Mercurial > sdl-ios-xcode
annotate src/video/SDL_blit_A.c @ 1698:412149a1c756 SDL-1.3
Renamed, per Mike's comment on bug #157
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 21 Jun 2006 08:25:17 +0000 |
| parents | 4da1ee79c9af |
| children | a1ebb17f9c52 |
| 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; |
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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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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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510 unsigned alpha = info->src->alpha; |
| 1542 | 511 |
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512 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { |
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513 /* only call a128 version when R,G,B occupy lower bits */ |
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514 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
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515 } else { |
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516 int width = info->d_width; |
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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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519 int srcskip = info->s_skip >> 2; |
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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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522 Uint32 dalpha = df->Amask; |
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523 Uint32 amult; |
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524 |
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525 __m64 src1, src2, dst1, dst2, mm_alpha, mm_zero, dsta; |
| 1542 | 526 |
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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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530 amult = amult | (amult << 16); |
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531 chanmask = |
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532 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df-> |
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533 Bshift); |
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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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536 /* at this point mm_alpha can be 000A0A0A or 0A0A0A00 or another combo */ |
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537 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
| 1542 | 538 |
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539 while (height--) { |
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540 int n = width; |
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541 if (n & 1) { |
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542 /* One Pixel Blend */ |
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543 src2 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src2 (0000ARGB) */ |
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544 src2 = _mm_unpacklo_pi8(src2, mm_zero); /* 0A0R0G0B -> src2 */ |
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545 |
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546 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB) */ |
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547 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ |
| 1542 | 548 |
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549 src2 = _mm_sub_pi16(src2, dst1); /* src2 - dst2 -> src2 */ |
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550 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
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551 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
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552 dst1 = _mm_add_pi8(src2, dst1); /* src2 + dst1 -> dst1 */ |
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553 |
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554 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ |
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555 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
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556 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ |
| 1542 | 557 |
|
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558 ++srcp; |
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559 ++dstp; |
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560 |
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561 n--; |
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562 } |
| 1542 | 563 |
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564 for (n >>= 1; n > 0; --n) { |
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565 /* Two Pixels Blend */ |
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566 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
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567 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
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568 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* low - 0A0R0G0B -> src1 */ |
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569 src2 = _mm_unpackhi_pi8(src2, mm_zero); /* high - 0A0R0G0B -> src2 */ |
| 1542 | 570 |
|
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571 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
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572 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
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573 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* low - 0A0R0G0B -> dst1 */ |
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574 dst2 = _mm_unpackhi_pi8(dst2, mm_zero); /* high - 0A0R0G0B -> dst2 */ |
| 1542 | 575 |
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576 src1 = _mm_sub_pi16(src1, dst1); /* src1 - dst1 -> src1 */ |
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577 src1 = _mm_mullo_pi16(src1, mm_alpha); /* src1 * alpha -> src1 */ |
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578 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1 */ |
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579 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst1) -> dst1 */ |
| 1542 | 580 |
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581 src2 = _mm_sub_pi16(src2, dst2); /* src2 - dst2 -> src2 */ |
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582 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
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583 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
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584 dst2 = _mm_add_pi8(src2, dst2); /* src2 + dst2(dst2) -> dst2 */ |
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585 |
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586 dst1 = _mm_packs_pu16(dst1, dst2); /* 0A0R0G0B(res1), 0A0R0G0B(res2) -> dst1(ARGBARGB) */ |
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587 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
| 1542 | 588 |
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589 *(__m64 *) dstp = dst1; /* dst1 -> 2 x pixel */ |
| 1542 | 590 |
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591 srcp += 2; |
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592 dstp += 2; |
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593 } |
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594 srcp += srcskip; |
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595 dstp += dstskip; |
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596 } |
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597 _mm_empty(); |
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598 } |
| 1542 | 599 } |
| 600 | |
| 601 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ | |
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602 static void |
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603 BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 604 { |
|
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605 int width = info->d_width; |
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606 int height = info->d_height; |
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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 multmask = ~(0xFFFFi 64 << (ashift * 2)); |
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621 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
| 1542 | 622 |
|
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623 while (height--) { |
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624 /* *INDENT-OFF* */ |
| 1542 | 625 DUFFS_LOOP4({ |
| 626 Uint32 alpha = *srcp & amask; | |
| 627 if (alpha == 0) { | |
| 628 /* do nothing */ | |
| 629 } else if (alpha == amask) { | |
| 630 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 631 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 632 } else { | |
| 633 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 634 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 635 | |
| 636 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 637 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 638 | |
| 639 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 640 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 641 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 642 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 643 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 644 | |
| 645 /* blend */ | |
| 646 src1 = _mm_sub_pi16(src1, dst1);/* src1 - dst1 -> src1 */ | |
| 647 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src1 - dst1) * alpha -> src1 */ | |
| 648 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 649 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1 -> dst1(0A0R0G0B) */ | |
| 650 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 651 | |
| 652 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 653 } | |
| 654 ++srcp; | |
| 655 ++dstp; | |
| 656 }, width); | |
|
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657 /* *INDENT-ON* */ |
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658 srcp += srcskip; |
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659 dstp += dstskip; |
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660 } |
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661 _mm_empty(); |
| 1542 | 662 } |
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663 |
| 1542 | 664 /* End MSVC_ASMBLIT */ |
| 665 | |
| 666 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
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667 |
|
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668 #if SDL_ALTIVEC_BLITTERS |
| 1659 | 669 #if __MWERKS__ |
| 670 #pragma altivec_model on | |
| 671 #endif | |
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672 #if HAVE_ALTIVEC_H |
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673 #include <altivec.h> |
|
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674 #endif |
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675 #include <assert.h> |
|
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676 |
|
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677 #if (defined(__MACOSX__) && (__GNUC__ < 4)) |
|
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678 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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679 (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p ) |
|
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680 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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681 (vector unsigned short) ( a,b,c,d,e,f,g,h ) |
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682 #else |
|
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683 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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684 (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p } |
|
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685 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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686 (vector unsigned short) { a,b,c,d,e,f,g,h } |
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687 #endif |
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688 |
|
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689 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F) |
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690 #define VECPRINT(msg, v) do { \ |
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691 vector unsigned int tmpvec = (vector unsigned int)(v); \ |
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692 unsigned int *vp = (unsigned int *)&tmpvec; \ |
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693 printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \ |
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694 } while (0) |
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|
695 |
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696 /* the permuation vector that takes the high bytes out of all the appropriate shorts |
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|
697 (vector unsigned char)( |
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698 0x00, 0x10, 0x02, 0x12, |
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699 0x04, 0x14, 0x06, 0x16, |
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700 0x08, 0x18, 0x0A, 0x1A, |
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|
701 0x0C, 0x1C, 0x0E, 0x1E ); |
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|
702 */ |
|
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|
703 #define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F))) |
|
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|
704 #define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12))) |
|
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|
705 #define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24())) |
|
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|
706 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \ |
|
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|
707 ? vec_lvsl(0, src) \ |
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|
708 : vec_add(vec_lvsl(8, src), vec_splat_u8(8))) |
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|
709 |
|
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|
710 |
|
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changeset
|
711 #define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \ |
|
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Altivec-optimized blitters!
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|
712 /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \ |
|
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changeset
|
713 vector unsigned short vtemp1 = vec_mule(vs, valpha); \ |
|
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|
714 /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \ |
|
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|
715 vector unsigned short vtemp2 = vec_mulo(vs, valpha); \ |
|
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|
716 /* valpha2 is 255-alpha */ \ |
|
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|
717 vector unsigned char valpha2 = vec_nor(valpha, valpha); \ |
|
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718 /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \ |
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|
719 vector unsigned short vtemp3 = vec_mule(vd, valpha2); \ |
|
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|
720 /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \ |
|
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|
721 vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \ |
|
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|
722 /* add source and dest */ \ |
|
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|
723 vtemp1 = vec_add(vtemp1, vtemp3); \ |
|
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|
724 vtemp2 = vec_add(vtemp2, vtemp4); \ |
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725 /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \ |
|
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726 vtemp1 = vec_add(vtemp1, v1_16); \ |
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727 vtemp3 = vec_sr(vtemp1, v8_16); \ |
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|
728 vtemp1 = vec_add(vtemp1, vtemp3); \ |
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729 /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \ |
|
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|
730 vtemp2 = vec_add(vtemp2, v1_16); \ |
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|
731 vtemp4 = vec_sr(vtemp2, v8_16); \ |
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|
732 vtemp2 = vec_add(vtemp2, vtemp4); \ |
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|
733 /* (>>8) and get ARGBARGBARGBARGB */ \ |
|
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|
734 vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \ |
|
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|
735 } while (0) |
|
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|
736 |
|
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|
737 /* Calculate the permute vector used for 32->32 swizzling */ |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
738 static vector unsigned char |
|
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739 calc_swizzle32(const SDL_PixelFormat * srcfmt, const SDL_PixelFormat * dstfmt) |
|
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|
740 { |
|
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|
741 /* |
|
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|
742 * We have to assume that the bits that aren't used by other |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
743 * colors is alpha, and it's one complete byte, since some formats |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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744 * leave alpha with a zero mask, but we should still swizzle the bits. |
|
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|
745 */ |
|
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|
746 /* ARGB */ |
|
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|
747 const static struct SDL_PixelFormat default_pixel_format = { |
|
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Ryan C. Gordon <icculus@icculus.org>
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748 NULL, 0, 0, |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
749 0, 0, 0, 0, |
|
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Altivec-optimized blitters!
