Mercurial > sdl-ios-xcode
annotate src/video/SDL_blit_A.c @ 2247:93994f65c74c
Removed hermes since it's LGPL and not compatible with a commercial license.
Prepping for using MMX and SSE intrinsics instead of inline assembly.
.. except for memcpy equivalents which only get faster if they can
exploit the parallelism of loading into multiple SIMD registers. :)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 15 Aug 2007 08:21:10 +0000 |
| parents | 6630fefab312 |
| children | 17b2369756be |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
|
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 #include "SDL_video.h" | |
| 25 #include "SDL_blit.h" | |
| 26 | |
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27 /* |
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28 In Visual C, VC6 has mmintrin.h in the "Processor Pack" add-on. |
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29 Checking if _mm_free is #defined in malloc.h is is the only way to |
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30 determine if the Processor Pack is installed, as far as I can tell. |
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31 */ |
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32 |
| 1542 | 33 #if SDL_ASSEMBLY_ROUTINES |
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34 # if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) |
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35 # define MMX_ASMBLIT 1 |
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36 # define GCC_ASMBLIT 1 |
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37 # elif defined(_MSC_VER) && defined(_M_IX86) |
| 2141 | 38 # if (_MSC_VER <= 1200) |
| 39 # include <malloc.h> | |
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40 # if defined(_mm_free) |
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41 # define HAVE_MMINTRIN_H 1 |
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42 # endif |
| 2141 | 43 # else /* Visual Studio > VC6 always has mmintrin.h */ |
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44 # define HAVE_MMINTRIN_H 1 |
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45 # endif |
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46 # if HAVE_MMINTRIN_H |
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47 # define MMX_ASMBLIT 1 |
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48 # define MSVC_ASMBLIT 1 |
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49 # endif |
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50 # endif |
| 1542 | 51 #endif /* SDL_ASSEMBLY_ROUTINES */ |
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52 |
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53 /* Function to check the CPU flags */ |
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54 #include "SDL_cpuinfo.h" |
| 1542 | 55 #if GCC_ASMBLIT |
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56 #include "mmx.h" |
| 1542 | 57 #elif MSVC_ASMBLIT |
| 58 #include <mmintrin.h> | |
| 59 #include <mm3dnow.h> | |
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60 #endif |
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61 |
| 0 | 62 /* Functions to perform alpha blended blitting */ |
| 63 | |
| 64 /* N->1 blending with per-surface alpha */ | |
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65 static void |
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66 BlitNto1SurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 67 { |
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68 int width = info->d_width; |
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69 int height = info->d_height; |
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70 Uint8 *src = info->s_pixels; |
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71 int srcskip = info->s_skip; |
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72 Uint8 *dst = info->d_pixels; |
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73 int dstskip = info->d_skip; |
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74 Uint8 *palmap = info->table; |
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75 SDL_PixelFormat *srcfmt = info->src; |
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76 SDL_PixelFormat *dstfmt = info->dst; |
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77 int srcbpp = srcfmt->BytesPerPixel; |
| 0 | 78 |
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79 const unsigned A = srcfmt->alpha; |
| 0 | 80 |
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81 while (height--) { |
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82 /* *INDENT-OFF* */ |
| 0 | 83 DUFFS_LOOP4( |
| 84 { | |
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85 Uint32 Pixel; |
| 0 | 86 unsigned sR; |
| 87 unsigned sG; | |
| 88 unsigned sB; | |
| 89 unsigned dR; | |
| 90 unsigned dG; | |
| 91 unsigned dB; | |
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92 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
| 0 | 93 dR = dstfmt->palette->colors[*dst].r; |
| 94 dG = dstfmt->palette->colors[*dst].g; | |
| 95 dB = dstfmt->palette->colors[*dst].b; | |
| 96 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
| 97 dR &= 0xff; | |
| 98 dG &= 0xff; | |
| 99 dB &= 0xff; | |
| 100 /* Pack RGB into 8bit pixel */ | |
| 101 if ( palmap == NULL ) { | |
| 102 *dst =((dR>>5)<<(3+2))| | |
| 103 ((dG>>5)<<(2))| | |
| 104 ((dB>>6)<<(0)); | |
| 105 } else { | |
| 106 *dst = palmap[((dR>>5)<<(3+2))| | |
| 107 ((dG>>5)<<(2)) | | |
| 108 ((dB>>6)<<(0))]; | |
| 109 } | |
| 110 dst++; | |
| 111 src += srcbpp; | |
| 112 }, | |
| 113 width); | |
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114 /* *INDENT-ON* */ |
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115 src += srcskip; |
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116 dst += dstskip; |
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117 } |
| 0 | 118 } |
| 119 | |
| 120 /* N->1 blending with pixel alpha */ | |
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121 static void |
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122 BlitNto1PixelAlpha(SDL_BlitInfo * info) |
| 0 | 123 { |
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124 int width = info->d_width; |
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125 int height = info->d_height; |
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126 Uint8 *src = info->s_pixels; |
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127 int srcskip = info->s_skip; |
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128 Uint8 *dst = info->d_pixels; |
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129 int dstskip = info->d_skip; |
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130 Uint8 *palmap = info->table; |
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131 SDL_PixelFormat *srcfmt = info->src; |
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132 SDL_PixelFormat *dstfmt = info->dst; |
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133 int srcbpp = srcfmt->BytesPerPixel; |
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135 /* FIXME: fix alpha bit field expansion here too? */ |
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136 while (height--) { |
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137 /* *INDENT-OFF* */ |
| 0 | 138 DUFFS_LOOP4( |
| 139 { | |
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140 Uint32 Pixel; |
| 0 | 141 unsigned sR; |
| 142 unsigned sG; | |
| 143 unsigned sB; | |
| 144 unsigned sA; | |
| 145 unsigned dR; | |
| 146 unsigned dG; | |
| 147 unsigned dB; | |
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148 DISEMBLE_RGBA(src,srcbpp,srcfmt,Pixel,sR,sG,sB,sA); |
| 0 | 149 dR = dstfmt->palette->colors[*dst].r; |
| 150 dG = dstfmt->palette->colors[*dst].g; | |
| 151 dB = dstfmt->palette->colors[*dst].b; | |
| 152 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); | |
| 153 dR &= 0xff; | |
| 154 dG &= 0xff; | |
| 155 dB &= 0xff; | |
| 156 /* Pack RGB into 8bit pixel */ | |
| 157 if ( palmap == NULL ) { | |
| 158 *dst =((dR>>5)<<(3+2))| | |
| 159 ((dG>>5)<<(2))| | |
| 160 ((dB>>6)<<(0)); | |
| 161 } else { | |
| 162 *dst = palmap[((dR>>5)<<(3+2))| | |
| 163 ((dG>>5)<<(2)) | | |
| 164 ((dB>>6)<<(0)) ]; | |
| 165 } | |
| 166 dst++; | |
| 167 src += srcbpp; | |
| 168 }, | |
| 169 width); | |
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170 /* *INDENT-ON* */ |
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171 src += srcskip; |
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172 dst += dstskip; |
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173 } |
| 0 | 174 } |
| 175 | |
| 176 /* colorkeyed N->1 blending with per-surface alpha */ | |
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177 static void |
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178 BlitNto1SurfaceAlphaKey(SDL_BlitInfo * info) |
| 0 | 179 { |
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180 int width = info->d_width; |
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181 int height = info->d_height; |
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182 Uint8 *src = info->s_pixels; |
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183 int srcskip = info->s_skip; |
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184 Uint8 *dst = info->d_pixels; |
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185 int dstskip = info->d_skip; |
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186 Uint8 *palmap = info->table; |
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187 SDL_PixelFormat *srcfmt = info->src; |
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188 SDL_PixelFormat *dstfmt = info->dst; |
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189 int srcbpp = srcfmt->BytesPerPixel; |
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190 Uint32 ckey = srcfmt->colorkey; |
| 0 | 191 |
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192 const int A = srcfmt->alpha; |
| 0 | 193 |
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194 while (height--) { |
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195 /* *INDENT-OFF* */ |
| 0 | 196 DUFFS_LOOP( |
| 197 { | |
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198 Uint32 Pixel; |
| 0 | 199 unsigned sR; |
| 200 unsigned sG; | |
| 201 unsigned sB; | |
| 202 unsigned dR; | |
| 203 unsigned dG; | |
| 204 unsigned dB; | |
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205 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
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206 if ( Pixel != ckey ) { |
| 0 | 207 dR = dstfmt->palette->colors[*dst].r; |
| 208 dG = dstfmt->palette->colors[*dst].g; | |
| 209 dB = dstfmt->palette->colors[*dst].b; | |
| 210 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
| 211 dR &= 0xff; | |
| 212 dG &= 0xff; | |
| 213 dB &= 0xff; | |
| 214 /* Pack RGB into 8bit pixel */ | |
| 215 if ( palmap == NULL ) { | |
| 216 *dst =((dR>>5)<<(3+2))| | |
| 217 ((dG>>5)<<(2)) | | |
| 218 ((dB>>6)<<(0)); | |
| 219 } else { | |
| 220 *dst = palmap[((dR>>5)<<(3+2))| | |
| 221 ((dG>>5)<<(2)) | | |
| 222 ((dB>>6)<<(0)) ]; | |
| 223 } | |
| 224 } | |
| 225 dst++; | |
| 226 src += srcbpp; | |
| 227 }, | |
| 228 width); | |
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229 /* *INDENT-ON* */ |
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230 src += srcskip; |
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231 dst += dstskip; |
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232 } |
| 0 | 233 } |
| 234 | |
| 1542 | 235 #if GCC_ASMBLIT |
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236 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
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237 static void |
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238 BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo * info) |
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239 { |
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240 int width = info->d_width; |
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241 int height = info->d_height; |
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242 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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243 int srcskip = info->s_skip >> 2; |
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244 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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245 int dstskip = info->d_skip >> 2; |
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246 Uint32 dalpha = info->dst->Amask; |
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247 Uint8 load[8]; |
| 1542 | 248 |
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249 *(Uint64 *) load = 0x00fefefe00fefefeULL; /* alpha128 mask */ |
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250 movq_m2r(*load, mm4); /* alpha128 mask -> mm4 */ |
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251 *(Uint64 *) load = 0x0001010100010101ULL; /* !alpha128 mask */ |
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252 movq_m2r(*load, mm3); /* !alpha128 mask -> mm3 */ |
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253 movd_m2r(dalpha, mm7); /* dst alpha mask */ |
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254 punpckldq_r2r(mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */ |
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255 while (height--) { |
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256 /* *INDENT-OFF* */ |
| 1542 | 257 DUFFS_LOOP_DOUBLE2( |
| 258 { | |
| 259 Uint32 s = *srcp++; | |
| 260 Uint32 d = *dstp; | |
| 261 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) | |
| 262 + (s & d & 0x00010101)) | dalpha; | |
| 263 },{ | |
| 264 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */ | |
| 265 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */ | |
| 266 | |
| 267 movq_m2r((*srcp), mm1);/* 2 x src -> mm1(ARGBARGB) */ | |
| 268 movq_r2r(mm1, mm5); /* 2 x src -> mm5(ARGBARGB) */ | |
| 269 | |
| 270 pand_r2r(mm4, mm6); /* dst & mask -> mm6 */ | |
| 271 pand_r2r(mm4, mm5); /* src & mask -> mm5 */ | |
| 272 paddd_r2r(mm6, mm5); /* mm6 + mm5 -> mm5 */ | |
| 273 pand_r2r(mm1, mm2); /* src & dst -> mm2 */ | |
| 274 psrld_i2r(1, mm5); /* mm5 >> 1 -> mm5 */ | |
| 275 pand_r2r(mm3, mm2); /* mm2 & !mask -> mm2 */ | |
| 276 paddd_r2r(mm5, mm2); /* mm5 + mm2 -> mm2 */ | |
| 277 | |
| 278 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ | |
| 279 movq_r2m(mm2, (*dstp));/* mm2 -> 2 x dst pixels */ | |
| 280 dstp += 2; | |
| 281 srcp += 2; | |
| 282 }, width); | |
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283 /* *INDENT-ON* */ |
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284 srcp += srcskip; |
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285 dstp += dstskip; |
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286 } |
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287 emms(); |
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288 } |
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289 |
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290 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
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291 static void |
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292 BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo * info) |
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293 { |
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294 SDL_PixelFormat *df = info->dst; |
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295 unsigned alpha = info->src->alpha; |
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296 |
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297 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { |
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298 /* only call a128 version when R,G,B occupy lower bits */ |
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299 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
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300 } else { |
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301 int width = info->d_width; |
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302 int height = info->d_height; |
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303 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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304 int srcskip = info->s_skip >> 2; |
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305 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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306 int dstskip = info->d_skip >> 2; |
| 1542 | 307 |
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308 pxor_r2r(mm5, mm5); /* 0 -> mm5 */ |
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309 /* form the alpha mult */ |
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310 movd_m2r(alpha, mm4); /* 0000000A -> mm4 */ |
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311 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ |
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312 punpckldq_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ |
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313 alpha = |
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314 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df-> |
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315 Bshift); |
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316 movd_m2r(alpha, mm0); /* 00000FFF -> mm0 */ |
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317 punpcklbw_r2r(mm0, mm0); /* 00FFFFFF -> mm0 */ |
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318 pand_r2r(mm0, mm4); /* 0A0A0A0A -> mm4, minus 1 chan */ |
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319 /* at this point mm4 can be 000A0A0A or 0A0A0A00 or another combo */ |
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320 movd_m2r(df->Amask, mm7); /* dst alpha mask */ |
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321 punpckldq_r2r(mm7, mm7); /* dst alpha mask | dst alpha mask -> mm7 */ |
| 1542 | 322 |
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323 while (height--) { |
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324 /* *INDENT-OFF* */ |
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325 DUFFS_LOOP_DOUBLE2({ |
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326 /* One Pixel Blend */ |
| 1542 | 327 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ |
| 328 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 329 punpcklbw_r2r(mm5, mm1); /* 0A0R0G0B -> mm1(src) */ | |
| 330 punpcklbw_r2r(mm5, mm2); /* 0A0R0G0B -> mm2(dst) */ | |
| 331 | |
| 332 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ | |
| 333 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 334 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */ | |
| 335 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ | |
| 336 | |
| 337 packuswb_r2r(mm5, mm2); /* ARGBARGB -> mm2 */ | |
| 338 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ | |
| 339 movd_r2m(mm2, *dstp);/* mm2 -> pixel */ | |
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340 ++srcp; |
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341 ++dstp; |
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342 },{ |
| 1542 | 343 /* Two Pixels Blend */ |
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344 movq_m2r((*srcp), mm0);/* 2 x src -> mm0(ARGBARGB)*/ |
| 1542 | 345 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */ |
| 346 movq_r2r(mm0, mm1); /* 2 x src -> mm1(ARGBARGB) */ | |
| 347 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */ | |
| 348 | |
| 349 punpcklbw_r2r(mm5, mm0); /* low - 0A0R0G0B -> mm0(src1) */ | |
| 350 punpckhbw_r2r(mm5, mm1); /* high - 0A0R0G0B -> mm1(src2) */ | |
| 351 punpcklbw_r2r(mm5, mm2); /* low - 0A0R0G0B -> mm2(dst1) */ | |
| 352 punpckhbw_r2r(mm5, mm6); /* high - 0A0R0G0B -> mm6(dst2) */ | |
| 353 | |
| 354 psubw_r2r(mm2, mm0);/* src1 - dst1 -> mm0 */ | |
| 355 pmullw_r2r(mm4, mm0); /* mm0 * alpha -> mm0 */ | |
| 356 psrlw_i2r(8, mm0); /* mm0 >> 8 -> mm1 */ | |
| 357 paddb_r2r(mm0, mm2); /* mm0 + mm2(dst1) -> mm2 */ | |
| 358 | |
| 359 psubw_r2r(mm6, mm1);/* src2 - dst2 -> mm1 */ | |
| 360 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 361 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */ | |
| 362 paddb_r2r(mm1, mm6); /* mm1 + mm6(dst2) -> mm6 */ | |
| 363 | |
| 364 packuswb_r2r(mm6, mm2); /* ARGBARGB -> mm2 */ | |
| 365 por_r2r(mm7, mm2); /* mm7(dst alpha) | mm2 -> mm2 */ | |
| 366 | |
| 367 movq_r2m(mm2, *dstp);/* mm2 -> 2 x pixel */ | |
| 368 | |
| 369 srcp += 2; | |
| 370 dstp += 2; | |
| 371 }, width); | |
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372 /* *INDENT-ON* */ |
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373 srcp += srcskip; |
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374 dstp += dstskip; |
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375 } |
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376 emms(); |
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377 } |
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378 } |
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379 |
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380 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
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381 static void |
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382 BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo * info) |
|
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383 { |
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384 int width = info->d_width; |
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385 int height = info->d_height; |
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386 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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387 int srcskip = info->s_skip >> 2; |
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388 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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389 int dstskip = info->d_skip >> 2; |
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390 SDL_PixelFormat *sf = info->src; |
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391 Uint32 amask = sf->Amask; |
| 1542 | 392 |
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393 pxor_r2r(mm6, mm6); /* 0 -> mm6 */ |
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394 /* form multiplication mask */ |
