* *INDENT-OFF* */ |
| 0 | 1587 DUFFS_LOOP4({ |
| 1588 Uint32 dalpha; | |
| 1589 Uint32 d; | |
| 1590 Uint32 s1; | |
| 1591 Uint32 d1; | |
| 1592 Uint32 s = *srcp; | |
| 1593 Uint32 alpha = s >> 24; | |
| 1594 /* FIXME: Here we special-case opaque alpha since the | |
| 1595 compositioning used (>>8 instead of /255) doesn't handle | |
| 1596 it correctly. Also special-case alpha=0 for speed? | |
| 1597 Benchmark this! */ | |
|
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|
1598 if(alpha) { |
|
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|
1599 if(alpha == SDL_ALPHA_OPAQUE) { |
| 0 | 1600 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); |
|
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|
1601 } else { |
| 0 | 1602 /* |
| 1603 * take out the middle component (green), and process | |
| 1604 * the other two in parallel. One multiply less. | |
| 1605 */ | |
| 1606 d = *dstp; | |
| 1607 dalpha = d & 0xff000000; | |
| 1608 s1 = s & 0xff00ff; | |
| 1609 d1 = d & 0xff00ff; | |
| 1610 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; | |
| 1611 s &= 0xff00; | |
| 1612 d &= 0xff00; | |
| 1613 d = (d + ((s - d) * alpha >> 8)) & 0xff00; | |
| 1614 *dstp = d1 | d | dalpha; | |
|
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|
1615 } |
| 0 | 1616 } |
| 1617 ++srcp; | |
| 1618 ++dstp; | |
| 1619 }, width); | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1620 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1621 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1622 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1623 } |
| 0 | 1624 } |
| 1625 | |
| 1542 | 1626 #if GCC_ASMBLIT |
|
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|
1627 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ |
| 2038 | 1628 static void |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1629 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
|
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|
1630 { |
|
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|
1631 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1632 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1633 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1634 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1635 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1636 int dstskip = info->d_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1637 SDL_PixelFormat *sf = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1638 Uint32 amask = sf->Amask; |
|
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|
1639 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
1640 __asm__( |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
diff
changeset
|
1641 /* make mm6 all zeros. */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1642 "pxor %%mm6, %%mm6\n" |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
1643 /* Make a mask to preserve the alpha. */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1644 "movd %0, %%mm7\n\t" /* 0000F000 -> mm7 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
1645 "punpcklbw %%mm7, %%mm7\n\t" /* FF000000 -> mm7 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1646 "pcmpeqb %%mm4, %%mm4\n\t" /* FFFFFFFF -> mm4 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
1647 "movq %%mm4, %%mm3\n\t" /* FFFFFFFF -> mm3 (for later) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1648 "pxor %%mm4, %%mm7\n\t" /* 00FFFFFF -> mm7 (mult mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
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|
1649 /* form channel masks */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1650 "movq %%mm7, %%mm4\n\t" /* 00FFFFFF -> mm4 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1651 "packsswb %%mm6, %%mm4\n\t" /* 00000FFF -> mm4 (channel mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1652 "packsswb %%mm6, %%mm3\n\t" /* 0000FFFF -> mm3 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1653 "pxor %%mm4, %%mm3\n\t" /* 0000F000 -> mm3 (~channel mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1654 /* get alpha channel shift */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1655 "movd %1, %%mm5\n\t" /* Ashift -> mm5 */ |
|
2101
c4e0afbcf1f6
Merge r3005:3006 from branches/SDL-1.2: Alpha blending MMX/3DNow register bug.
Ryan C. Gordon <icculus@icculus.org>
parents:
2086
diff
changeset
|
1656 : /* nothing */ : "rm"(amask), "rm"((Uint32) sf->Ashift)); |
|
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|
1657 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1658 while (height--) { |
| 1542 | 1659 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1660 /* *INDENT-OFF* */ |
|
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|
1661 DUFFS_LOOP4({ |
| 1542 | 1662 Uint32 alpha; |
|
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|
1663 |
|
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|
1664 __asm__ ( |
|
5bb080d35049
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|
1665 "prefetch 64(%0)\n" |
|
5bb080d35049
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changeset
|
1666 "prefetch 64(%1)\n" |
|
5bb080d35049
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|
1667 : : "r" (srcp), "r" (dstp) ); |
|
5bb080d35049
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|
1668 |
| 1542 | 1669 alpha = *srcp & amask; |
|
689
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|
1670 /* FIXME: Here we special-case opaque alpha since the |
|
5bb080d35049
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297
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|
1671 compositioning used (>>8 instead of /255) doesn't handle |
|
5bb080d35049
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297
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|
1672 it correctly. Also special-case alpha=0 for speed? |
|
5bb080d35049
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diff
changeset
|
1673 Benchmark this! */ |
| 1542 | 1674 if(alpha == 0) { |
| 1675 /* do nothing */ | |
| 1676 } | |
| 1677 else if(alpha == amask) { | |
| 1678 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 1679 /* using MMX here to free up regular registers for other things */ | |
| 1680 __asm__ ( | |
| 1681 "movd (%0), %%mm0\n\t" /* src(ARGB) -> mm0 (0000ARGB)*/ | |
| 1682 "movd (%1), %%mm1\n\t" /* dst(ARGB) -> mm1 (0000ARGB)*/ | |
| 1683 "pand %%mm4, %%mm0\n\t" /* src & chanmask -> mm0 */ | |
| 1684 "pand %%mm3, %%mm1\n\t" /* dst & ~chanmask -> mm2 */ | |
| 1685 "por %%mm0, %%mm1\n\t" /* src | dst -> mm1 */ | |
| 1686 "movd %%mm1, (%1) \n\t" /* mm1 -> dst */ | |
| 1687 | |
| 1688 : : "r" (srcp), "r" (dstp) ); | |
|
689
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|
1689 } |
|
5bb080d35049
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|
1690 |
|
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|
1691 else { |
|
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|
1692 __asm__ ( |
|
5bb080d35049
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|
1693 /* load in the source, and dst. */ |
|
5bb080d35049
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|
1694 "movd (%0), %%mm0\n" /* mm0(s) = 0 0 0 0 | As Rs Gs Bs */ |
|
5bb080d35049
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|
1695 "movd (%1), %%mm1\n" /* mm1(d) = 0 0 0 0 | Ad Rd Gd Bd */ |
|
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|
1696 |
|
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|
1697 /* Move the src alpha into mm2 */ |
|
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|
1698 |
|
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|
1699 /* if supporting pshufw */ |
|
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|
1700 /*"pshufw $0x55, %%mm0, %%mm2\n" */ /* mm2 = 0 As 0 As | 0 As 0 As */ |
|
5bb080d35049
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|
1701 /*"psrlw $8, %%mm2\n" */ |
|
5bb080d35049
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|
1702 |
|
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changeset
|
1703 /* else: */ |
| 1542 | 1704 "movd %2, %%mm2\n" |
| 1705 "psrld %%mm5, %%mm2\n" /* mm2 = 0 0 0 0 | 0 0 0 As */ | |
|
689
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|
1706 "punpcklwd %%mm2, %%mm2\n" /* mm2 = 0 0 0 0 | 0 As 0 As */ |
|
5bb080d35049
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Sam Lantinga <slouken@libsdl.org>
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297
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changeset
|
1707 "punpckldq %%mm2, %%mm2\n" /* mm2 = 0 As 0 As | 0 As 0 As */ |
| 1542 | 1708 "pand %%mm7, %%mm2\n" /* to preserve dest alpha */ |
|
689
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|
1709 |
|
5bb080d35049
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|
1710 /* move the colors into words. */ |
|
5bb080d35049
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|
1711 "punpcklbw %%mm6, %%mm0\n" /* mm0 = 0 As 0 Rs | 0 Gs 0 Bs */ |
|
5bb080d35049
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297
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changeset
|
1712 "punpcklbw %%mm6, %%mm1\n" /* mm0 = 0 Ad 0 Rd | 0 Gd 0 Bd */ |
|
5bb080d35049
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|
1713 |
|
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|
1714 /* src - dst */ |
|
5bb080d35049
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297
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|
1715 "psubw %%mm1, %%mm0\n" /* mm0 = As-Ad Rs-Rd | Gs-Gd Bs-Bd */ |
|
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|
1716 |
|
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297
diff
changeset
|
1717 /* A * (src-dst) */ |
| 1542 | 1718 "pmullw %%mm2, %%mm0\n" /* mm0 = 0*As-d As*Rs-d | As*Gs-d As*Bs-d */ |
| 1719 "psrlw $8, %%mm0\n" /* mm0 = 0>>8 Rc>>8 | Gc>>8 Bc>>8 */ | |
| 1720 "paddb %%mm1, %%mm0\n" /* mm0 = 0+Ad Rc+Rd | Gc+Gd Bc+Bd */ | |
|
689
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297
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|
1721 |
|
5bb080d35049
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changeset
|
1722 "packuswb %%mm0, %%mm0\n" /* mm0 = | Ac Rc Gc Bc */ |
|
5bb080d35049
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|
1723 |
|
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|
1724 "movd %%mm0, (%1)\n" /* result in mm0 */ |
|
5bb080d35049
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297
diff
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|
1725 |
| 1542 | 1726 : : "r" (srcp), "r" (dstp), "r" (alpha) ); |
|
689
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|
1727 |
|
5bb080d35049
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|
1728 } |
|
5bb080d35049
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|