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|
750 16, 8, 0, 24, |
|
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|
751 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
752 0, 0 |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
753 }; |
|
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|
754 if (!srcfmt) { |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
755 srcfmt = &default_pixel_format; |
|
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changeset
|
756 } |
|
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changeset
|
757 if (!dstfmt) { |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
758 dstfmt = &default_pixel_format; |
|
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|
759 } |
|
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760 const vector unsigned char plus = VECUINT8_LITERAL(0x00, 0x00, 0x00, 0x00, |
|
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761 0x04, 0x04, 0x04, 0x04, |
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762 0x08, 0x08, 0x08, 0x08, |
|
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763 0x0C, 0x0C, 0x0C, |
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764 0x0C); |
|
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|
765 vector unsigned char vswiz; |
|
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|
766 vector unsigned int srcvec; |
|
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767 #define RESHIFT(X) (3 - ((X) >> 3)) |
|
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768 Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); |
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769 Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); |
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770 Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); |
|
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771 Uint32 amask; |
|
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|
772 /* Use zero for alpha if either surface doesn't have alpha */ |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
773 if (dstfmt->Amask) { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
774 amask = |
|
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775 ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt-> |
|
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776 Ashift); |
|
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777 } else { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
778 amask = |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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779 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
780 0xFFFFFFFF); |
|
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|
781 } |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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782 #undef RESHIFT |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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783 ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask); |
|
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784 vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0)); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
785 return (vswiz); |
|
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|
786 } |
|
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|
787 |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
788 static void |
|
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|
789 Blit32to565PixelAlphaAltivec(SDL_BlitInfo * info) |
|
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|
790 { |
|
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|
791 int height = info->d_height; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
792 Uint8 *src = (Uint8 *) info->s_pixels; |
|
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793 int srcskip = info->s_skip; |
|
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|
794 Uint8 *dst = (Uint8 *) info->d_pixels; |
|
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|
795 int dstskip = info->d_skip; |
|
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|
796 SDL_PixelFormat *srcfmt = info->src; |
|
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|
797 |
|
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798 vector unsigned char v0 = vec_splat_u8(0); |
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|
799 vector unsigned short v8_16 = vec_splat_u16(8); |
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800 vector unsigned short v1_16 = vec_splat_u16(1); |
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801 vector unsigned short v2_16 = vec_splat_u16(2); |
|
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802 vector unsigned short v3_16 = vec_splat_u16(3); |
|
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803 vector unsigned int v8_32 = vec_splat_u32(8); |
|
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804 vector unsigned int v16_32 = vec_add(v8_32, v8_32); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
805 vector unsigned short v3f = |
|
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|
806 VECUINT16_LITERAL(0x003f, 0x003f, 0x003f, 0x003f, |
|
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|
807 0x003f, 0x003f, 0x003f, 0x003f); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
808 vector unsigned short vfc = |
|
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809 VECUINT16_LITERAL(0x00fc, 0x00fc, 0x00fc, 0x00fc, |
|
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|
810 0x00fc, 0x00fc, 0x00fc, 0x00fc); |
|
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|
811 |
|
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|
812 /* |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
813 0x10 - 0x1f is the alpha |
|
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|
814 0x00 - 0x0e evens are the red |
|
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|
815 0x01 - 0x0f odds are zero |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
816 */ |
|
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817 vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01, |
|
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|
818 0x10, 0x02, 0x01, 0x01, |
|
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|
819 0x10, 0x04, 0x01, 0x01, |
|
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820 0x10, 0x06, 0x01, |
|
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|
821 0x01); |
|
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|
822 vector unsigned char vredalpha2 = |
|
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823 (vector unsigned char) (vec_add((vector unsigned int) vredalpha1, |
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824 vec_sl(v8_32, v16_32)) |
|
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|
825 ); |
|
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|
826 /* |
|
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|
827 0x00 - 0x0f is ARxx ARxx ARxx ARxx |
|
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|
828 0x11 - 0x0f odds are blue |
|
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|
829 */ |
|
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830 vector unsigned char vblue1 = VECUINT8_LITERAL(0x00, 0x01, 0x02, 0x11, |
|
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831 0x04, 0x05, 0x06, 0x13, |
|
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832 0x08, 0x09, 0x0a, 0x15, |
|
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833 0x0c, 0x0d, 0x0e, 0x17); |
|
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|
834 vector unsigned char vblue2 = |
|
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|
835 (vector unsigned char) (vec_add((vector unsigned int) vblue1, v8_32) |
|
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|
836 ); |
|
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|
837 /* |
|
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|
838 0x00 - 0x0f is ARxB ARxB ARxB ARxB |
|
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|
839 0x10 - 0x0e evens are green |
|
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|
840 */ |
|
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841 vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03, |
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842 0x04, 0x05, 0x12, 0x07, |
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843 0x08, 0x09, 0x14, 0x0b, |
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844 0x0c, 0x0d, 0x16, 0x0f); |
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845 vector unsigned char vgreen2 = |
|
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846 (vector unsigned |
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847 char) (vec_add((vector unsigned int) vgreen1, vec_sl(v8_32, v8_32)) |
|
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848 ); |
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849 vector unsigned char vgmerge = VECUINT8_LITERAL(0x00, 0x02, 0x00, 0x06, |
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850 0x00, 0x0a, 0x00, 0x0e, |
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851 0x00, 0x12, 0x00, 0x16, |
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852 0x00, 0x1a, 0x00, 0x1e); |
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853 vector unsigned char mergePermute = VEC_MERGE_PERMUTE(); |
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854 vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL); |
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855 vector unsigned char valphaPermute = |
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856 vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
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857 |
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858 vector unsigned short vf800 = (vector unsigned short) vec_splat_u8(-7); |
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859 vf800 = vec_sl(vf800, vec_splat_u16(8)); |
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860 |
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861 while (height--) { |
|
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862 int extrawidth; |
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863 vector unsigned char valigner; |
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864 vector unsigned char vsrc; |
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865 vector unsigned char voverflow; |
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866 int width = info->d_width; |
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867 |
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868 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
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869 while (condition) { \ |
|
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870 Uint32 Pixel; \ |
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871 unsigned sR, sG, sB, dR, dG, dB, sA; \ |
|
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|
872 DISEMBLE_RGBA(src, 4, srcfmt, Pixel, sR, sG, sB, sA); \ |
|
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873 if(sA) { \ |
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874 unsigned short dstpixel = *((unsigned short *)dst); \ |
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|
875 dR = (dstpixel >> 8) & 0xf8; \ |
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diff
changeset
|
876 dG = (dstpixel >> 3) & 0xfc; \ |
|
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|
877 dB = (dstpixel << 3) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
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diff
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878 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
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|
879 *((unsigned short *)dst) = ( \ |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
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880 ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \ |
|
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|
881 ); \ |
|
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|
882 } \ |
|
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diff
changeset
|
883 src += 4; \ |
|
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diff
changeset
|
884 dst += 2; \ |
|
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|
885 widthvar--; \ |
|
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|
886 } |
|
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|
887 ONE_PIXEL_BLEND((UNALIGNED_PTR(dst)) && (width), width); |
|
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|
888 extrawidth = (width % 8); |
|
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889 valigner = VEC_ALIGNER(src); |
|
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|
890 vsrc = (vector unsigned char) vec_ld(0, src); |
|
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|
891 width -= extrawidth; |
|
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|
892 while (width) { |
|
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|
893 vector unsigned char valpha; |
|
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diff
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|
894 vector unsigned char vsrc1, vsrc2; |
|
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|
895 vector unsigned char vdst1, vdst2; |
|
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|
896 vector unsigned short vR, vG, vB; |
|
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|
897 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel; |
|
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|
898 |
|
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diff
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|
899 /* Load 8 pixels from src as ARGB */ |
|
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|
900 voverflow = (vector unsigned char) vec_ld(15, src); |
|
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|
901 vsrc = vec_perm(vsrc, voverflow, valigner); |
|
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|
902 vsrc1 = vec_perm(vsrc, vsrc, vpermute); |
|
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|
903 src += 16; |
|
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|
904 vsrc = (vector unsigned char) vec_ld(15, src); |
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|
905 voverflow = vec_perm(voverflow, vsrc, valigner); |
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|
906 vsrc2 = vec_perm(voverflow, voverflow, vpermute); |
|
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diff
changeset
|
907 src += 16; |
|
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diff
changeset
|
908 |
|
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880
diff
changeset
|
909 /* Load 8 pixels from dst as XRGB */ |
|
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|
910 voverflow = vec_ld(0, dst); |
|
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|
911 vR = vec_and((vector unsigned short) voverflow, vf800); |
|
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|
912 vB = vec_sl((vector unsigned short) voverflow, v3_16); |
|
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|
913 vG = vec_sl(vB, v2_16); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
914 vdst1 = |
|
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|
915 (vector unsigned char) vec_perm((vector unsigned char) vR, |
|
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|
916 (vector unsigned char) vR, |
|
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|
917 vredalpha1); |
|
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|
918 vdst1 = vec_perm(vdst1, (vector unsigned char) vB, vblue1); |
|
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|
919 vdst1 = vec_perm(vdst1, (vector unsigned char) vG, vgreen1); |
|
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920 vdst2 = |
|
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|
921 (vector unsigned char) vec_perm((vector unsigned char) vR, |
|
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|
922 (vector unsigned char) vR, |
|
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|
923 vredalpha2); |
|
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|
924 vdst2 = vec_perm(vdst2, (vector unsigned char) vB, vblue2); |
|
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|
925 vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2); |
|
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diff
changeset
|
926 |
|
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Altivec-optimized blitters!
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diff
changeset
|
927 /* Alpha blend 8 pixels as ARGB */ |
|
1668
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|
928 valpha = vec_perm(vsrc1, v0, valphaPermute); |
|
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|
929 VEC_MULTIPLY_ALPHA(vsrc1, vdst1, valpha, mergePermute, v1_16, |
|
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|
930 v8_16); |
|
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|
931 valpha = vec_perm(vsrc2, v0, valphaPermute); |
|
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|
932 VEC_MULTIPLY_ALPHA(vsrc2, vdst2, valpha, mergePermute, v1_16, |
|
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|
933 v8_16); |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
934 |
|
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diff
changeset
|
935 /* Convert 8 pixels to 565 */ |
|
1668
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|
936 vpixel = (vector unsigned short) vec_packpx((vector unsigned int) |
|
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|
937 vdst1, |
|
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|
938 (vector unsigned int) |
|
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|
939 vdst2); |
|
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|
940 vgpixel = (vector unsigned short) vec_perm(vdst1, vdst2, vgmerge); |
|
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|
941 vgpixel = vec_and(vgpixel, vfc); |
|
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|
942 vgpixel = vec_sl(vgpixel, v3_16); |
|
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|
943 vrpixel = vec_sl(vpixel, v1_16); |
|
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|
944 vrpixel = vec_and(vrpixel, vf800); |
|
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|
945 vbpixel = vec_and(vpixel, v3f); |
|
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|
946 vdst1 = |
|
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|
947 vec_or((vector unsigned char) vrpixel, |
|
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|
948 (vector unsigned char) vgpixel); |
|
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|
949 vdst1 = vec_or(vdst1, (vector unsigned char) vbpixel); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
950 |
|
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|
951 /* Store 8 pixels */ |
|
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952 vec_st(vdst1, 0, dst); |
|
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|
953 |
|
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diff
changeset
|
954 width -= 8; |
|
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diff
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|
955 dst += 16; |
|
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diff
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|
956 } |
|
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957 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
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958 #undef ONE_PIXEL_BLEND |
|
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|
959 src += srcskip; |
|
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diff
changeset
|
960 dst += dstskip; |
|
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diff
changeset
|
961 } |
|
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diff
changeset
|
962 } |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
963 |
|
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|
964 static void |
|
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965 Blit32to32SurfaceAlphaKeyAltivec(SDL_BlitInfo * info) |
|
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|
966 { |
|
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|
967 unsigned alpha = info->src->alpha; |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
968 int height = info->d_height; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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969 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
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|
970 int srcskip = info->s_skip >> 2; |
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|
971 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
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|
972 int dstskip = info->d_skip >> 2; |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
973 SDL_PixelFormat *srcfmt = info->src; |
|
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Ryan C. Gordon <icculus@icculus.org>
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974 SDL_PixelFormat *dstfmt = info->dst; |
|
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Ryan C. Gordon <icculus@icculus.org>
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975 unsigned sA = srcfmt->alpha; |
|
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diff
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|
976 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
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Altivec-optimized blitters!
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977 Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; |
|
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|
978 Uint32 ckey = info->src->colorkey; |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
979 vector unsigned char mergePermute; |
|
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980 vector unsigned char vsrcPermute; |
|
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|
981 vector unsigned char vdstPermute; |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
982 vector unsigned char vsdstPermute; |
|
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diff
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983 vector unsigned char valpha; |
|
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diff
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|
984 vector unsigned char valphamask; |
|
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diff
changeset
|
985 vector unsigned char vbits; |
|
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|
986 vector unsigned char v0; |
|
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987 vector unsigned short v1; |
|
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988 vector unsigned short v8; |
|
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989 vector unsigned int vckey; |
|
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|
990 vector unsigned int vrgbmask; |
|
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|
991 |
|
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992 mergePermute = VEC_MERGE_PERMUTE(); |
|
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993 v0 = vec_splat_u8(0); |
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994 v1 = vec_splat_u16(1); |
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995 v8 = vec_splat_u16(8); |
|
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|
996 |
|
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changeset
|
997 /* set the alpha to 255 on the destination surf */ |
|
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998 valphamask = VEC_ALPHA_MASK(); |
|
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|
999 |
|
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1000 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
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1001 vdstPermute = calc_swizzle32(NULL, dstfmt); |
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|
1002 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
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1003 |
|
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|
1004 /* set a vector full of alpha and 255-alpha */ |
|
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|
1005 ((unsigned char *) &valpha)[0] = alpha; |
|
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1006 valpha = vec_splat(valpha, 0); |
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1007 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
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|
1008 |
|
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|
1009 ckey &= rgbmask; |
|
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|
1010 ((unsigned int *) (char *) &vckey)[0] = ckey; |
|
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1011 vckey = vec_splat(vckey, 0); |
|
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|
1012 ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask; |
|
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1013 vrgbmask = vec_splat(vrgbmask, 0); |
|
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1014 |
|
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|
1015 while (height--) { |
|
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1016 int width = info->d_width; |
|
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|
1017 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
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|
1018 while (condition) { \ |
|
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|
1019 Uint32 Pixel; \ |
|
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|
1020 unsigned sR, sG, sB, dR, dG, dB; \ |
|
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|
1021 RETRIEVE_RGB_PIXEL(((Uint8 *)srcp), 4, Pixel); \ |
|
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|
1022 if(sA && Pixel != ckey) { \ |
|
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|
1023 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \ |
|
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|
1024 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \ |
|
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|
1025 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
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|
1026 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
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|
1027 } \ |
|
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|
1028 dstp++; \ |
|
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Enable altivec blitters on PowerPC Linux, and some fixes for recent
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|
1029 srcp++; \ |
|
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diff
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|
1030 widthvar--; \ |
|
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|
1031 } |
|
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1032 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
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|
1033 if (width > 0) { |
|
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diff
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|
1034 int extrawidth = (width % 4); |
|
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|
1035 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
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|
1036 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
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|
1037 width -= extrawidth; |
|
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|
1038 while (width) { |
|
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diff
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|
1039 vector unsigned char vsel; |
|
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diff
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|
1040 vector unsigned char voverflow; |
|
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diff
changeset
|
1041 vector unsigned char vd; |
|
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diff
changeset
|
1042 vector unsigned char vd_orig; |
|
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diff
changeset
|
1043 |
|
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changeset
|
1044 /* s = *srcp */ |
|
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|
1045 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
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|
1046 vs = vec_perm(vs, voverflow, valigner); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1047 |
|
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diff
changeset
|
1048 /* vsel is set for items that match the key */ |
|
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|
1049 vsel = |
|
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|
1050 (vector unsigned char) vec_and((vector unsigned int) vs, |
|
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|
1051 vrgbmask); |
|
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|
1052 vsel = (vector unsigned char) vec_cmpeq((vector unsigned int) |
|
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|
1053 vsel, vckey); |
|
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|
1054 |
|
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changeset
|
1055 /* permute to source format */ |
|
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|
1056 vs = vec_perm(vs, valpha, vsrcPermute); |
|
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diff
changeset
|
1057 |
|
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changeset
|
1058 /* d = *dstp */ |
|
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|
1059 vd = (vector unsigned char) vec_ld(0, dstp); |
|
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|
1060 vd_orig = vd = vec_perm(vd, v0, vsdstPermute); |
|
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diff
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|
1061 |
|
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Sam Lantinga <slouken@libsdl.org>
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|
1062 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1063 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1064 /* set the alpha channel to full on */ |
|
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|
1065 vd = vec_or(vd, valphamask); |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1066 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1067 /* mask out color key */ |
|
1668
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diff
changeset
|
1068 vd = vec_sel(vd, vd_orig, vsel); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1069 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1070 /* permute to dest format */ |
|
1668
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|
1071 vd = vec_perm(vd, vbits, vdstPermute); |
|
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diff
changeset
|
1072 |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1073 /* *dstp = res */ |
|
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changeset
|
1074 vec_st((vector unsigned int) vd, 0, dstp); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1075 |
|
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ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1076 srcp += 4; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1077 dstp += 4; |
|
ffaaf7ecf685
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1078 width -= 4; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1079 vs = voverflow; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1080 } |
|
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|
1081 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
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diff
changeset
|
1082 } |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1083 #undef ONE_PIXEL_BLEND |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1084 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1085 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1086 dstp += dstskip; |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1087 } |
|
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diff
changeset
|
1088 } |
|
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diff
changeset
|
1089 |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1090 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1091 static void |
|
1668
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changeset
|
1092 Blit32to32PixelAlphaAltivec(SDL_BlitInfo * info) |
|
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diff
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|
1093 { |
|
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diff
changeset
|
1094 int width = info->d_width; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1095 int height = info->d_height; |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1096 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
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Altivec-optimized blitters!