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395 movd_m2r(sf->Amask, mm7); /* 0000F000 -> mm7 */ |
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396 punpcklbw_r2r(mm7, mm7); /* FF000000 -> mm7 */ |
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397 pcmpeqb_r2r(mm0, mm0); /* FFFFFFFF -> mm0 */ |
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398 movq_r2r(mm0, mm3); /* FFFFFFFF -> mm3 (for later) */ |
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399 pxor_r2r(mm0, mm7); /* 00FFFFFF -> mm7 (mult mask) */ |
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400 /* form channel masks */ |
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401 movq_r2r(mm7, mm0); /* 00FFFFFF -> mm0 */ |
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402 packsswb_r2r(mm6, mm0); /* 00000FFF -> mm0 (channel mask) */ |
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403 packsswb_r2r(mm6, mm3); /* 0000FFFF -> mm3 */ |
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404 pxor_r2r(mm0, mm3); /* 0000F000 -> mm3 (~channel mask) */ |
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405 /* get alpha channel shift */ |
| 2120 | 406 /* *INDENT-OFF* */ |
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407 __asm__ __volatile__ ( |
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408 "movd %0, %%mm5" |
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409 : : "rm" ((Uint32) sf->Ashift) ); /* Ashift -> mm5 */ |
| 2120 | 410 /* *INDENT-ON* */ |
| 1542 | 411 |
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412 while (height--) { |
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413 /* *INDENT-OFF* */ |
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414 DUFFS_LOOP4({ |
| 1542 | 415 Uint32 alpha = *srcp & amask; |
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416 /* FIXME: Here we special-case opaque alpha since the |
| 1542 | 417 compositioning used (>>8 instead of /255) doesn't handle |
| 418 it correctly. Also special-case alpha=0 for speed? | |
| 419 Benchmark this! */ | |
| 420 if(alpha == 0) { | |
| 421 /* do nothing */ | |
| 422 } else if(alpha == amask) { | |
| 423 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 424 /* using MMX here to free up regular registers for other things */ | |
| 425 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 426 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 427 pand_r2r(mm0, mm1); /* src & chanmask -> mm1 */ | |
| 428 pand_r2r(mm3, mm2); /* dst & ~chanmask -> mm2 */ | |
| 429 por_r2r(mm1, mm2); /* src | dst -> mm2 */ | |
| 430 movd_r2m(mm2, (*dstp)); /* mm2 -> dst */ | |
| 431 } else { | |
| 432 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ | |
| 433 punpcklbw_r2r(mm6, mm1); /* 0A0R0G0B -> mm1 */ | |
| 434 | |
| 435 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ | |
| 436 punpcklbw_r2r(mm6, mm2); /* 0A0R0G0B -> mm2 */ | |
| 437 | |
| 438 __asm__ __volatile__ ( | |
| 439 "movd %0, %%mm4" | |
| 440 : : "r" (alpha) ); /* 0000A000 -> mm4 */ | |
| 441 psrld_r2r(mm5, mm4); /* mm4 >> mm5 -> mm4 (0000000A) */ | |
| 442 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ | |
| 443 punpcklwd_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ | |
| 444 pand_r2r(mm7, mm4); /* 000A0A0A -> mm4, preserve dst alpha on add */ | |
| 445 | |
| 446 /* blend */ | |
| 447 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ | |
| 448 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ | |
| 449 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1(000R0G0B) */ | |
| 450 paddb_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ | |
| 451 | |
| 452 packuswb_r2r(mm6, mm2); /* 0000ARGB -> mm2 */ | |
| 453 movd_r2m(mm2, *dstp);/* mm2 -> dst */ | |
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454 } |
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455 ++srcp; |
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456 ++dstp; |
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457 }, width); |
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458 /* *INDENT-ON* */ |
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459 srcp += srcskip; |
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460 dstp += dstskip; |
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461 } |
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462 emms(); |
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463 } |
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464 |
| 1542 | 465 /* End GCC_ASMBLIT */ |
| 466 | |
| 467 #elif MSVC_ASMBLIT | |
| 468 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ | |
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469 static void |
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470 BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo * info) |
| 1542 | 471 { |
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472 int width = info->d_width; |
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473 int height = info->d_height; |
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474 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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475 int srcskip = info->s_skip >> 2; |
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476 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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477 int dstskip = info->d_skip >> 2; |
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478 Uint32 dalpha = info->dst->Amask; |
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479 |
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480 __m64 src1, src2, dst1, dst2, lmask, hmask, dsta; |
| 1542 | 481 |
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482 hmask = _mm_set_pi32(0x00fefefe, 0x00fefefe); /* alpha128 mask -> hmask */ |
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483 lmask = _mm_set_pi32(0x00010101, 0x00010101); /* !alpha128 mask -> lmask */ |
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484 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
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485 |
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486 while (height--) { |
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487 int n = width; |
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488 if (n & 1) { |
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489 Uint32 s = *srcp++; |
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490 Uint32 d = *dstp; |
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491 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
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492 + (s & d & 0x00010101)) | dalpha; |
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493 n--; |
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494 } |
| 1542 | 495 |
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496 for (n >>= 1; n > 0; --n) { |
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497 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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498 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
| 1542 | 499 |
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500 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
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501 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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502 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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503 dst2 = _mm_and_si64(dst2, hmask); /* dst & mask -> dst2 */ |
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504 src2 = _mm_and_si64(src2, hmask); /* src & mask -> src2 */ |
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505 src2 = _mm_add_pi32(src2, dst2); /* dst2 + src2 -> src2 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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506 src2 = _mm_srli_pi32(src2, 1); /* src2 >> 1 -> src2 */ |
| 1542 | 507 |
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508 dst1 = _mm_and_si64(dst1, src1); /* src & dst -> dst1 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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509 dst1 = _mm_and_si64(dst1, lmask); /* dst1 & !mask -> dst1 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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510 dst1 = _mm_add_pi32(dst1, src2); /* src2 + dst1 -> dst1 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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511 dst1 = _mm_or_si64(dst1, dsta); /* dsta(full alpha) | dst1 -> dst1 */ |
| 1542 | 512 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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513 *(__m64 *) dstp = dst1; /* dst1 -> 2 x dst pixels */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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514 dstp += 2; |
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515 srcp += 2; |
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516 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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517 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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518 srcp += srcskip; |
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519 dstp += dstskip; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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520 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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521 _mm_empty(); |
| 1542 | 522 } |
| 523 | |
| 524 /* fast RGB888->(A)RGB888 blending with surface alpha */ | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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525 static void |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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526 BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 527 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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528 SDL_PixelFormat *df = info->dst; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
529 Uint32 chanmask = df->Rmask | df->Gmask | df->Bmask; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
530 unsigned alpha = info->src->alpha; |
| 1542 | 531 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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532 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
533 /* only call a128 version when R,G,B occupy lower bits */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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534 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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535 } else { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
536 int width = info->d_width; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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537 int height = info->d_height; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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538 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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539 int srcskip = info->s_skip >> 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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540 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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541 int dstskip = info->d_skip >> 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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542 Uint32 dalpha = df->Amask; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
543 Uint32 amult; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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544 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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545 __m64 src1, src2, dst1, dst2, mm_alpha, mm_zero, dsta; |
| 1542 | 546 |
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547 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
548 /* form the alpha mult */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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549 amult = alpha | (alpha << 8); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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550 amult = amult | (amult << 16); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
551 chanmask = |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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552 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df-> |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
553 Bshift); |
|
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Sam Lantinga <slouken@libsdl.org>
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|
554 mm_alpha = _mm_set_pi32(0, amult & chanmask); /* 0000AAAA -> mm_alpha, minus 1 chan */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
555 mm_alpha = _mm_unpacklo_pi8(mm_alpha, mm_zero); /* 0A0A0A0A -> mm_alpha, minus 1 chan */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
556 /* at this point mm_alpha can be 000A0A0A or 0A0A0A00 or another combo */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
557 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
| 1542 | 558 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
559 while (height--) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
560 int n = width; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
561 if (n & 1) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
562 /* One Pixel Blend */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
563 src2 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src2 (0000ARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
564 src2 = _mm_unpacklo_pi8(src2, mm_zero); /* 0A0R0G0B -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
565 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
566 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
567 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ |
| 1542 | 568 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
569 src2 = _mm_sub_pi16(src2, dst1); /* src2 - dst2 -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
570 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
571 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
572 dst1 = _mm_add_pi8(src2, dst1); /* src2 + dst1 -> dst1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
573 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
574 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
575 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
576 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ |
| 1542 | 577 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
578 ++srcp; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
579 ++dstp; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
580 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
581 n--; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
582 } |
| 1542 | 583 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
584 for (n >>= 1; n > 0; --n) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
585 /* Two Pixels Blend */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
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changeset
|
586 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
587 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
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|
588 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* low - 0A0R0G0B -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
589 src2 = _mm_unpackhi_pi8(src2, mm_zero); /* high - 0A0R0G0B -> src2 */ |
| 1542 | 590 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
591 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
592 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
593 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* low - 0A0R0G0B -> dst1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
594 dst2 = _mm_unpackhi_pi8(dst2, mm_zero); /* high - 0A0R0G0B -> dst2 */ |
| 1542 | 595 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
596 src1 = _mm_sub_pi16(src1, dst1); /* src1 - dst1 -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
597 src1 = _mm_mullo_pi16(src1, mm_alpha); /* src1 * alpha -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
598 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
599 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst1) -> dst1 */ |
| 1542 | 600 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
601 src2 = _mm_sub_pi16(src2, dst2); /* src2 - dst2 -> src2 */ |
|
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602 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
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603 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
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604 dst2 = _mm_add_pi8(src2, dst2); /* src2 + dst2(dst2) -> dst2 */ |
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605 |
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606 dst1 = _mm_packs_pu16(dst1, dst2); /* 0A0R0G0B(res1), 0A0R0G0B(res2) -> dst1(ARGBARGB) */ |
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607 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
| 1542 | 608 |
|
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609 *(__m64 *) dstp = dst1; /* dst1 -> 2 x pixel */ |
| 1542 | 610 |
|
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611 srcp += 2; |
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612 dstp += 2; |
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613 } |
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614 srcp += srcskip; |
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615 dstp += dstskip; |
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616 } |
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617 _mm_empty(); |
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618 } |
| 1542 | 619 } |
| 620 | |
| 621 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ | |
|
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622 static void |
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623 BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 624 { |
|
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625 int width = info->d_width; |
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626 int height = info->d_height; |
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627 Uint32 *srcp = (Uint32 *) info->s_pixels; |
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628 int srcskip = info->s_skip >> 2; |
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629 Uint32 *dstp = (Uint32 *) info->d_pixels; |
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630 int dstskip = info->d_skip >> 2; |
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631 SDL_PixelFormat *sf = info->src; |
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632 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
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633 Uint32 amask = sf->Amask; |
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634 Uint32 ashift = sf->Ashift; |
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635 Uint64 multmask; |
| 1542 | 636 |
|
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637 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
| 1542 | 638 |
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639 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
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640 /* *INDENT-OFF* */ |
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641 multmask = ~(0xFFFFI64 << (ashift * 2)); |
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642 /* *INDENT-ON* */ |
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643 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
| 1542 | 644 |
|
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645 while (height--) { |
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646 /* *INDENT-OFF* */ |
| 1542 | 647 DUFFS_LOOP4({ |
| 648 Uint32 alpha = *srcp & amask; | |
| 649 if (alpha == 0) { | |
| 650 /* do nothing */ | |
| 651 } else if (alpha == amask) { | |
| 652 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 653 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 654 } else { | |
| 655 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 656 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 657 | |
| 658 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 659 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 660 | |
| 661 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 662 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 663 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 664 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 665 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 666 | |
| 667 /* blend */ | |
| 668 src1 = _mm_sub_pi16(src1, dst1);/* src1 - dst1 -> src1 */ | |
| 669 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src1 - dst1) * alpha -> src1 */ | |
| 670 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 671 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1 -> dst1(0A0R0G0B) */ | |
| 672 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 673 | |
| 674 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 675 } | |
| 676 ++srcp; | |
| 677 ++dstp; | |
| 678 }, width); | |
|
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679 /* *INDENT-ON* */ |
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680 srcp += srcskip; |
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681 dstp += dstskip; |
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682 } |
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683 _mm_empty(); |
| 1542 | 684 } |
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685 |
| 1542 | 686 /* End MSVC_ASMBLIT */ |
| 687 | |
| 688 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
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|
689 |
|
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New configure-based build system. Still work in progress, but much improved
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690 #if SDL_ALTIVEC_BLITTERS |
| 1795 | 691 #if __MWERKS__ |
| 692 #pragma altivec_model on | |
| 693 #endif | |
|
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|
694 #if HAVE_ALTIVEC_H |
|
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695 #include <altivec.h> |
|
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Fixed Altivec support on Mac OS X.
