Mercurial > sdl-ios-xcode
annotate src/video/SDL_blit_A.c @ 2086:fffea8d6bf92
Merged r2954:2955 from branches/SDL-1.2: Altivec alpha blitter alignment fix.
Fixes Bugzilla #279.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Mon, 12 Feb 2007 10:57:45 +0000 |
| parents | 9e6dc39f48b6 |
| children | c4e0afbcf1f6 |
| 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 */ |
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390 movd_m2r(sf->Ashift, mm5); /* Ashift -> mm5 */ |
| 1542 | 391 |
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392 while (height--) { |
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393 /* *INDENT-OFF* */ |
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394 DUFFS_LOOP4({ |
| 1542 | 395 Uint32 alpha = *srcp & amask; |
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396 /* FIXME: Here we special-case opaque alpha since the |
| 1542 | 397 compositioning used (>>8 instead of /255) doesn't handle |
| 398 it correctly. Also special-case alpha=0 for speed? | |
| 399 Benchmark this! */ | |
| 400 if(alpha == 0) { | |
| 401 /* do nothing */ | |
| 402 } else if(alpha == amask) { | |
| 403 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 404 /* using MMX here to free up regular registers for other things */ | |
| 405 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 406 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 407 pand_r2r(mm0, mm1); /* src & chanmask -> mm1 */ | |
| 408 pand_r2r(mm3, mm2); /* dst & ~chanmask -> mm2 */ | |
| 409 por_r2r(mm1, mm2); /* src | dst -> mm2 */ | |
| 410 movd_r2m(mm2, (*dstp)); /* mm2 -> dst */ | |
| 411 } else { | |
| 412 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 413 punpcklbw_r2r(mm6, mm1); /* 0A0R0G0B -> mm1 */ | |
| 414 | |
| 415 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 416 punpcklbw_r2r(mm6, mm2); /* 0A0R0G0B -> mm2 */ | |
| 417 | |
| 418 __asm__ __volatile__ ( | |
| 419 "movd %0, %%mm4" | |
| 420 : : "r" (alpha) ); /* 0000A000 -> mm4 */ | |
| 421 psrld_r2r(mm5, mm4); /* mm4 >> mm5 -> mm4 (0000000A) */ | |
| 422 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ | |
| 423 punpcklwd_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ | |
| 424 pand_r2r(mm7, mm4); /* 000A0A0A -> mm4, preserve dst alpha on add */ | |
| 425 | |
| 426 /* blend */ | |
| 427 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ | |
| 428 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 429 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1(000R0G0B) */ | |
| 430 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ | |
| 431 | |
| 432 packuswb_r2r(mm6, mm2); /* 0000ARGB -> mm2 */ | |
| 433 movd_r2m(mm2, *dstp);/* mm2 -> dst */ | |
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434 } |
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435 ++srcp; |
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436 ++dstp; |
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437 }, width); |
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438 /* *INDENT-ON* */ |
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439 srcp += srcskip; |
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440 dstp += dstskip; |
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441 } |
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442 emms(); |
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443 } |
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444 |
| 1542 | 445 /* End GCC_ASMBLIT */ |
| 446 | |
| 447 #elif MSVC_ASMBLIT | |
| 448 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ | |
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449 static void |
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450 BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo * info) |
| 1542 | 451 { |
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452 int width = info->d_width; |
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453 int height = info->d_height; |
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454 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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455 int srcskip = info->s_skip >> 2; |
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456 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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457 int dstskip = info->d_skip >> 2; |
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458 Uint32 dalpha = info->dst->Amask; |
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459 |
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460 __m64 src1, src2, dst1, dst2, lmask, hmask, dsta; |
| 1542 | 461 |
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462 hmask = _mm_set_pi32(0x00fefefe, 0x00fefefe); /* alpha128 mask -> hmask */ |
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463 lmask = _mm_set_pi32(0x00010101, 0x00010101); /* !alpha128 mask -> lmask */ |
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464 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
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465 |
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466 while (height--) { |
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467 int n = width; |
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468 if (n & 1) { |
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469 Uint32 s = *srcp++; |
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470 Uint32 d = *dstp; |
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471 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
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472 + (s & d & 0x00010101)) | dalpha; |
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473 n--; |
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474 } |
| 1542 | 475 |
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476 for (n >>= 1; n > 0; --n) { |
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477 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
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478 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
| 1542 | 479 |
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480 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
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481 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
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482 |
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483 dst2 = _mm_and_si64(dst2, hmask); /* dst & mask -> dst2 */ |
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484 src2 = _mm_and_si64(src2, hmask); /* src & mask -> src2 */ |
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485 src2 = _mm_add_pi32(src2, dst2); /* dst2 + src2 -> src2 */ |
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486 src2 = _mm_srli_pi32(src2, 1); /* src2 >> 1 -> src2 */ |
| 1542 | 487 |
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488 dst1 = _mm_and_si64(dst1, src1); /* src & dst -> dst1 */ |
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489 dst1 = _mm_and_si64(dst1, lmask); /* dst1 & !mask -> dst1 */ |
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490 dst1 = _mm_add_pi32(dst1, src2); /* src2 + dst1 -> dst1 */ |
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491 dst1 = _mm_or_si64(dst1, dsta); /* dsta(full alpha) | dst1 -> dst1 */ |
| 1542 | 492 |
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493 *(__m64 *) dstp = dst1; /* dst1 -> 2 x dst pixels */ |
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494 dstp += 2; |
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495 srcp += 2; |
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496 } |
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497 |
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498 srcp += srcskip; |
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499 dstp += dstskip; |
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500 } |
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501 _mm_empty(); |
| 1542 | 502 } |
| 503 | |
| 504 /* 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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505 static void |
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506 BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 507 { |
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508 SDL_PixelFormat *df = info->dst; |
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509 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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|
510 unsigned alpha = info->src->alpha; |
| 1542 | 511 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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512 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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513 /* 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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514 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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515 } else { |
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516 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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517 int height = info->d_height; |
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518 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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519 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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|
520 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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521 int dstskip = info->d_skip >> 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
522 Uint32 dalpha = df->Amask; |
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523 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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524 |
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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 __m64 src1, src2, dst1, dst2, mm_alpha, mm_zero, dsta; |
| 1542 | 526 |
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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 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
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528 /* form the alpha mult */ |
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529 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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530 amult = amult | (amult << 16); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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531 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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532 (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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533 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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534 mm_alpha = _mm_set_pi32(0, amult & chanmask); /* 0000AAAA -> mm_alpha, minus 1 chan */ |
|
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535 mm_alpha = _mm_unpacklo_pi8(mm_alpha, mm_zero); /* 0A0A0A0A -> 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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536 /* 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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537 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
| 1542 | 538 |
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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 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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|
540 int n = width; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
541 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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|
542 /* 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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543 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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544 src2 = _mm_unpacklo_pi8(src2, mm_zero); /* 0A0R0G0B -> 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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545 |
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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 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (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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547 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ |
| 1542 | 548 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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549 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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550 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
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Sam Lantinga <slouken@libsdl.org>
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551 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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552 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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|
553 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
554 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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555 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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556 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ |
| 1542 | 557 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
558 ++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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559 ++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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|
560 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
561 n--; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
562 } |
| 1542 | 563 |
|
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|
564 for (n >>= 1; n > 0; --n) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
565 /* Two Pixels Blend */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
566 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
567 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.
Sam Lantinga <slouken@libsdl.org>
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568 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* low - 0A0R0G0B -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
569 src2 = _mm_unpackhi_pi8(src2, mm_zero); /* high - 0A0R0G0B -> src2 */ |
| 1542 | 570 |
|
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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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|
571 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
572 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
573 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* low - 0A0R0G0B -> dst1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
574 dst2 = _mm_unpackhi_pi8(dst2, mm_zero); /* high - 0A0R0G0B -> dst2 */ |
| 1542 | 575 |
|
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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 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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|
577 src1 = _mm_mullo_pi16(src1, mm_alpha); /* src1 * alpha -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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578 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
579 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst1) -> dst1 */ |
| 1542 | 580 |
|
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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
|
581 src2 = _mm_sub_pi16(src2, dst2); /* src2 - dst2 -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
582 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
583 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
584 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.
Sam Lantinga <slouken@libsdl.org>
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|
585 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
586 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.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
587 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
| 1542 | 588 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
589 *(__m64 *) dstp = dst1; /* dst1 -> 2 x pixel */ |
| 1542 | 590 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
591 srcp += 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
592 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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|
593 } |
|
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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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|
594 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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|
595 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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|
596 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
597 _mm_empty(); |
|
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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|
598 } |
| 1542 | 599 } |
| 600 | |
| 601 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ | |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
602 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
603 BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 604 { |
|
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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
|
605 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:
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changeset
|
606 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:
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diff
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|
607 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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608 int srcskip = info->s_skip >> 2; |
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609 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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610 int dstskip = info->d_skip >> 2; |
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611 SDL_PixelFormat *sf = info->src; |
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612 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
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613 Uint32 amask = sf->Amask; |
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614 Uint32 ashift = sf->Ashift; |
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615 Uint64 multmask; |
| 1542 | 616 |
|
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617 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
| 1542 | 618 |
|
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619 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
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620 /* *INDENT-OFF* */ |
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621 multmask = ~(0xFFFFI64 << (ashift * 2)); |
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622 /* *INDENT-ON* */ |
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623 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
| 1542 | 624 |
|
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625 while (height--) { |
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626 /* *INDENT-OFF* */ |
| 1542 | 627 DUFFS_LOOP4({ |
| 628 Uint32 alpha = *srcp & amask; | |
| 629 if (alpha == 0) { | |
| 630 /* do nothing */ | |
| 631 } else if (alpha == amask) { | |
| 632 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 633 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 634 } else { | |
| 635 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 636 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 637 | |
| 638 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 639 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 640 | |
| 641 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 642 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 643 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 644 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 645 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 646 | |
| 647 /* blend */ | |
| 648 src1 = _mm_sub_pi16(src1, dst1);/* src1 - dst1 -> src1 */ | |
| 649 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src1 - dst1) * alpha -> src1 */ | |
| 650 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 651 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1 -> dst1(0A0R0G0B) */ | |
| 652 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 653 | |
| 654 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 655 } | |
| 656 ++srcp; | |
| 657 ++dstp; | |
| 658 }, width); | |
|
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659 /* *INDENT-ON* */ |
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660 srcp += srcskip; |
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661 dstp += dstskip; |
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662 } |
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663 _mm_empty(); |
| 1542 | 664 } |
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665 |
| 1542 | 666 /* End MSVC_ASMBLIT */ |
| 667 | |
| 668 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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669 |
|
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New configure-based build system. Still work in progress, but much improved
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670 #if SDL_ALTIVEC_BLITTERS |
| 1795 | 671 #if __MWERKS__ |
| 672 #pragma altivec_model on | |
| 673 #endif | |
|
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674 #if HAVE_ALTIVEC_H |
|
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675 #include <altivec.h> |
|
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676 #endif |
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677 #include <assert.h> |
|
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678 |
|
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Use consistent identifiers for the various platforms we support.