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diff
changeset
|
1097 int srcskip = info->s_skip >> 2; |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1098 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
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diff
changeset
|
1099 int dstskip = info->d_skip >> 2; |
|
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|
1100 SDL_PixelFormat *srcfmt = info->src; |
|
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1101 SDL_PixelFormat *dstfmt = info->dst; |
|
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diff
changeset
|
1102 vector unsigned char mergePermute; |
|
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diff
changeset
|
1103 vector unsigned char valphaPermute; |
|
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diff
changeset
|
1104 vector unsigned char vsrcPermute; |
|
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diff
changeset
|
1105 vector unsigned char vdstPermute; |
|
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Altivec-optimized blitters!
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parents:
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diff
changeset
|
1106 vector unsigned char vsdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1107 vector unsigned char valphamask; |
|
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Altivec-optimized blitters!
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diff
changeset
|
1108 vector unsigned char vpixelmask; |
|
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Altivec-optimized blitters!
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diff
changeset
|
1109 vector unsigned char v0; |
|
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Altivec-optimized blitters!
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diff
changeset
|
1110 vector unsigned short v1; |
|
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Altivec-optimized blitters!
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diff
changeset
|
1111 vector unsigned short v8; |
|
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diff
changeset
|
1112 |
|
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changeset
|
1113 v0 = vec_splat_u8(0); |
|
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|
1114 v1 = vec_splat_u16(1); |
|
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|
1115 v8 = vec_splat_u16(8); |
|
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changeset
|
1116 mergePermute = VEC_MERGE_PERMUTE(); |
|
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diff
changeset
|
1117 valphamask = VEC_ALPHA_MASK(); |
|
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|
1118 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
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diff
changeset
|
1119 vpixelmask = vec_nor(valphamask, v0); |
|
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changeset
|
1120 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
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changeset
|
1121 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
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|
1122 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
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diff
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|
1123 |
|
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Sam Lantinga <slouken@libsdl.org>
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changeset
|
1124 while (height--) { |
|
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diff
changeset
|
1125 width = info->d_width; |
|
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Altivec-optimized blitters!
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diff
changeset
|
1126 #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:
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diff
changeset
|
1127 Uint32 Pixel; \ |
|
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diff
changeset
|
1128 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>
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changeset
|
1129 DISEMBLE_RGBA((Uint8 *)srcp, 4, srcfmt, Pixel, sR, sG, sB, sA); \ |
|
1047
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Altivec-optimized blitters!
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diff
changeset
|
1130 if(sA) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1131 DISEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, Pixel, dR, dG, dB, dA); \ |
|
1047
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Altivec-optimized blitters!
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diff
changeset
|
1132 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
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diff
changeset
|
1133 ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \ |
|
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Altivec-optimized blitters!
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diff
changeset
|
1134 } \ |
|
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diff
changeset
|
1135 ++srcp; \ |
|
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Altivec-optimized blitters!
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diff
changeset
|
1136 ++dstp; \ |
|
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Altivec-optimized blitters!
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diff
changeset
|
1137 widthvar--; \ |
|
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Altivec-optimized blitters!
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diff
changeset
|
1138 } |
|
1668
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changeset
|
1139 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
1047
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Altivec-optimized blitters!
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diff
changeset
|
1140 if (width > 0) { |
|
1487
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1141 /* vsrcPermute */ |
|
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1142 /* vdstPermute */ |
|
1047
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changeset
|
1143 int extrawidth = (width % 4); |
|
1668
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diff
changeset
|
1144 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
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diff
changeset
|
1145 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1146 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1147 while (width) { |
|
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Altivec-optimized blitters!
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diff
changeset
|
1148 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
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diff
changeset
|
1149 vector unsigned char vd; |
|
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Altivec-optimized blitters!
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880
diff
changeset
|
1150 vector unsigned char valpha; |
|
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1151 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1152 /* s = *srcp */ |
|
1668
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changeset
|
1153 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
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changeset
|
1154 vs = vec_perm(vs, voverflow, valigner); |
|
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diff
changeset
|
1155 vs = vec_perm(vs, v0, vsrcPermute); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1156 |
|
1668
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changeset
|
1157 valpha = vec_perm(vs, v0, valphaPermute); |
|
1047
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Altivec-optimized blitters!
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diff
changeset
|
1158 |
|
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Altivec-optimized blitters!
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diff
changeset
|
1159 /* d = *dstp */ |
|
1668
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changeset
|
1160 vd = (vector unsigned char) vec_ld(0, dstp); |
|
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changeset
|
1161 vd = vec_perm(vd, v0, vsdstPermute); |
|
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changeset
|
1162 vdstalpha = vec_and(vd, valphamask); |
|
1047
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changeset
|
1163 |
|
1668
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changeset
|
1164 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
1047
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Altivec-optimized blitters!
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diff
changeset
|
1165 |
|
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Altivec-optimized blitters!
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diff
changeset
|
1166 /* set the alpha to the dest alpha */ |
|
1668
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changeset
|
1167 vd = vec_and(vd, vpixelmask); |
|
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changeset
|
1168 vd = vec_or(vd, vdstalpha); |
|
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changeset
|
1169 vd = vec_perm(vd, v0, vdstPermute); |
|
1047
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diff
changeset
|
1170 |
|
ffaaf7ecf685
Altivec-optimized blitters!
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diff
changeset
|
1171 /* *dstp = res */ |
|
1668
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changeset
|
1172 vec_st((vector unsigned int) vd, 0, dstp); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1173 |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
1174 srcp += 4; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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|
1175 dstp += 4; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
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|
1176 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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|
1177 vs = voverflow; |
|
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diff
changeset
|
1178 |
|
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Ryan C. Gordon <icculus@icculus.org>
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diff
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|
1179 } |
|
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|
1180 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
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|
1181 } |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1182 srcp += srcskip; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1183 dstp += dstskip; |
|
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
1184 #undef ONE_PIXEL_BLEND |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1185 } |
|
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|
1186 } |
|
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|
1187 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1188 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1189 static void |
|
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|
1190 BlitRGBtoRGBPixelAlphaAltivec(SDL_BlitInfo * info) |
|
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diff
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|
1191 { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1192 int width = info->d_width; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1193 int height = info->d_height; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1194 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1195 int srcskip = info->s_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1196 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1197 int dstskip = info->d_skip >> 2; |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1198 vector unsigned char mergePermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1199 vector unsigned char valphaPermute; |
|
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
1200 vector unsigned char valphamask; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1201 vector unsigned char vpixelmask; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1202 vector unsigned char v0; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1203 vector unsigned short v1; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1204 vector unsigned short v8; |
|
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|
1205 v0 = vec_splat_u8(0); |
|
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|
1206 v1 = vec_splat_u16(1); |
|
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|
1207 v8 = vec_splat_u16(8); |
|
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|
1208 mergePermute = VEC_MERGE_PERMUTE(); |
|
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changeset
|
1209 valphamask = VEC_ALPHA_MASK(); |
|
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changeset
|
1210 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1211 |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1212 |
|
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changeset
|
1213 vpixelmask = vec_nor(valphamask, v0); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1214 while (height--) { |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1215 width = info->d_width; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1216 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1217 while ((condition)) { \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1218 Uint32 dalpha; \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1219 Uint32 d; \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1220 Uint32 s1; \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1221 Uint32 d1; \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1222 Uint32 s = *srcp; \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1223 Uint32 alpha = s >> 24; \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1224 if(alpha) { \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1225 if(alpha == SDL_ALPHA_OPAQUE) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1226 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1227 } else { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1228 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1229 dalpha = d & 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1230 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1231 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1232 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1233 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1234 d &= 0xff00; \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1235 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1236 *dstp = d1 | d | dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1237 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1238 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1239 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1240 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1241 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1242 } |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1243 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1244 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1245 int extrawidth = (width % 4); |
|
1668
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1246 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1247 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
|
1248 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1249 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1250 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1251 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1252 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1253 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1254 /* s = *srcp */ |
|
1668
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Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1255 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1256 vs = vec_perm(vs, voverflow, valigner); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1257 |
|
1668
4da1ee79c9af
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diff
changeset
|
1258 valpha = vec_perm(vs, v0, valphaPermute); |
|
1047
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 /* d = *dstp */ |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1261 vd = (vector unsigned char) vec_ld(0, dstp); |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1262 vdstalpha = vec_and(vd, valphamask); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1263 |
|
1668
4da1ee79c9af
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diff
changeset
|
1264 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
1047
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 /* set the alpha to the dest alpha */ |
|
1668
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1267 vd = vec_and(vd, vpixelmask); |
|
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
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1662
diff
changeset
|
1268 vd = vec_or(vd, vdstalpha); |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1269 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1270 /* *dstp = res */ |
|
1668
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diff
changeset
|
1271 vec_st((vector unsigned int) vd, 0, dstp); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1272 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1273 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1274 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1275 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1276 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1277 } |
|
1668
4da1ee79c9af
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diff
changeset
|
1278 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1279 } |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1280 srcp += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1281 dstp += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1282 } |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1283 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1284 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1285 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1286 static void |
|
1668
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more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1287 Blit32to32SurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1288 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1289 /* XXX : 6 */ |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1290 unsigned alpha = info->src->alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1291 int height = info->d_height; |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1292 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1293 int srcskip = info->s_skip >> 2; |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1294 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1295 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1296 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1297 SDL_PixelFormat *dstfmt = info->dst; |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1298 unsigned sA = srcfmt->alpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1299 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1300 vector unsigned char mergePermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1301 vector unsigned char vsrcPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1302 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1303 vector unsigned char vsdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1304 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1305 vector unsigned char valphamask; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1306 vector unsigned char vbits; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1307 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1308 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1309 |
|
1668
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changeset
|
1310 mergePermute = VEC_MERGE_PERMUTE(); |
|
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diff
changeset
|
1311 v1 = vec_splat_u16(1); |
|
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diff
changeset
|
1312 v8 = vec_splat_u16(8); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1313 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1314 /* set the alpha to 255 on the destination surf */ |
|
1668
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Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1315 valphamask = VEC_ALPHA_MASK(); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1316 |
|
1668
4da1ee79c9af
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diff
changeset
|
1317 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1318 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
4da1ee79c9af
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diff
changeset
|
1319 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1320 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1321 /* set a vector full of alpha and 255-alpha */ |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1322 ((unsigned char *) &valpha)[0] = alpha; |
|
1668
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changeset