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696 #endif |
|
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697 #include <assert.h> |
|
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698 |
|
1402
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Use consistent identifiers for the various platforms we support.
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699 #if (defined(__MACOSX__) && (__GNUC__ < 4)) |
|
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700 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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701 (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p ) |
|
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|
702 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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703 (vector unsigned short) ( a,b,c,d,e,f,g,h ) |
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704 #else |
|
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|
705 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
|
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706 (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p } |
|
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707 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
|
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708 (vector unsigned short) { a,b,c,d,e,f,g,h } |
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709 #endif |
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|
710 |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
711 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F) |
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|
712 #define VECPRINT(msg, v) do { \ |
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|
713 vector unsigned int tmpvec = (vector unsigned int)(v); \ |
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Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
714 unsigned int *vp = (unsigned int *)&tmpvec; \ |
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changeset
|
715 printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \ |
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716 } while (0) |
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|
717 |
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|
718 /* the permuation vector that takes the high bytes out of all the appropriate shorts |
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Altivec-optimized blitters!
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|
719 (vector unsigned char)( |
|
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|
720 0x00, 0x10, 0x02, 0x12, |
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diff
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|
721 0x04, 0x14, 0x06, 0x16, |
|
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Ryan C. Gordon <icculus@icculus.org>
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722 0x08, 0x18, 0x0A, 0x1A, |
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Ryan C. Gordon <icculus@icculus.org>
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|
723 0x0C, 0x1C, 0x0E, 0x1E ); |
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changeset
|
724 */ |
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changeset
|
725 #define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F))) |
|
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changeset
|
726 #define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12))) |
|
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Ryan C. Gordon <icculus@icculus.org>
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727 #define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24())) |
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changeset
|
728 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \ |
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changeset
|
729 ? vec_lvsl(0, src) \ |
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|
730 : vec_add(vec_lvsl(8, src), vec_splat_u8(8))) |
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diff
changeset
|
731 |
|
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|
732 |
|
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
733 #define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \ |
|
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|
734 /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \ |
|
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changeset
|
735 vector unsigned short vtemp1 = vec_mule(vs, valpha); \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
736 /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
737 vector unsigned short vtemp2 = vec_mulo(vs, valpha); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
738 /* valpha2 is 255-alpha */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
739 vector unsigned char valpha2 = vec_nor(valpha, valpha); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
740 /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
741 vector unsigned short vtemp3 = vec_mule(vd, valpha2); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
742 /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
743 vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
744 /* add source and dest */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
745 vtemp1 = vec_add(vtemp1, vtemp3); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
746 vtemp2 = vec_add(vtemp2, vtemp4); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
747 /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
748 vtemp1 = vec_add(vtemp1, v1_16); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
749 vtemp3 = vec_sr(vtemp1, v8_16); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
750 vtemp1 = vec_add(vtemp1, vtemp3); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
751 /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
752 vtemp2 = vec_add(vtemp2, v1_16); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
753 vtemp4 = vec_sr(vtemp2, v8_16); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
754 vtemp2 = vec_add(vtemp2, vtemp4); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
755 /* (>>8) and get ARGBARGBARGBARGB */ \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
756 vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
757 } while (0) |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
758 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
759 /* Calculate the permute vector used for 32->32 swizzling */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
760 static vector unsigned char |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
761 calc_swizzle32(const SDL_PixelFormat * srcfmt, const SDL_PixelFormat * dstfmt) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
762 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
763 /* |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
764 * We have to assume that the bits that aren't used by other |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
765 * colors is alpha, and it's one complete byte, since some formats |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
766 * leave alpha with a zero mask, but we should still swizzle the bits. |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
767 */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
768 /* ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
769 const static struct SDL_PixelFormat default_pixel_format = { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
770 NULL, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
771 0, 0, 0, 0, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
772 16, 8, 0, 24, |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
773 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
774 0, 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
775 }; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
776 if (!srcfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
777 srcfmt = &default_pixel_format; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
778 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
779 if (!dstfmt) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
780 dstfmt = &default_pixel_format; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
781 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
782 const vector unsigned char plus = VECUINT8_LITERAL(0x00, 0x00, 0x00, 0x00, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
783 0x04, 0x04, 0x04, 0x04, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
784 0x08, 0x08, 0x08, 0x08, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
785 0x0C, 0x0C, 0x0C, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
786 0x0C); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
787 vector unsigned char vswiz; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
788 vector unsigned int srcvec; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
789 #define RESHIFT(X) (3 - ((X) >> 3)) |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
790 Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
791 Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
792 Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
793 Uint32 amask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
794 /* Use zero for alpha if either surface doesn't have alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
795 if (dstfmt->Amask) { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
796 amask = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
797 ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt-> |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
798 Ashift); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
799 } else { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
800 amask = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
801 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
802 0xFFFFFFFF); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
803 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
804 #undef RESHIFT |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
805 ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
806 vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
807 return (vswiz); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
808 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
809 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
810 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
811 Blit32to565PixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
812 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
813 int height = info->d_height; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
814 Uint8 *src = (Uint8 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
815 int srcskip = info->s_skip; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
816 Uint8 *dst = (Uint8 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
817 int dstskip = info->d_skip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
818 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
819 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
820 vector unsigned char v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
821 vector unsigned short v8_16 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
822 vector unsigned short v1_16 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
823 vector unsigned short v2_16 = vec_splat_u16(2); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
824 vector unsigned short v3_16 = vec_splat_u16(3); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
825 vector unsigned int v8_32 = vec_splat_u32(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
826 vector unsigned int v16_32 = vec_add(v8_32, v8_32); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
827 vector unsigned short v3f = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
828 VECUINT16_LITERAL(0x003f, 0x003f, 0x003f, 0x003f, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
829 0x003f, 0x003f, 0x003f, 0x003f); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
830 vector unsigned short vfc = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
831 VECUINT16_LITERAL(0x00fc, 0x00fc, 0x00fc, 0x00fc, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
832 0x00fc, 0x00fc, 0x00fc, 0x00fc); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
833 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
834 /* |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
835 0x10 - 0x1f is the alpha |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
836 0x00 - 0x0e evens are the red |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
837 0x01 - 0x0f odds are zero |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
838 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
839 vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
840 0x10, 0x02, 0x01, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
841 0x10, 0x04, 0x01, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
842 0x10, 0x06, 0x01, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
843 0x01); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
844 vector unsigned char vredalpha2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
845 (vector unsigned char) (vec_add((vector unsigned int) vredalpha1, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
846 vec_sl(v8_32, v16_32)) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
847 ); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
848 /* |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
849 0x00 - 0x0f is ARxx ARxx ARxx ARxx |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
850 0x11 - 0x0f odds are blue |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
851 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
852 vector unsigned char vblue1 = VECUINT8_LITERAL(0x00, 0x01, 0x02, 0x11, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
853 0x04, 0x05, 0x06, 0x13, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
854 0x08, 0x09, 0x0a, 0x15, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
855 0x0c, 0x0d, 0x0e, 0x17); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
856 vector unsigned char vblue2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
857 (vector unsigned char) (vec_add((vector unsigned int) vblue1, v8_32) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
858 ); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
859 /* |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
860 0x00 - 0x0f is ARxB ARxB ARxB ARxB |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
861 0x10 - 0x0e evens are green |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
862 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
863 vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
864 0x04, 0x05, 0x12, 0x07, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
865 0x08, 0x09, 0x14, 0x0b, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
866 0x0c, 0x0d, 0x16, 0x0f); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
867 vector unsigned char vgreen2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
868 (vector unsigned |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
869 char) (vec_add((vector unsigned int) vgreen1, vec_sl(v8_32, v8_32)) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
870 ); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
871 vector unsigned char vgmerge = VECUINT8_LITERAL(0x00, 0x02, 0x00, 0x06, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
872 0x00, 0x0a, 0x00, 0x0e, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
873 0x00, 0x12, 0x00, 0x16, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
874 0x00, 0x1a, 0x00, 0x1e); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
875 vector unsigned char mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
876 vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
877 vector unsigned char valphaPermute = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
878 vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
879 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
880 vector unsigned short vf800 = (vector unsigned short) vec_splat_u8(-7); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
881 vf800 = vec_sl(vf800, vec_splat_u16(8)); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
882 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
883 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
884 int extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
885 vector unsigned char valigner; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
886 vector unsigned char vsrc; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
887 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
888 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
889 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
890 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
891 while (condition) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
892 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
893 unsigned sR, sG, sB, dR, dG, dB, sA; \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
894 DISEMBLE_RGBA(src, 4, srcfmt, Pixel, sR, sG, sB, sA); \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
895 if(sA) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
896 unsigned short dstpixel = *((unsigned short *)dst); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
897 dR = (dstpixel >> 8) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
898 dG = (dstpixel >> 3) & 0xfc; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
899 dB = (dstpixel << 3) & 0xf8; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
900 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
901 *((unsigned short *)dst) = ( \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
902 ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
903 ); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
904 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
905 src += 4; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
906 dst += 2; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
907 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
908 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
909 ONE_PIXEL_BLEND((UNALIGNED_PTR(dst)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
910 extrawidth = (width % 8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
911 valigner = VEC_ALIGNER(src); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
912 vsrc = (vector unsigned char) vec_ld(0, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
913 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
914 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
915 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
916 vector unsigned char vsrc1, vsrc2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
917 vector unsigned char vdst1, vdst2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
918 vector unsigned short vR, vG, vB; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
919 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
920 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
921 /* Load 8 pixels from src as ARGB */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
922 voverflow = (vector unsigned char) vec_ld(15, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
923 vsrc = vec_perm(vsrc, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
924 vsrc1 = vec_perm(vsrc, vsrc, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
925 src += 16; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
926 vsrc = (vector unsigned char) vec_ld(15, src); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
927 voverflow = vec_perm(voverflow, vsrc, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
928 vsrc2 = vec_perm(voverflow, voverflow, vpermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
929 src += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
930 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
931 /* Load 8 pixels from dst as XRGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
932 voverflow = vec_ld(0, dst); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
933 vR = vec_and((vector unsigned short) voverflow, vf800); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
934 vB = vec_sl((vector unsigned short) voverflow, v3_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
935 vG = vec_sl(vB, v2_16); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
936 vdst1 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
937 (vector unsigned char) vec_perm((vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
938 (vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
939 vredalpha1); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
940 vdst1 = vec_perm(vdst1, (vector unsigned char) vB, vblue1); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
941 vdst1 = vec_perm(vdst1, (vector unsigned char) vG, vgreen1); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
942 vdst2 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
943 (vector unsigned char) vec_perm((vector unsigned char) vR, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
944 (vector unsigned char) vR, |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
945 vredalpha2); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
946 vdst2 = vec_perm(vdst2, (vector unsigned char) vB, vblue2); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
947 vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
948 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
949 /* Alpha blend 8 pixels as ARGB */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
950 valpha = vec_perm(vsrc1, v0, valphaPermute); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
951 VEC_MULTIPLY_ALPHA(vsrc1, vdst1, valpha, mergePermute, v1_16, |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
952 v8_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
953 valpha = vec_perm(vsrc2, v0, valphaPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
954 VEC_MULTIPLY_ALPHA(vsrc2, vdst2, valpha, mergePermute, v1_16, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
955 v8_16); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
956 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
957 /* Convert 8 pixels to 565 */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
958 vpixel = (vector unsigned short) vec_packpx((vector unsigned int) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
959 vdst1, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
960 (vector unsigned int) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
961 vdst2); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
962 vgpixel = (vector unsigned short) vec_perm(vdst1, vdst2, vgmerge); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
963 vgpixel = vec_and(vgpixel, vfc); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
964 vgpixel = vec_sl(vgpixel, v3_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
965 vrpixel = vec_sl(vpixel, v1_16); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
966 vrpixel = vec_and(vrpixel, vf800); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
967 vbpixel = vec_and(vpixel, v3f); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
968 vdst1 = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
969 vec_or((vector unsigned char) vrpixel, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
970 (vector unsigned char) vgpixel); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
971 vdst1 = vec_or(vdst1, (vector unsigned char) vbpixel); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
972 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
973 /* Store 8 pixels */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
974 vec_st(vdst1, 0, dst); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
975 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
976 width -= 8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
977 dst += 16; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
978 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
979 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
980 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
981 src += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
982 dst += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
983 } |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
984 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
985 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
986 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
987 Blit32to32SurfaceAlphaKeyAltivec(SDL_BlitInfo * info) |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
988 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
989 unsigned alpha = info->src->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
990 int height = info->d_height; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
991 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
992 int srcskip = info->s_skip >> 2; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
993 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
994 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
995 SDL_PixelFormat *srcfmt = info->src; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
996 SDL_PixelFormat *dstfmt = info->dst; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
997 unsigned sA = srcfmt->alpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
998 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
999 Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1000 Uint32 ckey = info->src->colorkey; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1001 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1002 vector unsigned char vsrcPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1003 vector unsigned char vdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1004 vector unsigned char vsdstPermute; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1005 vector unsigned char valpha; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1006 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1007 vector unsigned char vbits; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
1008 vector unsigned char v0; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1009 vector unsigned short v1; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1010 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1011 vector unsigned int vckey; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1012 vector unsigned int vrgbmask; |
|
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Altivec-optimized blitters!