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679 #if (defined(__MACOSX__) && (__GNUC__ < 4)) |
|
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680 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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681 (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p ) |
|
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682 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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683 (vector unsigned short) ( a,b,c,d,e,f,g,h ) |
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684 #else |
|
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685 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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686 (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p } |
|
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687 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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688 (vector unsigned short) { a,b,c,d,e,f,g,h } |
|
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|
689 #endif |
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|
690 |
|
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|
691 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F) |
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|
692 #define VECPRINT(msg, v) do { \ |
|
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|
693 vector unsigned int tmpvec = (vector unsigned int)(v); \ |
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|
694 unsigned int *vp = (unsigned int *)&tmpvec; \ |
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|
695 printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \ |
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|
696 } while (0) |
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|
697 |
|
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|
698 /* the permuation vector that takes the high bytes out of all the appropriate shorts |
|
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|
699 (vector unsigned char)( |
|
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|
700 0x00, 0x10, 0x02, 0x12, |
|
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diff
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|
701 0x04, 0x14, 0x06, 0x16, |
|
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|
702 0x08, 0x18, 0x0A, 0x1A, |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
703 0x0C, 0x1C, 0x0E, 0x1E ); |
|
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diff
changeset
|
704 */ |
|
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diff
changeset
|
705 #define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F))) |
|
ffaaf7ecf685
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parents:
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diff
changeset
|
706 #define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12))) |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
707 #define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24())) |
|
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parents:
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diff
changeset
|
708 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
709 ? vec_lvsl(0, src) \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
710 : vec_add(vec_lvsl(8, src), vec_splat_u8(8))) |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
711 |
|
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Sam Lantinga <slouken@libsdl.org>
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|
712 |
|
1047
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Ryan C. Gordon <icculus@icculus.org>
parents:
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changeset
|
713 #define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
714 /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
715 vector unsigned short vtemp1 = vec_mule(vs, valpha); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
716 /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
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parents:
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diff
changeset
|
717 vector unsigned short vtemp2 = vec_mulo(vs, valpha); \ |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
718 /* valpha2 is 255-alpha */ \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
719 vector unsigned char valpha2 = vec_nor(valpha, valpha); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
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diff
changeset
|
720 /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \ |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
721 vector unsigned short vtemp3 = vec_mule(vd, valpha2); \ |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
722 /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
723 vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
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parents:
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diff
changeset
|
724 /* add source and dest */ \ |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
725 vtemp1 = vec_add(vtemp1, vtemp3); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
726 vtemp2 = vec_add(vtemp2, vtemp4); \ |
|
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parents:
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diff
changeset
|
727 /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \ |
|
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parents:
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diff
changeset
|
728 vtemp1 = vec_add(vtemp1, v1_16); \ |
|
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Altivec-optimized blitters!
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diff
changeset
|
729 vtemp3 = vec_sr(vtemp1, v8_16); \ |
|
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diff
changeset
|
730 vtemp1 = vec_add(vtemp1, vtemp3); \ |
|
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diff
changeset
|
731 /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \ |
|
ffaaf7ecf685
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changeset
|
732 vtemp2 = vec_add(vtemp2, v1_16); \ |
|
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Altivec-optimized blitters!
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diff
changeset
|
733 vtemp4 = vec_sr(vtemp2, v8_16); \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
734 vtemp2 = vec_add(vtemp2, vtemp4); \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
735 /* (>>8) and get ARGBARGBARGBARGB */ \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
736 vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \ |
|
ffaaf7ecf685
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diff
changeset
|
737 } while (0) |
|
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changeset
|
738 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
739 /* 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
|
740 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
|
741 calc_swizzle32(const SDL_PixelFormat * srcfmt, const SDL_PixelFormat * dstfmt) |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
742 { |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
743 /* |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
744 * 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
|
745 * 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
|
746 * 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
|
747 */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
748 /* ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
749 const static struct SDL_PixelFormat default_pixel_format = { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
750 NULL, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
751 0, 0, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
752 16, 8, 0, 24, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
753 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
|
754 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
|
755 }; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
756 if (!srcfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
757 srcfmt = &default_pixel_format; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
758 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
759 if (!dstfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
760 dstfmt = &default_pixel_format; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
761 } |
|
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
|
762 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
|
763 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
|
764 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
|
765 0x0C, 0x0C, 0x0C, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
766 0x0C); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
767 vector unsigned char vswiz; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
768 vector unsigned int srcvec; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
769 #define RESHIFT(X) (3 - ((X) >> 3)) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
770 Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
771 Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
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changeset
|
772 Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
773 Uint32 amask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
774 /* 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
|
775 if (dstfmt->Amask) { |
|
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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
|
776 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
|
777 ((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
|
778 Ashift); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
779 } 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
|
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 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
782 0xFFFFFFFF); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
783 } |
|
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 #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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diff
changeset
|
785 ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
786 vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
787 return (vswiz); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
788 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
789 |
|
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
|
790 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:
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diff
changeset
|
791 Blit32to565PixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
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Altivec-optimized blitters!
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parents:
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diff
changeset
|
792 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
793 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>
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changeset
|
794 Uint8 *src = (Uint8 *) info->s_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
795 int srcskip = info->s_skip; |
|
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
|
796 Uint8 *dst = (Uint8 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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|
797 int dstskip = info->d_skip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
798 SDL_PixelFormat *srcfmt = info->src; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
799 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
800 vector unsigned char v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
801 vector unsigned short v8_16 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
802 vector unsigned short v1_16 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
803 vector unsigned short v2_16 = vec_splat_u16(2); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
804 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
|
805 vector unsigned int v8_32 = vec_splat_u32(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
806 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.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
807 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
|
808 VECUINT16_LITERAL(0x003f, 0x003f, 0x003f, 0x003f, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
809 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:
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diff
changeset
|
810 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>
parents:
1795
diff
changeset
|
811 VECUINT16_LITERAL(0x00fc, 0x00fc, 0x00fc, 0x00fc, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
812 0x00fc, 0x00fc, 0x00fc, 0x00fc); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
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changeset
|
813 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
814 /* |
|
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
|
815 0x10 - 0x1f is the alpha |
|
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
|
816 0x00 - 0x0e evens are the red |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
817 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.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
818 */ |
|
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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
|
819 vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
820 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
|
821 0x10, 0x04, 0x01, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
822 0x10, 0x06, 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
|
823 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
|
824 vector unsigned char vredalpha2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
825 (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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changeset
|
826 vec_sl(v8_32, v16_32)) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
827 ); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
828 /* |
|
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
|
829 0x00 - 0x0f is ARxx ARxx ARxx ARxx |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
830 0x11 - 0x0f odds are blue |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
831 */ |
|
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
|
832 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
|
833 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>
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1795
diff
changeset
|
834 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
|
835 0x0c, 0x0d, 0x0e, 0x17); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
836 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
|
837 (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
|
838 ); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
839 /* |
|
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
|
840 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>
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1795
diff
changeset
|
841 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>
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diff
changeset
|
842 */ |
|
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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
|
843 vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03, |
|
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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
|
844 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:
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diff
changeset
|
845 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
|
846 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
|
847 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
|
848 (vector unsigned |
|
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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
|
849 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
|
850 ); |
|
c121d94672cb
SDL 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 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
|
852 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:
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diff
changeset
|
853 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
|
854 0x00, 0x1a, 0x00, 0x1e); |
|
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ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
855 vector unsigned char mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
856 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
|
857 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
|
858 vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
859 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
860 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
|
861 vf800 = vec_sl(vf800, vec_splat_u16(8)); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
862 |
|
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
|
863 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
864 int extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
865 vector unsigned char valigner; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
866 vector unsigned char vsrc; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
867 vector unsigned char voverflow; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
868 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
869 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
870 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
871 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
|
872 Uint32 Pixel; \ |
|
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ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
873 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
|
874 DISEMBLE_RGBA(src, 4, srcfmt, Pixel, sR, sG, sB, sA); \ |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
875 if(sA) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
876 unsigned short dstpixel = *((unsigned short *)dst); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
877 dR = (dstpixel >> 8) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
878 dG = (dstpixel >> 3) & 0xfc; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
879 dB = (dstpixel << 3) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
880 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
881 *((unsigned short *)dst) = ( \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
882 ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
883 ); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
884 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
885 src += 4; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
886 dst += 2; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
887 widthvar--; \ |
|
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 ONE_PIXEL_BLEND((UNALIGNED_PTR(dst)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
890 extrawidth = (width % 8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
891 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
|
892 vsrc = (vector unsigned char) vec_ld(0, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
893 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
894 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
895 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
896 vector unsigned char vsrc1, vsrc2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
897 vector unsigned char vdst1, vdst2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
898 vector unsigned short vR, vG, vB; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
899 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
900 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
901 /* 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
|
902 voverflow = (vector unsigned char) vec_ld(15, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
903 vsrc = vec_perm(vsrc, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
904 vsrc1 = vec_perm(vsrc, vsrc, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
905 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
|
906 vsrc = (vector unsigned char) vec_ld(15, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
907 voverflow = vec_perm(voverflow, vsrc, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
908 vsrc2 = vec_perm(voverflow, voverflow, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
909 src += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
910 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
911 /* Load 8 pixels from dst as XRGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
912 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
|
913 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
|
914 vB = vec_sl((vector unsigned short) voverflow, v3_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
915 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
|
916 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
|
917 (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
|
918 (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
|
919 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
|
920 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
|
921 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
|
922 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
|
923 (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
|
924 (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
|
925 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
|
926 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
|
927 vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
928 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
929 /* Alpha blend 8 pixels as ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
930 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
|
931 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
|
932 v8_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
933 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
|
934 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
|
935 v8_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
936 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
937 /* 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
|
938 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
|
939 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
|
940 (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
|
941 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
|
942 vgpixel = (vector unsigned short) vec_perm(vdst1, vdst2, vgmerge); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
943 vgpixel = vec_and(vgpixel, vfc); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
944 vgpixel = vec_sl(vgpixel, v3_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
945 vrpixel = vec_sl(vpixel, v1_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
946 vrpixel = vec_and(vrpixel, vf800); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
947 vbpixel = vec_and(vpixel, v3f); |
|
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c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
948 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
|
949 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
|
950 (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
|
951 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
|
952 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
953 /* Store 8 pixels */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
954 vec_st(vdst1, 0, dst); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
