git.sesse.net Git - ffmpeg/blob - libswscale/x86/swscale_template.c

   1 /*
   2  * Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at>
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #undef REAL_MOVNTQ
  22 #undef MOVNTQ
  23 #undef MOVNTQ2
  24 #undef PREFETCH
  25
  26 #if COMPILE_TEMPLATE_MMXEXT
  27 #define PREFETCH "prefetchnta"
  28 #else
  29 #define PREFETCH  " # nop"
  30 #endif
  31
  32 #if COMPILE_TEMPLATE_MMXEXT
  33 #define REAL_MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"
  34 #define MOVNTQ2 "movntq "
  35 #else
  36 #define REAL_MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
  37 #define MOVNTQ2 "movq "
  38 #endif
  39 #define MOVNTQ(a,b)  REAL_MOVNTQ(a,b)
  40
  41 #if !COMPILE_TEMPLATE_MMXEXT
  42 static av_always_inline void
  43 dither_8to16(const uint8_t *srcDither, int rot)
  44 {
  45     if (rot) {
  46         __asm__ volatile("pxor      %%mm0, %%mm0\n\t"
  47                          "movq       (%0), %%mm3\n\t"
  48                          "movq      %%mm3, %%mm4\n\t"
  49                          "psrlq       $24, %%mm3\n\t"
  50                          "psllq       $40, %%mm4\n\t"
  51                          "por       %%mm4, %%mm3\n\t"
  52                          "movq      %%mm3, %%mm4\n\t"
  53                          "punpcklbw %%mm0, %%mm3\n\t"
  54                          "punpckhbw %%mm0, %%mm4\n\t"
  55                          :: "r"(srcDither)
  56                          );
  57     } else {
  58         __asm__ volatile("pxor      %%mm0, %%mm0\n\t"
  59                          "movq       (%0), %%mm3\n\t"
  60                          "movq      %%mm3, %%mm4\n\t"
  61                          "punpcklbw %%mm0, %%mm3\n\t"
  62                          "punpckhbw %%mm0, %%mm4\n\t"
  63                          :: "r"(srcDither)
  64                          );
  65     }
  66 }
  67 #endif
  68
  69 static void RENAME(yuv2yuvX)(const int16_t *filter, int filterSize,
  70                            const int16_t **src, uint8_t *dest, int dstW,
  71                            const uint8_t *dither, int offset)
  72 {
  73     dither_8to16(dither, offset);
  74     __asm__ volatile(\
  75         "psraw        $4, %%mm3\n\t"
  76         "psraw        $4, %%mm4\n\t"
  77         "movq    %%mm3, %%mm6\n\t"
  78         "movq    %%mm4, %%mm7\n\t"
  79         "movl %3, %%ecx\n\t"
  80         "mov                                 %0, %%"REG_d"  \n\t"\
  81         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
  82         ".p2align                             4             \n\t" /* FIXME Unroll? */\
  83         "1:                                                 \n\t"\
  84         "movq                      8(%%"REG_d"), %%mm0      \n\t" /* filterCoeff */\
  85         "movq                (%%"REG_S", %%"REG_c", 2), %%mm2      \n\t" /* srcData */\
  86         "movq               8(%%"REG_S", %%"REG_c", 2), %%mm5      \n\t" /* srcData */\
  87         "add                                $16, %%"REG_d"  \n\t"\
  88         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
  89         "test                         %%"REG_S", %%"REG_S"  \n\t"\
  90         "pmulhw                           %%mm0, %%mm2      \n\t"\
  91         "pmulhw                           %%mm0, %%mm5      \n\t"\
  92         "paddw                            %%mm2, %%mm3      \n\t"\
  93         "paddw                            %%mm5, %%mm4      \n\t"\
  94         " jnz                                1b             \n\t"\
  95         "psraw                               $3, %%mm3      \n\t"\
  96         "psraw                               $3, %%mm4      \n\t"\
  97         "packuswb                         %%mm4, %%mm3      \n\t"
  98         MOVNTQ2 "                         %%mm3, (%1, %%"REG_c")\n\t"
  99         "add                          $8, %%"REG_c"         \n\t"\
 100         "cmp                          %2, %%"REG_c"         \n\t"\
 101         "movq    %%mm6, %%mm3\n\t"
 102         "movq    %%mm7, %%mm4\n\t"
 103         "mov                                 %0, %%"REG_d"  \n\t"\
 104         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
 105         "jb                                  1b             \n\t"\
 106         :: "g" (filter),