|
1323 valpha = vec_splat(valpha, 0); |
|
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diff
changeset
|
1324 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1325 |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1326 while (height--) { |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1327 int width = info->d_width; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1328 #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
|
1329 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1330 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
|
1331 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
|
1332 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
|
1333 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1334 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1335 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1336 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1337 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1338 } |
|
1668
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1339 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1340 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1341 int extrawidth = (width % 4); |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1342 vector unsigned char valigner = vec_lvsl(0, srcp); |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1343 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
|
1344 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1345 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1346 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1347 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1348 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1349 /* s = *srcp */ |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1350 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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1662
diff
changeset
|
1351 vs = vec_perm(vs, voverflow, valigner); |
|
4da1ee79c9af
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parents:
1662
diff
changeset
|
1352 vs = vec_perm(vs, valpha, vsrcPermute); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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1659
diff
changeset
|
1353 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1354 /* d = *dstp */ |
|
1668
4da1ee79c9af
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diff
changeset
|
1355 vd = (vector unsigned char) vec_ld(0, dstp); |
|
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1356 vd = vec_perm(vd, vd, vsdstPermute); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1357 |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1358 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
1047
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 /* set the alpha channel to full on */ |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1361 vd = vec_or(vd, valphamask); |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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1662
diff
changeset
|
1362 vd = vec_perm(vd, vbits, vdstPermute); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1363 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1364 /* *dstp = res */ |
|
1668
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
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1662
diff
changeset
|
1365 vec_st((vector unsigned int) vd, 0, dstp); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1366 |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1367 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1368 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1369 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1370 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1371 } |
|
1668
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diff
changeset
|
1372 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
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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 #undef ONE_PIXEL_BLEND |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1375 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1376 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1377 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1378 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1379 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1380 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1381 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1382 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1383 /* fast RGB888->(A)RGB888 blending */ |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1384 static void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1385 BlitRGBtoRGBSurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1386 { |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1387 unsigned alpha = info->src->alpha; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1388 int height = info->d_height; |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1389 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1390 int srcskip = info->s_skip >> 2; |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1391 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1392 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1393 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1394 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1395 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1396 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1397 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1398 |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1399 mergePermute = VEC_MERGE_PERMUTE(); |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1400 v1 = vec_splat_u16(1); |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1401 v8 = vec_splat_u16(8); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1402 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1403 /* set the alpha to 255 on the destination surf */ |
|
1668
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1404 valphamask = VEC_ALPHA_MASK(); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1405 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1406 /* set a vector full of alpha and 255-alpha */ |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1407 ((unsigned char *) &valpha)[0] = alpha; |
|
1668
4da1ee79c9af
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Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1408 valpha = vec_splat(valpha, 0); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1409 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1410 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1411 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1412 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1413 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1414 Uint32 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1415 Uint32 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1416 Uint32 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1417 d1 = (d1 + ((s1 - d1) * alpha >> 8)) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1418 & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1419 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1420 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1421 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1422 *dstp = d1 | d | 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1423 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1424 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1425 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1426 } |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1427 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1428 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1429 int extrawidth = (width % 4); |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1430 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1431 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
|
1432 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1433 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1434 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1435 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1436 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1437 /* s = *srcp */ |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1438 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1439 vs = vec_perm(vs, voverflow, valigner); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1440 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1441 /* d = *dstp */ |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1442 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1443 |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1444 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
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 /* set the alpha channel to full on */ |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1447 vd = vec_or(vd, valphamask); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1448 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1449 /* *dstp = res */ |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1450 vec_st((vector unsigned int) vd, 0, dstp); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1451 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1452 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1453 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1454 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1455 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1456 } |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1457 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
1047
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 #undef ONE_PIXEL_BLEND |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1460 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1461 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1462 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1463 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1464 } |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1465 |
| 1659 | 1466 #if __MWERKS__ |
| 1467 #pragma altivec_model off | |
| 1468 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1469 #endif /* SDL_ALTIVEC_BLITTERS */ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1470 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1471 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1472 static void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1473 BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo * info) |
| 0 | 1474 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1475 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1476 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1477 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1478 int srcskip = info->s_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1479 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1480 int dstskip = info->d_skip >> 2; |
| 0 | 1481 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1482 while (height--) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1483 /* *INDENT-OFF* */ |
| 0 | 1484 DUFFS_LOOP4({ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1485 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1486 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1487 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1488 + (s & d & 0x00010101)) | 0xff000000; |
| 0 | 1489 }, width); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1490 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1491 srcp += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1492 dstp += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1493 } |
| 0 | 1494 } |
| 1495 | |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1496 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1497 static void |
|
1668
4da1ee79c9af
more tweaking indent options
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1662
diff
changeset
|
1498 BlitRGBtoRGBSurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1499 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1500 unsigned alpha = info->src->alpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1501 if (alpha == 128) { |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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1662
diff
changeset
|
1502 BlitRGBtoRGBSurfaceAlpha128(info); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1503 } else { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1504 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1505 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1506 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1507 int srcskip = info->s_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1508 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
1509 int dstskip = info->d_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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1659
diff
changeset
|
1510 Uint32 s; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1511 Uint32 d; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1512 Uint32 s1; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1513 Uint32 d1; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
changeset
|
1514 |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff
changeset
|
1515 while (height--) { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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|
1516 /* *INDENT-OFF* */ |
|
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|
1517 DUFFS_LOOP_DOUBLE2({ |
|
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|
1518 /* One Pixel Blend */ |
|
1
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parents:
0
diff
changeset
|
1519 s = *srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1520 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1521 s1 = s & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1522 d1 = d & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1523 d1 = (d1 + ((s1 - d1) * alpha >> 8)) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1524 & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1525 s &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1526 d &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1527 d = (d + ((s - d) * alpha >> 8)) & 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1528 *dstp = d1 | d | 0xff000000; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1529 ++srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1530 ++dstp; |
|
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|
1531 },{ |
|
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|
1532 /* Two Pixels Blend */ |
|
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|
1533 s = *srcp; |
|
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|
1534 d = *dstp; |
|
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|
1535 s1 = s & 0xff00ff; |
|
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|
1536 d1 = d & 0xff00ff; |
|
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|
1537 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1538 d1 &= 0xff00ff; |
|
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|
1539 |
|
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|
1540 s = ((s & 0xff00) >> 8) | |
|
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|
1541 ((srcp[1] & 0xff00) << 8); |
|
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|
1542 d = ((d & 0xff00) >> 8) | |
|
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|
1543 ((dstp[1] & 0xff00) << 8); |
|
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|
1544 d += (s - d) * alpha >> 8; |
|
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|
1545 d &= 0x00ff00ff; |
|
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|
1546 |
|
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|
1547 *dstp++ = d1 | ((d << 8) & 0xff00) | 0xff000000; |
|
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|
1548 ++srcp; |
|
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|
1549 |
|
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|
1550 s1 = *srcp; |
|
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|
1551 d1 = *dstp; |
|
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|
1552 s1 &= 0xff00ff; |
|
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|
1553 d1 &= 0xff00ff; |
|
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|
1554 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1555 d1 &= 0xff00ff; |
|
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|
1556 |
|
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|
1557 *dstp = d1 | ((d >> 8) & 0xff00) | 0xff000000; |
|
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|
1558 ++srcp; |
|
5bb080d35049
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changeset
|
1559 ++dstp; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1560 }, width); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1561 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1562 srcp += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1563 dstp += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1564 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1565 } |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1566 } |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1567 |
| 0 | 1568 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1569 static void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1570 BlitRGBtoRGBPixelAlpha(SDL_BlitInfo * info) |
| 0 | 1571 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1572 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1573 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1574 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1575 int srcskip = info->s_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1576 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1577 int dstskip = info->d_skip >> 2; |
| 0 | 1578 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1579 while (height--) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1580 /* *INDENT-OFF* */ |
| 0 | 1581 DUFFS_LOOP4({ |
| 1582 Uint32 dalpha; | |
| 1583 Uint32 d; | |
| 1584 Uint32 s1; | |
| 1585 Uint32 d1; | |
| 1586 Uint32 s = *srcp; | |
| 1587 Uint32 alpha = s >> 24; | |
| 1588 /* FIXME: Here we special-case opaque alpha since the | |
| 1589 compositioning used (>>8 instead of /255) doesn't handle | |
| 1590 it correctly. Also special-case alpha=0 for speed? | |
| 1591 Benchmark this! */ | |
|
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changeset
|
1592 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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297
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changeset
|
1593 if(alpha == SDL_ALPHA_OPAQUE) { |
| 0 | 1594 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); |
|
689
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Sam Lantinga <slouken@libsdl.org>
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297
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changeset
|
1595 } else { |
| 0 | 1596 /* |
| 1597 * take out the middle component (green), and process | |
| 1598 * the other two in parallel. One multiply less. | |
| 1599 */ | |
| 1600 d = *dstp; | |
| 1601 dalpha = d & 0xff000000; | |
| 1602 s1 = s & 0xff00ff; | |
| 1603 d1 = d & 0xff00ff; | |
| 1604 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; | |
| 1605 s &= 0xff00; | |
| 1606 d &= 0xff00; | |
| 1607 d = (d + ((s - d) * alpha >> 8)) & 0xff00; | |
| 1608 *dstp = d1 | d | dalpha; | |
|
689
5bb080d35049
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Sam Lantinga <slouken@libsdl.org>
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297
diff
changeset
|
1609 } |
| 0 | 1610 } |
| 1611 ++srcp; | |
| 1612 ++dstp; | |
| 1613 }, width); | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1614 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1615 srcp += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1616 dstp += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1617 } |
| 0 | 1618 } |
| 1619 | |
| 1542 | 1620 #if GCC_ASMBLIT |
|
689
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|
1621 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1622 inline static void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1623 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
|
689
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|
1624 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1625 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1626 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1627 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1628 int srcskip = info->s_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1629 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1630 int dstskip = info->d_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1631 SDL_PixelFormat *sf = info->src; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
1632 Uint32 amask = sf->Amask; |
|
689
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|
1633 |
|
1668
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more tweaking indent options
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1662
diff
changeset
|