1729 ++srcp; |
|
5bb080d35049
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297
diff
changeset
|
1730 ++dstp; |
|
5bb080d35049
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297
diff
changeset
|
1731 }, width); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1732 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1733 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1734 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1735 } |
|
689
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|
1736 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1737 __asm__("emms\n":); |
|
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|
1738 } |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1739 |
| 1542 | 1740 /* End GCC_ASMBLIT*/ |
| 1741 | |
| 1742 #elif MSVC_ASMBLIT | |
| 1743 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1744 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
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|
1745 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
| 1542 | 1746 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1747 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
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|
1748 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1749 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1750 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1751 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1752 int dstskip = info->d_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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|
1753 SDL_PixelFormat *sf = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1754 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
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|
1755 Uint32 amask = sf->Amask; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
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changeset
|
1756 Uint32 ashift = sf->Ashift; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1757 Uint64 multmask; |
| 1542 | 1758 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1759 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
| 1542 | 1760 |
|
1895
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1795
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changeset
|
1761 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1762 /* *INDENT-OFF* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1763 multmask = ~(0xFFFFI64 << (ashift * 2)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1764 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1765 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1766 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1767 while (height--) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
1768 /* *INDENT-OFF* */ |
| 1542 | 1769 DUFFS_LOOP4({ |
| 1770 Uint32 alpha; | |
| 1771 | |
| 1772 _m_prefetch(srcp + 16); | |
| 1773 _m_prefetch(dstp + 16); | |
| 1774 | |
| 1775 alpha = *srcp & amask; | |
| 1776 if (alpha == 0) { | |
| 1777 /* do nothing */ | |
| 1778 } else if (alpha == amask) { | |
| 1779 /* copy RGB, keep dst alpha */ | |
| 1780 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 1781 } else { | |
| 1782 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 1783 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 1784 | |
| 1785 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 1786 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 1787 | |
| 1788 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 1789 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 1790 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 1791 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 1792 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 1793 | |
| 1794 /* blend */ | |
| 1795 src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */ | |
| 1796 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */ | |
| 1797 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 1798 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */ | |
| 1799 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 1800 | |
| 1801 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 1802 } | |
| 1803 ++srcp; | |
| 1804 ++dstp; | |
| 1805 }, width); | |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1806 /* *INDENT-ON* */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1807 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1808 dstp += dstskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1809 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1810 _mm_empty(); |
| 1542 | 1811 } |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1812 |
| 1542 | 1813 /* End MSVC_ASMBLIT */ |
| 1814 | |
| 1815 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
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|
1816 |
|
1
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Changes since SDL 1.2.0 release
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0
diff
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|
1817 /* 16bpp special case for per-surface alpha=50%: blend 2 pixels in parallel */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1818 |
|
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Changes since SDL 1.2.0 release
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|
1819 /* blend a single 16 bit pixel at 50% */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
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|
1820 #define BLEND16_50(d, s, mask) \ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1821 ((((s & mask) + (d & mask)) >> 1) + (s & d & (~mask & 0xffff))) |
|
cf2af46e9e2a
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Sam Lantinga <slouken@lokigames.com>
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|
1822 |
|
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Changes since SDL 1.2.0 release
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|
1823 /* blend two 16 bit pixels at 50% */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
changeset
|
1824 #define BLEND2x16_50(d, s, mask) \ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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0
diff
changeset
|
1825 (((s & (mask | mask << 16)) >> 1) + ((d & (mask | mask << 16)) >> 1) \ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1826 + (s & d & (~(mask | mask << 16)))) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1827 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1828 static void |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1829 Blit16to16SurfaceAlpha128(SDL_BlitInfo * info, Uint16 mask) |
| 0 | 1830 { |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1831 int width = info->d_width; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
1832 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1833 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1834 int srcskip = info->s_skip >> 1; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1835 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1836 int dstskip = info->d_skip >> 1; |
| 0 | 1837 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1838 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1839 if (((uintptr_t) srcp ^ (uintptr_t) dstp) & 2) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1840 /* |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1841 * Source and destination not aligned, pipeline it. |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1842 * This is mostly a win for big blits but no loss for |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1843 * small ones |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1844 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
diff
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|
1845 Uint32 prev_sw; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1846 int w = width; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
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|
1847 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1848 /* handle odd destination */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
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changeset
|
1849 if ((uintptr_t) dstp & 2) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1850 Uint16 d = *dstp, s = *srcp; |
|
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|
1851 *dstp = BLEND16_50(d, s, mask); |
|
c121d94672cb
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|
1852 dstp++; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1853 srcp++; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1854 w--; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1855 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1856 srcp++; /* srcp is now 32-bit aligned */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
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|
1857 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1858 /* bootstrap pipeline with first halfword */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1859 prev_sw = ((Uint32 *) srcp)[-1]; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1860 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1861 while (w > 1) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1862 Uint32 sw, dw, s; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1863 sw = *(Uint32 *) srcp; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1864 dw = *(Uint32 *) dstp; |
|
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
1865 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
1895
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|
1866 s = (prev_sw << 16) + (sw >> 16); |
|
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
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|
1867 #else |
|
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|
1868 s = (prev_sw >> 16) + (sw << 16); |
|
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
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|
1869 #endif |
|
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|
1870 prev_sw = sw; |
|
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|
1871 *(Uint32 *) dstp = BLEND2x16_50(dw, s, mask); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1872 dstp += 2; |
|
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|
1873 srcp += 2; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1874 w -= 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1875 } |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1876 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1877 /* final pixel if any */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1878 if (w) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1879 Uint16 d = *dstp, s; |