955 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
956 width -= 8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
957 dst += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
958 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
959 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
960 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
961 src += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
962 dst += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
963 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
964 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
965 |
|
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
|
966 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
|
967 Blit32to32SurfaceAlphaKeyAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
968 { |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
969 unsigned alpha = info->src->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
970 int height = info->d_height; |
|
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
|
971 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
972 int srcskip = info->s_skip >> 2; |
|
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
|
973 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
974 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
975 SDL_PixelFormat *srcfmt = info->src; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
976 SDL_PixelFormat *dstfmt = info->dst; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
977 unsigned sA = srcfmt->alpha; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
978 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
979 Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
980 Uint32 ckey = info->src->colorkey; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
981 vector unsigned char mergePermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
982 vector unsigned char vsrcPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
983 vector unsigned char vdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
984 vector unsigned char vsdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
985 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
986 vector unsigned char valphamask; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
987 vector unsigned char vbits; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
988 vector unsigned char v0; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
989 vector unsigned short v1; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
990 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
991 vector unsigned int vckey; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
992 vector unsigned int vrgbmask; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
993 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
994 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
995 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
996 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
997 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
998 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
999 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1000 valphamask = VEC_ALPHA_MASK(); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1001 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1002 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1003 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1004 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1005 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1006 /* set a vector full of alpha and 255-alpha */ |
|
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
|
1007 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1008 valpha = vec_splat(valpha, 0); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1009 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
1047
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1010 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1011 ckey &= rgbmask; |
|
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
|
1012 ((unsigned int *) (char *) &vckey)[0] = ckey; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1013 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.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1014 ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1015 vrgbmask = vec_splat(vrgbmask, 0); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1016 |
|
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
|
1017 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1018 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1019 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1020 while (condition) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1021 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1022 unsigned sR, sG, sB, dR, dG, dB; \ |
|
1162
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Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1023 RETRIEVE_RGB_PIXEL(((Uint8 *)srcp), 4, Pixel); \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1024 if(sA && Pixel != ckey) { \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1025 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1026 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1027 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1028 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1029 } \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1030 dstp++; \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1031 srcp++; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1032 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1033 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1034 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1035 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1036 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1037 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
|
1038 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1039 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1040 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1041 vector unsigned char vsel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1042 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1043 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1044 vector unsigned char vd_orig; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1045 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1046 /* s = *srcp */ |
|
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
|
1047 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1048 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.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1049 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1050 /* vsel is set for items that match the key */ |
|
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
|
1051 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
|
1052 (vector unsigned char) vec_and((vector unsigned int) vs, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1053 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
|
1054 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
|
1055 vsel, vckey); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1056 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1057 /* permute to source format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1058 vs = vec_perm(vs, valpha, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1059 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1060 /* d = *dstp */ |
|
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
|
1061 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1062 vd_orig = vd = vec_perm(vd, v0, vsdstPermute); |
|
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 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1065 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1066 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1067 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1068 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1069 /* mask out color key */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1070 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
|
1071 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1072 /* permute to dest format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1073 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1074 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1075 /* *dstp = res */ |
|
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
|
1076 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
|
1077 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1078 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1079 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1080 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1081 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1082 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1083 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1084 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1085 #undef ONE_PIXEL_BLEND |
|
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
|
1086 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1087 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1088 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1089 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1090 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1091 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1092 |
|
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
|
1093 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
|
1094 Blit32to32PixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1095 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1096 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1097 int height = info->d_height; |
|
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
|
1098 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1099 int srcskip = info->s_skip >> 2; |
|
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
|
1100 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1101 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1102 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1103 SDL_PixelFormat *dstfmt = info->dst; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1104 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1105 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1106 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1107 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1108 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1109 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1110 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1111 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1112 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1113 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1114 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1115 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1116 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1117 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1118 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1119 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
|
1120 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
|
1121 vpixelmask = vec_nor(valphamask, v0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1122 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1123 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1124 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1125 |
|
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
|
1126 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1127 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1128 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1129 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1130 unsigned sR, sG, sB, dR, dG, dB, sA, dA; \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1131 DISEMBLE_RGBA((Uint8 *)srcp, 4, srcfmt, Pixel, sR, sG, sB, sA); \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1132 if(sA) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1133 DISEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, Pixel, dR, dG, dB, dA); \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1134 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1135 ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1136 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1137 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1138 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1139 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1140 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1141 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1142 if (width > 0) { |
|
1487
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1143 /* vsrcPermute */ |
|
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1144 /* vdstPermute */ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1145 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1146 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
|
1147 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1148 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1149 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1150 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1151 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1152 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1153 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1154 /* s = *srcp */ |
|
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
|
1155 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1156 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1157 vs = vec_perm(vs, v0, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1158 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1159 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
|
1160 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1161 /* 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
|
1162 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1163 vd = vec_perm(vd, v0, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1164 vdstalpha = vec_and(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1165 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1166 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
1167 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1168 /* set the alpha to the dest alpha */ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1169 vd = vec_and(vd, vpixelmask); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1170 vd = vec_or(vd, vdstalpha); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1171 vd = vec_perm(vd, v0, vdstPermute); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1172 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1173 /* *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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changeset
|
1174 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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changeset
|
1175 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1176 srcp += 4; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1177 dstp += 4; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1178 width -= 4; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1179 vs = voverflow; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1180 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1181 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1182 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1183 } |
|
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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
|
1184 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:
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diff
changeset
|
1185 dstp += dstskip; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1186 #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>
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diff
changeset
|
1187 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1188 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1189 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1190 /* fast ARGB888->(A)RGB888 blending with pixel 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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diff
changeset
|
1191 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
|
1192 BlitRGBtoRGBPixelAlphaAltivec(SDL_BlitInfo * info) |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
1193 { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1194 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
|
1195 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
|
1196 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
|
1197 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
|
1198 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
|
1199 int dstskip = info->d_skip >> 2; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1200 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1201 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1202 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1203 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1204 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1205 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1206 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1207 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1208 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1209 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1210 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1211 valphamask = VEC_ALPHA_MASK(); |
|
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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
|
1212 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
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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
|
1213 |
|
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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
|
1214 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1215 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
|
1216 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1217 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1218 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1219 while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1220 Uint32 dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1221 Uint32 d; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1222 Uint32 s1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1223 Uint32 d1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1224 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1225 Uint32 alpha = s >> 24; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1226 if(alpha) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1227 if(alpha == SDL_ALPHA_OPAQUE) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1228 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1229 } else { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1230 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1231 dalpha = d & 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1232 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1233 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1234 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1235 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1236 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1237 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1238 *dstp = d1 | d | dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1239 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1240 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1241 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1242 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1243 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1244 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1245 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1246 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1247 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1248 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
|
1249 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1250 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1251 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1252 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1253 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1254 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1255 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1256 /* s = *srcp */ |
|
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
|
1257 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1258 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1259 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1260 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
|
1261 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1262 /* 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
|
1263 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1264 vdstalpha = vec_and(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1265 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1266 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1267 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1268 /* set the alpha to the dest alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1269 vd = vec_and(vd, vpixelmask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1270 vd = vec_or(vd, vdstalpha); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1271 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1272 /* *dstp = res */ |
|
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
|
1273 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
|
1274 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1275 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1276 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1277 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1278 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1279 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1280 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1281 } |
|
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
|
1282 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
|
1283 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
|
1284 } |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1285 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1286 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1287 |
|
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
|
1288 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
|
1289 Blit32to32SurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1290 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1291 /* XXX : 6 */ |
|
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 unsigned alpha = info->src->alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1293 int height = info->d_height; |
|
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
|
1294 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1295 int srcskip = info->s_skip >> 2; |
|
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 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1297 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1298 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1299 SDL_PixelFormat *dstfmt = info->dst; |
|
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 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
|