 107            "r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset)
 108         : "%"REG_d, "%"REG_S, "%"REG_c
 109     );
 110 }
 111
 112 #define YSCALEYUV2PACKEDX_UV \
 113     __asm__ volatile(\
 114         "xor                   %%"REG_a", %%"REG_a"     \n\t"\
 115         ".p2align                      4                \n\t"\
 116         "nop                                            \n\t"\
 117         "1:                                             \n\t"\
 118         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
 119         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 120         "movq      "VROUNDER_OFFSET"(%0), %%mm3         \n\t"\
 121         "movq                      %%mm3, %%mm4         \n\t"\
 122         ".p2align                      4                \n\t"\
 123         "2:                                             \n\t"\
 124         "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
 125         "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* UsrcData */\
 126         "add                          %6, %%"REG_S"     \n\t" \
 127         "movq     (%%"REG_S", %%"REG_a"), %%mm5         \n\t" /* VsrcData */\
 128         "add                         $16, %%"REG_d"     \n\t"\
 129         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 130         "pmulhw                    %%mm0, %%mm2         \n\t"\
 131         "pmulhw                    %%mm0, %%mm5         \n\t"\
 132         "paddw                     %%mm2, %%mm3         \n\t"\
 133         "paddw                     %%mm5, %%mm4         \n\t"\
 134         "test                  %%"REG_S", %%"REG_S"     \n\t"\
 135         " jnz                         2b                \n\t"\
 136
 137 #define YSCALEYUV2PACKEDX_YA(offset,coeff,src1,src2,dst1,dst2) \
 138     "lea                "offset"(%0), %%"REG_d"     \n\t"\
 139     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 140     "movq      "VROUNDER_OFFSET"(%0), "#dst1"       \n\t"\
 141     "movq                    "#dst1", "#dst2"       \n\t"\
 142     ".p2align                      4                \n\t"\
 143     "2:                                             \n\t"\
 144     "movq               8(%%"REG_d"), "#coeff"      \n\t" /* filterCoeff */\
 145     "movq  (%%"REG_S", %%"REG_a", 2), "#src1"       \n\t" /* Y1srcData */\
 146     "movq 8(%%"REG_S", %%"REG_a", 2), "#src2"       \n\t" /* Y2srcData */\
 147     "add                         $16, %%"REG_d"            \n\t"\
 148     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 149     "pmulhw                 "#coeff", "#src1"       \n\t"\
 150     "pmulhw                 "#coeff", "#src2"       \n\t"\
 151     "paddw                   "#src1", "#dst1"       \n\t"\
 152     "paddw                   "#src2", "#dst2"       \n\t"\
 153     "test                  %%"REG_S", %%"REG_S"     \n\t"\
 154     " jnz                         2b                \n\t"\
 155
 156 #define YSCALEYUV2PACKEDX \
 157     YSCALEYUV2PACKEDX_UV \
 158     YSCALEYUV2PACKEDX_YA(LUM_MMX_FILTER_OFFSET,%%mm0,%%mm2,%%mm5,%%mm1,%%mm7) \
 159
 160 #define YSCALEYUV2PACKEDX_END                     \
 161         :: "r" (&c->redDither),                   \
 162             "m" (dummy), "m" (dummy), "m" (dummy),\
 163             "r" (dest), "m" (dstW_reg), "m"(uv_off) \
 164         : "%"REG_a, "%"REG_d, "%"REG_S            \
 165     );
 166
 167 #define YSCALEYUV2PACKEDX_ACCURATE_UV \
 168     __asm__ volatile(\
 169         "xor %%"REG_a", %%"REG_a"                       \n\t"\
 170         ".p2align                      4                \n\t"\
 171         "nop                                            \n\t"\
 172         "1:                                             \n\t"\
 173         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
 174         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 175         "pxor                      %%mm4, %%mm4         \n\t"\
 176         "pxor                      %%mm5, %%mm5         \n\t"\
 177         "pxor                      %%mm6, %%mm6         \n\t"\
 178         "pxor                      %%mm7, %%mm7         \n\t"\
 179         ".p2align                      4                \n\t"\
 180         "2:                                             \n\t"\