1634 __asm__( |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1635 /* make mm6 all zeros. */ |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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1662
diff
changeset
|
1636 "pxor %%mm6, %%mm6\n" |
|
4da1ee79c9af
more tweaking indent options
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1662
diff
changeset
|
1637 /* Make a mask to preserve the alpha. */ |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1638 "movd %0, %%mm7\n\t" /* 0000F000 -> mm7 */ |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1639 "punpcklbw %%mm7, %%mm7\n\t" /* FF000000 -> mm7 */ |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1640 "pcmpeqb %%mm4, %%mm4\n\t" /* FFFFFFFF -> mm4 */ |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1641 "movq %%mm4, %%mm3\n\t" /* FFFFFFFF -> mm3 (for later) */ |
|
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|
1642 "pxor %%mm4, %%mm7\n\t" /* 00FFFFFF -> mm7 (mult mask) */ |
|
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|
1643 /* form channel masks */ |
|
4da1ee79c9af
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|
1644 "movq %%mm7, %%mm4\n\t" /* 00FFFFFF -> mm4 */ |
|
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|
1645 "packsswb %%mm6, %%mm4\n\t" /* 00000FFF -> mm4 (channel mask) */ |
|
4da1ee79c9af
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|
1646 "packsswb %%mm6, %%mm3\n\t" /* 0000FFFF -> mm3 */ |
|
4da1ee79c9af
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diff
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|
1647 "pxor %%mm4, %%mm3\n\t" /* 0000F000 -> mm3 (~channel mask) */ |
|
4da1ee79c9af
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1662
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|
1648 /* get alpha channel shift */ |
|
4da1ee79c9af
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|
1649 "movd %1, %%mm5\n\t" /* Ashift -> mm5 */ |
|
4da1ee79c9af
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1662
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|
1650 : /* nothing */ : "m"(sf->Amask), "m"(sf->Ashift)); |
|
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1651 |
|
1662
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|
1652 while (height--) { |
| 1542 | 1653 |
|
1662
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|
1654 /* *INDENT-OFF* */ |
|
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1655 DUFFS_LOOP4({ |
| 1542 | 1656 Uint32 alpha; |
|
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1657 |
|
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|
1658 __asm__ ( |
|
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|
1659 "prefetch 64(%0)\n" |
|
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|
1660 "prefetch 64(%1)\n" |
|
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|
1661 : : "r" (srcp), "r" (dstp) ); |
|
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1662 |
| 1542 | 1663 alpha = *srcp & amask; |
|
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|
1664 /* FIXME: Here we special-case opaque alpha since the |
|
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|
1665 compositioning used (>>8 instead of /255) doesn't handle |
|
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|
1666 it correctly. Also special-case alpha=0 for speed? |
|
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|
1667 Benchmark this! */ |
| 1542 | 1668 if(alpha == 0) { |
| 1669 /* do nothing */ | |
| 1670 } | |
| 1671 else if(alpha == amask) { | |
| 1672 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 1673 /* using MMX here to free up regular registers for other things */ | |
| 1674 __asm__ ( | |
| 1675 "movd (%0), %%mm0\n\t" /* src(ARGB) -> mm0 (0000ARGB)*/ | |
| 1676 "movd (%1), %%mm1\n\t" /* dst(ARGB) -> mm1 (0000ARGB)*/ | |
| 1677 "pand %%mm4, %%mm0\n\t" /* src & chanmask -> mm0 */ | |
| 1678 "pand %%mm3, %%mm1\n\t" /* dst & ~chanmask -> mm2 */ | |
| 1679 "por %%mm0, %%mm1\n\t" /* src | dst -> mm1 */ | |
| 1680 "movd %%mm1, (%1) \n\t" /* mm1 -> dst */ | |
| 1681 | |
| 1682 : : "r" (srcp), "r" (dstp) ); | |
|
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|
1683 } |
|
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|
1684 |
|
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|
1685 else { |
|
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|
1686 __asm__ ( |
|
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|
1687 /* load in the source, and dst. */ |
|
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|
1688 "movd (%0), %%mm0\n" /* mm0(s) = 0 0 0 0 | As Rs Gs Bs */ |
|
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|
1689 "movd (%1), %%mm1\n" /* mm1(d) = 0 0 0 0 | Ad Rd Gd Bd */ |
|
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|
1690 |
|
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|
1691 /* Move the src alpha into mm2 */ |
|
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|
1692 |
|
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|
1693 /* if supporting pshufw */ |
|
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|
1694 /*"pshufw $0x55, %%mm0, %%mm2\n" */ /* mm2 = 0 As 0 As | 0 As 0 As */ |
|
5bb080d35049
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|
1695 /*"psrlw $8, %%mm2\n" */ |
|
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|
1696 |
|
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|
1697 /* else: */ |
| 1542 | 1698 "movd %2, %%mm2\n" |
| 1699 "psrld %%mm5, %%mm2\n" /* mm2 = 0 0 0 0 | 0 0 0 As */ | |
|
689
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|
1700 "punpcklwd %%mm2, %%mm2\n" /* mm2 = 0 0 0 0 | 0 As 0 As */ |
|
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|
1701 "punpckldq %%mm2, %%mm2\n" /* mm2 = 0 As 0 As | 0 As 0 As */ |
| 1542 | 1702 "pand %%mm7, %%mm2\n" /* to preserve dest alpha */ |
|
689
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|
1703 |
|
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|
1704 /* move the colors into words. */ |
|
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|
1705 "punpcklbw %%mm6, %%mm0\n" /* mm0 = 0 As 0 Rs | 0 Gs 0 Bs */ |
|
5bb080d35049
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|
1706 "punpcklbw %%mm6, %%mm1\n" /* mm0 = 0 Ad 0 Rd | 0 Gd 0 Bd */ |
|
5bb080d35049
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|
1707 |
|
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|
1708 /* src - dst */ |
|
5bb080d35049
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|
1709 "psubw %%mm1, %%mm0\n" /* mm0 = As-Ad Rs-Rd | Gs-Gd Bs-Bd */ |
|
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|
1710 |
|
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|
1711 /* A * (src-dst) */ |
| 1542 | 1712 "pmullw %%mm2, %%mm0\n" /* mm0 = 0*As-d As*Rs-d | As*Gs-d As*Bs-d */ |
| 1713 "psrlw $8, %%mm0\n" /* mm0 = 0>>8 Rc>>8 | Gc>>8 Bc>>8 */ | |
| 1714 "paddb %%mm1, %%mm0\n" /* mm0 = 0+Ad Rc+Rd | Gc+Gd Bc+Bd */ | |
|
689
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|
1715 |
|
5bb080d35049
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|
1716 "packuswb %%mm0, %%mm0\n" /* mm0 = | Ac Rc Gc Bc */ |
|
5bb080d35049
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|
1717 |
|
5bb080d35049
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|
1718 "movd %%mm0, (%1)\n" /* result in mm0 */ |
|
5bb080d35049
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|
1719 |
| 1542 | 1720 : : "r" (srcp), "r" (dstp), "r" (alpha) ); |
|
689
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|
1721 |
|
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|
1722 } |
|
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|
1723 ++srcp; |
|
5bb080d35049
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|
1724 ++dstp; |
|
5bb080d35049
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|
1725 }, width); |
|
1662
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1659
diff
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|
1726 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1727 srcp += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1728 dstp += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1659
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|
1729 } |
|
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|
1730 |
|
1668
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|
1731 __asm__("emms\n":); |
|
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|
1732 } |
|
1662
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diff
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|
1733 |
| 1542 | 1734 /* End GCC_ASMBLIT*/ |
| 1735 | |
| 1736 #elif MSVC_ASMBLIT | |
| 1737 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff
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|
1738 static void |
|
1668
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changeset
|
1739 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
| 1542 | 1740 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1741 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff
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|
1742 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1743 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff
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|
1744 int srcskip = info->s_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1745 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1746 int dstskip = info->d_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
1747 SDL_PixelFormat *sf = info->src; |
|
782fd950bd46
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|
1748 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
|
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|
1749 Uint32 amask = sf->Amask; |
|
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|
1750 Uint32 ashift = sf->Ashift; |
|
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|
1751 Uint64 multmask; |
| 1542 | 1752 |
|
1662
782fd950bd46
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|
1753 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
| 1542 | 1754 |
|
1668
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|
1755 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
|
1662
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|
1756 multmask = ~(0xFFFFi 64 << (ashift * 2)); |
|
782fd950bd46
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|
1757 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
|
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|
1758 |
|
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|
1759 while (height--) { |
|
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|
1760 /* *INDENT-OFF* */ |
| 1542 | 1761 DUFFS_LOOP4({ |
| 1762 Uint32 alpha; | |
| 1763 | |
| 1764 _m_prefetch(srcp + 16); | |
| 1765 _m_prefetch(dstp + 16); | |
| 1766 | |
| 1767 alpha = *srcp & amask; | |
| 1768 if (alpha == 0) { | |
| 1769 /* do nothing */ | |
| 1770 } else if (alpha == amask) { | |
| 1771 /* copy RGB, keep dst alpha */ | |
| 1772 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 1773 } else { | |
| 1774 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 1775 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 1776 | |
| 1777 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 1778 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 1779 | |
| 1780 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 1781 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 1782 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 1783 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 1784 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 1785 | |
| 1786 /* blend */ | |
| 1787 src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */ | |
| 1788 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */ | |
| 1789 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 1790 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */ | |
| 1791 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 1792 | |
| 1793 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 1794 } | |
| 1795 ++srcp; | |
| 1796 ++dstp; | |
| 1797 }, width); | |
|
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1798 /* *INDENT-ON* */ |
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1799 srcp += srcskip; |
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1800 dstp += dstskip; |
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1801 } |
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1802 _mm_empty(); |
| 1542 | 1803 } |
|
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1804 |
| 1542 | 1805 /* End MSVC_ASMBLIT */ |
| 1806 | |
| 1807 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
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1808 |
|
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1809 /* 16bpp special case for per-surface alpha=50%: blend 2 pixels in parallel */ |
|
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1810 |
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1811 /* blend a single 16 bit pixel at 50% */ |
|
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1812 #define BLEND16_50(d, s, mask) \ |
|
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1813 ((((s & mask) + (d & mask)) >> 1) + (s & d & (~mask & 0xffff))) |
|
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1814 |
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1815 /* blend two 16 bit pixels at 50% */ |
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1816 #define BLEND2x16_50(d, s, mask) \ |
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1817 (((s & (mask | mask << 16)) >> 1) + ((d & (mask | mask << 16)) >> 1) \ |
|
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1818 + (s & d & (~(mask | mask << 16)))) |
|
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1819 |
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1820 static void |
|
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1821 Blit16to16SurfaceAlpha128(SDL_BlitInfo * info, Uint16 mask) |
| 0 | 1822 { |
|
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1823 int width = info->d_width; |
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1824 int height = info->d_height; |
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1825 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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1826 int srcskip = info->s_skip >> 1; |
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1827 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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1828 int dstskip = info->d_skip >> 1; |
| 0 | 1829 |
|
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1830 while (height--) { |
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1831 if (((uintptr_t) srcp ^ (uintptr_t) dstp) & 2) { |
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1832 /* |
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1833 * Source and destination not aligned, pipeline it. |
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1834 * This is mostly a win for big blits but no loss for |
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1835 * small ones |
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1836 */ |
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1837 Uint32 prev_sw; |
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1838 int w = width; |
|
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1839 |
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1840 /* handle odd destination */ |
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1841 if ((uintptr_t) dstp & 2) { |
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1842 Uint16 d = *dstp, s = *srcp; |
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1843 *dstp = BLEND16_50(d, s, mask); |
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1844 dstp++; |
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1845 srcp++; |
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1846 w--; |
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1847 } |
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|
1848 srcp++; /* srcp is now 32-bit aligned */ |
|
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1849 |
|
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1850 /* bootstrap pipeline with first halfword */ |
|
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|
1851 prev_sw = ((Uint32 *) srcp)[-1]; |
|
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1852 |
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|
1853 while (w > 1) { |
|
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1854 Uint32 sw, dw, s; |
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|
1855 sw = *(Uint32 *) srcp; |
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|
1856 dw = *(Uint32 *) dstp; |
|
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1857 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
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|
1858 s = (prev_sw << 16) + (sw >> 16); |
|
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|
1859 #else |
|
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|
1860 s = (prev_sw >> 16) + (sw << 16); |
|
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|
1861 #endif |
|
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|
1862 prev_sw = sw; |
|
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1863 *(Uint32 *) dstp = BLEND2x16_50(dw, s, mask); |
|
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|
1864 dstp += 2; |
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|
1865 srcp += 2; |
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|
1866 w -= 2; |
|
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1867 } |
|
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1868 |
|
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|
1869 /* final pixel if any */ |
|
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1870 if (w) { |
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1871 Uint16 d = *dstp, s; |
|
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1872 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
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|
1873 s = (Uint16) prev_sw; |
|
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1874 #else |
|
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|
1875 s = (Uint16) (prev_sw >> 16); |
|
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|
1876 #endif |
|
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1877 *dstp = BLEND16_50(d, s, mask); |
|
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|
1878 srcp++; |
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1879 dstp++; |
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1880 } |
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|
1881 srcp += srcskip - 1; |
|
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1882 dstp += dstskip; |
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1883 } else { |
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|
1884 /* source and destination are aligned */ |
|
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|
1885 int w = width; |
|
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|
1886 |
|
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|
1887 /* first odd pixel? */ |
|
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1888 if ((uintptr_t) srcp & 2) { |
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|
1889 Uint16 d = *dstp, s = *srcp; |
|
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1890 *dstp = BLEND16_50(d, s, mask); |
|
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|
1891 srcp++; |
|
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1892 dstp++; |
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1893 w--; |
|
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|
1894 } |
|
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|
1895 /* srcp and dstp are now 32-bit aligned */ |
|
1
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|
1896 |
|
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1897 while (w > 1) { |
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1898 Uint32 sw = *(Uint32 *) srcp; |
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1899 Uint32 dw = *(Uint32 *) dstp; |
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1900 *(Uint32 *) dstp = BLEND2x16_50(dw, sw, mask); |
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1901 srcp += 2; |
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1902 dstp += 2; |
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1903 w -= 2; |
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1904 } |
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1905 |
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1906 /* last odd pixel? */ |
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1907 if (w) { |
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1908 Uint16 d = *dstp, s = *srcp; |
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1909 *dstp = BLEND16_50(d, s, mask); |
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1910 srcp++; |
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1911 dstp++; |
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1912 } |
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1913 srcp += srcskip; |
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1914 dstp += dstskip; |
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1915 } |
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1916 } |