|
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents:
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|
1880 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1881 s = (Uint16) prev_sw; |
|
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
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diff
changeset
|
1882 #else |
|
1895
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changeset
|
1883 s = (Uint16) (prev_sw >> 16); |
|
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1884 #endif |
|
1895
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changeset
|
1885 *dstp = BLEND16_50(d, s, mask); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1886 srcp++; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1887 dstp++; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1888 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1889 srcp += srcskip - 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1890 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1891 } else { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1892 /* source and destination are aligned */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1893 int w = width; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
changeset
|
1894 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1895 /* first odd pixel? */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1896 if ((uintptr_t) srcp & 2) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1897 Uint16 d = *dstp, s = *srcp; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
1898 *dstp = BLEND16_50(d, s, mask); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1899 srcp++; |
|
c121d94672cb
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1900 dstp++; |
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1901 w--; |
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1902 } |
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1903 /* srcp and dstp are now 32-bit aligned */ |
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1904 |
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1905 while (w > 1) { |
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1906 Uint32 sw = *(Uint32 *) srcp; |
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1907 Uint32 dw = *(Uint32 *) dstp; |
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1908 *(Uint32 *) dstp = BLEND2x16_50(dw, sw, mask); |
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1909 srcp += 2; |
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1910 dstp += 2; |
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1911 w -= 2; |
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1912 } |
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1913 |
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1914 /* last odd pixel? */ |
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1915 if (w) { |
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1916 Uint16 d = *dstp, s = *srcp; |
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1917 *dstp = BLEND16_50(d, s, mask); |
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1918 srcp++; |
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1919 dstp++; |
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1920 } |
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1921 srcp += srcskip; |
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1922 dstp += dstskip; |
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1923 } |
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1924 } |
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1925 } |
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1926 |
| 1542 | 1927 #if GCC_ASMBLIT |
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1928 /* fast RGB565->RGB565 blending with surface alpha */ |
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1929 static void |
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1930 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
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1931 { |
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1932 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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1933 if (alpha == 128) { |
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1934 Blit16to16SurfaceAlpha128(info, 0xf7de); |
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1935 } else { |
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1936 int width = info->d_width; |
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1937 int height = info->d_height; |
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1938 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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1939 int srcskip = info->s_skip >> 1; |
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1940 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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1941 int dstskip = info->d_skip >> 1; |
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1942 Uint32 s, d; |
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1943 Uint8 load[8]; |
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1944 |
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1945 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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1946 *(Uint64 *) load = alpha; |
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1947 alpha >>= 3; /* downscale alpha to 5 bits */ |
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1948 |
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1949 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
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1950 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
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1951 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
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1952 /* position alpha to allow for mullo and mulhi on diff channels |
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1953 to reduce the number of operations */ |
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1954 psllq_i2r(3, mm0); |
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1955 |
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1956 /* Setup the 565 color channel masks */ |
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1957 *(Uint64 *) load = 0x07E007E007E007E0ULL; |
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1958 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
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1959 *(Uint64 *) load = 0x001F001F001F001FULL; |
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1960 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
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1961 while (height--) { |
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1962 /* *INDENT-OFF* */ |
| 1542 | 1963 DUFFS_LOOP_QUATRO2( |
| 1964 { | |
| 1965 s = *srcp++; | |
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1966 d = *dstp; |
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1967 /* |
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1968 * shift out the middle component (green) to |
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1969 * the high 16 bits, and process all three RGB |
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1970 * components at the same time. |
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1971 */ |
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1972 s = (s | s << 16) & 0x07e0f81f; |
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1973 d = (d | d << 16) & 0x07e0f81f; |
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1974 d += (s - d) * alpha >> 5; |
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1975 d &= 0x07e0f81f; |
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1976 *dstp++ = d | d >> 16; |
| 1542 | 1977 },{ |
| 1978 s = *srcp++; | |
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1979 d = *dstp; |
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1980 /* |
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1981 * shift out the middle component (green) to |
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1982 * the high 16 bits, and process all three RGB |
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1983 * components at the same time. |
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1984 */ |
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1985 s = (s | s << 16) & 0x07e0f81f; |
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1986 d = (d | d << 16) & 0x07e0f81f; |
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1987 d += (s - d) * alpha >> 5; |
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1988 d &= 0x07e0f81f; |
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1989 *dstp++ = d | d >> 16; |
| 1542 | 1990 s = *srcp++; |
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1991 d = *dstp; |
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1992 /* |
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1993 * shift out the middle component (green) to |
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1994 * the high 16 bits, and process all three RGB |
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1995 * components at the same time. |
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1996 */ |
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1997 s = (s | s << 16) & 0x07e0f81f; |
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1998 d = (d | d << 16) & 0x07e0f81f; |
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1999 d += (s - d) * alpha >> 5; |
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2000 d &= 0x07e0f81f; |
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2001 *dstp++ = d | d >> 16; |
| 1542 | 2002 },{ |
| 2003 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2004 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2005 | |
| 2006 /* red -- does not need a mask since the right shift clears | |
| 2007 the uninteresting bits */ | |
| 2008 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2009 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2010 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 [000r 000r 000r 000r] */ | |
| 2011 psrlw_i2r(11, mm6); /* mm6 >> 11 -> mm6 [000r 000r 000r 000r] */ | |
| 2012 | |
| 2013 /* blend */ | |
| 2014 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2015 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2016 /* alpha used is actually 11 bits | |
| 2017 11 + 5 = 16 bits, so the sign bits are lost */ | |