1301 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1302 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1303 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1304 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1305 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1306 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1307 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1308 vector unsigned char vbits; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1309 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1310 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1311 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1312 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1313 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1314 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1315 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1316 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1317 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1318 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1319 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1320 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1321 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1322 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1323 /* set a vector full of alpha and 255-alpha */ |
|
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
|
1324 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1325 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
|
1326 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1327 |
|
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 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1329 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1330 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1331 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1332 unsigned sR, sG, sB, dR, dG, dB; \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1333 DISEMBLE_RGB(((Uint8 *)srcp), 4, srcfmt, Pixel, sR, sG, sB); \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1334 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1335 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1336 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1337 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1338 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1339 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1340 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1341 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1342 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1343 int extrawidth = (width % 4); |
|
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
|
1344 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
|
1345 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1346 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1347 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1348 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1349 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1350 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1351 /* s = *srcp */ |
|
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
|
1352 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1353 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1354 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
|
1355 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1356 /* 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
|
1357 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1358 vd = vec_perm(vd, vd, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1359 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1360 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1361 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1362 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1363 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1364 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1365 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1366 /* *dstp = res */ |
|
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
|
1367 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
|
1368 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1369 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1370 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1371 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1372 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1373 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1374 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1375 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1376 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1377 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1378 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1379 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1380 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1381 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1382 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1383 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1384 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1385 /* fast RGB888->(A)RGB888 blending */ |
|
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
|
1386 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
|
1387 BlitRGBtoRGBSurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1388 { |
|
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
|
1389 unsigned alpha = info->src->alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1390 int height = info->d_height; |
|
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
|
1391 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1392 int srcskip = info->s_skip >> 2; |
|
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 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1394 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1395 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1396 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1397 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1398 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1399 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1400 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1401 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1402 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1403 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1404 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1405 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1406 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1407 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1408 /* set a vector full of alpha and 255-alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1409 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1410 valpha = vec_splat(valpha, 0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1411 |
|
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
|
1412 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1413 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1414 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1415 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1416 Uint32 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1417 Uint32 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1418 Uint32 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1419 d1 = (d1 + ((s1 - d1) * alpha >> 8)) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1420 & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1421 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1422 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1423 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1424 *dstp = d1 | d | 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1425 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1426 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1427 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1428 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1429 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1430 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1431 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1432 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
|
1433 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1434 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1435 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1436 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1437 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1438 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1439 /* s = *srcp */ |
|
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
|
1440 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1441 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
|
1442 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1443 /* 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
|
1444 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1445 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1446 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1447 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1448 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1449 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1450 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1451 /* *dstp = res */ |
|
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
|
1452 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
|
1453 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1454 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1455 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1456 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1457 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1458 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1459 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1460 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1461 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1462 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1463 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1464 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1465 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1466 } |
|
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
|
1467 |
| 1795 | 1468 #if __MWERKS__ |
| 1469 #pragma altivec_model off | |
| 1470 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1471 #endif /* SDL_ALTIVEC_BLITTERS */ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1472 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1473 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
|
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
|
1474 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
|
1475 BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo * info) |
| 0 | 1476 { |
|
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
|
1477 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
|
1478 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
|
1479 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
|
1480 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
|
1481 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
|
1482 int dstskip = info->d_skip >> 2; |
| 0 | 1483 |
|
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
|
1484 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
|
1485 /* *INDENT-OFF* */ |
| 0 | 1486 DUFFS_LOOP4({ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1487 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1488 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1489 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1490 + (s & d & 0x00010101)) | 0xff000000; |
| 0 | 1491 }, 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
|
1492 /* *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
|
1493 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
|
1494 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
|
1495 } |
| 0 | 1496 } |
| 1497 | |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1498 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
|
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
|
1499 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
|
1500 BlitRGBtoRGBSurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1501 { |
|
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
|
1502 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
|
1503 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
|
1504 BlitRGBtoRGBSurfaceAlpha128(info); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1505 } 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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|
1506 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>
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1795
diff
changeset
|
1507 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
|
1508 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
|
1509 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
|
1510 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
|
1511 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
|
1512 Uint32 s; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1513 Uint32 d; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1514 Uint32 s1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1515 Uint32 d1; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1516 |
|
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
|
1517 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1518 /* *INDENT-OFF* */ |
|
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|
1519 DUFFS_LOOP_DOUBLE2({ |
|
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|
1520 /* One Pixel Blend */ |
|
1
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1521 s = *srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1522 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1523 s1 = s & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1524 d1 = d & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1525 d1 = (d1 + ((s1 - d1) * alpha >> 8)) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1526 & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1527 s &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1528 d &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1529 d = (d + ((s - d) * alpha >> 8)) & 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1530 *dstp = d1 | d | 0xff000000; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1531 ++srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1532 ++dstp; |
|
689
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|
1533 },{ |
|
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changeset
|
1534 /* Two Pixels Blend */ |
|
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|
1535 s = *srcp; |
|
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297
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|
1536 d = *dstp; |
|
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297
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|
1537 s1 = s & 0xff00ff; |
|
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|
1538 d1 = d & 0xff00ff; |
|
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297
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|
1539 d1 += (s1 - d1) * alpha >> 8; |
|
5bb080d35049
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|
1540 d1 &= 0xff00ff; |
|
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|
1541 |
|
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|
1542 s = ((s & 0xff00) >> 8) | |
|
5bb080d35049
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297
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|
1543 ((srcp[1] & 0xff00) << 8); |
|
5bb080d35049
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Sam Lantinga <slouken@libsdl.org>
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297
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|
1544 d = ((d & 0xff00) >> 8) | |
|
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297
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|
1545 ((dstp[1] & 0xff00) << 8); |
|
5bb080d35049
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297
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|
1546 d += (s - d) * alpha >> 8; |
|
5bb080d35049
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297
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|
1547 d &= 0x00ff00ff; |
|
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|
1548 |
|
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|
1549 *dstp++ = d1 | ((d << 8) & 0xff00) | 0xff000000; |
|
5bb080d35049
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|
1550 ++srcp; |
|
5bb080d35049
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|
1551 |
|
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|
1552 s1 = *srcp; |
|
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|
1553 d1 = *dstp; |
|
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|
1554 s1 &= 0xff00ff; |
|
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|
1555 d1 &= 0xff00ff; |
|
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changeset
|
1556 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1557 d1 &= 0xff00ff; |
|
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|
1558 |
|
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|
1559 *dstp = d1 | ((d >> 8) & 0xff00) | 0xff000000; |
|
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|
1560 ++srcp; |
|
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changeset
|
1561 ++dstp; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1562 }, width); |
|
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
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changeset
|
1563 /* *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
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changeset
|
1564 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:
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diff
changeset
|
1565 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1566 } |
|
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
|
1567 } |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1568 } |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1569 |
| 0 | 1570 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1571 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
|
1572 BlitRGBtoRGBPixelAlpha(SDL_BlitInfo * info) |
| 0 | 1573 { |
|
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
|
1574 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
|
1575 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
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changeset
|
1576 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
|
1577 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
|
1578 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
|
1579 int dstskip = info->d_skip >> 2; |
| 0 | 1580 |
|
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
|
1581 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
|
1582 /* *INDENT-OFF* */ |
| 0 | 1583 DUFFS_LOOP4({ |
| 1584 Uint32 dalpha; | |
| 1585 Uint32 d; | |
| 1586 Uint32 s1; | |
| 1587 Uint32 d1; | |
| 1588 Uint32 s = *srcp; | |
| 1589 Uint32 alpha = s >> 24; | |
| 1590 /* FIXME: Here we special-case opaque alpha since the | |
| 1591 compositioning used (>>8 instead of /255) doesn't handle | |
| 1592 it correctly. Also special-case alpha=0 for speed? | |
| 1593 Benchmark this! */ | |
|
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297
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changeset
|
1594 if(alpha) { |
|
5bb080d35049
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297
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|
1595 if(alpha == SDL_ALPHA_OPAQUE) { |
| 0 | 1596 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); |
|
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changeset
|
1597 } else { |
| 0 | 1598 /* |
| 1599 * take out the middle component (green), and process | |
| 1600 * the other two in parallel. One multiply less. | |
| 1601 */ | |
| 1602 d = *dstp; | |
| 1603 dalpha = d & 0xff000000; | |
| 1604 s1 = s & 0xff00ff; | |
| 1605 d1 = d & 0xff00ff; | |
| 1606 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; | |
| 1607 s &= 0xff00; | |
| 1608 d &= 0xff00; | |
| 1609 d = (d + ((s - d) * alpha >> 8)) & 0xff00; | |
| 1610 *dstp = d1 | d | dalpha; | |
|
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|
1611 } |
| 0 | 1612 } |
| 1613 ++srcp; | |
| 1614 ++dstp; | |
| 1615 }, 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
|
1616 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1617 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1618 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:
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changeset
|
1619 } |
| 0 | 1620 } |
| 1621 | |
| 1542 | 1622 #if GCC_ASMBLIT |
|
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|
1623 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ |
| 2038 | 1624 static void |
|
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
|
1625 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
|
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|
1626 { |
|
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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
|
1627 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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changeset
|
1628 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
|
1629 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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changeset
|
1630 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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diff
changeset
|
1631 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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changeset
|
1632 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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1795
diff
changeset
|
1633 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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1795
diff
changeset
|
1634 Uint32 amask = sf->Amask; |
|
2074
9e6dc39f48b6
Merged r2913:2914 from SDL-1.2 branch into trunk: alpha blit GCC MMX asm fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2038
diff
changeset
|
1635 Uint32 ashift = sf->Ashift; |
|
689
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|
1636 |
|
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
|
1637 __asm__( |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1638 /* 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>
parents:
1795
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changeset
|
1639 "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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|
1640 /* Make a mask to preserve the 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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|
1641 "movd %0, %%mm7\n\t" /* 0000F000 -> mm7 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1642 "punpcklbw %%mm7, %%mm7\n\t" /* FF000000 -> mm7 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1643 "pcmpeqb %%mm4, %%mm4\n\t" /* FFFFFFFF -> mm4 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1644 "movq %%mm4, %%mm3\n\t" /* FFFFFFFF -> mm3 (for later) */ |
|
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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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|
1645 "pxor %%mm4, %%mm7\n\t" /* 00FFFFFF -> mm7 (mult mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1646 /* form channel masks */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1647 "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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|
1648 "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.