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880
diff
changeset
|
1013 |
|
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1014 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1015 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1016 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1017 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1018 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1019 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1020 valphamask = VEC_ALPHA_MASK(); |
|
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Altivec-optimized blitters!
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880
diff
changeset
|
1021 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1022 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1023 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1024 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
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880
diff
changeset
|
1025 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1026 /* set a vector full of alpha and 255-alpha */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
1027 ((unsigned char *) &valpha)[0] = alpha; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
1028 valpha = vec_splat(valpha, 0); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1029 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1030 |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1031 ckey &= rgbmask; |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
1032 ((unsigned int *) (char *) &vckey)[0] = ckey; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1033 vckey = vec_splat(vckey, 0); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1034 ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask; |
|
1047
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1035 vrgbmask = vec_splat(vrgbmask, 0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1036 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1037 while (height--) { |
|
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Altivec-optimized blitters!
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parents:
880
diff
changeset
|
1038 int width = info->d_width; |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1039 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1040 while (condition) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
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changeset
|
1041 Uint32 Pixel; \ |
|
1047
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Altivec-optimized blitters!
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880
diff
changeset
|
1042 unsigned sR, sG, sB, dR, dG, dB; \ |
|
1162
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Enable altivec blitters on PowerPC Linux, and some fixes for recent
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changeset
|
1043 RETRIEVE_RGB_PIXEL(((Uint8 *)srcp), 4, Pixel); \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
1044 if(sA && Pixel != ckey) { \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1045 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>
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diff
changeset
|
1046 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \ |
|
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1047 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1048 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1049 } \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1050 dstp++; \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1051 srcp++; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1052 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1053 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1054 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1055 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1056 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1057 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1058 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1059 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1060 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1061 vector unsigned char vsel; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1062 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1063 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1064 vector unsigned char vd_orig; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1065 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1066 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1067 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1068 vs = vec_perm(vs, voverflow, valigner); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1069 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1070 /* vsel is set for items that match the key */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1071 vsel = |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1072 (vector unsigned char) vec_and((vector unsigned int) vs, |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1073 vrgbmask); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1074 vsel = (vector unsigned char) vec_cmpeq((vector unsigned int) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1075 vsel, vckey); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1076 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1077 /* permute to source format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1078 vs = vec_perm(vs, valpha, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1079 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1080 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1081 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1082 vd_orig = vd = vec_perm(vd, v0, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1083 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1084 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1085 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1086 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1087 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1088 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1089 /* mask out color key */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1090 vd = vec_sel(vd, vd_orig, vsel); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1091 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1092 /* permute to dest format */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1093 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1094 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1095 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1096 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1097 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1098 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1099 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1100 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1101 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1102 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1103 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1104 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1105 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1106 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1107 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1108 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1109 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1110 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1111 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1112 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1113 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1114 Blit32to32PixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1115 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1116 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1117 int height = info->d_height; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1118 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1119 int srcskip = info->s_skip >> 2; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1120 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1121 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1122 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1123 SDL_PixelFormat *dstfmt = info->dst; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1124 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1125 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1126 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1127 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1128 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1129 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1130 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1131 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1132 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1133 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1134 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1135 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1136 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1137 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1138 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1139 valphamask = VEC_ALPHA_MASK(); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1140 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1141 vpixelmask = vec_nor(valphamask, v0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1142 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1143 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1144 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1145 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1146 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1147 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1148 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1149 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1150 unsigned sR, sG, sB, dR, dG, dB, sA, dA; \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1151 DISEMBLE_RGBA((Uint8 *)srcp, 4, srcfmt, Pixel, sR, sG, sB, sA); \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1152 if(sA) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1153 DISEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, Pixel, dR, dG, dB, dA); \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1154 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1155 ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1156 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1157 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1158 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1159 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1160 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1161 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1162 if (width > 0) { |
|
1487
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1163 /* vsrcPermute */ |
|
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
1164 /* vdstPermute */ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1165 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1166 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1167 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
|
1168 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1169 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1170 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1171 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1172 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1173 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1174 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1175 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1176 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1177 vs = vec_perm(vs, v0, vsrcPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1178 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1179 valpha = vec_perm(vs, v0, valphaPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1180 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1181 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1182 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1183 vd = vec_perm(vd, v0, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1184 vdstalpha = vec_and(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1185 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1186 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1187 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1188 /* set the alpha to the dest alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1189 vd = vec_and(vd, vpixelmask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1190 vd = vec_or(vd, vdstalpha); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1191 vd = vec_perm(vd, v0, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1192 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1193 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1194 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1195 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1196 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1197 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1198 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1199 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1200 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1201 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1202 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1203 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1204 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1205 dstp += dstskip; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1206 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1207 } |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1208 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1209 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1210 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1211 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1212 BlitRGBtoRGBPixelAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1213 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1214 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1215 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1216 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1217 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1218 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1219 int dstskip = info->d_skip >> 2; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1220 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1221 vector unsigned char valphaPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1222 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1223 vector unsigned char vpixelmask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1224 vector unsigned char v0; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1225 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1226 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1227 v0 = vec_splat_u8(0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1228 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1229 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1230 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1231 valphamask = VEC_ALPHA_MASK(); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1232 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1233 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1234 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1235 vpixelmask = vec_nor(valphamask, v0); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1236 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1237 width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1238 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1239 while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1240 Uint32 dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1241 Uint32 d; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1242 Uint32 s1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1243 Uint32 d1; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1244 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1245 Uint32 alpha = s >> 24; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1246 if(alpha) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1247 if(alpha == SDL_ALPHA_OPAQUE) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1248 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1249 } else { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1250 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1251 dalpha = d & 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1252 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1253 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1254 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1255 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1256 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1257 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1258 *dstp = d1 | d | dalpha; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1259 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1260 } \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1261 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1262 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1263 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1264 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1265 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1266 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1267 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1268 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1269 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1270 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1271 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1272 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1273 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1274 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1275 vector unsigned char vdstalpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1276 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1277 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1278 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1279 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1280 valpha = vec_perm(vs, v0, valphaPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1281 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1282 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1283 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1284 vdstalpha = vec_and(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1285 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1286 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1287 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1288 /* set the alpha to the dest alpha */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1289 vd = vec_and(vd, vpixelmask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1290 vd = vec_or(vd, vdstalpha); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1291 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1292 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1293 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1294 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1295 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1296 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1297 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1298 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1299 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1300 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1301 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1302 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1303 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1304 } |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1305 #undef ONE_PIXEL_BLEND |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1306 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1307 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1308 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1309 Blit32to32SurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1310 { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1311 /* XXX : 6 */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1312 unsigned alpha = info->src->alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1313 int height = info->d_height; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1314 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1315 int srcskip = info->s_skip >> 2; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1316 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1317 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1318 SDL_PixelFormat *srcfmt = info->src; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1319 SDL_PixelFormat *dstfmt = info->dst; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1320 unsigned sA = srcfmt->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1321 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1322 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1323 vector unsigned char vsrcPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1324 vector unsigned char vdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1325 vector unsigned char vsdstPermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1326 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1327 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1328 vector unsigned char vbits; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1329 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1330 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1331 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1332 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1333 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1334 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1335 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1336 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1337 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1338 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1339 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1340 vdstPermute = calc_swizzle32(NULL, dstfmt); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1341 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1342 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1343 /* set a vector full of alpha and 255-alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1344 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1345 valpha = vec_splat(valpha, 0); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1346 vbits = (vector unsigned char) vec_splat_s8(-1); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1347 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1348 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1349 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1350 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1351 Uint32 Pixel; \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1352 unsigned sR, sG, sB, dR, dG, dB; \ |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1353 DISEMBLE_RGB(((Uint8 *)srcp), 4, srcfmt, Pixel, sR, sG, sB); \ |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1354 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1355 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1356 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1357 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1358 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1359 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1360 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1361 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1362 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1363 int extrawidth = (width % 4); |
|
2086
fffea8d6bf92
Merged r2954:2955 from branches/SDL-1.2: Altivec alpha blitter alignment fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2074
diff
changeset
|