| 2018 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2019 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2020 psllw_i2r(11, mm6); /* mm6 << 11 -> mm6 */ | |
| 2021 | |
| 2022 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2023 | |
| 2024 /* green -- process the bits in place */ | |
| 2025 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2026 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2027 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2028 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2029 | |
| 2030 /* blend */ | |
| 2031 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2032 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2033 /* 11 + 11 - 16 = 6 bits, so all the lower uninteresting | |
| 2034 bits are gone and the sign bits present */ | |
| 2035 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2036 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2037 | |
| 2038 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2039 | |
| 2040 /* blue */ | |
| 2041 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2042 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2043 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2044 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2045 | |
| 2046 /* blend */ | |
| 2047 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2048 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2049 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2050 the interesting bits will need to be MASKed */ | |
| 2051 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2052 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2053 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2054 | |
| 2055 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2056 | |
| 2057 movq_r2m(mm1, *dstp); /* mm1 -> 4 dst pixels */ | |
| 2058 | |
| 2059 srcp += 4; | |
| 2060 dstp += 4; | |
| 2061 }, width); | |
|
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2062 /* *INDENT-ON* */ |
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2063 srcp += srcskip; |
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2064 dstp += dstskip; |
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2065 } |
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2066 emms(); |
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2067 } |
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2068 } |
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2069 |
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2070 /* fast RGB555->RGB555 blending with surface alpha */ |
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2071 static void |
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2072 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
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2073 { |
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2074 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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2075 if (alpha == 128) { |
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2076 Blit16to16SurfaceAlpha128(info, 0xfbde); |
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2077 } else { |
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2078 int width = info->d_width; |
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2079 int height = info->d_height; |
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2080 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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2081 int srcskip = info->s_skip >> 1; |
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2082 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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2083 int dstskip = info->d_skip >> 1; |
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2084 Uint32 s, d; |
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2085 Uint8 load[8]; |
|
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2086 |
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2087 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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2088 *(Uint64 *) load = alpha; |
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2089 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2090 |
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2091 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
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2092 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
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|
2093 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
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2094 /* position alpha to allow for mullo and mulhi on diff channels |
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|
2095 to reduce the number of operations */ |
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2096 psllq_i2r(3, mm0); |
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2097 |
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2098 /* Setup the 555 color channel masks */ |
|
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|
2099 *(Uint64 *) load = 0x03E003E003E003E0ULL; |
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2100 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
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2101 *(Uint64 *) load = 0x001F001F001F001FULL; |
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2102 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
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|
2103 while (height--) { |
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|
2104 /* *INDENT-OFF* */ |
| 1542 | 2105 DUFFS_LOOP_QUATRO2( |
| 2106 { | |
| 2107 s = *srcp++; | |
|
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2108 d = *dstp; |
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2109 /* |
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2110 * shift out the middle component (green) to |
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2111 * the high 16 bits, and process all three RGB |
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2112 * components at the same time. |
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2113 */ |
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2114 s = (s | s << 16) & 0x03e07c1f; |
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2115 d = (d | d << 16) & 0x03e07c1f; |
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2116 d += (s - d) * alpha >> 5; |
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2117 d &= 0x03e07c1f; |
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2118 *dstp++ = d | d >> 16; |
| 1542 | 2119 },{ |
| 2120 s = *srcp++; | |
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2121 d = *dstp; |
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2122 /* |
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2123 * shift out the middle component (green) to |
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2124 * the high 16 bits, and process all three RGB |
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2125 * components at the same time. |
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2126 */ |
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2127 s = (s | s << 16) & 0x03e07c1f; |
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2128 d = (d | d << 16) & 0x03e07c1f; |
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2129 d += (s - d) * alpha >> 5; |
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2130 d &= 0x03e07c1f; |
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2131 *dstp++ = d | d >> 16; |
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2132 s = *srcp++; |
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2133 d = *dstp; |
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2134 /* |
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2135 * shift out the middle component (green) to |
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2136 * the high 16 bits, and process all three RGB |
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2137 * components at the same time. |
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2138 */ |
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2139 s = (s | s << 16) & 0x03e07c1f; |
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2140 d = (d | d << 16) & 0x03e07c1f; |
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2141 d += (s - d) * alpha >> 5; |
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2142 d &= 0x03e07c1f; |
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2143 *dstp++ = d | d >> 16; |
| 1542 | 2144 },{ |
| 2145 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2146 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2147 | |
| 2148 /* red -- process the bits in place */ | |
| 2149 psllq_i2r(5, mm4); /* turn MASKGREEN into MASKRED */ | |
| 2150 /* by reusing the GREEN mask we free up another mmx | |
| 2151 register to accumulate the result */ | |
| 2152 | |
| 2153 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2154 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2155 pand_r2r(mm4, mm5); /* src & MASKRED -> mm5 */ | |
| 2156 pand_r2r(mm4, mm6); /* dst & MASKRED -> mm6 */ | |
| 2157 | |
| 2158 /* blend */ | |
| 2159 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2160 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2161 /* 11 + 15 - 16 = 10 bits, uninteresting bits will be | |
| 2162 cleared by a MASK below */ | |
| 2163 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2164 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2165 pand_r2r(mm4, mm6); /* mm6 & MASKRED -> mm6 */ | |
| 2166 | |
| 2167 psrlq_i2r(5, mm4); /* turn MASKRED back into MASKGREEN */ | |
| 2168 | |
| 2169 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2170 | |
| 2171 /* green -- process the bits in place */ | |
| 2172 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2173 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2174 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2175 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2176 | |
| 2177 /* blend */ | |
| 2178 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2179 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2180 /* 11 + 10 - 16 = 5 bits, so all the lower uninteresting | |
| 2181 bits are gone and the sign bits present */ | |
| 2182 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2183 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2184 | |
| 2185 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2186 | |
| 2187 /* blue */ | |