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1795
diff
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|
1649 "packsswb %%mm6, %%mm3\n\t" /* 0000FFFF -> mm3 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1650 "pxor %%mm4, %%mm3\n\t" /* 0000F000 -> mm3 (~channel mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1651 /* get alpha channel shift */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1652 "movd %1, %%mm5\n\t" /* Ashift -> mm5 */ |
|
2074
9e6dc39f48b6
Merged r2913:2914 from SDL-1.2 branch into trunk: alpha blit GCC MMX asm fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2038
diff
changeset
|
1653 : /* nothing */ : "m"(amask), "m"(ashift)); |
|
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|
1654 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1655 while (height--) { |
| 1542 | 1656 |
|
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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|
1657 /* *INDENT-OFF* */ |
|
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|
1658 DUFFS_LOOP4({ |
| 1542 | 1659 Uint32 alpha; |
|
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|
1660 |
|
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|
1661 __asm__ ( |
|
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|
1662 "prefetch 64(%0)\n" |
|
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|
1663 "prefetch 64(%1)\n" |
|
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|
1664 : : "r" (srcp), "r" (dstp) ); |
|
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|
1665 |
| 1542 | 1666 alpha = *srcp & amask; |
|
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|
1667 /* FIXME: Here we special-case opaque alpha since the |
|
5bb080d35049
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|
1668 compositioning used (>>8 instead of /255) doesn't handle |
|
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|
1669 it correctly. Also special-case alpha=0 for speed? |
|
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|
1670 Benchmark this! */ |
| 1542 | 1671 if(alpha == 0) { |
| 1672 /* do nothing */ | |
| 1673 } | |
| 1674 else if(alpha == amask) { | |
| 1675 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 1676 /* using MMX here to free up regular registers for other things */ | |
| 1677 __asm__ ( | |
| 1678 "movd (%0), %%mm0\n\t" /* src(ARGB) -> mm0 (0000ARGB)*/ | |
| 1679 "movd (%1), %%mm1\n\t" /* dst(ARGB) -> mm1 (0000ARGB)*/ | |
| 1680 "pand %%mm4, %%mm0\n\t" /* src & chanmask -> mm0 */ | |
| 1681 "pand %%mm3, %%mm1\n\t" /* dst & ~chanmask -> mm2 */ | |
| 1682 "por %%mm0, %%mm1\n\t" /* src | dst -> mm1 */ | |
| 1683 "movd %%mm1, (%1) \n\t" /* mm1 -> dst */ | |
| 1684 | |
| 1685 : : "r" (srcp), "r" (dstp) ); | |
|
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|
1686 } |
|
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|
1687 |
|
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|
1688 else { |
|
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|
1689 __asm__ ( |
|
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|
1690 /* load in the source, and dst. */ |
|
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|
1691 "movd (%0), %%mm0\n" /* mm0(s) = 0 0 0 0 | As Rs Gs Bs */ |
|
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|
1692 "movd (%1), %%mm1\n" /* mm1(d) = 0 0 0 0 | Ad Rd Gd Bd */ |
|
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|
1693 |
|
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|
1694 /* Move the src alpha into mm2 */ |
|
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|
1695 |
|
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|
1696 /* if supporting pshufw */ |
|
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|
1697 /*"pshufw $0x55, %%mm0, %%mm2\n" */ /* mm2 = 0 As 0 As | 0 As 0 As */ |
|
5bb080d35049
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|
1698 /*"psrlw $8, %%mm2\n" */ |
|
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|
1699 |
|
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|
1700 /* else: */ |
| 1542 | 1701 "movd %2, %%mm2\n" |
| 1702 "psrld %%mm5, %%mm2\n" /* mm2 = 0 0 0 0 | 0 0 0 As */ | |
|
689
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|
1703 "punpcklwd %%mm2, %%mm2\n" /* mm2 = 0 0 0 0 | 0 As 0 As */ |
|
5bb080d35049
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|
1704 "punpckldq %%mm2, %%mm2\n" /* mm2 = 0 As 0 As | 0 As 0 As */ |
| 1542 | 1705 "pand %%mm7, %%mm2\n" /* to preserve dest alpha */ |
|
689
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|
1706 |
|
5bb080d35049
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|
1707 /* move the colors into words. */ |
|
5bb080d35049
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|
1708 "punpcklbw %%mm6, %%mm0\n" /* mm0 = 0 As 0 Rs | 0 Gs 0 Bs */ |
|
5bb080d35049
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|
1709 "punpcklbw %%mm6, %%mm1\n" /* mm0 = 0 Ad 0 Rd | 0 Gd 0 Bd */ |
|
5bb080d35049
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|
1710 |
|
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|
1711 /* src - dst */ |
|
5bb080d35049
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|
1712 "psubw %%mm1, %%mm0\n" /* mm0 = As-Ad Rs-Rd | Gs-Gd Bs-Bd */ |
|
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|
1713 |
|
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297
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|
1714 /* A * (src-dst) */ |
| 1542 | 1715 "pmullw %%mm2, %%mm0\n" /* mm0 = 0*As-d As*Rs-d | As*Gs-d As*Bs-d */ |
| 1716 "psrlw $8, %%mm0\n" /* mm0 = 0>>8 Rc>>8 | Gc>>8 Bc>>8 */ | |
| 1717 "paddb %%mm1, %%mm0\n" /* mm0 = 0+Ad Rc+Rd | Gc+Gd Bc+Bd */ | |
|
689
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|
1718 |
|
5bb080d35049
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|
1719 "packuswb %%mm0, %%mm0\n" /* mm0 = | Ac Rc Gc Bc */ |
|
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|
1720 |
|
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|
1721 "movd %%mm0, (%1)\n" /* result in mm0 */ |
|
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|
1722 |
| 1542 | 1723 : : "r" (srcp), "r" (dstp), "r" (alpha) ); |
|
689
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|
1724 |
|
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|
1725 } |
|
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|
1726 ++srcp; |
|
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|
1727 ++dstp; |
|
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diff
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|
1728 }, 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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|
1729 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1730 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1731 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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|
1732 } |
|
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|
1733 |
|
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|
1734 __asm__("emms\n":); |
|
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|
1735 } |
|
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|
1736 |
| 1542 | 1737 /* End GCC_ASMBLIT*/ |
| 1738 | |
| 1739 #elif MSVC_ASMBLIT | |
| 1740 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1741 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1742 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
| 1542 | 1743 { |
|
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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|
1744 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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|
1745 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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|
1746 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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|
1747 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
|
1748 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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1795
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|
1749 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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|
1750 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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1795
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changeset
|
1751 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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|
1752 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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|
1753 Uint32 ashift = sf->Ashift; |
|
c121d94672cb
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changeset
|
1754 Uint64 multmask; |
| 1542 | 1755 |
|
1895
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|
1756 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
| 1542 | 1757 |
|
1895
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|
1758 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.
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|
1759 /* *INDENT-OFF* */ |
|
c121d94672cb
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|
1760 multmask = ~(0xFFFFI64 << (ashift * 2)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
diff
changeset
|
1761 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1762 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1763 |
|
c121d94672cb
SDL 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 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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parents:
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|
1765 /* *INDENT-OFF* */ |
| 1542 | 1766 DUFFS_LOOP4({ |
| 1767 Uint32 alpha; | |
| 1768 | |
| 1769 _m_prefetch(srcp + 16); | |
| 1770 _m_prefetch(dstp + 16); | |
| 1771 | |
| 1772 alpha = *srcp & amask; | |
| 1773 if (alpha == 0) { | |
| 1774 /* do nothing */ | |
| 1775 } else if (alpha == amask) { | |
| 1776 /* copy RGB, keep dst alpha */ | |
| 1777 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 1778 } else { | |
| 1779 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 1780 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 1781 | |
| 1782 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 1783 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 1784 | |
| 1785 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 1786 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 1787 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 1788 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 1789 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 1790 | |
| 1791 /* blend */ | |
| 1792 src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */ | |
| 1793 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */ | |
| 1794 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 1795 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */ | |
| 1796 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 1797 | |
| 1798 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 1799 } | |
| 1800 ++srcp; | |
| 1801 ++dstp; | |
| 1802 }, width); | |
|
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|
1803 /* *INDENT-ON* */ |
|
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|
1804 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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|
1805 dstp += dstskip; |
|
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|
1806 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1807 _mm_empty(); |
| 1542 | 1808 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1809 |
| 1542 | 1810 /* End MSVC_ASMBLIT */ |
| 1811 | |
| 1812 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
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1813 |
|
1
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Changes since SDL 1.2.0 release
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|
1814 /* 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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|
1815 |
|
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Changes since SDL 1.2.0 release
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|
1816 /* 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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|
1817 #define BLEND16_50(d, s, mask) \ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
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|
1818 ((((s & mask) + (d & mask)) >> 1) + (s & d & (~mask & 0xffff))) |
|
cf2af46e9e2a
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Sam Lantinga <slouken@lokigames.com>
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|
1819 |
|
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|
1820 /* blend two 16 bit pixels at 50% */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1821 #define BLEND2x16_50(d, s, mask) \ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
changeset
|
1822 (((s & (mask | mask << 16)) >> 1) + ((d & (mask | mask << 16)) >> 1) \ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1823 + (s & d & (~(mask | mask << 16)))) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1824 |
|
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c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1825 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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|
1826 Blit16to16SurfaceAlpha128(SDL_BlitInfo * info, Uint16 mask) |
| 0 | 1827 { |
|
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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|
1828 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>
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|
1829 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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|
1830 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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|
1831 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
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|
1832 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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|
1833 int dstskip = info->d_skip >> 1; |
| 0 | 1834 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1835 while (height--) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1836 if (((uintptr_t) srcp ^ (uintptr_t) dstp) & 2) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1837 /* |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1838 * Source and destination not aligned, pipeline it. |
|
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|
1839 * This is mostly a win for big blits but no loss for |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1840 * small ones |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1841 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1842 Uint32 prev_sw; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1843 int w = width; |
|
1
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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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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|
1845 /* handle odd destination */ |
|
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|
1846 if ((uintptr_t) dstp & 2) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1847 Uint16 d = *dstp, s = *srcp; |
|
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|
1848 *dstp = BLEND16_50(d, s, mask); |
|
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|
1849 dstp++; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1850 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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|
1851 w--; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1852 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1853 srcp++; /* srcp is now 32-bit aligned */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1854 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1855 /* bootstrap pipeline with first halfword */ |
|
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changeset
|
1856 prev_sw = ((Uint32 *) srcp)[-1]; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1857 |
|
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|
1858 while (w > 1) { |
|
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Sam Lantinga <slouken@libsdl.org>
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|
1859 Uint32 sw, dw, s; |
|
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Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1860 sw = *(Uint32 *) srcp; |
|
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Sam Lantinga <slouken@libsdl.org>
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|
1861 dw = *(Uint32 *) dstp; |
|
1443
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Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1862 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
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|
1863 s = (prev_sw << 16) + (sw >> 16); |
|
1443
9ebbbb4ae53b
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|
1864 #else |
|
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|
1865 s = (prev_sw >> 16) + (sw << 16); |
|
1443
9ebbbb4ae53b
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|
1866 #endif |
|
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|
1867 prev_sw = sw; |
|
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|
1868 *(Uint32 *) dstp = BLEND2x16_50(dw, s, mask); |
|
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|
1869 dstp += 2; |
|
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|
1870 srcp += 2; |
|
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|
1871 w -= 2; |
|
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|
1872 } |
|
1
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|
1873 |
|
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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 /* final pixel if any */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1875 if (w) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1876 Uint16 d = *dstp, s; |
|
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
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|
1877 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
1895
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|
1878 s = (Uint16) prev_sw; |
|
1443
9ebbbb4ae53b
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|
1879 #else |
|
1895
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|
1880 s = (Uint16) (prev_sw >> 16); |
|
1443
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Fixed some OpenWatcom warnings
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|
1881 #endif |
|
1895
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|
1882 *dstp = BLEND16_50(d, s, mask); |
|
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|
1883 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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|
1884 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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|
1885 } |
|
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|
1886 srcp += srcskip - 1; |
|
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|
1887 dstp += dstskip; |
|
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|
1888 } 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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|
1889 /* source and destination are aligned */ |
|
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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
|
1890 int w = width; |
|
1
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Changes since SDL 1.2.0 release
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|
1891 |
|
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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|
1892 /* first odd pixel? */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1893 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
|
1894 Uint16 d = *dstp, s = *srcp; |
|
c121d94672cb
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diff
changeset
|
1895 *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
|
1896 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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changeset
|
1897 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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1898 w--; |
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1899 } |
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1900 /* srcp and dstp are now 32-bit aligned */ |
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1901 |
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1902 while (w > 1) { |
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1903 Uint32 sw = *(Uint32 *) srcp; |
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1904 Uint32 dw = *(Uint32 *) dstp; |
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1905 *(Uint32 *) dstp = BLEND2x16_50(dw, sw, mask); |
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1906 srcp += 2; |
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1907 dstp += 2; |
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1908 w -= 2; |