1364 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1365 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1366 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1367 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1368 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1369 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1370 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1371 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1372 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1373 vs = vec_perm(vs, voverflow, valigner); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1374 vs = vec_perm(vs, valpha, vsrcPermute); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1375 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1376 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1377 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1378 vd = vec_perm(vd, vd, vsdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1379 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1380 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1381 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1382 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1383 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1384 vd = vec_perm(vd, vbits, vdstPermute); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1385 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1386 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1387 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1388 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1389 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1390 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1391 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1392 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1393 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1394 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1395 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1396 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1397 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1398 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1399 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1400 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1401 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1402 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1403 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1404 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1405 /* fast RGB888->(A)RGB888 blending */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1406 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1407 BlitRGBtoRGBSurfaceAlphaAltivec(SDL_BlitInfo * info) |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1408 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1409 unsigned alpha = info->src->alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1410 int height = info->d_height; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1411 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1412 int srcskip = info->s_skip >> 2; |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1413 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1414 int dstskip = info->d_skip >> 2; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1415 vector unsigned char mergePermute; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1416 vector unsigned char valpha; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1417 vector unsigned char valphamask; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1418 vector unsigned short v1; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1419 vector unsigned short v8; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1420 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1421 mergePermute = VEC_MERGE_PERMUTE(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1422 v1 = vec_splat_u16(1); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1423 v8 = vec_splat_u16(8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1424 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1425 /* set the alpha to 255 on the destination surf */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1426 valphamask = VEC_ALPHA_MASK(); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1427 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1428 /* set a vector full of alpha and 255-alpha */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1429 ((unsigned char *) &valpha)[0] = alpha; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1430 valpha = vec_splat(valpha, 0); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1431 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1432 while (height--) { |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1433 int width = info->d_width; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1434 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1435 Uint32 s = *srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1436 Uint32 d = *dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1437 Uint32 s1 = s & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1438 Uint32 d1 = d & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1439 d1 = (d1 + ((s1 - d1) * alpha >> 8)) \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1440 & 0xff00ff; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1441 s &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1442 d &= 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1443 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1444 *dstp = d1 | d | 0xff000000; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1445 ++srcp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1446 ++dstp; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1447 widthvar--; \ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1448 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1449 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1450 if (width > 0) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1451 int extrawidth = (width % 4); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1452 vector unsigned char valigner = VEC_ALIGNER(srcp); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1453 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1454 width -= extrawidth; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1455 while (width) { |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1456 vector unsigned char voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1457 vector unsigned char vd; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1458 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1459 /* s = *srcp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1460 voverflow = (vector unsigned char) vec_ld(15, srcp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1461 vs = vec_perm(vs, voverflow, valigner); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1462 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1463 /* d = *dstp */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1464 vd = (vector unsigned char) vec_ld(0, dstp); |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1465 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1466 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1467 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1468 /* set the alpha channel to full on */ |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1469 vd = vec_or(vd, valphamask); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1470 |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1471 /* *dstp = res */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1472 vec_st((vector unsigned int) vd, 0, dstp); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1473 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1474 srcp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1475 dstp += 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1476 width -= 4; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1477 vs = voverflow; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1478 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1479 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1480 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1481 #undef ONE_PIXEL_BLEND |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1482 |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1483 srcp += srcskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1484 dstp += dstskip; |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1485 } |
|
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1486 } |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1487 |
| 1795 | 1488 #if __MWERKS__ |
| 1489 #pragma altivec_model off | |
| 1490 #endif | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1491 #endif /* SDL_ALTIVEC_BLITTERS */ |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1492 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1493 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1494 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1495 BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo * info) |
| 0 | 1496 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1497 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1498 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1499 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1500 int srcskip = info->s_skip >> 2; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
diff
changeset
|
1501 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1502 int dstskip = info->d_skip >> 2; |
| 0 | 1503 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1504 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1505 /* *INDENT-OFF* */ |
| 0 | 1506 DUFFS_LOOP4({ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1507 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1508 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1509 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1510 + (s & d & 0x00010101)) | 0xff000000; |
| 0 | 1511 }, width); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1512 /* *INDENT-ON* */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1513 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1514 dstp += dstskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1515 } |
| 0 | 1516 } |
| 1517 | |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1518 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1519 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1520 BlitRGBtoRGBSurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1521 { |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1522 unsigned alpha = info->src->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1523 if (alpha == 128) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1524 BlitRGBtoRGBSurfaceAlpha128(info); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1525 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1526 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1527 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1528 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1529 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1530 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1531 int dstskip = info->d_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1532 Uint32 s; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1533 Uint32 d; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1534 Uint32 s1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1535 Uint32 d1; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1536 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1537 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1538 /* *INDENT-OFF* */ |
|
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|
1539 DUFFS_LOOP_DOUBLE2({ |
|
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|
1540 /* One Pixel Blend */ |
|
1
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1541 s = *srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1542 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1543 s1 = s & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1544 d1 = d & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1545 d1 = (d1 + ((s1 - d1) * alpha >> 8)) |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1546 & 0xff00ff; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1547 s &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1548 d &= 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1549 d = (d + ((s - d) * alpha >> 8)) & 0xff00; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1550 *dstp = d1 | d | 0xff000000; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1551 ++srcp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1552 ++dstp; |
|
689
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|
1553 },{ |
|
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|
1554 /* Two Pixels Blend */ |
|
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|
1555 s = *srcp; |
|
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|
1556 d = *dstp; |
|
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|
1557 s1 = s & 0xff00ff; |
|
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|
1558 d1 = d & 0xff00ff; |
|
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|
1559 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1560 d1 &= 0xff00ff; |
|
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|
1561 |
|
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|
1562 s = ((s & 0xff00) >> 8) | |
|
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297
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|
1563 ((srcp[1] & 0xff00) << 8); |
|
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297
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|
1564 d = ((d & 0xff00) >> 8) | |
|
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297
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|
1565 ((dstp[1] & 0xff00) << 8); |
|
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297
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|
1566 d += (s - d) * alpha >> 8; |
|
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|
1567 d &= 0x00ff00ff; |
|
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|
1568 |
|
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|
1569 *dstp++ = d1 | ((d << 8) & 0xff00) | 0xff000000; |
|
5bb080d35049
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|
1570 ++srcp; |
|
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|
1571 |
|
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|
1572 s1 = *srcp; |
|
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|
1573 d1 = *dstp; |
|
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|
1574 s1 &= 0xff00ff; |
|
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|
1575 d1 &= 0xff00ff; |
|
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|
1576 d1 += (s1 - d1) * alpha >> 8; |
|
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|
1577 d1 &= 0xff00ff; |
|
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|
1578 |
|
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|
1579 *dstp = d1 | ((d >> 8) & 0xff00) | 0xff000000; |
|
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|
1580 ++srcp; |
|
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changeset
|
1581 ++dstp; |
|
1
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1582 }, width); |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1583 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1584 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1585 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1586 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1587 } |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1588 } |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1589 |
| 0 | 1590 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
1591 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1592 BlitRGBtoRGBPixelAlpha(SDL_BlitInfo * info) |
| 0 | 1593 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1594 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1595 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1596 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1597 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1598 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1599 int dstskip = info->d_skip >> 2; |
| 0 | 1600 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1601 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1602 /* *INDENT-OFF* */ |
| 0 | 1603 DUFFS_LOOP4({ |
| 1604 Uint32 dalpha; | |
| 1605 Uint32 d; | |
| 1606 Uint32 s1; | |
| 1607 Uint32 d1; | |
| 1608 Uint32 s = *srcp; | |
| 1609 Uint32 alpha = s >> 24; | |
| 1610 /* FIXME: Here we special-case opaque alpha since the | |
| 1611 compositioning used (>>8 instead of /255) doesn't handle | |
| 1612 it correctly. Also special-case alpha=0 for speed? | |
| 1613 Benchmark this! */ | |
|
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|
1614 if(alpha) { |
|
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|
1615 if(alpha == SDL_ALPHA_OPAQUE) { |
| 0 | 1616 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); |
|
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|
1617 } else { |
| 0 | 1618 /* |
| 1619 * take out the middle component (green), and process | |
| 1620 * the other two in parallel. One multiply less. | |
| 1621 */ | |
| 1622 d = *dstp; | |
| 1623 dalpha = d & 0xff000000; | |
| 1624 s1 = s & 0xff00ff; | |
| 1625 d1 = d & 0xff00ff; | |
| 1626 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; | |
| 1627 s &= 0xff00; | |
| 1628 d &= 0xff00; | |
| 1629 d = (d + ((s - d) * alpha >> 8)) & 0xff00; | |
| 1630 *dstp = d1 | d | dalpha; | |
|
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|
1631 } |
| 0 | 1632 } |
| 1633 ++srcp; | |
| 1634 ++dstp; | |
| 1635 }, width); | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1636 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
diff
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|
1637 srcp += srcskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
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|
1638 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1639 } |
| 0 | 1640 } |
| 1641 | |
| 1542 | 1642 #if GCC_ASMBLIT |
|
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|
1643 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ |
| 2038 | 1644 static void |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
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changeset
|
1645 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
|
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|
1646 { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
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|
1647 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
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changeset
|
1648 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1649 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1650 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1651 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1652 int dstskip = info->d_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1653 SDL_PixelFormat *sf = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1654 Uint32 amask = sf->Amask; |
|
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|
1655 |
|
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Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1656 __asm__( |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1657 /* make mm6 all zeros. */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1658 "pxor %%mm6, %%mm6\n" |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1659 /* Make a mask to preserve the alpha. */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1660 "movd %0, %%mm7\n\t" /* 0000F000 -> mm7 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1661 "punpcklbw %%mm7, %%mm7\n\t" /* FF000000 -> mm7 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1662 "pcmpeqb %%mm4, %%mm4\n\t" /* FFFFFFFF -> mm4 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1663 "movq %%mm4, %%mm3\n\t" /* FFFFFFFF -> mm3 (for later) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1664 "pxor %%mm4, %%mm7\n\t" /* 00FFFFFF -> mm7 (mult mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1665 /* form channel masks */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1666 "movq %%mm7, %%mm4\n\t" /* 00FFFFFF -> mm4 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1667 "packsswb %%mm6, %%mm4\n\t" /* 00000FFF -> mm4 (channel mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1668 "packsswb %%mm6, %%mm3\n\t" /* 0000FFFF -> mm3 */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1669 "pxor %%mm4, %%mm3\n\t" /* 0000F000 -> mm3 (~channel mask) */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1670 /* get alpha channel shift */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
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changeset
|
1671 "movd %1, %%mm5\n\t" /* Ashift -> mm5 */ |
|
2101
c4e0afbcf1f6
Merge r3005:3006 from branches/SDL-1.2: Alpha blending MMX/3DNow register bug.
Ryan C. Gordon <icculus@icculus.org>
parents:
2086
diff
changeset
|
1672 : /* nothing */ : "rm"(amask), "rm"((Uint32) sf->Ashift)); |
|
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|
1673 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
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|
1674 while (height--) { |
| 1542 | 1675 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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|
1676 /* *INDENT-OFF* */ |
|
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|
1677 DUFFS_LOOP4({ |
| 1542 | 1678 Uint32 alpha; |
|
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|
1679 |
|
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|
1680 __asm__ ( |
|
5bb080d35049
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|
1681 "prefetch 64(%0)\n" |
|
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|
1682 "prefetch 64(%1)\n" |
|
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|
1683 : : "r" (srcp), "r" (dstp) ); |
|
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|
1684 |
| 1542 | 1685 alpha = *srcp & amask; |
|
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|
1686 /* FIXME: Here we special-case opaque alpha since the |
|
5bb080d35049
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|
1687 compositioning used (>>8 instead of /255) doesn't handle |
|
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|
1688 it correctly. Also special-case alpha=0 for speed? |
|
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|
1689 Benchmark this! */ |
| 1542 | 1690 if(alpha == 0) { |
| 1691 /* do nothing */ | |
| 1692 } | |
| 1693 else if(alpha == amask) { | |
| 1694 /* opaque alpha -- copy RGB, keep dst alpha */ | |
| 1695 /* using MMX here to free up regular registers for other things */ | |
| 1696 __asm__ ( | |
| 1697 "movd (%0), %%mm0\n\t" /* src(ARGB) -> mm0 (0000ARGB)*/ | |
| 1698 "movd (%1), %%mm1\n\t" /* dst(ARGB) -> mm1 (0000ARGB)*/ | |
| 1699 "pand %%mm4, %%mm0\n\t" /* src & chanmask -> mm0 */ | |
| 1700 "pand %%mm3, %%mm1\n\t" /* dst & ~chanmask -> mm2 */ | |
| 1701 "por %%mm0, %%mm1\n\t" /* src | dst -> mm1 */ | |
| 1702 "movd %%mm1, (%1) \n\t" /* mm1 -> dst */ | |
| 1703 | |
| 1704 : : "r" (srcp), "r" (dstp) ); | |
|
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|
1705 } |
|
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|
1706 |
|
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|
1707 else { |
|
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|
1708 __asm__ ( |
|
5bb080d35049
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|
1709 /* load in the source, and dst. */ |
|
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|
1710 "movd (%0), %%mm0\n" /* mm0(s) = 0 0 0 0 | As Rs Gs Bs */ |
|
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|
1711 "movd (%1), %%mm1\n" /* mm1(d) = 0 0 0 0 | Ad Rd Gd Bd */ |
|
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|
1712 |
|
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|
1713 /* Move the src alpha into mm2 */ |
|
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|
1714 |
|
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|
1715 /* if supporting pshufw */ |
|
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|
1716 /*"pshufw $0x55, %%mm0, %%mm2\n" */ /* mm2 = 0 As 0 As | 0 As 0 As */ |
|
5bb080d35049
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|
1717 /*"psrlw $8, %%mm2\n" */ |
|
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|
1718 |
|
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|
1719 /* else: */ |
| 1542 | 1720 "movd %2, %%mm2\n" |
| 1721 "psrld %%mm5, %%mm2\n" /* mm2 = 0 0 0 0 | 0 0 0 As */ | |
|
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|
1722 "punpcklwd %%mm2, %%mm2\n" /* mm2 = 0 0 0 0 | 0 As 0 As */ |
|
5bb080d35049
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|
1723 "punpckldq %%mm2, %%mm2\n" /* mm2 = 0 As 0 As | 0 As 0 As */ |
| 1542 | 1724 "pand %%mm7, %%mm2\n" /* to preserve dest alpha */ |
|
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|
1725 |
|
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|
1726 /* move the colors into words. */ |
|
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|
1727 "punpcklbw %%mm6, %%mm0\n" /* mm0 = 0 As 0 Rs | 0 Gs 0 Bs */ |
|
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|
1728 "punpcklbw %%mm6, %%mm1\n" /* mm0 = 0 Ad 0 Rd | 0 Gd 0 Bd */ |
|
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|
1729 |
|
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|
1730 /* src - dst */ |
|
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|
1731 "psubw %%mm1, %%mm0\n" /* mm0 = As-Ad Rs-Rd | Gs-Gd Bs-Bd */ |
|
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|
1732 |
|
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|
1733 /* A * (src-dst) */ |
| 1542 | 1734 "pmullw %%mm2, %%mm0\n" /* mm0 = 0*As-d As*Rs-d | As*Gs-d As*Bs-d */ |
| 1735 "psrlw $8, %%mm0\n" /* mm0 = 0>>8 Rc>>8 | Gc>>8 Bc>>8 */ | |
| 1736 "paddb %%mm1, %%mm0\n" /* mm0 = 0+Ad Rc+Rd | Gc+Gd Bc+Bd */ | |
|
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|
1737 |
|
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|
1738 "packuswb %%mm0, %%mm0\n" /* mm0 = | Ac Rc Gc Bc */ |
|
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|
1739 |
|
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|
1740 "movd %%mm0, (%1)\n" /* result in mm0 */ |
|
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|
1741 |
| 1542 | 1742 : : "r" (srcp), "r" (dstp), "r" (alpha) ); |
|
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|
1743 |
|
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1744 } |
|
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|
1745 ++srcp; |
|
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|
1746 ++dstp; |
|
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|