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1917 } |
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1918 |
| 1542 | 1919 #if GCC_ASMBLIT |
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1920 /* fast RGB565->RGB565 blending with surface alpha */ |
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1921 static void |
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1922 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
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1923 { |
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1924 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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1925 if (alpha == 128) { |
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1926 Blit16to16SurfaceAlpha128(info, 0xf7de); |
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1927 } else { |
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1928 int width = info->d_width; |
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1929 int height = info->d_height; |
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1930 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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1931 int srcskip = info->s_skip >> 1; |
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1932 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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1933 int dstskip = info->d_skip >> 1; |
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1934 Uint32 s, d; |
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1935 Uint8 load[8]; |
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1936 |
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1937 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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1938 *(Uint64 *) load = alpha; |
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1939 alpha >>= 3; /* downscale alpha to 5 bits */ |
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1940 |
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1941 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
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1942 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
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1943 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
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1944 /* position alpha to allow for mullo and mulhi on diff channels |
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1945 to reduce the number of operations */ |
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1946 psllq_i2r(3, mm0); |
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1947 |
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1948 /* Setup the 565 color channel masks */ |
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1949 *(Uint64 *) load = 0x07E007E007E007E0ULL; |
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1950 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
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1951 *(Uint64 *) load = 0x001F001F001F001FULL; |
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1952 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
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1953 while (height--) { |
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1954 /* *INDENT-OFF* */ |
| 1542 | 1955 DUFFS_LOOP_QUATRO2( |
| 1956 { | |
| 1957 s = *srcp++; | |
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1958 d = *dstp; |
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1959 /* |
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1960 * shift out the middle component (green) to |
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1961 * the high 16 bits, and process all three RGB |
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1962 * components at the same time. |
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1963 */ |
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1964 s = (s | s << 16) & 0x07e0f81f; |
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1965 d = (d | d << 16) & 0x07e0f81f; |
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1966 d += (s - d) * alpha >> 5; |
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1967 d &= 0x07e0f81f; |
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1968 *dstp++ = d | d >> 16; |
| 1542 | 1969 },{ |
| 1970 s = *srcp++; | |
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1971 d = *dstp; |
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1972 /* |
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1973 * shift out the middle component (green) to |
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1974 * the high 16 bits, and process all three RGB |
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1975 * components at the same time. |
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1976 */ |
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1977 s = (s | s << 16) & 0x07e0f81f; |
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1978 d = (d | d << 16) & 0x07e0f81f; |
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1979 d += (s - d) * alpha >> 5; |
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1980 d &= 0x07e0f81f; |
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1981 *dstp++ = d | d >> 16; |
| 1542 | 1982 s = *srcp++; |
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1983 d = *dstp; |
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1984 /* |
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1985 * shift out the middle component (green) to |
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1986 * the high 16 bits, and process all three RGB |
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1987 * components at the same time. |
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1988 */ |
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1989 s = (s | s << 16) & 0x07e0f81f; |
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1990 d = (d | d << 16) & 0x07e0f81f; |
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1991 d += (s - d) * alpha >> 5; |
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1992 d &= 0x07e0f81f; |
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1993 *dstp++ = d | d >> 16; |
| 1542 | 1994 },{ |
| 1995 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 1996 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 1997 | |
| 1998 /* red -- does not need a mask since the right shift clears | |
| 1999 the uninteresting bits */ | |
| 2000 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2001 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2002 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 [000r 000r 000r 000r] */ | |
| 2003 psrlw_i2r(11, mm6); /* mm6 >> 11 -> mm6 [000r 000r 000r 000r] */ | |
| 2004 | |
| 2005 /* blend */ | |
| 2006 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2007 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2008 /* alpha used is actually 11 bits | |
| 2009 11 + 5 = 16 bits, so the sign bits are lost */ | |
| 2010 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2011 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2012 psllw_i2r(11, mm6); /* mm6 << 11 -> mm6 */ | |
| 2013 | |
| 2014 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2015 | |
| 2016 /* green -- process the bits in place */ | |
| 2017 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2018 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2019 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2020 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2021 | |
| 2022 /* blend */ | |
| 2023 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2024 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2025 /* 11 + 11 - 16 = 6 bits, so all the lower uninteresting | |
| 2026 bits are gone and the sign bits present */ | |
| 2027 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2028 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2029 | |
| 2030 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2031 | |
| 2032 /* blue */ | |
| 2033 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2034 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2035 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2036 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2037 | |
| 2038 /* blend */ | |
| 2039 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2040 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2041 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2042 the interesting bits will need to be MASKed */ | |
| 2043 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2044 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2045 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2046 | |
| 2047 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2048 | |
| 2049 movq_r2m(mm1, *dstp); /* mm1 -> 4 dst pixels */ | |
| 2050 | |
| 2051 srcp += 4; | |
| 2052 dstp += 4; | |
| 2053 }, width); | |
|
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2054 /* *INDENT-ON* */ |
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2055 srcp += srcskip; |
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2056 dstp += dstskip; |
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2057 } |
|
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2058 emms(); |
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2059 } |
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2060 } |
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2061 |
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2062 /* fast RGB555->RGB555 blending with surface alpha */ |
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2063 static void |
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2064 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
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2065 { |
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2066 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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2067 if (alpha == 128) { |
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2068 Blit16to16SurfaceAlpha128(info, 0xfbde); |
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2069 } else { |
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2070 int width = info->d_width; |
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2071 int height = info->d_height; |
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2072 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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2073 int srcskip = info->s_skip >> 1; |
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2074 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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2075 int dstskip = info->d_skip >> 1; |
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2076 Uint32 s, d; |
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2077 Uint8 load[8]; |
|
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2078 |
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2079 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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2080 *(Uint64 *) load = alpha; |
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2081 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2082 |
|
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2083 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
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2084 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
|
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2085 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
|
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2086 /* position alpha to allow for mullo and mulhi on diff channels |
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2087 to reduce the number of operations */ |
|
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2088 psllq_i2r(3, mm0); |
|
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2089 |
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2090 /* Setup the 555 color channel masks */ |
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2091 *(Uint64 *) load = 0x03E003E003E003E0ULL; |
|
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2092 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
|
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2093 *(Uint64 *) load = 0x001F001F001F001FULL; |
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2094 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
|
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2095 while (height--) { |
|
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2096 /* *INDENT-OFF* */ |
| 1542 | 2097 DUFFS_LOOP_QUATRO2( |
| 2098 { | |
| 2099 s = *srcp++; | |
|
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2100 d = *dstp; |
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2101 /* |
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2102 * shift out the middle component (green) to |
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2103 * the high 16 bits, and process all three RGB |
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2104 * components at the same time. |
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2105 */ |
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2106 s = (s | s << 16) & 0x03e07c1f; |
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2107 d = (d | d << 16) & 0x03e07c1f; |
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2108 d += (s - d) * alpha >> 5; |
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2109 d &= 0x03e07c1f; |
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2110 *dstp++ = d | d >> 16; |
| 1542 | 2111 },{ |
| 2112 s = *srcp++; | |
|
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2113 d = *dstp; |
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2114 /* |
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2115 * shift out the middle component (green) to |
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2116 * the high 16 bits, and process all three RGB |
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2117 * components at the same time. |
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2118 */ |
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2119 s = (s | s << 16) & 0x03e07c1f; |
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2120 d = (d | d << 16) & 0x03e07c1f; |
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2121 d += (s - d) * alpha >> 5; |
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2122 d &= 0x03e07c1f; |
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2123 *dstp++ = d | d >> 16; |
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2124 s = *srcp++; |
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2125 d = *dstp; |
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2126 /* |
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2127 * shift out the middle component (green) to |
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2128 * the high 16 bits, and process all three RGB |
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2129 * components at the same time. |
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2130 */ |
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2131 s = (s | s << 16) & 0x03e07c1f; |
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2132 d = (d | d << 16) & 0x03e07c1f; |
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2133 d += (s - d) * alpha >> 5; |
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2134 d &= 0x03e07c1f; |
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2135 *dstp++ = d | d >> 16; |
| 1542 | 2136 },{ |
| 2137 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2138 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2139 | |
| 2140 /* red -- process the bits in place */ | |
| 2141 psllq_i2r(5, mm4); /* turn MASKGREEN into MASKRED */ | |
| 2142 /* by reusing the GREEN mask we free up another mmx | |
| 2143 register to accumulate the result */ | |
| 2144 | |
| 2145 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2146 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2147 pand_r2r(mm4, mm5); /* src & MASKRED -> mm5 */ | |
| 2148 pand_r2r(mm4, mm6); /* dst & MASKRED -> mm6 */ | |
| 2149 | |
| 2150 /* blend */ | |
| 2151 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2152 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2153 /* 11 + 15 - 16 = 10 bits, uninteresting bits will be | |
| 2154 cleared by a MASK below */ | |
| 2155 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2156 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2157 pand_r2r(mm4, mm6); /* mm6 & MASKRED -> mm6 */ | |
| 2158 | |
| 2159 psrlq_i2r(5, mm4); /* turn MASKRED back into MASKGREEN */ | |
| 2160 | |
| 2161 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2162 | |
| 2163 /* green -- process the bits in place */ | |
| 2164 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2165 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2166 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2167 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2168 | |
| 2169 /* blend */ | |
| 2170 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2171 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2172 /* 11 + 10 - 16 = 5 bits, so all the lower uninteresting | |
| 2173 bits are gone and the sign bits present */ | |
| 2174 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2175 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2176 | |
| 2177 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2178 | |
| 2179 /* blue */ | |
| 2180 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2181 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2182 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2183 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2184 | |
| 2185 /* blend */ | |
| 2186 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2187 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2188 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2189 the interesting bits will need to be MASKed */ | |
| 2190 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2191 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2192 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2193 | |
| 2194 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2195 | |
| 2196 movq_r2m(mm1, *dstp);/* mm1 -> 4 dst pixels */ | |
| 2197 | |
| 2198 srcp += 4; | |
| 2199 dstp += 4; | |
|
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2200 }, width); |
|
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2201 /* *INDENT-ON* */ |
|
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|
2202 srcp += srcskip; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
2203 dstp += dstskip; |
|
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2204 } |
|
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|
2205 emms(); |
|
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|
2206 } |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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|
2207 } |
|
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|
2208 |
| 1542 | 2209 /* End GCC_ASMBLIT */ |
| 2210 | |
| 2211 #elif MSVC_ASMBLIT | |
| 2212 /* fast RGB565->RGB565 blending with surface alpha */ | |
|
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|
2213 static void |
|
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|
2214 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2215 { |
|
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|
2216 unsigned alpha = info->src->alpha; |
|
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|
2217 if (alpha == 128) { |
|
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|
2218 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
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|
2219 } else { |
|
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|
2220 int width = info->d_width; |
|
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2221 int height = info->d_height; |
|
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2222 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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2223 int srcskip = info->s_skip >> 1; |
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2224 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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2225 int dstskip = info->d_skip >> 1; |
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|
2226 Uint32 s, d; |
|
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|
2227 |
|
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|
2228 __m64 src1, dst1, src2, dst2, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2229 |
|
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2230 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
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2231 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
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|
2232 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2233 |
|
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|
2234 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
|
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|