 181         "movq     (%%"REG_S", %%"REG_a"), %%mm0         \n\t" /* UsrcData */\
 182         "add                          %6, %%"REG_S"      \n\t" \
 183         "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* VsrcData */\
 184         "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
 185         "movq     (%%"REG_S", %%"REG_a"), %%mm1         \n\t" /* UsrcData */\
 186         "movq                      %%mm0, %%mm3         \n\t"\
 187         "punpcklwd                 %%mm1, %%mm0         \n\t"\
 188         "punpckhwd                 %%mm1, %%mm3         \n\t"\
 189         "movq "STR(APCK_COEF)"(%%"REG_d"),%%mm1         \n\t" /* filterCoeff */\
 190         "pmaddwd                   %%mm1, %%mm0         \n\t"\
 191         "pmaddwd                   %%mm1, %%mm3         \n\t"\
 192         "paddd                     %%mm0, %%mm4         \n\t"\
 193         "paddd                     %%mm3, %%mm5         \n\t"\
 194         "add                          %6, %%"REG_S"      \n\t" \
 195         "movq     (%%"REG_S", %%"REG_a"), %%mm3         \n\t" /* VsrcData */\
 196         "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
 197         "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
 198         "test                  %%"REG_S", %%"REG_S"     \n\t"\
 199         "movq                      %%mm2, %%mm0         \n\t"\
 200         "punpcklwd                 %%mm3, %%mm2         \n\t"\
 201         "punpckhwd                 %%mm3, %%mm0         \n\t"\
 202         "pmaddwd                   %%mm1, %%mm2         \n\t"\
 203         "pmaddwd                   %%mm1, %%mm0         \n\t"\
 204         "paddd                     %%mm2, %%mm6         \n\t"\
 205         "paddd                     %%mm0, %%mm7         \n\t"\
 206         " jnz                         2b                \n\t"\
 207         "psrad                       $16, %%mm4         \n\t"\
 208         "psrad                       $16, %%mm5         \n\t"\
 209         "psrad                       $16, %%mm6         \n\t"\
 210         "psrad                       $16, %%mm7         \n\t"\
 211         "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
 212         "packssdw                  %%mm5, %%mm4         \n\t"\
 213         "packssdw                  %%mm7, %%mm6         \n\t"\
 214         "paddw                     %%mm0, %%mm4         \n\t"\
 215         "paddw                     %%mm0, %%mm6         \n\t"\
 216         "movq                      %%mm4, "U_TEMP"(%0)  \n\t"\
 217         "movq                      %%mm6, "V_TEMP"(%0)  \n\t"\
 218
 219 #define YSCALEYUV2PACKEDX_ACCURATE_YA(offset) \
 220     "lea                "offset"(%0), %%"REG_d"     \n\t"\
 221     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 222     "pxor                      %%mm1, %%mm1         \n\t"\
 223     "pxor                      %%mm5, %%mm5         \n\t"\
 224     "pxor                      %%mm7, %%mm7         \n\t"\
 225     "pxor                      %%mm6, %%mm6         \n\t"\
 226     ".p2align                      4                \n\t"\
 227     "2:                                             \n\t"\
 228     "movq  (%%"REG_S", %%"REG_a", 2), %%mm0         \n\t" /* Y1srcData */\
 229     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y2srcData */\
 230     "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
 231     "movq  (%%"REG_S", %%"REG_a", 2), %%mm4         \n\t" /* Y1srcData */\
 232     "movq                      %%mm0, %%mm3         \n\t"\
 233     "punpcklwd                 %%mm4, %%mm0         \n\t"\
 234     "punpckhwd                 %%mm4, %%mm3         \n\t"\
 235     "movq "STR(APCK_COEF)"(%%"REG_d"), %%mm4         \n\t" /* filterCoeff */\
 236     "pmaddwd                   %%mm4, %%mm0         \n\t"\
 237     "pmaddwd                   %%mm4, %%mm3         \n\t"\
 238     "paddd                     %%mm0, %%mm1         \n\t"\
 239     "paddd                     %%mm3, %%mm5         \n\t"\
 240     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm3         \n\t" /* Y2srcData */\
 241     "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
 242     "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
 243     "test                  %%"REG_S", %%"REG_S"     \n\t"\