1747 }, width); |
|
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|
1748 /* *INDENT-ON* */ |
|
c121d94672cb
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|
1749 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1750 dstp += dstskip; |
|
c121d94672cb
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|
1751 } |
|
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|
1752 |
|
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|
1753 __asm__("emms\n":); |
|
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|
1754 } |
|
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|
1755 |
| 1542 | 1756 /* End GCC_ASMBLIT*/ |
| 1757 | |
| 1758 #elif MSVC_ASMBLIT | |
| 1759 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1760 static void |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1761 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
| 1542 | 1762 { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
1763 int width = info->d_width; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1764 int height = info->d_height; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1765 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1766 int srcskip = info->s_skip >> 2; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
1767 Uint32 *dstp = (Uint32 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
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|
1768 int dstskip = info->d_skip >> 2; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
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|
1769 SDL_PixelFormat *sf = info->src; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
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|
1770 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
1771 Uint32 amask = sf->Amask; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1772 Uint32 ashift = sf->Ashift; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1773 Uint64 multmask; |
| 1542 | 1774 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1775 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
| 1542 | 1776 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1777 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1778 /* *INDENT-OFF* */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1779 multmask = ~(0xFFFFI64 << (ashift * 2)); |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1780 /* *INDENT-ON* */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1781 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1782 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1783 while (height--) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
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changeset
|
1784 /* *INDENT-OFF* */ |
| 1542 | 1785 DUFFS_LOOP4({ |
| 1786 Uint32 alpha; | |
| 1787 | |
| 1788 _m_prefetch(srcp + 16); | |
| 1789 _m_prefetch(dstp + 16); | |
| 1790 | |
| 1791 alpha = *srcp & amask; | |
| 1792 if (alpha == 0) { | |
| 1793 /* do nothing */ | |
| 1794 } else if (alpha == amask) { | |
| 1795 /* copy RGB, keep dst alpha */ | |
| 1796 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
| 1797 } else { | |
| 1798 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
| 1799 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
| 1800 | |
| 1801 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
| 1802 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
| 1803 | |
| 1804 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
| 1805 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
| 1806 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
| 1807 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
| 1808 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
| 1809 | |
| 1810 /* blend */ | |
| 1811 src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */ | |
| 1812 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */ | |
| 1813 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
| 1814 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */ | |
| 1815 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
| 1816 | |
| 1817 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
| 1818 } | |
| 1819 ++srcp; | |
| 1820 ++dstp; | |
| 1821 }, width); | |
|
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|
1822 /* *INDENT-ON* */ |
|
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|
1823 srcp += srcskip; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1824 dstp += dstskip; |
|
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Sam Lantinga <slouken@libsdl.org>
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changeset
|
1825 } |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1826 _mm_empty(); |
| 1542 | 1827 } |
|
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|
1828 |
| 1542 | 1829 /* End MSVC_ASMBLIT */ |
| 1830 | |
| 1831 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
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|
1832 |
|
1
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Changes since SDL 1.2.0 release
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0
diff
changeset
|
1833 /* 16bpp special case for per-surface alpha=50%: blend 2 pixels in parallel */ |
|
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Changes since SDL 1.2.0 release
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|
1834 |
|
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Changes since SDL 1.2.0 release
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|
1835 /* blend a single 16 bit pixel at 50% */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
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|
1836 #define BLEND16_50(d, s, mask) \ |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
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|
1837 ((((s & mask) + (d & mask)) >> 1) + (s & d & (~mask & 0xffff))) |
|
cf2af46e9e2a
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Sam Lantinga <slouken@lokigames.com>
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|
1838 |
|
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Changes since SDL 1.2.0 release
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|
1839 /* blend two 16 bit pixels at 50% */ |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1840 #define BLEND2x16_50(d, s, mask) \ |
|
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Changes since SDL 1.2.0 release
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diff
changeset
|
1841 (((s & (mask | mask << 16)) >> 1) + ((d & (mask | mask << 16)) >> 1) \ |
|
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1842 + (s & d & (~(mask | mask << 16)))) |
|
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Changes since SDL 1.2.0 release
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|
1843 |
|
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|
1844 static void |
|
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|
1845 Blit16to16SurfaceAlpha128(SDL_BlitInfo * info, Uint16 mask) |
| 0 | 1846 { |
|
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|
1847 int width = info->d_width; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1848 int height = info->d_height; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1849 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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|
1850 int srcskip = info->s_skip >> 1; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1851 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1852 int dstskip = info->d_skip >> 1; |
| 0 | 1853 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1854 while (height--) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1855 if (((uintptr_t) srcp ^ (uintptr_t) dstp) & 2) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1856 /* |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1857 * Source and destination not aligned, pipeline it. |
|
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Sam Lantinga <slouken@libsdl.org>
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|
1858 * This is mostly a win for big blits but no loss for |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1859 * small ones |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1860 */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1861 Uint32 prev_sw; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1862 int w = width; |
|
1
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Changes since SDL 1.2.0 release
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|
1863 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1864 /* handle odd destination */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1865 if ((uintptr_t) dstp & 2) { |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1866 Uint16 d = *dstp, s = *srcp; |
|
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|
1867 *dstp = BLEND16_50(d, s, mask); |
|
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|
1868 dstp++; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1869 srcp++; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1870 w--; |
|
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|
1871 } |
|
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changeset
|
1872 srcp++; /* srcp is now 32-bit aligned */ |
|
1
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Changes since SDL 1.2.0 release
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changeset
|
1873 |
|
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|
1874 /* bootstrap pipeline with first halfword */ |
|
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changeset
|
1875 prev_sw = ((Uint32 *) srcp)[-1]; |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
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changeset
|
1876 |
|
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|
1877 while (w > 1) { |
|
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changeset
|
1878 Uint32 sw, dw, s; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1879 sw = *(Uint32 *) srcp; |
|
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|
1880 dw = *(Uint32 *) dstp; |
|
1443
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Fixed some OpenWatcom warnings
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|
1881 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
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|
1882 s = (prev_sw << 16) + (sw >> 16); |
|
1443
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|
1883 #else |
|
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changeset
|
1884 s = (prev_sw >> 16) + (sw << 16); |
|
1443
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|
1885 #endif |
|
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|
1886 prev_sw = sw; |
|
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|
1887 *(Uint32 *) dstp = BLEND2x16_50(dw, s, mask); |
|
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|
1888 dstp += 2; |
|
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|
1889 srcp += 2; |
|
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|
1890 w -= 2; |
|
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|
1891 } |
|
1
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parents:
0
diff
changeset
|
1892 |
|
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|
1893 /* final pixel if any */ |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
1894 if (w) { |
|
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1895 Uint16 d = *dstp, s; |
|
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1896 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
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1897 s = (Uint16) prev_sw; |
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1898 #else |
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1899 s = (Uint16) (prev_sw >> 16); |
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1900 #endif |
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1901 *dstp = BLEND16_50(d, s, mask); |
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1902 srcp++; |
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1903 dstp++; |
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1904 } |
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1905 srcp += srcskip - 1; |
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1906 dstp += dstskip; |
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1907 } else { |
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1908 /* source and destination are aligned */ |
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1909 int w = width; |
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1910 |
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1911 /* first odd pixel? */ |
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1912 if ((uintptr_t) srcp & 2) { |
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1913 Uint16 d = *dstp, s = *srcp; |
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1914 *dstp = BLEND16_50(d, s, mask); |
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1915 srcp++; |
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1916 dstp++; |
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1917 w--; |
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1918 } |
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1919 /* srcp and dstp are now 32-bit aligned */ |
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1920 |
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1921 while (w > 1) { |
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1922 Uint32 sw = *(Uint32 *) srcp; |
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1923 Uint32 dw = *(Uint32 *) dstp; |
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1924 *(Uint32 *) dstp = BLEND2x16_50(dw, sw, mask); |
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1925 srcp += 2; |
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1926 dstp += 2; |
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1927 w -= 2; |
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1928 } |
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1929 |
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1930 /* last odd pixel? */ |
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1931 if (w) { |
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1932 Uint16 d = *dstp, s = *srcp; |
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1933 *dstp = BLEND16_50(d, s, mask); |
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1934 srcp++; |
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1935 dstp++; |
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1936 } |
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1937 srcp += srcskip; |
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1938 dstp += dstskip; |
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1939 } |
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1940 } |
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1941 } |
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1942 |
| 1542 | 1943 #if GCC_ASMBLIT |
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1944 /* fast RGB565->RGB565 blending with surface alpha */ |
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1945 static void |
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1946 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
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1947 { |
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1948 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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1949 if (alpha == 128) { |
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1950 Blit16to16SurfaceAlpha128(info, 0xf7de); |
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1951 } else { |
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1952 int width = info->d_width; |
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1953 int height = info->d_height; |
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1954 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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1955 int srcskip = info->s_skip >> 1; |
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1956 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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1957 int dstskip = info->d_skip >> 1; |
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1958 Uint32 s, d; |
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1959 Uint8 load[8]; |
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1960 |
|
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1961 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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1962 *(Uint64 *) load = alpha; |
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1963 alpha >>= 3; /* downscale alpha to 5 bits */ |
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1964 |
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1965 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
|
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1966 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
|
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1967 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
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1968 /* position alpha to allow for mullo and mulhi on diff channels |
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1969 to reduce the number of operations */ |
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1970 psllq_i2r(3, mm0); |
|
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1971 |
|
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1972 /* Setup the 565 color channel masks */ |
|
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1973 *(Uint64 *) load = 0x07E007E007E007E0ULL; |
|
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1974 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
|
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1975 *(Uint64 *) load = 0x001F001F001F001FULL; |
|
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1976 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
|
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1977 while (height--) { |
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1978 /* *INDENT-OFF* */ |
| 1542 | 1979 DUFFS_LOOP_QUATRO2( |
| 1980 { | |
| 1981 s = *srcp++; | |
|
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1982 d = *dstp; |
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1983 /* |
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1984 * shift out the middle component (green) to |
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1985 * the high 16 bits, and process all three RGB |
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1986 * components at the same time. |
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1987 */ |
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1988 s = (s | s << 16) & 0x07e0f81f; |
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1989 d = (d | d << 16) & 0x07e0f81f; |
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1990 d += (s - d) * alpha >> 5; |
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1991 d &= 0x07e0f81f; |
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1992 *dstp++ = d | d >> 16; |
| 1542 | 1993 },{ |
| 1994 s = *srcp++; | |
|
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1995 d = *dstp; |
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1996 /* |
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1997 * shift out the middle component (green) to |
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1998 * the high 16 bits, and process all three RGB |
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1999 * components at the same time. |
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2000 */ |
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2001 s = (s | s << 16) & 0x07e0f81f; |
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2002 d = (d | d << 16) & 0x07e0f81f; |
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2003 d += (s - d) * alpha >> 5; |
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2004 d &= 0x07e0f81f; |
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2005 *dstp++ = d | d >> 16; |
| 1542 | 2006 s = *srcp++; |
|
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2007 d = *dstp; |
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2008 /* |
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2009 * shift out the middle component (green) to |
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2010 * the high 16 bits, and process all three RGB |
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2011 * components at the same time. |
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2012 */ |
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2013 s = (s | s << 16) & 0x07e0f81f; |
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2014 d = (d | d << 16) & 0x07e0f81f; |
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2015 d += (s - d) * alpha >> 5; |
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2016 d &= 0x07e0f81f; |
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2017 *dstp++ = d | d >> 16; |
| 1542 | 2018 },{ |
| 2019 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2020 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2021 | |
| 2022 /* red -- does not need a mask since the right shift clears | |
| 2023 the uninteresting bits */ | |
| 2024 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2025 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2026 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 [000r 000r 000r 000r] */ | |
| 2027 psrlw_i2r(11, mm6); /* mm6 >> 11 -> mm6 [000r 000r 000r 000r] */ | |
| 2028 | |
| 2029 /* blend */ | |
| 2030 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2031 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2032 /* alpha used is actually 11 bits | |
| 2033 11 + 5 = 16 bits, so the sign bits are lost */ | |
| 2034 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2035 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2036 psllw_i2r(11, mm6); /* mm6 << 11 -> mm6 */ | |
| 2037 | |
| 2038 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2039 | |
| 2040 /* green -- process the bits in place */ | |
| 2041 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2042 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2043 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2044 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2045 | |
| 2046 /* blend */ | |
| 2047 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2048 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2049 /* 11 + 11 - 16 = 6 bits, so all the lower uninteresting | |
| 2050 bits are gone and the sign bits present */ | |
| 2051 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2052 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2053 | |
| 2054 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2055 | |
| 2056 /* blue */ | |
| 2057 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2058 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2059 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2060 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2061 | |
| 2062 /* blend */ | |
| 2063 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2064 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2065 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2066 the interesting bits will need to be MASKed */ | |
| 2067 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2068 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2069 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2070 | |
| 2071 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2072 | |
| 2073 movq_r2m(mm1, *dstp); /* mm1 -> 4 dst pixels */ | |
| 2074 | |
| 2075 srcp += 4; | |
| 2076 dstp += 4; | |
| 2077 }, width); | |
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2078 /* *INDENT-ON* */ |
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2079 srcp += srcskip; |
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2080 dstp += dstskip; |
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2081 } |
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2082 emms(); |
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2083 } |
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2084 } |
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2085 |
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2086 /* fast RGB555->RGB555 blending with surface alpha */ |
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2087 static void |
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2088 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
|
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2089 { |
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2090 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
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2091 if (alpha == 128) { |
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2092 Blit16to16SurfaceAlpha128(info, 0xfbde); |
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2093 } else { |
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2094 int width = info->d_width; |
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2095 int height = info->d_height; |
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2096 Uint16 *srcp = (Uint16 *) info->s_pixels; |
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2097 int srcskip = info->s_skip >> 1; |