2235 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
|
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|
2236 /* position alpha to allow for mullo and mulhi on diff channels |
|
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|
2237 to reduce the number of operations */ |
|
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|
2238 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
|
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|
2239 |
|
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|
2240 /* Setup the 565 color channel masks */ |
|
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|
2241 gmask = _mm_set_pi32(0x07E007E0, 0x07E007E0); /* MASKGREEN -> gmask */ |
|
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|
2242 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
|
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|
2243 |
|
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|
2244 while (height--) { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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|
2245 /* *INDENT-OFF* */ |
| 1542 | 2246 DUFFS_LOOP_QUATRO2( |
| 2247 { | |
| 2248 s = *srcp++; | |
| 2249 d = *dstp; | |
| 2250 /* | |
| 2251 * shift out the middle component (green) to | |
| 2252 * the high 16 bits, and process all three RGB | |
| 2253 * components at the same time. | |
| 2254 */ | |
| 2255 s = (s | s << 16) & 0x07e0f81f; | |
| 2256 d = (d | d << 16) & 0x07e0f81f; | |
| 2257 d += (s - d) * alpha >> 5; | |
| 2258 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2259 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2260 },{ |
| 2261 s = *srcp++; | |
| 2262 d = *dstp; | |
| 2263 /* | |
| 2264 * shift out the middle component (green) to | |
| 2265 * the high 16 bits, and process all three RGB | |
| 2266 * components at the same time. | |
| 2267 */ | |
| 2268 s = (s | s << 16) & 0x07e0f81f; | |
| 2269 d = (d | d << 16) & 0x07e0f81f; | |
| 2270 d += (s - d) * alpha >> 5; | |
| 2271 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2272 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2273 s = *srcp++; |
| 2274 d = *dstp; | |
| 2275 /* | |
| 2276 * shift out the middle component (green) to | |
| 2277 * the high 16 bits, and process all three RGB | |
| 2278 * components at the same time. | |
| 2279 */ | |
| 2280 s = (s | s << 16) & 0x07e0f81f; | |
| 2281 d = (d | d << 16) & 0x07e0f81f; | |
| 2282 d += (s - d) * alpha >> 5; | |
| 2283 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
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1542
diff
changeset
|
2284 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2285 },{ |
| 2286 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2287 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2288 | |
| 2289 /* red */ | |
| 2290 src2 = src1; | |
| 2291 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 [000r 000r 000r 000r] */ | |
| 2292 | |
| 2293 dst2 = dst1; | |
| 2294 dst2 = _mm_srli_pi16(dst2, 11); /* dst2 >> 11 -> dst2 [000r 000r 000r 000r] */ | |
| 2295 | |
| 2296 /* blend */ | |
| 2297 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2298 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2299 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2300 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2301 dst2 = _mm_slli_pi16(dst2, 11); /* dst2 << 11 -> dst2 */ | |
| 2302 | |
| 2303 mm_res = dst2; /* RED -> mm_res */ | |
| 2304 | |
| 2305 /* green -- process the bits in place */ | |
| 2306 src2 = src1; | |
| 2307 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2308 | |
| 2309 dst2 = dst1; | |
| 2310 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2311 | |
| 2312 /* blend */ | |
| 2313 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2314 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2315 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2316 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2317 | |
| 2318 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2319 | |
| 2320 /* blue */ | |
| 2321 src2 = src1; | |
| 2322 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2323 | |
| 2324 dst2 = dst1; | |
| 2325 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2326 | |
| 2327 /* blend */ | |
| 2328 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2329 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2330 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2331 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2332 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2333 | |
| 2334 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2335 | |
| 2336 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2337 | |
| 2338 srcp += 4; | |
| 2339 dstp += 4; | |
|
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|
2340 }, width); |
|
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|
2341 /* *INDENT-ON* */ |
|
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|
2342 srcp += srcskip; |
|
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|
2343 dstp += dstskip; |
|
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|
2344 } |
|
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|
2345 _mm_empty(); |
|
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|
2346 } |
| 1542 | 2347 } |
| 2348 | |
| 2349 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
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|
2350 static void |
|
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|
2351 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2352 { |
|
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|
2353 unsigned alpha = info->src->alpha; |
|
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|
2354 if (alpha == 128) { |
|
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|
2355 Blit16to16SurfaceAlpha128(info, 0xfbde); |
|
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|
2356 } else { |
|
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|
2357 int width = info->d_width; |
|
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|
2358 int height = info->d_height; |
|
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|
2359 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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|
2360 int srcskip = info->s_skip >> 1; |
|
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|
2361 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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|
2362 int dstskip = info->d_skip >> 1; |
|
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|
2363 Uint32 s, d; |
|
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|
2364 |
|
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|
2365 __m64 src1, dst1, src2, dst2, rmask, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2366 |
|
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|
2367 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
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|
2368 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
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|
2369 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2370 |
|
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|
2371 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
|
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|
2372 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
|
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|
2373 /* position alpha to allow for mullo and mulhi on diff channels |
|
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|
2374 to reduce the number of operations */ |
|
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|
2375 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
| 1542 | 2376 |
|
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|
2377 /* Setup the 555 color channel masks */ |
|
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|
2378 rmask = _mm_set_pi32(0x7C007C00, 0x7C007C00); /* MASKRED -> rmask */ |
|
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|
2379 gmask = _mm_set_pi32(0x03E003E0, 0x03E003E0); /* MASKGREEN -> gmask */ |
|
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2380 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2381 |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2382 while (height--) { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2383 /* *INDENT-OFF* */ |
| 1542 | 2384 DUFFS_LOOP_QUATRO2( |
| 2385 { | |
| 2386 s = *srcp++; | |
| 2387 d = *dstp; | |
| 2388 /* | |
| 2389 * shift out the middle component (green) to | |
| 2390 * the high 16 bits, and process all three RGB | |
| 2391 * components at the same time. | |
| 2392 */ | |
| 2393 s = (s | s << 16) & 0x03e07c1f; | |
| 2394 d = (d | d << 16) & 0x03e07c1f; | |
| 2395 d += (s - d) * alpha >> 5; | |
| 2396 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2397 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2398 },{ |
| 2399 s = *srcp++; | |
| 2400 d = *dstp; | |
| 2401 /* | |
| 2402 * shift out the middle component (green) to | |
| 2403 * the high 16 bits, and process all three RGB | |
| 2404 * components at the same time. | |
| 2405 */ | |
| 2406 s = (s | s << 16) & 0x03e07c1f; | |
| 2407 d = (d | d << 16) & 0x03e07c1f; | |
| 2408 d += (s - d) * alpha >> 5; | |
| 2409 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2410 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2411 s = *srcp++; |
| 2412 d = *dstp; | |
| 2413 /* | |
| 2414 * shift out the middle component (green) to | |
| 2415 * the high 16 bits, and process all three RGB | |
| 2416 * components at the same time. | |
| 2417 */ | |
| 2418 s = (s | s << 16) & 0x03e07c1f; | |
| 2419 d = (d | d << 16) & 0x03e07c1f; | |
| 2420 d += (s - d) * alpha >> 5; | |
| 2421 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2422 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2423 },{ |
| 2424 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2425 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2426 | |
| 2427 /* red -- process the bits in place */ | |
| 2428 src2 = src1; | |
| 2429 src2 = _mm_and_si64(src2, rmask); /* src & MASKRED -> src2 */ | |
| 2430 | |
| 2431 dst2 = dst1; | |
| 2432 dst2 = _mm_and_si64(dst2, rmask); /* dst & MASKRED -> dst2 */ | |
| 2433 | |
| 2434 /* blend */ | |
| 2435 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2436 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2437 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2438 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2439 dst2 = _mm_and_si64(dst2, rmask); /* dst2 & MASKRED -> dst2 */ | |
| 2440 | |
| 2441 mm_res = dst2; /* RED -> mm_res */ | |
| 2442 | |
| 2443 /* green -- process the bits in place */ | |
| 2444 src2 = src1; | |
| 2445 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2446 | |
| 2447 dst2 = dst1; | |
| 2448 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2449 | |
| 2450 /* blend */ | |
| 2451 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2452 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2453 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2454 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2455 | |
| 2456 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2457 | |
| 2458 /* blue */ | |
| 2459 src2 = src1; /* src -> src2 */ | |
| 2460 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2461 | |
| 2462 dst2 = dst1; /* dst -> dst2 */ | |
| 2463 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2464 | |
| 2465 /* blend */ | |
| 2466 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2467 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2468 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2469 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2470 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2471 | |
| 2472 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2473 | |
| 2474 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2475 | |
| 2476 srcp += 4; | |
| 2477 dstp += 4; | |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
2478 }, width); |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2479 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2480 srcp += srcskip; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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1659
diff
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|
2481 dstp += dstskip; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents:
1659
diff
changeset
|
2482 } |
|
1668
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more tweaking indent options
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diff
changeset
|
2483 _mm_empty(); |
|
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Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2484 } |
| 1542 | 2485 } |
| 2486 #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
|
2487 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2488 /* fast RGB565->RGB565 blending with surface alpha */ |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2489 static void |
|
1668
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parents:
1662
diff
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|
2490 Blit565to565SurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2491 { |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2492 unsigned alpha = info->src->alpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1659
diff
changeset
|
2493 if (alpha == 128) { |
|
1668
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more tweaking indent options
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1662
diff
changeset
|
2494 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2495 } else { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1659
diff
changeset
|
2496 int width = info->d_width; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1659
diff
changeset
|
2497 int height = info->d_height; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1659
diff
changeset
|
2498 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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1659
diff
changeset
|
2499 int srcskip = info->s_skip >> 1; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1659
diff
changeset
|
2500 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents:
1659
diff
changeset
|
2501 int dstskip = info->d_skip >> 1; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1659
diff
changeset
|
2502 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
|
2503 |
|
1662
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|
2504 while (height--) { |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
2505 /* *INDENT-OFF* */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2506 DUFFS_LOOP4({ |
|
cf2af46e9e2a
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Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2507 Uint32 s = *srcp++; |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2508 Uint32 d = *dstp; |
|
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Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2509 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2510 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2511 * 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
|
2512 * components at the same time. |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
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|
2513 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2514 s = (s | s << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2515 d = (d | d << 16) & 0x07e0f81f; |
|
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Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2516 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2517 d &= 0x07e0f81f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2518 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2519 }, width); |
|
1662
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parents:
1659
diff
changeset
|
2520 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2521 srcp += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2522 dstp += dstskip; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2523 } |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2524 } |
| 0 | 2525 } |
| 2526 | |
| 2527 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
2528 static void |
|
1668
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changeset
|
2529 Blit555to555SurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2530 { |
|
1662
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2531 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
|
782fd950bd46
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diff
changeset
|
2532 if (alpha == 128) { |
|
1668
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|
2533 Blit16to16SurfaceAlpha128(info, 0xfbde); |
|
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changeset
|
2534 } else { |
|
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parents:
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changeset
|
2535 int width = info->d_width; |
|
782fd950bd46
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|
2536 int height = info->d_height; |
|
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parents:
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diff
changeset
|
2537 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
2538 int srcskip = info->s_skip >> 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff
changeset
|
2539 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff
changeset
|
2540 int dstskip = info->d_skip >> 1; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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changeset
|
2541 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 0 | 2542 |
|
1662
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changeset
|
2543 while (height--) { |
|
782fd950bd46
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changeset
|
2544 /* *INDENT-OFF* */ |
|
1
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Changes since SDL 1.2.0 release
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parents:
0
diff
changeset
|
2545 DUFFS_LOOP4({ |
|
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0
diff
changeset
|
2546 Uint32 s = *srcp++; |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
2547 Uint32 d = *dstp; |
|
cf2af46e9e2a
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parents:
0
diff
changeset
|
2548 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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0
diff
changeset
|
2549 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2550 * 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
|
2551 * components at the same time. |
|
cf2af46e9e2a
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Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2552 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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parents:
0
diff
changeset
|
2553 s = (s | s << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
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parents:
0
diff
changeset
|
2554 d = (d | d << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2555 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2556 d &= 0x03e07c1f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2557 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2558 }, width); |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2559 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2560 srcp += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2561 dstp += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2562 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2563 } |
| 0 | 2564 } |
| 2565 | |
| 2566 /* fast ARGB8888->RGB565 blending with pixel alpha */ | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2567 static void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2568 BlitARGBto565PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2569 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2570 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2571 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2572 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2573 int srcskip = info->s_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2574 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2575 int dstskip = info->d_skip >> 1; |
| 0 | 2576 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2577 while (height--) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2578 /* *INDENT-OFF* */ |
| 0 | 2579 DUFFS_LOOP4({ |
| 2580 Uint32 s = *srcp; | |
| 2581 unsigned alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2582 /* FIXME: Here we special-case opaque alpha since the | |
| 2583 compositioning used (>>8 instead of /255) doesn't handle | |
| 2584 it correctly. Also special-case alpha=0 for speed? | |
| 2585 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2586 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2587 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2588 *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
|
2589 } else { |
| 0 | 2590 Uint32 d = *dstp; |
| 2591 /* | |
| 2592 * convert source and destination to G0RAB65565 | |
| 2593 * and blend all components at the same time | |
| 2594 */ | |
| 2595 s = ((s & 0xfc00) << 11) + (s >> 8 & 0xf800) | |
| 2596 + (s >> 3 & 0x1f); | |
| 2597 d = (d | d << 16) & 0x07e0f81f; | |