| 2188 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2189 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2190 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2191 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2192 | |
| 2193 /* blend */ | |
| 2194 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2195 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2196 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2197 the interesting bits will need to be MASKed */ | |
| 2198 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2199 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2200 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2201 | |
| 2202 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2203 | |
| 2204 movq_r2m(mm1, *dstp);/* mm1 -> 4 dst pixels */ | |
| 2205 | |
| 2206 srcp += 4; | |
| 2207 dstp += 4; | |
|
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|
2208 }, width); |
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|
2209 /* *INDENT-ON* */ |
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|
2210 srcp += srcskip; |
|
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|
2211 dstp += dstskip; |
|
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2212 } |
|
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|
2213 emms(); |
|
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2214 } |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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2215 } |
|
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|
2216 |
| 1542 | 2217 /* End GCC_ASMBLIT */ |
| 2218 | |
| 2219 #elif MSVC_ASMBLIT | |
| 2220 /* fast RGB565->RGB565 blending with surface alpha */ | |
|
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|
2221 static void |
|
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|
2222 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2223 { |
|
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|
2224 unsigned alpha = info->src->alpha; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2225 if (alpha == 128) { |
|
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|
2226 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
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2227 } else { |
|
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|
2228 int width = info->d_width; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2229 int height = info->d_height; |
|
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2230 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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|
2231 int srcskip = info->s_skip >> 1; |
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2232 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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|
2233 int dstskip = info->d_skip >> 1; |
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2234 Uint32 s, d; |
|
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2235 |
|
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|
2236 __m64 src1, dst1, src2, dst2, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2237 |
|
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|
2238 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
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|
2239 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
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|
2240 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2241 |
|
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|
2242 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
|
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|
2243 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
|
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|
2244 /* position alpha to allow for mullo and mulhi on diff channels |
|
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|
2245 to reduce the number of operations */ |
|
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|
2246 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
|
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|
2247 |
|
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|
2248 /* Setup the 565 color channel masks */ |
|
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|
2249 gmask = _mm_set_pi32(0x07E007E0, 0x07E007E0); /* MASKGREEN -> gmask */ |
|
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|
2250 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
|
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|
2251 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2252 while (height--) { |
|
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|
2253 /* *INDENT-OFF* */ |
| 1542 | 2254 DUFFS_LOOP_QUATRO2( |
| 2255 { | |
| 2256 s = *srcp++; | |
| 2257 d = *dstp; | |
| 2258 /* | |
| 2259 * shift out the middle component (green) to | |
| 2260 * the high 16 bits, and process all three RGB | |
| 2261 * components at the same time. | |
| 2262 */ | |
| 2263 s = (s | s << 16) & 0x07e0f81f; | |
| 2264 d = (d | d << 16) & 0x07e0f81f; | |
| 2265 d += (s - d) * alpha >> 5; | |
| 2266 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2267 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2268 },{ |
| 2269 s = *srcp++; | |
| 2270 d = *dstp; | |
| 2271 /* | |
| 2272 * shift out the middle component (green) to | |
| 2273 * the high 16 bits, and process all three RGB | |
| 2274 * components at the same time. | |
| 2275 */ | |
| 2276 s = (s | s << 16) & 0x07e0f81f; | |
| 2277 d = (d | d << 16) & 0x07e0f81f; | |
| 2278 d += (s - d) * alpha >> 5; | |
| 2279 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2280 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2281 s = *srcp++; |
| 2282 d = *dstp; | |
| 2283 /* | |
| 2284 * shift out the middle component (green) to | |
| 2285 * the high 16 bits, and process all three RGB | |
| 2286 * components at the same time. | |
| 2287 */ | |
| 2288 s = (s | s << 16) & 0x07e0f81f; | |
| 2289 d = (d | d << 16) & 0x07e0f81f; | |
| 2290 d += (s - d) * alpha >> 5; | |
| 2291 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2292 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2293 },{ |
| 2294 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2295 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2296 | |
| 2297 /* red */ | |
| 2298 src2 = src1; | |
| 2299 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 [000r 000r 000r 000r] */ | |
| 2300 | |
| 2301 dst2 = dst1; | |
| 2302 dst2 = _mm_srli_pi16(dst2, 11); /* dst2 >> 11 -> dst2 [000r 000r 000r 000r] */ | |
| 2303 | |
| 2304 /* blend */ | |
| 2305 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2306 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2307 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2308 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2309 dst2 = _mm_slli_pi16(dst2, 11); /* dst2 << 11 -> dst2 */ | |
| 2310 | |
| 2311 mm_res = dst2; /* RED -> mm_res */ | |
| 2312 | |
| 2313 /* green -- process the bits in place */ | |
| 2314 src2 = src1; | |
| 2315 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2316 | |
| 2317 dst2 = dst1; | |
| 2318 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2319 | |
| 2320 /* blend */ | |
| 2321 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2322 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2323 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2324 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2325 | |
| 2326 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2327 | |
| 2328 /* blue */ | |
| 2329 src2 = src1; | |
| 2330 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2331 | |
| 2332 dst2 = dst1; | |
| 2333 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2334 | |
| 2335 /* blend */ | |
| 2336 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2337 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2338 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2339 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2340 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2341 | |
| 2342 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2343 | |
| 2344 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2345 | |
| 2346 srcp += 4; | |
| 2347 dstp += 4; | |
|
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|
2348 }, width); |
|
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|
2349 /* *INDENT-ON* */ |
|
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|
2350 srcp += srcskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2351 dstp += dstskip; |
|
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|
2352 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2353 _mm_empty(); |
|
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|
2354 } |
| 1542 | 2355 } |
| 2356 | |
| 2357 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
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|
2358 static void |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2359 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2360 { |
|
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|
2361 unsigned alpha = info->src->alpha; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2362 if (alpha == 128) { |
|
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|
2363 Blit16to16SurfaceAlpha128(info, 0xfbde); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2364 } else { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2365 int width = info->d_width; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2366 int height = info->d_height; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2367 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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|
2368 int srcskip = info->s_skip >> 1; |
|
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|
2369 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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|
2370 int dstskip = info->d_skip >> 1; |
|
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|
2371 Uint32 s, d; |
|
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|
2372 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2373 __m64 src1, dst1, src2, dst2, rmask, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2374 |
|
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|
2375 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2376 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
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|
2377 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2378 |
|
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|
2379 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
|
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|
2380 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
|
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|