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2098 Uint16 *dstp = (Uint16 *) info->d_pixels; |
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2099 int dstskip = info->d_skip >> 1; |
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2100 Uint32 s, d; |
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2101 Uint8 load[8]; |
|
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2102 |
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2103 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
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2104 *(Uint64 *) load = alpha; |
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2105 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2106 |
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2107 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
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2108 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
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2109 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
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2110 /* position alpha to allow for mullo and mulhi on diff channels |
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2111 to reduce the number of operations */ |
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2112 psllq_i2r(3, mm0); |
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2113 |
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2114 /* Setup the 555 color channel masks */ |
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2115 *(Uint64 *) load = 0x03E003E003E003E0ULL; |
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2116 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
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2117 *(Uint64 *) load = 0x001F001F001F001FULL; |
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2118 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
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2119 while (height--) { |
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2120 /* *INDENT-OFF* */ |
| 1542 | 2121 DUFFS_LOOP_QUATRO2( |
| 2122 { | |
| 2123 s = *srcp++; | |
|
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2124 d = *dstp; |
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2125 /* |
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2126 * shift out the middle component (green) to |
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2127 * the high 16 bits, and process all three RGB |
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2128 * components at the same time. |
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2129 */ |
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2130 s = (s | s << 16) & 0x03e07c1f; |
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2131 d = (d | d << 16) & 0x03e07c1f; |
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2132 d += (s - d) * alpha >> 5; |
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2133 d &= 0x03e07c1f; |
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2134 *dstp++ = d | d >> 16; |
| 1542 | 2135 },{ |
| 2136 s = *srcp++; | |
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2137 d = *dstp; |
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2138 /* |
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2139 * shift out the middle component (green) to |
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2140 * the high 16 bits, and process all three RGB |
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2141 * components at the same time. |
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2142 */ |
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2143 s = (s | s << 16) & 0x03e07c1f; |
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2144 d = (d | d << 16) & 0x03e07c1f; |
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2145 d += (s - d) * alpha >> 5; |
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2146 d &= 0x03e07c1f; |
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2147 *dstp++ = d | d >> 16; |
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2148 s = *srcp++; |
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2149 d = *dstp; |
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2150 /* |
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2151 * shift out the middle component (green) to |
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2152 * the high 16 bits, and process all three RGB |
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2153 * components at the same time. |
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2154 */ |
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2155 s = (s | s << 16) & 0x03e07c1f; |
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2156 d = (d | d << 16) & 0x03e07c1f; |
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|
2157 d += (s - d) * alpha >> 5; |
|
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|
2158 d &= 0x03e07c1f; |
|
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|
2159 *dstp++ = d | d >> 16; |
| 1542 | 2160 },{ |
| 2161 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ | |
| 2162 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ | |
| 2163 | |
| 2164 /* red -- process the bits in place */ | |
| 2165 psllq_i2r(5, mm4); /* turn MASKGREEN into MASKRED */ | |
| 2166 /* by reusing the GREEN mask we free up another mmx | |
| 2167 register to accumulate the result */ | |
| 2168 | |
| 2169 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2170 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2171 pand_r2r(mm4, mm5); /* src & MASKRED -> mm5 */ | |
| 2172 pand_r2r(mm4, mm6); /* dst & MASKRED -> mm6 */ | |
| 2173 | |
| 2174 /* blend */ | |
| 2175 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2176 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2177 /* 11 + 15 - 16 = 10 bits, uninteresting bits will be | |
| 2178 cleared by a MASK below */ | |
| 2179 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2180 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2181 pand_r2r(mm4, mm6); /* mm6 & MASKRED -> mm6 */ | |
| 2182 | |
| 2183 psrlq_i2r(5, mm4); /* turn MASKRED back into MASKGREEN */ | |
| 2184 | |
| 2185 movq_r2r(mm6, mm1); /* save new reds in dsts */ | |
| 2186 | |
| 2187 /* green -- process the bits in place */ | |
| 2188 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2189 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2190 pand_r2r(mm4, mm5); /* src & MASKGREEN -> mm5 */ | |
| 2191 pand_r2r(mm4, mm6); /* dst & MASKGREEN -> mm6 */ | |
| 2192 | |
| 2193 /* blend */ | |
| 2194 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2195 pmulhw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2196 /* 11 + 10 - 16 = 5 bits, so all the lower uninteresting | |
| 2197 bits are gone and the sign bits present */ | |
| 2198 psllw_i2r(5, mm5); /* mm5 << 5 -> mm5 */ | |
| 2199 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2200 | |
| 2201 por_r2r(mm6, mm1); /* save new greens in dsts */ | |
| 2202 | |
| 2203 /* blue */ | |
| 2204 movq_r2r(mm2, mm5); /* src -> mm5 */ | |
| 2205 movq_r2r(mm3, mm6); /* dst -> mm6 */ | |
| 2206 pand_r2r(mm7, mm5); /* src & MASKBLUE -> mm5[000b 000b 000b 000b] */ | |
| 2207 pand_r2r(mm7, mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2208 | |
| 2209 /* blend */ | |
| 2210 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ | |
| 2211 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ | |
| 2212 /* 11 + 5 = 16 bits, so the sign bits are lost and | |
| 2213 the interesting bits will need to be MASKed */ | |
| 2214 psrlw_i2r(11, mm5); /* mm5 >> 11 -> mm5 */ | |
| 2215 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ | |
| 2216 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6[000b 000b 000b 000b] */ | |
| 2217 | |
| 2218 por_r2r(mm6, mm1); /* save new blues in dsts */ | |
| 2219 | |
| 2220 movq_r2m(mm1, *dstp);/* mm1 -> 4 dst pixels */ | |
| 2221 | |
| 2222 srcp += 4; | |
| 2223 dstp += 4; | |
|
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2224 }, width); |
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|
2225 /* *INDENT-ON* */ |
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2226 srcp += srcskip; |
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|
2227 dstp += dstskip; |
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|
2228 } |
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|
2229 emms(); |
|
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2230 } |
|
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2231 } |
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|
2232 |
| 1542 | 2233 /* End GCC_ASMBLIT */ |
| 2234 | |
| 2235 #elif MSVC_ASMBLIT | |
| 2236 /* fast RGB565->RGB565 blending with surface alpha */ | |
|
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|
2237 static void |
|
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|
2238 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2239 { |
|
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|
2240 unsigned alpha = info->src->alpha; |
|
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|
2241 if (alpha == 128) { |
|
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|
2242 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
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|
2243 } else { |
|
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|
2244 int width = info->d_width; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2245 int height = info->d_height; |
|
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|
2246 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
2247 int srcskip = info->s_skip >> 1; |
|
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|
2248 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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|
2249 int dstskip = info->d_skip >> 1; |
|
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2250 Uint32 s, d; |
|
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2251 |
|
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|
2252 __m64 src1, dst1, src2, dst2, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2253 |
|
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|
2254 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
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|
2255 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
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|
2256 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2257 |
|
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|
2258 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
|
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|
2259 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
|
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2260 /* position alpha to allow for mullo and mulhi on diff channels |
|
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|
2261 to reduce the number of operations */ |
|
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|
2262 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
|
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|
2263 |
|
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|
2264 /* Setup the 565 color channel masks */ |
|
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|
2265 gmask = _mm_set_pi32(0x07E007E0, 0x07E007E0); /* MASKGREEN -> gmask */ |
|
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|
2266 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
|
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|
2267 |
|
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|
2268 while (height--) { |
|
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|
2269 /* *INDENT-OFF* */ |
| 1542 | 2270 DUFFS_LOOP_QUATRO2( |
| 2271 { | |
| 2272 s = *srcp++; | |
| 2273 d = *dstp; | |
| 2274 /* | |
| 2275 * shift out the middle component (green) to | |
| 2276 * the high 16 bits, and process all three RGB | |
| 2277 * components at the same time. | |
| 2278 */ | |
| 2279 s = (s | s << 16) & 0x07e0f81f; | |
| 2280 d = (d | d << 16) & 0x07e0f81f; | |
| 2281 d += (s - d) * alpha >> 5; | |
| 2282 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
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1542
diff
changeset
|
2283 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2284 },{ |
| 2285 s = *srcp++; | |
| 2286 d = *dstp; | |
| 2287 /* | |
| 2288 * shift out the middle component (green) to | |
| 2289 * the high 16 bits, and process all three RGB | |
| 2290 * components at the same time. | |
| 2291 */ | |
| 2292 s = (s | s << 16) & 0x07e0f81f; | |
| 2293 d = (d | d << 16) & 0x07e0f81f; | |
| 2294 d += (s - d) * alpha >> 5; | |
| 2295 d &= 0x07e0f81f; | |
|
1546
4b835e36633d
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Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2296 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2297 s = *srcp++; |
| 2298 d = *dstp; | |
| 2299 /* | |
| 2300 * shift out the middle component (green) to | |
| 2301 * the high 16 bits, and process all three RGB | |
| 2302 * components at the same time. | |
| 2303 */ | |
| 2304 s = (s | s << 16) & 0x07e0f81f; | |
| 2305 d = (d | d << 16) & 0x07e0f81f; | |
| 2306 d += (s - d) * alpha >> 5; | |
| 2307 d &= 0x07e0f81f; | |
|
1546
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1542
diff
changeset
|
2308 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2309 },{ |
| 2310 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2311 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2312 | |
| 2313 /* red */ | |
| 2314 src2 = src1; | |
| 2315 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 [000r 000r 000r 000r] */ | |
| 2316 | |
| 2317 dst2 = dst1; | |
| 2318 dst2 = _mm_srli_pi16(dst2, 11); /* dst2 >> 11 -> dst2 [000r 000r 000r 000r] */ | |
| 2319 | |
| 2320 /* blend */ | |
| 2321 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2322 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2323 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2324 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2325 dst2 = _mm_slli_pi16(dst2, 11); /* dst2 << 11 -> dst2 */ | |
| 2326 | |
| 2327 mm_res = dst2; /* RED -> mm_res */ | |
| 2328 | |
| 2329 /* green -- process the bits in place */ | |
| 2330 src2 = src1; | |
| 2331 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2332 | |
| 2333 dst2 = dst1; | |
| 2334 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2335 | |
| 2336 /* blend */ | |
| 2337 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2338 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2339 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2340 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2341 | |
| 2342 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2343 | |
| 2344 /* blue */ | |
| 2345 src2 = src1; | |
| 2346 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2347 | |
| 2348 dst2 = dst1; | |
| 2349 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2350 | |
| 2351 /* blend */ | |
| 2352 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2353 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2354 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2355 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2356 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2357 | |
| 2358 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2359 | |
| 2360 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2361 | |
| 2362 srcp += 4; | |
| 2363 dstp += 4; | |
|
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2364 }, width); |
|
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|
2365 /* *INDENT-ON* */ |
|
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|
2366 srcp += srcskip; |
|
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|
2367 dstp += dstskip; |
|
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|
2368 } |
|
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|
2369 _mm_empty(); |
|
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|
2370 } |
| 1542 | 2371 } |
| 2372 | |
| 2373 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
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|
2374 static void |
|
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|
2375 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
| 1542 | 2376 { |
|
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|
2377 unsigned alpha = info->src->alpha; |
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|
2378 if (alpha == 128) { |
|
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|
2379 Blit16to16SurfaceAlpha128(info, 0xfbde); |
|
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|
2380 } else { |
|
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|
2381 int width = info->d_width; |
|
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|
2382 int height = info->d_height; |
|
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Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2383 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2384 int srcskip = info->s_skip >> 1; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2385 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2386 int dstskip = info->d_skip >> 1; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2387 Uint32 s, d; |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2388 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2389 __m64 src1, dst1, src2, dst2, rmask, gmask, bmask, mm_res, mm_alpha; |
| 1542 | 2390 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
2391 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2392 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2393 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 1542 | 2394 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2395 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2396 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2397 /* position alpha to allow for mullo and mulhi on diff channels |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2398 to reduce the number of operations */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2399 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
| 1542 | 2400 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2401 /* Setup the 555 color channel masks */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2402 rmask = _mm_set_pi32(0x7C007C00, 0x7C007C00); /* MASKRED -> rmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2403 gmask = _mm_set_pi32(0x03E003E0, 0x03E003E0); /* MASKGREEN -> gmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2404 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2405 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2406 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2407 /* *INDENT-OFF* */ |
| 1542 | 2408 DUFFS_LOOP_QUATRO2( |
| 2409 { | |
| 2410 s = *srcp++; | |
| 2411 d = *dstp; | |
| 2412 /* | |
| 2413 * shift out the middle component (green) to | |
| 2414 * the high 16 bits, and process all three RGB | |
| 2415 * components at the same time. | |
| 2416 */ | |
| 2417 s = (s | s << 16) & 0x03e07c1f; | |
| 2418 d = (d | d << 16) & 0x03e07c1f; | |
| 2419 d += (s - d) * alpha >> 5; | |
| 2420 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2421 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2422 },{ |
| 2423 s = *srcp++; | |
| 2424 d = *dstp; | |
| 2425 /* | |
| 2426 * shift out the middle component (green) to | |
| 2427 * the high 16 bits, and process all three RGB | |
| 2428 * components at the same time. | |
| 2429 */ | |
| 2430 s = (s | s << 16) & 0x03e07c1f; | |
| 2431 d = (d | d << 16) & 0x03e07c1f; | |
| 2432 d += (s - d) * alpha >> 5; | |
| 2433 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2434 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2435 s = *srcp++; |
| 2436 d = *dstp; | |
| 2437 /* | |
| 2438 * shift out the middle component (green) to | |
| 2439 * the high 16 bits, and process all three RGB | |
| 2440 * components at the same time. | |
| 2441 */ | |
| 2442 s = (s | s << 16) & 0x03e07c1f; | |
| 2443 d = (d | d << 16) & 0x03e07c1f; | |
| 2444 d += (s - d) * alpha >> 5; | |
| 2445 d &= 0x03e07c1f; | |
|
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
2446 *dstp++ = (Uint16)(d | d >> 16); |
| 1542 | 2447 },{ |
| 2448 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
| 2449 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
| 2450 | |
| 2451 /* red -- process the bits in place */ | |
| 2452 src2 = src1; | |
| 2453 src2 = _mm_and_si64(src2, rmask); /* src & MASKRED -> src2 */ | |
| 2454 | |
| 2455 dst2 = dst1; | |
| 2456 dst2 = _mm_and_si64(dst2, rmask); /* dst & MASKRED -> dst2 */ | |
| 2457 | |
| 2458 /* blend */ | |
| 2459 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2460 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2461 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2462 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2463 dst2 = _mm_and_si64(dst2, rmask); /* dst2 & MASKRED -> dst2 */ | |
| 2464 | |
| 2465 mm_res = dst2; /* RED -> mm_res */ | |
| 2466 | |
| 2467 /* green -- process the bits in place */ | |
| 2468 src2 = src1; | |
| 2469 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
| 2470 | |
| 2471 dst2 = dst1; | |
| 2472 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
| 2473 | |
| 2474 /* blend */ | |
| 2475 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2476 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2477 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
| 2478 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2479 | |
| 2480 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
| 2481 | |
| 2482 /* blue */ | |
| 2483 src2 = src1; /* src -> src2 */ | |
| 2484 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
| 2485 | |
| 2486 dst2 = dst1; /* dst -> dst2 */ | |
| 2487 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
| 2488 | |
| 2489 /* blend */ | |
| 2490 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
| 2491 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
| 2492 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
| 2493 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
| 2494 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
| 2495 | |
| 2496 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
| 2497 | |
| 2498 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
| 2499 | |
| 2500 srcp += 4; | |
| 2501 dstp += 4; | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2502 }, width); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2503 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2504 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2505 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2506 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2507 _mm_empty(); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2508 } |
| 1542 | 2509 } |
| 2510 #endif /* GCC_ASMBLIT, MSVC_ASMBLIT */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2511 |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2512 /* fast RGB565->RGB565 blending with surface alpha */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2513 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2514 Blit565to565SurfaceAlpha(SDL_BlitInfo * info) |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2515 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2516 unsigned alpha = info->src->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2517 if (alpha == 128) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2518 Blit16to16SurfaceAlpha128(info, 0xf7de); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2519 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2520 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2521 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2522 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2523 int srcskip = info->s_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2524 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2525 int dstskip = info->d_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2526 alpha >>= 3; /* downscale alpha to 5 bits */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2527 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2528 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2529 /* *INDENT-OFF* */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2530 DUFFS_LOOP4({ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2531 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2532 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2533 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2534 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2535 * the high 16 bits, and process all three RGB |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2536 * components at the same time. |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2537 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2538 s = (s | s << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2539 d = (d | d << 16) & 0x07e0f81f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2540 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2541 d &= 0x07e0f81f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2542 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2543 }, width); |
|
1895
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changeset
|
2544 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
2545 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2546 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