| 2598 d += (s - d) * alpha >> 5; | |
| 2599 d &= 0x07e0f81f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2600 *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
|
2601 } |
| 0 | 2602 } |
| 2603 srcp++; | |
| 2604 dstp++; | |
| 2605 }, width); | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2606 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2607 srcp += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2608 dstp += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2609 } |
| 0 | 2610 } |
| 2611 | |
| 2612 /* fast ARGB8888->RGB555 blending with pixel alpha */ | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2613 static void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2614 BlitARGBto555PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2615 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2616 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2617 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2618 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2619 int srcskip = info->s_skip >> 2; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2620 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2621 int dstskip = info->d_skip >> 1; |
| 0 | 2622 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2623 while (height--) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2624 /* *INDENT-OFF* */ |
| 0 | 2625 DUFFS_LOOP4({ |
| 2626 unsigned alpha; | |
| 2627 Uint32 s = *srcp; | |
| 2628 alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2629 /* FIXME: Here we special-case opaque alpha since the | |
| 2630 compositioning used (>>8 instead of /255) doesn't handle | |
| 2631 it correctly. Also special-case alpha=0 for speed? | |
| 2632 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2633 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2634 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2635 *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
|
2636 } else { |
| 0 | 2637 Uint32 d = *dstp; |
| 2638 /* | |
| 2639 * convert source and destination to G0RAB65565 | |
| 2640 * and blend all components at the same time | |
| 2641 */ | |
| 2642 s = ((s & 0xf800) << 10) + (s >> 9 & 0x7c00) | |
| 2643 + (s >> 3 & 0x1f); | |
| 2644 d = (d | d << 16) & 0x03e07c1f; | |
| 2645 d += (s - d) * alpha >> 5; | |
| 2646 d &= 0x03e07c1f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2647 *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
|
2648 } |
| 0 | 2649 } |
| 2650 srcp++; | |
| 2651 dstp++; | |
| 2652 }, width); | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2653 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2654 srcp += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2655 dstp += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2656 } |
| 0 | 2657 } |
| 2658 | |
| 2659 /* General (slow) N->N blending with per-surface alpha */ | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2660 static void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2661 BlitNtoNSurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2662 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2663 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2664 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2665 Uint8 *src = info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2666 int srcskip = info->s_skip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2667 Uint8 *dst = info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2668 int dstskip = info->d_skip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2669 SDL_PixelFormat *srcfmt = info->src; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2670 SDL_PixelFormat *dstfmt = info->dst; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2671 int srcbpp = srcfmt->BytesPerPixel; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2672 int dstbpp = dstfmt->BytesPerPixel; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2673 unsigned sA = srcfmt->alpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2674 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2675 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2676 if (sA) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2677 while (height--) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2678 /* *INDENT-OFF* */ |
| 0 | 2679 DUFFS_LOOP4( |
| 2680 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2681 Uint32 Pixel; |
| 0 | 2682 unsigned sR; |
| 2683 unsigned sG; | |
| 2684 unsigned sB; | |
| 2685 unsigned dR; | |
| 2686 unsigned dG; | |
| 2687 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
|
2688 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
|
2689 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2690 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2691 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2692 src += srcbpp; | |
| 2693 dst += dstbpp; | |
| 2694 }, | |
| 2695 width); | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2696 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2697 src += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2698 dst += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2699 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2700 } |
| 0 | 2701 } |
| 2702 | |
| 2703 /* General (slow) colorkeyed N->N blending with per-surface alpha */ | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2704 static void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2705 BlitNtoNSurfaceAlphaKey(SDL_BlitInfo * info) |
| 0 | 2706 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2707 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2708 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2709 Uint8 *src = info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2710 int srcskip = info->s_skip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2711 Uint8 *dst = info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2712 int dstskip = info->d_skip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2713 SDL_PixelFormat *srcfmt = info->src; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2714 SDL_PixelFormat *dstfmt = info->dst; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2715 Uint32 ckey = srcfmt->colorkey; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2716 int srcbpp = srcfmt->BytesPerPixel; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2717 int dstbpp = dstfmt->BytesPerPixel; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2718 unsigned sA = srcfmt->alpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2719 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2720 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2721 while (height--) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2722 /* *INDENT-OFF* */ |
| 0 | 2723 DUFFS_LOOP4( |
| 2724 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2725 Uint32 Pixel; |
| 0 | 2726 unsigned sR; |
| 2727 unsigned sG; | |
| 2728 unsigned sB; | |
| 2729 unsigned dR; | |
| 2730 unsigned dG; | |
| 2731 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
|
2732 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
|
2733 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
|
2734 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
|
2735 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2736 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2737 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2738 } | |
| 2739 src += srcbpp; | |
| 2740 dst += dstbpp; | |
| 2741 }, | |
| 2742 width); | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2743 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2744 src += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2745 dst += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2746 } |
| 0 | 2747 } |
| 2748 | |
| 2749 /* General (slow) N->N blending with pixel alpha */ | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2750 static void |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2751 BlitNtoNPixelAlpha(SDL_BlitInfo * info) |
| 0 | 2752 { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2753 int width = info->d_width; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2754 int height = info->d_height; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2755 Uint8 *src = info->s_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2756 int srcskip = info->s_skip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2757 Uint8 *dst = info->d_pixels; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2758 int dstskip = info->d_skip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2759 SDL_PixelFormat *srcfmt = info->src; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2760 SDL_PixelFormat *dstfmt = info->dst; |
| 0 | 2761 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2762 int srcbpp; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2763 int dstbpp; |
| 0 | 2764 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2765 /* Set up some basic variables */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2766 srcbpp = srcfmt->BytesPerPixel; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2767 dstbpp = dstfmt->BytesPerPixel; |
| 0 | 2768 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2769 /* FIXME: for 8bpp source alpha, this doesn't get opaque values |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2770 quite right. for <8bpp source alpha, it gets them very wrong |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2771 (check all macros!) |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2772 It is unclear whether there is a good general solution that doesn't |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2773 need a branch (or a divide). */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2774 while (height--) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2775 /* *INDENT-OFF* */ |
| 0 | 2776 DUFFS_LOOP4( |
| 2777 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2778 Uint32 Pixel; |
| 0 | 2779 unsigned sR; |
| 2780 unsigned sG; | |
| 2781 unsigned sB; | |
| 2782 unsigned dR; | |
| 2783 unsigned dG; | |
| 2784 unsigned dB; | |
| 2785 unsigned sA; | |
| 2786 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
|
2787 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
|
2788 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
|
2789 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
|
2790 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
|
2791 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
|
2792 } |
| 0 | 2793 src += srcbpp; |
| 2794 dst += dstbpp; | |
| 2795 }, | |
| 2796 width); | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2797 /* *INDENT-ON* */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2798 src += srcskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2799 dst += dstskip; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2800 } |
| 0 | 2801 } |
| 2802 | |
| 2803 | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2804 SDL_loblit |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2805 SDL_CalculateAlphaBlit(SDL_Surface * surface, int blit_index) |
| 0 | 2806 { |
| 2807 SDL_PixelFormat *sf = surface->format; | |
| 2808 SDL_PixelFormat *df = surface->map->dst->format; | |
| 2809 | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2810 if (sf->Amask == 0) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2811 if ((surface->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2812 if (df->BytesPerPixel == 1) |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2813 return BlitNto1SurfaceAlphaKey; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2814 else |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2815 #if SDL_ALTIVEC_BLITTERS |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2816 if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 && |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2817 !(surface->map->dst->flags & SDL_HWSURFACE) |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2818 && SDL_HasAltiVec()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2819 return Blit32to32SurfaceAlphaKeyAltivec; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2820 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2821 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2822 return BlitNtoNSurfaceAlphaKey; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2823 } else { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2824 /* Per-surface alpha blits */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2825 switch (df->BytesPerPixel) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2826 case 1: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2827 return BlitNto1SurfaceAlpha; |
| 0 | 2828 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2829 case 2: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2830 if (surface->map->identity) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2831 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
|
2832 #if MMX_ASMBLIT |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2833 if (SDL_HasMMX()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2834 return Blit565to565SurfaceAlphaMMX; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2835 else |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2836 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2837 return Blit565to565SurfaceAlpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2838 } 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
|
2839 #if MMX_ASMBLIT |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2840 if (SDL_HasMMX()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2841 return Blit555to555SurfaceAlphaMMX; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2842 else |
| 1542 | 2843 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2844 return Blit555to555SurfaceAlpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2845 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2846 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2847 return BlitNtoNSurfaceAlpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2848 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2849 case 4: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2850 if (sf->Rmask == df->Rmask |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2851 && sf->Gmask == df->Gmask |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2852 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2853 #if MMX_ASMBLIT |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2854 if (sf->Rshift % 8 == 0 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2855 && sf->Gshift % 8 == 0 |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2856 && sf->Bshift % 8 == 0 && SDL_HasMMX()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2857 return BlitRGBtoRGBSurfaceAlphaMMX; |
| 1542 | 2858 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2859 if ((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) { |
| 1542 | 2860 #if SDL_ALTIVEC_BLITTERS |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2861 if (!(surface->map->dst->flags & SDL_HWSURFACE) |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2862 && SDL_HasAltiVec()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2863 return BlitRGBtoRGBSurfaceAlphaAltivec; |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2864 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2865 return BlitRGBtoRGBSurfaceAlpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2866 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2867 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2868 #if SDL_ALTIVEC_BLITTERS |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2869 if ((sf->BytesPerPixel == 4) && |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2870 !(surface->map->dst->flags & SDL_HWSURFACE) |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2871 && SDL_HasAltiVec()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2872 return Blit32to32SurfaceAlphaAltivec; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2873 else |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2874 #endif |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2875 return BlitNtoNSurfaceAlpha; |
| 0 | 2876 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2877 case 3: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2878 default: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2879 return BlitNtoNSurfaceAlpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2880 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2881 } |
| 0 | 2882 } else { |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2883 /* Per-pixel alpha blits */ |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2884 switch (df->BytesPerPixel) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2885 case 1: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2886 return BlitNto1PixelAlpha; |
| 0 | 2887 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2888 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
|
2889 #if SDL_ALTIVEC_BLITTERS |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2890 if (sf->BytesPerPixel == 4 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2891 && !(surface->map->dst->flags & SDL_HWSURFACE) |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2892 && df->Gmask == 0x7e0 && df->Bmask == 0x1f |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2893 && SDL_HasAltiVec()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2894 return Blit32to565PixelAlphaAltivec; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2895 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2896 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2897 if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2898 && sf->Gmask == 0xff00 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2899 && ((sf->Rmask == 0xff && df->Rmask == 0x1f) |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2900 || (sf->Bmask == 0xff && df->Bmask == 0x1f))) { |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2901 if (df->Gmask == 0x7e0) |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2902 return BlitARGBto565PixelAlpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2903 else if (df->Gmask == 0x3e0) |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2904 return BlitARGBto555PixelAlpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2905 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2906 return BlitNtoNPixelAlpha; |
| 0 | 2907 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2908 case 4: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2909 if (sf->Rmask == df->Rmask |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2910 && sf->Gmask == df->Gmask |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2911 && 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
|
2912 #if MMX_ASMBLIT |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2913 if (sf->Rshift % 8 == 0 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2914 && sf->Gshift % 8 == 0 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2915 && sf->Bshift % 8 == 0 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2916 && sf->Ashift % 8 == 0 && sf->Aloss == 0) { |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2917 if (SDL_Has3DNow()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2918 return BlitRGBtoRGBPixelAlphaMMX3DNOW; |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2919 if (SDL_HasMMX()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2920 return BlitRGBtoRGBPixelAlphaMMX; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2921 } |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2922 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2923 if (sf->Amask == 0xff000000) { |
|
1617
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2924 #if SDL_ALTIVEC_BLITTERS |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2925 if (!(surface->map->dst->flags & SDL_HWSURFACE) |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2926 && SDL_HasAltiVec()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2927 return BlitRGBtoRGBPixelAlphaAltivec; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2928 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2929 return BlitRGBtoRGBPixelAlpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2930 } |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2931 } |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2932 #if SDL_ALTIVEC_BLITTERS |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2933 if (sf->Amask && sf->BytesPerPixel == 4 && |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2934 !(surface->map->dst->flags & SDL_HWSURFACE) |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
2935 && SDL_HasAltiVec()) |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2936 return Blit32to32PixelAlphaAltivec; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2937 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2938 #endif |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2939 return BlitNtoNPixelAlpha; |
| 0 | 2940 |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2941 case 3: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2942 default: |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2943 return BlitNtoNPixelAlpha; |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2944 } |
| 0 | 2945 } |
| 2946 } | |
| 2947 | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1659
diff
changeset
|
2948 /* vi: set ts=4 sw=4 expandtab: */ |