2381 /* position alpha to allow for mullo and mulhi on diff channels |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2382 to reduce the number of operations */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2383 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
| 1542 | 2384 |
|
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|
2385 /* Setup the 555 color channel masks */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2386 rmask = _mm_set_pi32(0x7C007C00, 0x7C007C00); /* MASKRED -> rmask */ |
|
c121d94672cb
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changeset
|
2387 gmask = _mm_set_pi32(0x03E003E0, 0x03E003E0); /* MASKGREEN -> gmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2388 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2389 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2390 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2391 /* *INDENT-OFF* */ |
| 1542 | 2392 DUFFS_LOOP_QUATRO2( |
| 2393 { | |
| 2394 s = *srcp++; | |
| 2395 d = *dstp; | |
| 2396 /* | |
| 2397 * shift out the middle component (green) to | |
| 2398 * the high 16 bits, and process all three RGB | |
| 2399 * components at the same time. | |
| 2400 */ | |
| 2401 s = (s | s << 16) & 0x03e07c1f; | |
| 2402 d = (d | d << 16) & 0x03e07c1f; | |
| 2403 d += (s - d) * alpha >> 5; | |
| 2404 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2405 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2406 },{ |
| 2407 s = *srcp++; | |
| 2408 d = *dstp; | |
| 2409 /* | |
| 2410 * shift out the middle component (green) to | |
| 2411 * the high 16 bits, and process all three RGB | |
| 2412 * components at the same time. | |
| 2413 */ | |
| 2414 s = (s | s << 16) & 0x03e07c1f; | |
| 2415 d = (d | d << 16) & 0x03e07c1f; | |
| 2416 d += (s - d) * alpha >> 5; | |
| 2417 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2418 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2419 s = *srcp++; |
| 2420 d = *dstp; | |
| 2421 /* | |
| 2422 * shift out the middle component (green) to | |
| 2423 * the high 16 bits, and process all three RGB | |
| 2424 * components at the same time. | |
| 2425 */ | |
| 2426 s = (s | s << 16) & 0x03e07c1f; | |
| 2427 d = (d | d << 16) & 0x03e07c1f; | |
| 2428 d += (s - d) * alpha >> 5; | |
| 2429 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2430 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2431 },{ |
| 2432 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2433 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2434 | |
| 2435 /* red -- process the bits in place */ | |
| 2436 src2 = src1; | |
| 2437 src2 = _mm_and_si64(src2, rmask); /* src & MASKRED -> src2 */ | |
| 2438 | |
| 2439 dst2 = dst1; | |
| 2440 dst2 = _mm_and_si64(dst2, rmask); /* dst & MASKRED -> dst2 */ | |
| 2441 | |
| 2442 /* blend */ | |
| 2443 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2444 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2445 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2446 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2447 dst2 = _mm_and_si64(dst2, rmask); /* dst2 & MASKRED -> dst2 */ | |
| 2448 | |
| 2449 mm_res = dst2; /* RED -> mm_res */ | |
| 2450 | |
| 2451 /* green -- process the bits in place */ | |
| 2452 src2 = src1; | |
| 2453 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2454 | |
| 2455 dst2 = dst1; | |
| 2456 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2457 | |
| 2458 /* blend */ | |
| 2459 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2460 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2461 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2462 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2463 | |
| 2464 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2465 | |
| 2466 /* blue */ | |
| 2467 src2 = src1; /* src -> src2 */ | |
| 2468 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2469 | |
| 2470 dst2 = dst1; /* dst -> dst2 */ | |
| 2471 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2472 | |
| 2473 /* blend */ | |
| 2474 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2475 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2476 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2477 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2478 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2479 | |
| 2480 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2481 | |
| 2482 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2483 | |
| 2484 srcp += 4; | |
| 2485 dstp += 4; | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2486 }, width); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2487 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2488 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2489 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2490 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2491 _mm_empty(); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2492 } |
| 1542 | 2493 } |
| 2494 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2495 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2496 /* fast RGB565->RGB565 blending with surface alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2497 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2498 Blit565to565SurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2499 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2500 unsigned alpha = info->src->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2501 if (alpha == 128) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2502 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2503 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2504 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2505 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2506 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2507 int srcskip = info->s_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2508 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2509 int dstskip = info->d_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2510 alpha >>= 3; /* downscale alpha to 5 bits */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2511 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2512 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2513 /* *INDENT-OFF* */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2514 DUFFS_LOOP4({ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2515 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2516 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2517 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2518 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2519 * the high 16 bits, and process all three RGB |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2520 * components at the same time. |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2521 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2522 s = (s | s << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2523 d = (d | d << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2524 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2525 d &= 0x07e0f81f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2526 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2527 }, width); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2528 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2529 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2530 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2531 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2532 } |
| 0 | 2533 } |
| 2534 | |
| 2535 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2536 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2537 Blit555to555SurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2538 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2539 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2540 if (alpha == 128) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2541 Blit16to16SurfaceAlpha128(info, 0xfbde); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2542 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2543 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2544 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2545 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2546 int srcskip = info->s_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2547 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2548 int dstskip = info->d_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2549 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 0 | 2550 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2551 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2552 /* *INDENT-OFF* */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2553 DUFFS_LOOP4({ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2554 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2555 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2556 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2557 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2558 * the high 16 bits, and process all three RGB |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2559 * components at the same time. |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2560 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2561 s = (s | s << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2562 d = (d | d << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2563 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2564 d &= 0x03e07c1f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2565 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2566 }, width); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2567 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2568 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2569 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2570 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2571 } |
| 0 | 2572 } |
| 2573 | |
| 2574 /* fast ARGB8888->RGB565 blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2575 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2576 BlitARGBto565PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2577 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2578 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2579 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2580 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2581 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2582 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2583 int dstskip = info->d_skip >> 1; |
| 0 | 2584 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2585 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2586 /* *INDENT-OFF* */ |
| 0 | 2587 DUFFS_LOOP4({ |