2547 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2548 } |
| 0 | 2549 } |
| 2550 | |
| 2551 /* fast RGB555->RGB555 blending with surface alpha */ | |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
2552 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
2553 Blit555to555SurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2554 { |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
2555 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2556 if (alpha == 128) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2557 Blit16to16SurfaceAlpha128(info, 0xfbde); |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2558 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
2559 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2560 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2561 Uint16 *srcp = (Uint16 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2562 int srcskip = info->s_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2563 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2564 int dstskip = info->d_skip >> 1; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2565 alpha >>= 3; /* downscale alpha to 5 bits */ |
| 0 | 2566 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2567 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2568 /* *INDENT-OFF* */ |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2569 DUFFS_LOOP4({ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2570 Uint32 s = *srcp++; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2571 Uint32 d = *dstp; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2572 /* |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2573 * shift out the middle component (green) to |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2574 * the high 16 bits, and process all three RGB |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2575 * components at the same time. |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2576 */ |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2577 s = (s | s << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2578 d = (d | d << 16) & 0x03e07c1f; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2579 d += (s - d) * alpha >> 5; |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2580 d &= 0x03e07c1f; |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2581 *dstp++ = (Uint16)(d | d >> 16); |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
2582 }, width); |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2583 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2584 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2585 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2586 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2587 } |
| 0 | 2588 } |
| 2589 | |
| 2590 /* fast ARGB8888->RGB565 blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2591 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2592 BlitARGBto565PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2593 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2594 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2595 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2596 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2597 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2598 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2599 int dstskip = info->d_skip >> 1; |
| 0 | 2600 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2601 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2602 /* *INDENT-OFF* */ |
| 0 | 2603 DUFFS_LOOP4({ |
| 2604 Uint32 s = *srcp; | |
| 2605 unsigned alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2606 /* FIXME: Here we special-case opaque alpha since the | |
| 2607 compositioning used (>>8 instead of /255) doesn't handle | |
| 2608 it correctly. Also special-case alpha=0 for speed? | |
| 2609 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2610 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2611 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2612 *dstp = (Uint16)((s >> 8 & 0xf800) + (s >> 5 & 0x7e0) + (s >> 3 & 0x1f)); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2613 } else { |
| 0 | 2614 Uint32 d = *dstp; |
| 2615 /* | |
| 2616 * convert source and destination to G0RAB65565 | |
| 2617 * and blend all components at the same time | |
| 2618 */ | |
| 2619 s = ((s & 0xfc00) << 11) + (s >> 8 & 0xf800) | |
| 2620 + (s >> 3 & 0x1f); | |
| 2621 d = (d | d << 16) & 0x07e0f81f; | |
| 2622 d += (s - d) * alpha >> 5; | |
| 2623 d &= 0x07e0f81f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2624 *dstp = (Uint16)(d | d >> 16); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2625 } |
| 0 | 2626 } |
| 2627 srcp++; | |
| 2628 dstp++; | |
| 2629 }, width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2630 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2631 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2632 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2633 } |
| 0 | 2634 } |
| 2635 | |
| 2636 /* fast ARGB8888->RGB555 blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2637 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2638 BlitARGBto555PixelAlpha(SDL_BlitInfo * info) |
| 0 | 2639 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2640 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2641 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2642 Uint32 *srcp = (Uint32 *) info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2643 int srcskip = info->s_skip >> 2; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2644 Uint16 *dstp = (Uint16 *) info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2645 int dstskip = info->d_skip >> 1; |
| 0 | 2646 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2647 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2648 /* *INDENT-OFF* */ |
| 0 | 2649 DUFFS_LOOP4({ |
| 2650 unsigned alpha; | |
| 2651 Uint32 s = *srcp; | |
| 2652 alpha = s >> 27; /* downscale alpha to 5 bits */ | |
| 2653 /* FIXME: Here we special-case opaque alpha since the | |
| 2654 compositioning used (>>8 instead of /255) doesn't handle | |
| 2655 it correctly. Also special-case alpha=0 for speed? | |
| 2656 Benchmark this! */ | |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2657 if(alpha) { |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2658 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2659 *dstp = (Uint16)((s >> 9 & 0x7c00) + (s >> 6 & 0x3e0) + (s >> 3 & 0x1f)); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2660 } else { |
| 0 | 2661 Uint32 d = *dstp; |
| 2662 /* | |
| 2663 * convert source and destination to G0RAB65565 | |
| 2664 * and blend all components at the same time | |
| 2665 */ | |
| 2666 s = ((s & 0xf800) << 10) + (s >> 9 & 0x7c00) | |
| 2667 + (s >> 3 & 0x1f); | |
| 2668 d = (d | d << 16) & 0x03e07c1f; | |
| 2669 d += (s - d) * alpha >> 5; | |
| 2670 d &= 0x03e07c1f; | |
|
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
2671 *dstp = (Uint16)(d | d >> 16); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2672 } |
| 0 | 2673 } |
| 2674 srcp++; | |
| 2675 dstp++; | |
| 2676 }, width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2677 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2678 srcp += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2679 dstp += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2680 } |
| 0 | 2681 } |
| 2682 | |
| 2683 /* General (slow) N->N blending with per-surface alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2684 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2685 BlitNtoNSurfaceAlpha(SDL_BlitInfo * info) |
| 0 | 2686 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2687 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2688 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2689 Uint8 *src = info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2690 int srcskip = info->s_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2691 Uint8 *dst = info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2692 int dstskip = info->d_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2693 SDL_PixelFormat *srcfmt = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2694 SDL_PixelFormat *dstfmt = info->dst; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2695 int srcbpp = srcfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2696 int dstbpp = dstfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2697 unsigned sA = srcfmt->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2698 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2699 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2700 if (sA) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2701 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2702 /* *INDENT-OFF* */ |
| 0 | 2703 DUFFS_LOOP4( |
| 2704 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2705 Uint32 Pixel; |
| 0 | 2706 unsigned sR; |
| 2707 unsigned sG; | |
| 2708 unsigned sB; | |
| 2709 unsigned dR; | |
| 2710 unsigned dG; | |
| 2711 unsigned dB; | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2712 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2713 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2714 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2715 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2716 src += srcbpp; | |
| 2717 dst += dstbpp; | |
| 2718 }, | |
| 2719 width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2720 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2721 src += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2722 dst += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2723 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2724 } |
| 0 | 2725 } |
| 2726 | |
| 2727 /* General (slow) colorkeyed N->N blending with per-surface alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2728 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2729 BlitNtoNSurfaceAlphaKey(SDL_BlitInfo * info) |
| 0 | 2730 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2731 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2732 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2733 Uint8 *src = info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2734 int srcskip = info->s_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2735 Uint8 *dst = info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2736 int dstskip = info->d_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2737 SDL_PixelFormat *srcfmt = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2738 SDL_PixelFormat *dstfmt = info->dst; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2739 Uint32 ckey = srcfmt->colorkey; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2740 int srcbpp = srcfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2741 int dstbpp = dstfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2742 unsigned sA = srcfmt->alpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2743 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
| 0 | 2744 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2745 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2746 /* *INDENT-OFF* */ |
| 0 | 2747 DUFFS_LOOP4( |
| 2748 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2749 Uint32 Pixel; |
| 0 | 2750 unsigned sR; |
| 2751 unsigned sG; | |
| 2752 unsigned sB; | |
| 2753 unsigned dR; | |
| 2754 unsigned dG; | |
| 2755 unsigned dB; | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2756 RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel); |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2757 if(sA && Pixel != ckey) { |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2758 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); |
|
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2759 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
| 0 | 2760 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
| 2761 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
| 2762 } | |
| 2763 src += srcbpp; | |
| 2764 dst += dstbpp; | |
| 2765 }, | |
| 2766 width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2767 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2768 src += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2769 dst += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2770 } |
| 0 | 2771 } |
| 2772 | |
| 2773 /* General (slow) N->N blending with pixel alpha */ | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2774 static void |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2775 BlitNtoNPixelAlpha(SDL_BlitInfo * info) |
| 0 | 2776 { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2777 int width = info->d_width; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2778 int height = info->d_height; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2779 Uint8 *src = info->s_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2780 int srcskip = info->s_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2781 Uint8 *dst = info->d_pixels; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2782 int dstskip = info->d_skip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2783 SDL_PixelFormat *srcfmt = info->src; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2784 SDL_PixelFormat *dstfmt = info->dst; |
| 0 | 2785 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2786 int srcbpp; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2787 int dstbpp; |
| 0 | 2788 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2789 /* Set up some basic variables */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2790 srcbpp = srcfmt->BytesPerPixel; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2791 dstbpp = dstfmt->BytesPerPixel; |
| 0 | 2792 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2793 /* FIXME: for 8bpp source alpha, this doesn't get opaque values |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2794 quite right. for <8bpp source alpha, it gets them very wrong |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2795 (check all macros!) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2796 It is unclear whether there is a good general solution that doesn't |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2797 need a branch (or a divide). */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2798 while (height--) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2799 /* *INDENT-OFF* */ |
| 0 | 2800 DUFFS_LOOP4( |
| 2801 { | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2802 Uint32 Pixel; |
| 0 | 2803 unsigned sR; |
| 2804 unsigned sG; | |
| 2805 unsigned sB; | |
| 2806 unsigned dR; | |
| 2807 unsigned dG; | |
| 2808 unsigned dB; | |
| 2809 unsigned sA; | |
| 2810 unsigned dA; | |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2811 DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, sR, sG, sB, sA); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2812 if(sA) { |
|
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2813 DISEMBLE_RGBA(dst, dstbpp, dstfmt, Pixel, dR, dG, dB, dA); |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2814 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2815 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); |
|
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2816 } |
| 0 | 2817 src += srcbpp; |
| 2818 dst += dstbpp; | |
| 2819 }, | |
| 2820 width); | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2821 /* *INDENT-ON* */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2822 src += srcskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2823 dst += dstskip; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2824 } |
| 0 | 2825 } |
| 2826 | |
| 2827 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2828 SDL_loblit |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2829 SDL_CalculateAlphaBlit(SDL_Surface * surface, int blit_index) |
| 0 | 2830 { |
| 2831 SDL_PixelFormat *sf = surface->format; | |
| 2832 SDL_PixelFormat *df = surface->map->dst->format; | |
| 2833 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2834 if (sf->Amask == 0) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2835 if ((surface->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2836 if (df->BytesPerPixel == 1) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2837 return BlitNto1SurfaceAlphaKey; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2838 else |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2839 #if SDL_ALTIVEC_BLITTERS |
| 2232 | 2840 if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 && |
|
2231
a353684c7cc1
Fixed compiling the Altivec blit code
Sam Lantinga <slouken@libsdl.org>
parents:
2141
diff
changeset
|
2841 SDL_HasAltiVec()) |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2842 return Blit32to32SurfaceAlphaKeyAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2843 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2844 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2845 return BlitNtoNSurfaceAlphaKey; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2846 } else { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2847 /* Per-surface alpha blits */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2848 switch (df->BytesPerPixel) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2849 case 1: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2850 return BlitNto1SurfaceAlpha; |
| 0 | 2851 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2852 case 2: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2853 if (surface->map->identity) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2854 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
|
2855 #if MMX_ASMBLIT |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2856 if (SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2857 return Blit565to565SurfaceAlphaMMX; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2858 else |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2859 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2860 return Blit565to565SurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2861 } 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
|
2862 #if MMX_ASMBLIT |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2863 if (SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2864 return Blit555to555SurfaceAlphaMMX; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2865 else |
| 1542 | 2866 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2867 return Blit555to555SurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2868 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2869 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2870 return BlitNtoNSurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2871 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2872 case 4: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2873 if (sf->Rmask == df->Rmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2874 && sf->Gmask == df->Gmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2875 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2876 #if MMX_ASMBLIT |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2877 if (sf->Rshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2878 && sf->Gshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2879 && sf->Bshift % 8 == 0 && SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2880 return BlitRGBtoRGBSurfaceAlphaMMX; |
| 1542 | 2881 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2882 if ((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) { |
| 1542 | 2883 #if SDL_ALTIVEC_BLITTERS |
|
2231
a353684c7cc1
Fixed compiling the Altivec blit code
Sam Lantinga <slouken@libsdl.org>
parents:
2141
diff
changeset
|
2884 if (SDL_HasAltiVec()) |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2885 return BlitRGBtoRGBSurfaceAlphaAltivec; |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2886 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2887 return BlitRGBtoRGBSurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2888 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2889 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2890 #if SDL_ALTIVEC_BLITTERS |
|
2231
a353684c7cc1
Fixed compiling the Altivec blit code
Sam Lantinga <slouken@libsdl.org>
parents:
2141
diff
changeset
|
2891 if ((sf->BytesPerPixel == 4) && SDL_HasAltiVec()) |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2892 return Blit32to32SurfaceAlphaAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2893 else |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2894 #endif |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2895 return BlitNtoNSurfaceAlpha; |
| 0 | 2896 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2897 case 3: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2898 default: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2899 return BlitNtoNSurfaceAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2900 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2901 } |
| 0 | 2902 } else { |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2903 /* Per-pixel alpha blits */ |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2904 switch (df->BytesPerPixel) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2905 case 1: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2906 return BlitNto1PixelAlpha; |
| 0 | 2907 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2908 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
|
2909 #if SDL_ALTIVEC_BLITTERS |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2910 if (sf->BytesPerPixel == 4 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2911 && df->Gmask == 0x7e0 && df->Bmask == 0x1f |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2912 && SDL_HasAltiVec()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2913 return Blit32to565PixelAlphaAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2914 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2915 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2916 if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2917 && sf->Gmask == 0xff00 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2918 && ((sf->Rmask == 0xff && df->Rmask == 0x1f) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2919 || (sf->Bmask == 0xff && df->Bmask == 0x1f))) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2920 if (df->Gmask == 0x7e0) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2921 return BlitARGBto565PixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2922 else if (df->Gmask == 0x3e0) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2923 return BlitARGBto555PixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2924 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2925 return BlitNtoNPixelAlpha; |
| 0 | 2926 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2927 case 4: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2928 if (sf->Rmask == df->Rmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2929 && sf->Gmask == df->Gmask |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2930 && 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
|
2931 #if MMX_ASMBLIT |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2932 if (sf->Rshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2933 && sf->Gshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2934 && sf->Bshift % 8 == 0 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2935 && sf->Ashift % 8 == 0 && sf->Aloss == 0) { |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2936 if (SDL_Has3DNow()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2937 return BlitRGBtoRGBPixelAlphaMMX3DNOW; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2938 if (SDL_HasMMX()) |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2939 return BlitRGBtoRGBPixelAlphaMMX; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2940 } |
|
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2941 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2942 if (sf->Amask == 0xff000000) { |
|
1617
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2943 #if SDL_ALTIVEC_BLITTERS |
|
2231
a353684c7cc1
Fixed compiling the Altivec blit code
Sam Lantinga <slouken@libsdl.org>
parents:
2141
diff
changeset
|
2944 if (SDL_HasAltiVec()) |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2945 return BlitRGBtoRGBPixelAlphaAltivec; |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2946 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2947 return BlitRGBtoRGBPixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2948 } |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2949 } |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2950 #if SDL_ALTIVEC_BLITTERS |
|
2231
a353684c7cc1
Fixed compiling the Altivec blit code
Sam Lantinga <slouken@libsdl.org>
parents:
2141
diff
changeset
|
2951 if (sf->Amask && sf->BytesPerPixel == 4 && SDL_HasAltiVec()) |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2952 return Blit32to32PixelAlphaAltivec; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2953 else |
|
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2954 #endif |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2955 return BlitNtoNPixelAlpha; |
| 0 | 2956 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2957 case 3: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2958 default: |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2959 return BlitNtoNPixelAlpha; |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2960 } |
| 0 | 2961 } |
| 2962 } | |
| 2963 | |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2964 /* vi: set ts=4 sw=4 expandtab: */ |