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1909 } |
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1910 |
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1911 /* last odd pixel? */ |
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1912 if (w) { |
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1913 Uint16 d = *dstp, s = *srcp; |
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1914 *dstp = BLEND16_50(d, s, mask); |
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1915 srcp++; |
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1916 dstp++; |
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1917 } |
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1918 srcp += srcskip; |
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1919 dstp += dstskip; |
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1920 } |
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1921 } |
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1922 } |
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1923 |
| 1542 | 1924 #if GCC_ASMBLIT |
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1925 /* fast RGB565->RGB565 blending with surface alpha */ |
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1926 static void |
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1927 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
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1928 { |
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1929 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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1930 if (alpha == 128) { |
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1931 Blit16to16SurfaceAlpha128(info, 0xf7de); |
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1932 } else { |
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1933 int width = info->d_width; |
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1934 int height = info->d_height; |
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1935 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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1936 int srcskip = info->s_skip >> 1; |
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1937 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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1938 int dstskip = info->d_skip >> 1; |
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1939 Uint32 s, d; |
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1940 Uint8 load[8]; |
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1941 |
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1942 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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1943 *(Uint64 *) load = alpha; |
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1944 alpha >>= 3; /* downscale alpha to 5 bits */ |
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1945 |
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1946 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
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1947 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
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1948 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
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1949 /* position alpha to allow for mullo and mulhi on diff channels |
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1950 to reduce the number of operations */ |
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1951 psllq_i2r(3, mm0); |
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1952 |
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1953 /* Setup the 565 color channel masks */ |
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1954 *(Uint64 *) load = 0x07E007E007E007E0ULL; |
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1955 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
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1956 *(Uint64 *) load = 0x001F001F001F001FULL; |
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1957 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
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1958 while (height--) { |
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1959 /* *INDENT-OFF* */ |
| 1542 | 1960 DUFFS_LOOP_QUATRO2( |
| 1961 { | |
| 1962 s = *srcp++; | |
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1963 d = *dstp; |
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1964 /* |
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1965 * shift out the middle component (green) to |
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1966 * the high 16 bits, and process all three RGB |
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1967 * components at the same time. |
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1968 */ |
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1969 s = (s | s << 16) & 0x07e0f81f; |
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1970 d = (d | d << 16) & 0x07e0f81f; |
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1971 d += (s - d) * alpha >> 5; |
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1972 d &= 0x07e0f81f; |
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1973 *dstp++ = d | d >> 16; |
| 1542 | 1974 },{ |
| 1975 s = *srcp++; | |
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1976 d = *dstp; |
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1977 /* |
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1978 * shift out the middle component (green) to |
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1979 * the high 16 bits, and process all three RGB |
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1980 * components at the same time. |
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1981 */ |
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1982 s = (s | s << 16) & 0x07e0f81f; |
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1983 d = (d | d << 16) & 0x07e0f81f; |
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1984 d += (s - d) * alpha >> 5; |
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1985 d &= 0x07e0f81f; |
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1986 *dstp++ = d | d >> 16; |
| 1542 | 1987 s = *srcp++; |
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1988 d = *dstp; |
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1989 /* |
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1990 * shift out the middle component (green) to |
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1991 * the high 16 bits, and process all three RGB |
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1992 * components at the same time. |
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1993 */ |
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1994 s = (s | s << 16) & 0x07e0f81f; |
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1995 d = (d | d << 16) & 0x07e0f81f; |
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1996 d += (s - d) * alpha >> 5; |
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1997 d &= 0x07e0f81f; |
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1998 *dstp++ = d | d >> 16; |
| 1542 | 1999 },{ |
| 2000 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2001 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2002 | |
| 2003 /* red -- does not need a mask since the right shift clears | |
| 2004 the uninteresting bits */ | |
| 2005 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2006 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2007 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 [000r 000r 000r 000r] */ | |
| 2008 psrlw_i2r(11, mm6); /* mm6 >> 11 -> mm6 [000r 000r 000r 000r] */ | |
| 2009 | |
| 2010 /* blend */ | |
| 2011 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2012 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2013 /* alpha used is actually 11 bits | |
| 2014 11 + 5 = 16 bits, so the sign bits are lost */ | |
| 2015 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2016 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2017 psllw_i2r(11, mm6); /* mm6 << 11 -> mm6 */ | |
| 2018 | |
| 2019 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2020 | |
| 2021 /* green -- process the bits in place */ | |
| 2022 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2023 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2024 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2025 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2026 | |
| 2027 /* blend */ | |
| 2028 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2029 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2030 /* 11 + 11 - 16 = 6 bits, so all the lower uninteresting | |
| 2031 bits are gone and the sign bits present */ | |
| 2032 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2033 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2034 | |
| 2035 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2036 | |
| 2037 /* blue */ | |
| 2038 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2039 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2040 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2041 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2042 | |
| 2043 /* blend */ | |
| 2044 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2045 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2046 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2047 the interesting bits will need to be MASKed */ | |
| 2048 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2049 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2050 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2051 | |
| 2052 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2053 | |
| 2054 movq_r2m(mm1, *dstp); /* mm1 -> 4 dst pixels */ | |
| 2055 | |
| 2056 srcp += 4; | |
| 2057 dstp += 4; | |
| 2058 }, width); | |
|
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2059 /* *INDENT-ON* */ |
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2060 srcp += srcskip; |
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2061 dstp += dstskip; |
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2062 } |
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2063 emms(); |
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2064 } |
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2065 } |
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2066 |
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2067 /* fast RGB555->RGB555 blending with surface alpha */ |
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2068 static void |
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2069 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
|
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2070 { |
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2071 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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2072 if (alpha == 128) { |
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2073 Blit16to16SurfaceAlpha128(info, 0xfbde); |
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2074 } else { |
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2075 int width = info->d_width; |
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2076 int height = info->d_height; |
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2077 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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2078 int srcskip = info->s_skip >> 1; |
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2079 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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2080 int dstskip = info->d_skip >> 1; |
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2081 Uint32 s, d; |
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2082 Uint8 load[8]; |
|
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2083 |
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2084 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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2085 *(Uint64 *) load = alpha; |
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2086 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2087 |
|
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2088 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
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2089 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
|
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|
2090 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
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2091 /* position alpha to allow for mullo and mulhi on diff channels |
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|
2092 to reduce the number of operations */ |
|
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|
2093 psllq_i2r(3, mm0); |
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2094 |
|
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|
2095 /* Setup the 555 color channel masks */ |
|
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|
2096 *(Uint64 *) load = 0x03E003E003E003E0ULL; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2097 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
|
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|
2098 *(Uint64 *) load = 0x001F001F001F001FULL; |
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2099 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
|
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2100 while (height--) { |
|
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|
2101 /* *INDENT-OFF* */ |
| 1542 | 2102 DUFFS_LOOP_QUATRO2( |
| 2103 { | |
| 2104 s = *srcp++; | |
|
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2105 d = *dstp; |
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2106 /* |
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|
2107 * shift out the middle component (green) to |
|
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|
2108 * the high 16 bits, and process all three RGB |
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2109 * components at the same time. |
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2110 */ |
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2111 s = (s | s << 16) & 0x03e07c1f; |
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2112 d = (d | d << 16) & 0x03e07c1f; |
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2113 d += (s - d) * alpha >> 5; |
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2114 d &= 0x03e07c1f; |
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2115 *dstp++ = d | d >> 16; |
| 1542 | 2116 },{ |
| 2117 s = *srcp++; | |
|
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2118 d = *dstp; |
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2119 /* |
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2120 * shift out the middle component (green) to |
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2121 * the high 16 bits, and process all three RGB |
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2122 * components at the same time. |
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2123 */ |
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2124 s = (s | s << 16) & 0x03e07c1f; |
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2125 d = (d | d << 16) & 0x03e07c1f; |
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2126 d += (s - d) * alpha >> 5; |
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2127 d &= 0x03e07c1f; |
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2128 *dstp++ = d | d >> 16; |
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2129 s = *srcp++; |
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2130 d = *dstp; |
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2131 /* |
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2132 * shift out the middle component (green) to |
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2133 * the high 16 bits, and process all three RGB |
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2134 * components at the same time. |
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2135 */ |
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2136 s = (s | s << 16) & 0x03e07c1f; |
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2137 d = (d | d << 16) & 0x03e07c1f; |
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2138 d += (s - d) * alpha >> 5; |
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2139 d &= 0x03e07c1f; |
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2140 *dstp++ = d | d >> 16; |
| 1542 | 2141 },{ |
| 2142 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2143 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2144 | |
| 2145 /* red -- process the bits in place */ | |
| 2146 psllq_i2r(5, mm4); /* turn MASKGREEN into MASKRED */ | |
| 2147 /* by reusing the GREEN mask we free up another mmx | |
| 2148 register to accumulate the result */ | |
| 2149 | |
| 2150 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2151 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2152 pand_r2r(mm4, mm5); /* src & MASKRED -> mm5 */ | |
| 2153 pand_r2r(mm4, mm6); /* dst & MASKRED -> mm6 */ | |
| 2154 | |
| 2155 /* blend */ | |
| 2156 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2157 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2158 /* 11 + 15 - 16 = 10 bits, uninteresting bits will be | |
| 2159 cleared by a MASK below */ | |
| 2160 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2161 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2162 pand_r2r(mm4, mm6); /* mm6 & MASKRED -> mm6 */ | |
| 2163 | |
| 2164 psrlq_i2r(5, mm4); /* turn MASKRED back into MASKGREEN */ | |
| 2165 | |
| 2166 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2167 | |
| 2168 /* green -- process the bits in place */ | |
| 2169 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2170 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2171 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2172 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2173 | |
| 2174 /* blend */ | |
| 2175 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2176 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2177 /* 11 + 10 - 16 = 5 bits, so all the lower uninteresting | |
| 2178 bits are gone and the sign bits present */ | |
| 2179 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2180 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2181 | |
| 2182 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2183 | |
| 2184 /* blue */ | |
| 2185 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2186 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2187 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2188 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2189 | |
| 2190 /* blend */ | |
| 2191 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2192 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2193 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2194 the interesting bits will need to be MASKed */ | |
| 2195 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2196 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2197 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2198 | |
| 2199 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2200 | |
| 2201 movq_r2m(mm1, *dstp);/* mm1 -> 4 dst pixels */ | |
| 2202 | |
| 2203 srcp += 4; | |
| 2204 dstp += 4; | |
|
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2205 }, width); |
|
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2206 /* *INDENT-ON* */ |
|
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2207 srcp += srcskip; |
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|
2208 dstp += dstskip; |
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2209 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2210 emms(); |
|
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2211 } |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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2212 } |
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|
2213 |
| 1542 | 2214 /* End GCC_ASMBLIT */ |
| 2215 | |
| 2216 #elif MSVC_ASMBLIT | |
| 2217 /* fast RGB565->RGB565 blending with surface alpha */ | |
|
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|
2218 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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|
2219 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2220 { |
|
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|
2221 unsigned alpha = info->src->alpha; |
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|
2222 if (alpha == 128) { |
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|
2223 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
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2224 } else { |
|
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|
2225 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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|
2226 int height = info->d_height; |
|
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|
2227 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.