| 2588 Uint32 s = *srcp; | |
| 2589 unsigned alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2590 /* FIXME: Here we special-case opaque alpha since the | |
| 2591 compositioning used (>>8 instead of /255) doesn't handle | |
| 2592 it correctly. Also special-case alpha=0 for speed? | |
| 2593 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2594 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2595 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2596 *dstp = (Uint16)((s >> 8 & 0xf800) + (s >> 5 & 0x7e0) + (s >> 3 & 0x1f)); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2597 } else { |
| 0 | 2598 Uint32 d = *dstp; |
| 2599 /* | |
| 2600 * convert source and destination to G0RAB65565 | |
| 2601 * and blend all components at the same time | |
| 2602 */ | |
| 2603 s = ((s & 0xfc00) << 11) + (s >> 8 & 0xf800) | |
| 2604 + (s >> 3 & 0x1f); | |
| 2605 d = (d | d << 16) & 0x07e0f81f; | |
| 2606 d += (s - d) * alpha >> 5; | |
| 2607 d &= 0x07e0f81f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2608 *dstp = (Uint16)(d | d >> 16); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2609 } |
| 0 | 2610 } |
| 2611 srcp++; | |
| 2612 dstp++; | |
| 2613 }, width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2614 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2615 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2616 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2617 } |
| 0 | 2618 } |
| 2619 | |
| 2620 /* fast ARGB8888->RGB555 blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2621 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2622 BlitARGBto555PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2623 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2624 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2625 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2626 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2627 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2628 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2629 int dstskip = info->d_skip >> 1; |
| 0 | 2630 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2631 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2632 /* *INDENT-OFF* */ |
| 0 | 2633 DUFFS_LOOP4({ |
| 2634 unsigned alpha; | |
| 2635 Uint32 s = *srcp; | |
| 2636 alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2637 /* FIXME: Here we special-case opaque alpha since the | |
| 2638 compositioning used (>>8 instead of /255) doesn't handle | |
| 2639 it correctly. Also special-case alpha=0 for speed? | |
| 2640 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2641 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2642 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2643 *dstp = (Uint16)((s >> 9 & 0x7c00) + (s >> 6 & 0x3e0) + (s >> 3 & 0x1f)); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2644 } else { |
| 0 | 2645 Uint32 d = *dstp; |
| 2646 /* | |
| 2647 * convert source and destination to G0RAB65565 | |
| 2648 * and blend all components at the same time | |
| 2649 */ | |
| 2650 s = ((s & 0xf800) << 10) + (s >> 9 & 0x7c00) | |
| 2651 + (s >> 3 & 0x1f); | |
| 2652 d = (d | d << 16) & 0x03e07c1f; | |
| 2653 d += (s - d) * alpha >> 5; | |
| 2654 d &= 0x03e07c1f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2655 *dstp = (Uint16)(d | d >> 16); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2656 } |
| 0 | 2657 } |
| 2658 srcp++; | |
| 2659 dstp++; | |
| 2660 }, width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2661 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2662 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2663 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2664 } |
| 0 | 2665 } |
| 2666 | |
| 2667 /* General (slow) N->N blending with per-surface alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2668 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2669 BlitNtoNSurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2670 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2671 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2672 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2673 Uint8 *src = info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2674 int srcskip = info->s_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2675 Uint8 *dst = info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2676 int dstskip = info->d_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2677 SDL_PixelFormat *srcfmt = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2678 SDL_PixelFormat *dstfmt = info->dst; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2679 int srcbpp = srcfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2680 int dstbpp = dstfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2681 unsigned sA = srcfmt->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2682 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2683 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2684 if (sA) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2685 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2686 /* *INDENT-OFF* */ |
| 0 | 2687 DUFFS_LOOP4( |
| 2688 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2689 Uint32 Pixel; |
| 0 | 2690 unsigned sR; |
| 2691 unsigned sG; | |
| 2692 unsigned sB; | |
| 2693 unsigned dR; | |
| 2694 unsigned dG; | |
| 2695 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
|
2696 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
|
2697 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2698 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2699 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2700 src += srcbpp; | |
| 2701 dst += dstbpp; | |
| 2702 }, | |
| 2703 width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2704 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2705 src += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2706 dst += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2707 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2708 } |
| 0 | 2709 } |
| 2710 | |
| 2711 /* General (slow) colorkeyed N->N blending with per-surface alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2712 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2713 BlitNtoNSurfaceAlphaKey(SDL_BlitInfo * info) |
| 0 | 2714 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2715 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2716 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2717 Uint8 *src = info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2718 int srcskip = info->s_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2719 Uint8 *dst = info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2720 int dstskip = info->d_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2721 SDL_PixelFormat *srcfmt = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2722 SDL_PixelFormat *dstfmt = info->dst; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2723 Uint32 ckey = srcfmt->colorkey; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2724 int srcbpp = srcfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2725 int dstbpp = dstfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2726 unsigned sA = srcfmt->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2727 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2728 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2729 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2730 /* *INDENT-OFF* */ |
| 0 | 2731 DUFFS_LOOP4( |
| 2732 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2733 Uint32 Pixel; |
| 0 | 2734 unsigned sR; |
| 2735 unsigned sG; | |
| 2736 unsigned sB; | |
| 2737 unsigned dR; | |
| 2738 unsigned dG; | |
| 2739 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
|
2740 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
|
2741 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
|
2742 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
|
2743 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2744 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2745 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2746 } | |
| 2747 src += srcbpp; | |
| 2748 dst += dstbpp; | |
| 2749 }, | |
| 2750 width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2751 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2752 src += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2753 dst += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2754 } |
| 0 | 2755 } |
| 2756 | |
| 2757 /* General (slow) N->N blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2758 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2759 BlitNtoNPixelAlpha(SDL_BlitInfo * info) |
| 0 | 2760 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2761 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2762 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2763 Uint8 *src = info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2764 int srcskip = info->s_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2765 Uint8 *dst = info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2766 int dstskip = info->d_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2767 SDL_PixelFormat *srcfmt = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2768 SDL_PixelFormat *dstfmt = info->dst; |
| 0 | 2769 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2770 int srcbpp; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2771 int dstbpp; |
| 0 | 2772 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2773 /* Set up some basic variables */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2774 srcbpp = srcfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2775 dstbpp = dstfmt->BytesPerPixel; |
| 0 | 2776 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2777 /* FIXME: for 8bpp source alpha, this doesn't get opaque values |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2778 quite right. for <8bpp source alpha, it gets them very wrong |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2779 (check all macros!) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2780 It is unclear whether there is a good general solution that doesn't |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2781 need a branch (or a divide). */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2782 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2783 /* *INDENT-OFF* */ |
| 0 | 2784 DUFFS_LOOP4( |
| 2785 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2786 Uint32 Pixel; |
| 0 | 2787 unsigned sR; |
| 2788 unsigned sG; | |
| 2789 unsigned sB; | |
| 2790 unsigned dR; | |
| 2791 unsigned dG; | |
| 2792 unsigned dB; | |
| 2793 unsigned sA; | |
| 2794 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
|