 244     "movq                      %%mm2, %%mm0         \n\t"\
 245     "punpcklwd                 %%mm3, %%mm2         \n\t"\
 246     "punpckhwd                 %%mm3, %%mm0         \n\t"\
 247     "pmaddwd                   %%mm4, %%mm2         \n\t"\
 248     "pmaddwd                   %%mm4, %%mm0         \n\t"\
 249     "paddd                     %%mm2, %%mm7         \n\t"\
 250     "paddd                     %%mm0, %%mm6         \n\t"\
 251     " jnz                         2b                \n\t"\
 252     "psrad                       $16, %%mm1         \n\t"\
 253     "psrad                       $16, %%mm5         \n\t"\
 254     "psrad                       $16, %%mm7         \n\t"\
 255     "psrad                       $16, %%mm6         \n\t"\
 256     "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
 257     "packssdw                  %%mm5, %%mm1         \n\t"\
 258     "packssdw                  %%mm6, %%mm7         \n\t"\
 259     "paddw                     %%mm0, %%mm1         \n\t"\
 260     "paddw                     %%mm0, %%mm7         \n\t"\
 261     "movq               "U_TEMP"(%0), %%mm3         \n\t"\
 262     "movq               "V_TEMP"(%0), %%mm4         \n\t"\
 263
 264 #define YSCALEYUV2PACKEDX_ACCURATE \
 265     YSCALEYUV2PACKEDX_ACCURATE_UV \
 266     YSCALEYUV2PACKEDX_ACCURATE_YA(LUM_MMX_FILTER_OFFSET)
 267
 268 #define YSCALEYUV2RGBX \
 269     "psubw  "U_OFFSET"(%0), %%mm3       \n\t" /* (U-128)8*/\
 270     "psubw  "V_OFFSET"(%0), %%mm4       \n\t" /* (V-128)8*/\
 271     "movq            %%mm3, %%mm2       \n\t" /* (U-128)8*/\
 272     "movq            %%mm4, %%mm5       \n\t" /* (V-128)8*/\
 273     "pmulhw "UG_COEFF"(%0), %%mm3       \n\t"\
 274     "pmulhw "VG_COEFF"(%0), %%mm4       \n\t"\
 275     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 276     "pmulhw "UB_COEFF"(%0), %%mm2       \n\t"\
 277     "pmulhw "VR_COEFF"(%0), %%mm5       \n\t"\
 278     "psubw  "Y_OFFSET"(%0), %%mm1       \n\t" /* 8(Y-16)*/\
 279     "psubw  "Y_OFFSET"(%0), %%mm7       \n\t" /* 8(Y-16)*/\
 280     "pmulhw  "Y_COEFF"(%0), %%mm1       \n\t"\
 281     "pmulhw  "Y_COEFF"(%0), %%mm7       \n\t"\
 282     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 283     "paddw           %%mm3, %%mm4       \n\t"\
 284     "movq            %%mm2, %%mm0       \n\t"\
 285     "movq            %%mm5, %%mm6       \n\t"\
 286     "movq            %%mm4, %%mm3       \n\t"\
 287     "punpcklwd       %%mm2, %%mm2       \n\t"\
 288     "punpcklwd       %%mm5, %%mm5       \n\t"\
 289     "punpcklwd       %%mm4, %%mm4       \n\t"\
 290     "paddw           %%mm1, %%mm2       \n\t"\
 291     "paddw           %%mm1, %%mm5       \n\t"\
 292     "paddw           %%mm1, %%mm4       \n\t"\
 293     "punpckhwd       %%mm0, %%mm0       \n\t"\
 294     "punpckhwd       %%mm6, %%mm6       \n\t"\
 295     "punpckhwd       %%mm3, %%mm3       \n\t"\
 296     "paddw           %%mm7, %%mm0       \n\t"\
 297     "paddw           %%mm7, %%mm6       \n\t"\
 298     "paddw           %%mm7, %%mm3       \n\t"\
 299     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 300     "packuswb        %%mm0, %%mm2       \n\t"\
 301     "packuswb        %%mm6, %%mm5       \n\t"\
 302     "packuswb        %%mm3, %%mm4       \n\t"\
 303
 304 #define REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t) \
 305     "movq       "#b", "#q2"     \n\t" /* B */\
 306     "movq       "#r", "#t"      \n\t" /* R */\
 307     "punpcklbw  "#g", "#b"      \n\t" /* GBGBGBGB 0 */\
 308     "punpcklbw  "#a", "#r"      \n\t" /* ARARARAR 0 */\
 309     "punpckhbw  "#g", "#q2"     \n\t" /* GBGBGBGB 2 */\
 310     "punpckhbw  "#a", "#t"      \n\t" /* ARARARAR 2 */\
 311     "movq       "#b", "#q0"     \n\t" /* GBGBGBGB 0 */\
 312     "movq      "#q2", "#q3"     \n\t" /* GBGBGBGB 2 */\
 313     "punpcklwd  "#r", "#q0"     \n\t" /* ARGBARGB 0 */\
 314     "punpckhwd  "#r", "#b"      \n\t" /* ARGBARGB 1 */\
 315     "punpcklwd  "#t", "#q2"     \n\t" /* ARGBARGB 2 */\
 316     "punpckhwd  "#t", "#q3"     \n\t" /* ARGBARGB 3 */\
 317 \
 318     MOVNTQ(   q0,   (dst, index, 4))\
 319     MOVNTQ(    b,  8(dst, index, 4))\
 320     MOVNTQ(   q2, 16(dst, index, 4))\
 321     MOVNTQ(   q3, 24(dst, index, 4))\
 322 \
 323     "add      $8, "#index"      \n\t"\