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|
2228 int srcskip = info->s_skip >> 1; |
|
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|
2229 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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|
2230 int dstskip = info->d_skip >> 1; |
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2231 Uint32 s, d; |
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2232 |
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2233 __m64 src1, dst1, src2, dst2, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2234 |
|
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2235 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
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2236 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
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|
2237 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2238 |
|
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2239 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
|
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|
2240 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
|
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2241 /* position alpha to allow for mullo and mulhi on diff channels |
|
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|
2242 to reduce the number of operations */ |
|
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|
2243 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
|
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2244 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2245 /* Setup the 565 color channel masks */ |
|
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|
2246 gmask = _mm_set_pi32(0x07E007E0, 0x07E007E0); /* MASKGREEN -> gmask */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2247 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
|
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|
2248 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2249 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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|
2250 /* *INDENT-OFF* */ |
| 1542 | 2251 DUFFS_LOOP_QUATRO2( |
| 2252 { | |
| 2253 s = *srcp++; | |
| 2254 d = *dstp; | |
| 2255 /* | |
| 2256 * shift out the middle component (green) to | |
| 2257 * the high 16 bits, and process all three RGB | |
| 2258 * components at the same time. | |
| 2259 */ | |
| 2260 s = (s | s << 16) & 0x07e0f81f; | |
| 2261 d = (d | d << 16) & 0x07e0f81f; | |
| 2262 d += (s - d) * alpha >> 5; | |
| 2263 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2264 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2265 },{ |
| 2266 s = *srcp++; | |
| 2267 d = *dstp; | |
| 2268 /* | |
| 2269 * shift out the middle component (green) to | |
| 2270 * the high 16 bits, and process all three RGB | |
| 2271 * components at the same time. | |
| 2272 */ | |
| 2273 s = (s | s << 16) & 0x07e0f81f; | |
| 2274 d = (d | d << 16) & 0x07e0f81f; | |
| 2275 d += (s - d) * alpha >> 5; | |
| 2276 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2277 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2278 s = *srcp++; |
| 2279 d = *dstp; | |
| 2280 /* | |
| 2281 * shift out the middle component (green) to | |
| 2282 * the high 16 bits, and process all three RGB | |
| 2283 * components at the same time. | |
| 2284 */ | |
| 2285 s = (s | s << 16) & 0x07e0f81f; | |
| 2286 d = (d | d << 16) & 0x07e0f81f; | |
| 2287 d += (s - d) * alpha >> 5; | |
| 2288 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2289 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2290 },{ |
| 2291 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2292 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2293 | |
| 2294 /* red */ | |
| 2295 src2 = src1; | |
| 2296 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 [000r 000r 000r 000r] */ | |
| 2297 | |
| 2298 dst2 = dst1; | |
| 2299 dst2 = _mm_srli_pi16(dst2, 11); /* dst2 >> 11 -> dst2 [000r 000r 000r 000r] */ | |
| 2300 | |
| 2301 /* blend */ | |
| 2302 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2303 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2304 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2305 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2306 dst2 = _mm_slli_pi16(dst2, 11); /* dst2 << 11 -> dst2 */ | |
| 2307 | |
| 2308 mm_res = dst2; /* RED -> mm_res */ | |
| 2309 | |
| 2310 /* green -- process the bits in place */ | |
| 2311 src2 = src1; | |
| 2312 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2313 | |
| 2314 dst2 = dst1; | |
| 2315 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2316 | |
| 2317 /* blend */ | |
| 2318 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2319 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2320 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2321 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2322 | |
| 2323 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2324 | |
| 2325 /* blue */ | |
| 2326 src2 = src1; | |
| 2327 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2328 | |
| 2329 dst2 = dst1; | |
| 2330 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2331 | |
| 2332 /* blend */ | |
| 2333 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2334 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2335 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2336 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2337 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2338 | |
| 2339 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2340 | |
| 2341 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2342 | |
| 2343 srcp += 4; | |
| 2344 dstp += 4; | |
|
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|
2345 }, width); |
|
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|
2346 /* *INDENT-ON* */ |
|
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|
2347 srcp += srcskip; |
|
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|
2348 dstp += dstskip; |
|
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|
2349 } |
|
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|
2350 _mm_empty(); |
|
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|
2351 } |
| 1542 | 2352 } |
| 2353 | |
| 2354 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
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|
2355 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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|
2356 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2357 { |
|
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|
2358 unsigned alpha = info->src->alpha; |
|
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|
2359 if (alpha == 128) { |
|
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|
2360 Blit16to16SurfaceAlpha128(info, 0xfbde); |
|
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|
2361 } else { |
|
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|
2362 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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|
2363 int height = info->d_height; |
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2364 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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|
2365 int srcskip = info->s_skip >> 1; |
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|
2366 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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|
2367 int dstskip = info->d_skip >> 1; |
|
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|
2368 Uint32 s, d; |
|
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2369 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2370 __m64 src1, dst1, src2, dst2, rmask, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2371 |
|
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|
2372 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
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2373 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
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|
2374 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2375 |
|
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|
2376 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
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|
2377 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
|
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2378 /* position alpha to allow for mullo and mulhi on diff channels |
|
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|
2379 to reduce the number of operations */ |
|
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|
2380 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
| 1542 | 2381 |
|
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|
2382 /* Setup the 555 color channel masks */ |
|
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|
2383 rmask = _mm_set_pi32(0x7C007C00, 0x7C007C00); /* MASKRED -> rmask */ |
|
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|
2384 gmask = _mm_set_pi32(0x03E003E0, 0x03E003E0); /* MASKGREEN -> gmask */ |
|
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changeset
|
2385 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
|
2386 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2387 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
|
2388 /* *INDENT-OFF* */ |
| 1542 | 2389 DUFFS_LOOP_QUATRO2( |
| 2390 { | |
| 2391 s = *srcp++; | |
| 2392 d = *dstp; | |
| 2393 /* | |
| 2394 * shift out the middle component (green) to | |
| 2395 * the high 16 bits, and process all three RGB | |
| 2396 * components at the same time. | |
| 2397 */ | |
| 2398 s = (s | s << 16) & 0x03e07c1f; | |
| 2399 d = (d | d << 16) & 0x03e07c1f; | |
| 2400 d += (s - d) * alpha >> 5; | |
| 2401 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2402 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2403 },{ |
| 2404 s = *srcp++; | |
| 2405 d = *dstp; | |
| 2406 /* | |
| 2407 * shift out the middle component (green) to | |
| 2408 * the high 16 bits, and process all three RGB | |
| 2409 * components at the same time. | |
| 2410 */ | |
| 2411 s = (s | s << 16) & 0x03e07c1f; | |
| 2412 d = (d | d << 16) & 0x03e07c1f; | |
| 2413 d += (s - d) * alpha >> 5; | |
| 2414 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2415 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2416 s = *srcp++; |
| 2417 d = *dstp; | |
| 2418 /* | |
| 2419 * shift out the middle component (green) to | |
| 2420 * the high 16 bits, and process all three RGB | |
| 2421 * components at the same time. | |
| 2422 */ | |
| 2423 s = (s | s << 16) & 0x03e07c1f; | |
| 2424 d = (d | d << 16) & 0x03e07c1f; | |
| 2425 d += (s - d) * alpha >> 5; | |
| 2426 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2427 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2428 },{ |
| 2429 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2430 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2431 | |
| 2432 /* red -- process the bits in place */ | |
| 2433 src2 = src1; | |
| 2434 src2 = _mm_and_si64(src2, rmask); /* src & MASKRED -> src2 */ | |
| 2435 | |
| 2436 dst2 = dst1; | |
| 2437 dst2 = _mm_and_si64(dst2, rmask); /* dst & MASKRED -> dst2 */ | |
| 2438 | |
| 2439 /* blend */ | |
| 2440 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2441 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2442 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2443 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2444 dst2 = _mm_and_si64(dst2, rmask); /* dst2 & MASKRED -> dst2 */ | |
| 2445 | |
| 2446 mm_res = dst2; /* RED -> mm_res */ | |
| 2447 | |
| 2448 /* green -- process the bits in place */ | |
| 2449 src2 = src1; | |
| 2450 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2451 | |
| 2452 dst2 = dst1; | |
| 2453 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2454 | |
| 2455 /* blend */ | |
| 2456 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2457 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2458 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2459 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2460 | |
| 2461 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2462 | |
| 2463 /* blue */ | |
| 2464 src2 = src1; /* src -> src2 */ | |
| 2465 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2466 | |
| 2467 dst2 = dst1; /* dst -> dst2 */ | |
| 2468 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2469 | |
| 2470 /* blend */ | |
| 2471 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2472 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2473 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2474 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2475 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2476 | |
| 2477 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2478 | |
| 2479 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2480 | |
| 2481 srcp += 4; | |
| 2482 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
|
2483 }, 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
|
2484 /* *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
|
2485 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
|
2486 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
|
2487 } |
|
c121d94672cb
SDL 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 _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
|
2489 } |
| 1542 | 2490 } |
| 2491 #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
|
2492 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2493 /* 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
|
2494 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
|
2495 Blit565to565SurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2496 { |
|
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 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
|
2498 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
|
2499 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
|
2500 } 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
|
2501 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
|
2502 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
|
2503 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
|
2504 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
|
2505 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
|
2506 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
|
2507 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
|
2508 |
|
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
|
2509 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
|
2510 /* *INDENT-OFF* */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2511 DUFFS_LOOP4({ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2512 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2513 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2514 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2515 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2516 * 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
|
2517 * components at the same time. |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2518 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2519 s = (s | s << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2520 d = (d | d << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2521 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2522 d &= 0x07e0f81f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2523 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2524 }, 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
|
2525 /* *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
|
2526 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
|
2527 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
|
2528 } |
|
c121d94672cb
SDL 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 } |
| 0 | 2530 } |
| 2531 | |
| 2532 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2533 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
|
2534 Blit555to555SurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2535 { |
|
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 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
|
2537 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
|
2538 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
|
2539 } 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
|
2540 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
|
2541 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
|
2542 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
|
2543 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
|
2544 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
|
2545 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:
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diff
changeset
|
2546 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 0 | 2547 |
|
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
|
2548 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
|
2549 /* *INDENT-OFF* */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2550 DUFFS_LOOP4({ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2551 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2552 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2553 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2554 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2555 * 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
|
2556 * components at the same time. |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2557 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2558 s = (s | s << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2559 d = (d | d << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2560 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2561 d &= 0x03e07c1f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2562 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2563 }, 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
|
2564 /* *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
|
2565 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
|
2566 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
|
2567 } |
|
c121d94672cb
SDL 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 } |
| 0 | 2569 } |
| 2570 | |
| 2571 /* 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
|
2572 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
|
2573 BlitARGBto565PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2574 { |
|
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 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
|
2576 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
|
2577 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
|
2578 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
|
2579 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
|
2580 int dstskip = info->d_skip >> 1; |
| 0 | 2581 |
|
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
|
2582 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
|
2583 /* *INDENT-OFF* */ |
| 0 | 2584 DUFFS_LOOP4({ |
| 2585 Uint32 s = *srcp; | |