2795 DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, sR, sG, sB, sA); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2796 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
|
2797 DISEMBLE_RGBA(dst, dstbpp, dstfmt, Pixel, dR, dG, dB, dA); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2798 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2799 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2800 } |
| 0 | 2801 src += srcbpp; |
| 2802 dst += dstbpp; | |
| 2803 }, | |
| 2804 width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2805 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2806 src += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2807 dst += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2808 } |
| 0 | 2809 } |
| 2810 | |
| 2811 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2812 SDL_loblit |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2813 SDL_CalculateAlphaBlit(SDL_Surface * surface, int blit_index) |
| 0 | 2814 { |
| 2815 SDL_PixelFormat *sf = surface->format; | |
| 2816 SDL_PixelFormat *df = surface->map->dst->format; | |
| 2817 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2818 if (sf->Amask == 0) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2819 if ((surface->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2820 if (df->BytesPerPixel == 1) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2821 return BlitNto1SurfaceAlphaKey; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2822 else |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2823 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2824 if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 && |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2825 !(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2826 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2827 return Blit32to32SurfaceAlphaKeyAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2828 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2829 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2830 return BlitNtoNSurfaceAlphaKey; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2831 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2832 /* Per-surface alpha blits */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2833 switch (df->BytesPerPixel) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2834 case 1: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2835 return BlitNto1SurfaceAlpha; |
| 0 | 2836 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2837 case 2: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2838 if (surface->map->identity) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2839 if (df->Gmask == 0x7e0) { |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2840 #if MMX_ASMBLIT |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2841 if (SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2842 return Blit565to565SurfaceAlphaMMX; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2843 else |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2844 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2845 return Blit565to565SurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2846 } else if (df->Gmask == 0x3e0) { |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2847 #if MMX_ASMBLIT |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2848 if (SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2849 return Blit555to555SurfaceAlphaMMX; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2850 else |
| 1542 | 2851 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2852 return Blit555to555SurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2853 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2854 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2855 return BlitNtoNSurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2856 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2857 case 4: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2858 if (sf->Rmask == df->Rmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2859 && sf->Gmask == df->Gmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2860 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2861 #if MMX_ASMBLIT |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2862 if (sf->Rshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2863 && sf->Gshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2864 && sf->Bshift % 8 == 0 && SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2865 return BlitRGBtoRGBSurfaceAlphaMMX; |
| 1542 | 2866 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2867 if ((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) { |
| 1542 | 2868 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2869 if (!(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2870 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2871 return BlitRGBtoRGBSurfaceAlphaAltivec; |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2872 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2873 return BlitRGBtoRGBSurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2874 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2875 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2876 #if SDL_ALTIVEC_BLITTERS |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2877 if ((sf->BytesPerPixel == 4) && |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2878 !(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2879 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2880 return Blit32to32SurfaceAlphaAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2881 else |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2882 #endif |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2883 return BlitNtoNSurfaceAlpha; |
| 0 | 2884 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2885 case 3: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2886 default: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2887 return BlitNtoNSurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2888 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2889 } |
| 0 | 2890 } else { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2891 /* Per-pixel alpha blits */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2892 switch (df->BytesPerPixel) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2893 case 1: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2894 return BlitNto1PixelAlpha; |
| 0 | 2895 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2896 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
|
2897 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2898 if (sf->BytesPerPixel == 4 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2899 && !(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2900 && df->Gmask == 0x7e0 && df->Bmask == 0x1f |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2901 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2902 return Blit32to565PixelAlphaAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2903 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2904 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2905 if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2906 && sf->Gmask == 0xff00 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2907 && ((sf->Rmask == 0xff && df->Rmask == 0x1f) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2908 || (sf->Bmask == 0xff && df->Bmask == 0x1f))) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2909 if (df->Gmask == 0x7e0) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2910 return BlitARGBto565PixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2911 else if (df->Gmask == 0x3e0) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2912 return BlitARGBto555PixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2913 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2914 return BlitNtoNPixelAlpha; |
| 0 | 2915 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2916 case 4: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2917 if (sf->Rmask == df->Rmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2918 && sf->Gmask == df->Gmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2919 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) { |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2920 #if MMX_ASMBLIT |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2921 if (sf->Rshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2922 && sf->Gshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2923 && sf->Bshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2924 && sf->Ashift % 8 == 0 && sf->Aloss == 0) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2925 if (SDL_Has3DNow()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2926 return BlitRGBtoRGBPixelAlphaMMX3DNOW; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2927 if (SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2928 return BlitRGBtoRGBPixelAlphaMMX; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2929 } |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2930 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2931 if (sf->Amask == 0xff000000) { |
|
1617
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2932 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2933 if (!(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2934 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2935 return BlitRGBtoRGBPixelAlphaAltivec; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2936 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2937 return BlitRGBtoRGBPixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2938 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2939 } |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2940 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2941 if (sf->Amask && sf->BytesPerPixel == 4 && |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2942 !(surface->map->dst->flags & SDL_HWSURFACE) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2943 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2944 return Blit32to32PixelAlphaAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2945 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2946 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2947 return BlitNtoNPixelAlpha; |
| 0 | 2948 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2949 case 3: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2950 default: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2951 return BlitNtoNPixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2952 } |
| 0 | 2953 } |
| 2954 } | |
| 2955 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2956 /* vi: set ts=4 sw=4 expandtab: */ |