| 2586 unsigned alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2587 /* FIXME: Here we special-case opaque alpha since the | |
| 2588 compositioning used (>>8 instead of /255) doesn't handle | |
| 2589 it correctly. Also special-case alpha=0 for speed? | |
| 2590 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2591 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2592 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2593 *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
|
2594 } else { |
| 0 | 2595 Uint32 d = *dstp; |
| 2596 /* | |
| 2597 * convert source and destination to G0RAB65565 | |
| 2598 * and blend all components at the same time | |
| 2599 */ | |
| 2600 s = ((s & 0xfc00) << 11) + (s >> 8 & 0xf800) | |
| 2601 + (s >> 3 & 0x1f); | |
| 2602 d = (d | d << 16) & 0x07e0f81f; | |
| 2603 d += (s - d) * alpha >> 5; | |
| 2604 d &= 0x07e0f81f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2605 *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
|
2606 } |
| 0 | 2607 } |
| 2608 srcp++; | |
| 2609 dstp++; | |
| 2610 }, 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
|
2611 /* *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
|
2612 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
|
2613 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
|
2614 } |
| 0 | 2615 } |
| 2616 | |
| 2617 /* 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
|
2618 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
|
2619 BlitARGBto555PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2620 { |
|
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 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
|
2622 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
|
2623 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
|
2624 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
|
2625 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
|
2626 int dstskip = info->d_skip >> 1; |
| 0 | 2627 |
|
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
|
2628 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
|
2629 /* *INDENT-OFF* */ |
| 0 | 2630 DUFFS_LOOP4({ |
| 2631 unsigned alpha; | |
| 2632 Uint32 s = *srcp; | |
| 2633 alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2634 /* FIXME: Here we special-case opaque alpha since the | |
| 2635 compositioning used (>>8 instead of /255) doesn't handle | |
| 2636 it correctly. Also special-case alpha=0 for speed? | |
| 2637 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2638 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2639 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2640 *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
|
2641 } else { |
| 0 | 2642 Uint32 d = *dstp; |
| 2643 /* | |
| 2644 * convert source and destination to G0RAB65565 | |
| 2645 * and blend all components at the same time | |
| 2646 */ | |
| 2647 s = ((s & 0xf800) << 10) + (s >> 9 & 0x7c00) | |
| 2648 + (s >> 3 & 0x1f); | |
| 2649 d = (d | d << 16) & 0x03e07c1f; | |
| 2650 d += (s - d) * alpha >> 5; | |
| 2651 d &= 0x03e07c1f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2652 *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
|
2653 } |
| 0 | 2654 } |
| 2655 srcp++; | |
| 2656 dstp++; | |
| 2657 }, 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
|
2658 /* *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
|
2659 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
|
2660 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
|
2661 } |
| 0 | 2662 } |
| 2663 | |
| 2664 /* 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
|
2665 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
|
2666 BlitNtoNSurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2667 { |
|
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 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
|
2669 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
|
2670 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
|
2671 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
|
2672 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
|
2673 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
|
2674 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
|
2675 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
|
2676 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
|
2677 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
|
2678 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
|
2679 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2680 |
|
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
|
2681 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
|
2682 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
|
2683 /* *INDENT-OFF* */ |
| 0 | 2684 DUFFS_LOOP4( |
| 2685 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2686 Uint32 Pixel; |
| 0 | 2687 unsigned sR; |
| 2688 unsigned sG; | |
| 2689 unsigned sB; | |
| 2690 unsigned dR; | |
| 2691 unsigned dG; | |
| 2692 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
|
2693 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
|
2694 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2695 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2696 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2697 src += srcbpp; | |
| 2698 dst += dstbpp; | |
| 2699 }, | |
| 2700 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
|
2701 /* *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
|
2702 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
|
2703 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
|
2704 } |
|
c121d94672cb
SDL 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 } |
| 0 | 2706 } |
| 2707 | |
| 2708 /* 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
|
2709 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
|
2710 BlitNtoNSurfaceAlphaKey(SDL_BlitInfo * info) |
| 0 | 2711 { |
|
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 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
|
2713 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
|
2714 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
|
2715 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
|
2716 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
|
2717 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
|
2718 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
|
2719 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
|
2720 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
|
2721 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
|
2722 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
|
2723 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
|
2724 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2725 |
|
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
|
2726 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
|
2727 /* *INDENT-OFF* */ |
| 0 | 2728 DUFFS_LOOP4( |
| 2729 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2730 Uint32 Pixel; |
| 0 | 2731 unsigned sR; |
| 2732 unsigned sG; | |
| 2733 unsigned sB; | |
| 2734 unsigned dR; | |
| 2735 unsigned dG; | |
| 2736 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
|
2737 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
|
2738 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
|
2739 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
|
2740 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2741 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2742 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2743 } | |
| 2744 src += srcbpp; | |
| 2745 dst += dstbpp; | |
| 2746 }, | |
| 2747 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
|
2748 /* *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
|
2749 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
|
2750 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
|
2751 } |
| 0 | 2752 } |
| 2753 | |
| 2754 /* 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
|
2755 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
|
2756 BlitNtoNPixelAlpha(SDL_BlitInfo * info) |
| 0 | 2757 { |
|
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 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
|
2759 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
|
2760 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
|
2761 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
|
2762 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
|
2763 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
|
2764 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
|
2765 SDL_PixelFormat *dstfmt = info->dst; |
| 0 | 2766 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2767 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
|
2768 int dstbpp; |
| 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 /* 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
|
2771 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
|
2772 dstbpp = dstfmt->BytesPerPixel; |
| 0 | 2773 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2774 /* 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
|
2775 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
|
2776 (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
|
2777 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
|
2778 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
|
2779 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
|
2780 /* *INDENT-OFF* */ |
| 0 | 2781 DUFFS_LOOP4( |
| 2782 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2783 Uint32 Pixel; |
| 0 | 2784 unsigned sR; |
| 2785 unsigned sG; | |
| 2786 unsigned sB; | |
| 2787 unsigned dR; | |
| 2788 unsigned dG; | |
| 2789 unsigned dB; | |
| 2790 unsigned sA; | |
| 2791 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
|
2792 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
|
2793 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
|
2794 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
|
2795 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
|
2796 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
|
2797 } |
| 0 | 2798 src += srcbpp; |
| 2799 dst += dstbpp; | |
| 2800 }, | |
| 2801 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
|
2802 /* *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
|
2803 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
|
2804 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
|
2805 } |
| 0 | 2806 } |
| 2807 | |
| 2808 | |
|
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
|
2809 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
|
2810 SDL_CalculateAlphaBlit(SDL_Surface * surface, int blit_index) |
| 0 | 2811 { |
| 2812 SDL_PixelFormat *sf = surface->format; | |
| 2813 SDL_PixelFormat *df = surface->map->dst->format; | |
| 2814 | |
|
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
|
2815 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
|
2816 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
|
2817 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
|
2818 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
|
2819 else |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2820 #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
|
2821 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
|
2822 !(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
|
2823 && 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
|
2824 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
|
2825 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2826 #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
|
2827 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
|
2828 } 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
|
2829 /* 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
|
2830 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
|
2831 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
|
2832 return BlitNto1SurfaceAlpha; |
| 0 | 2833 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2834 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
|
2835 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
|
2836 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
|
2837 #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
|
2838 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
|
2839 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
|
2840 else |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2841 #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
|
2842 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
|
2843 } 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
|
2844 #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
|
2845 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
|
2846 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
|
2847 else |
| 1542 | 2848 #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
|
2849 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
|
2850 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2851 } |
|
c121d94672cb
SDL 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 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
|
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 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
|
2855 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
|
2856 && 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
|
2857 && 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
|
2858 #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
|
2859 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
|
2860 && 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
|
2861 && 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
|
2862 return BlitRGBtoRGBSurfaceAlphaMMX; |
| 1542 | 2863 #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
|
2864 if ((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) { |
| 1542 | 2865 #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
|
2866 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
|
2867 && 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
|
2868 return BlitRGBtoRGBSurfaceAlphaAltivec; |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2869 #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
|
2870 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
|
2871 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2872 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2873 #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
|
2874 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
|
2875 !(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
|
2876 && 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
|
2877 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
|
2878 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
|
2879 #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
|
2880 return BlitNtoNSurfaceAlpha; |
| 0 | 2881 |
|
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
|
2882 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
|
2883 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
|
2884 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
|
2885 } |
|
c121d94672cb
SDL 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 } |
| 0 | 2887 } 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
|
2888 /* 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
|
2889 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
|
2890 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
|
2891 return BlitNto1PixelAlpha; |
| 0 | 2892 |
|
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
|
2893 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
|
2894 #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
|
2895 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
|
2896 && !(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
|
2897 && 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
|
2898 && 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
|
2899 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
|
2900 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2901 #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
|
2902 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
|
2903 && 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
|
2904 && ((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
|
2905 || (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
|
2906 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
|
2907 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
|
2908 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
|
2909 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
|
2910 } |
|
c121d94672cb
SDL 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 return BlitNtoNPixelAlpha; |
| 0 | 2912 |
|
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
|
2913 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
|
2914 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
|
2915 && 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
|
2916 && 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
|
2917 #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
|
2918 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
|
2919 && 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
|
2920 && 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
|
2921 && 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
|
2922 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
|
2923 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
|
2924 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
|
2925 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
|
2926 } |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2927 #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
|
2928 if (sf->Amask == 0xff000000) { |
|
1617
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2929 #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
|
2930 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
|
2931 && 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
|
2932 return BlitRGBtoRGBPixelAlphaAltivec; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2933 #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
|
2934 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
|
2935 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2936 } |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2937 #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
|
2938 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
|
2939 !(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
|
2940 && 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
|
2941 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
|
2942 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2943 #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
|
2944 return BlitNtoNPixelAlpha; |
| 0 | 2945 |
|
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
|
2946 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
|
2947 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
|
2948 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
|
2949 } |
| 0 | 2950 } |
| 2951 } | |
| 2952 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2953 /* vi: set ts=4 sw=4 expandtab: */ |