 324     "cmp "#dstw", "#index"      \n\t"\
 325     " jb      1b                \n\t"
 326 #define WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)  REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)
 327
 328 static void RENAME(yuv2rgb32_X_ar)(SwsContext *c, const int16_t *lumFilter,
 329                                    const int16_t **lumSrc, int lumFilterSize,
 330                                    const int16_t *chrFilter, const int16_t **chrUSrc,
 331                                    const int16_t **chrVSrc,
 332                                    int chrFilterSize, const int16_t **alpSrc,
 333                                    uint8_t *dest, int dstW, int dstY)
 334 {
 335     x86_reg dummy=0;
 336     x86_reg dstW_reg = dstW;
 337     x86_reg uv_off = c->uv_offx2;
 338
 339     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
 340         YSCALEYUV2PACKEDX_ACCURATE
 341         YSCALEYUV2RGBX
 342         "movq                      %%mm2, "U_TEMP"(%0)  \n\t"
 343         "movq                      %%mm4, "V_TEMP"(%0)  \n\t"
 344         "movq                      %%mm5, "Y_TEMP"(%0)  \n\t"
 345         YSCALEYUV2PACKEDX_ACCURATE_YA(ALP_MMX_FILTER_OFFSET)
 346         "movq               "Y_TEMP"(%0), %%mm5         \n\t"
 347         "psraw                        $3, %%mm1         \n\t"
 348         "psraw                        $3, %%mm7         \n\t"
 349         "packuswb                  %%mm7, %%mm1         \n\t"
 350         WRITEBGR32(%4, %5, %%REGa, %%mm3, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm2, %%mm6)
 351         YSCALEYUV2PACKEDX_END
 352     } else {
 353         YSCALEYUV2PACKEDX_ACCURATE
 354         YSCALEYUV2RGBX
 355         "pcmpeqd %%mm7, %%mm7 \n\t"
 356         WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
 357         YSCALEYUV2PACKEDX_END
 358     }
 359 }
 360
 361 static void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter,
 362                                 const int16_t **lumSrc, int lumFilterSize,
 363                                 const int16_t *chrFilter, const int16_t **chrUSrc,
 364                                 const int16_t **chrVSrc,
 365                                 int chrFilterSize, const int16_t **alpSrc,
 366                                 uint8_t *dest, int dstW, int dstY)
 367 {
 368     x86_reg dummy=0;
 369     x86_reg dstW_reg = dstW;
 370     x86_reg uv_off = c->uv_offx2;
 371
 372     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
 373         YSCALEYUV2PACKEDX
 374         YSCALEYUV2RGBX
 375         YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
 376         "psraw                        $3, %%mm1         \n\t"
 377         "psraw                        $3, %%mm7         \n\t"
 378         "packuswb                  %%mm7, %%mm1         \n\t"
 379         WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
 380         YSCALEYUV2PACKEDX_END
 381     } else {
 382         YSCALEYUV2PACKEDX
 383         YSCALEYUV2RGBX
 384         "pcmpeqd %%mm7, %%mm7 \n\t"
 385         WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
 386         YSCALEYUV2PACKEDX_END
 387     }
 388 }
 389
 390 #define REAL_WRITERGB16(dst, dstw, index) \
 391     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
 392     "pand "MANGLE(bFC)", %%mm4  \n\t" /* G */\
 393     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
 394     "psrlq           $3, %%mm2  \n\t"\
 395 \
 396     "movq         %%mm2, %%mm1  \n\t"\
 397     "movq         %%mm4, %%mm3  \n\t"\
 398 \
 399     "punpcklbw    %%mm7, %%mm3  \n\t"\
 400     "punpcklbw    %%mm5, %%mm2  \n\t"\
 401     "punpckhbw    %%mm7, %%mm4  \n\t"\
 402     "punpckhbw    %%mm5, %%mm1  \n\t"\
 403 \
 404     "psllq           $3, %%mm3  \n\t"\
 405     "psllq           $3, %%mm4  \n\t"\
 406 \
 407     "por          %%mm3, %%mm2  \n\t"\
 408     "por          %%mm4, %%mm1  \n\t"\
 409 \
 410     MOVNTQ(%%mm2,  (dst, index, 2))\
 411     MOVNTQ(%%mm1, 8(dst, index, 2))\
 412 \
 413     "add             $8, "#index"   \n\t"\
 414     "cmp        "#dstw", "#index"   \n\t"\
 415     " jb             1b             \n\t"
 416 #define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)
 417
 418 static void RENAME(yuv2rgb565_X_ar)(SwsContext *c, const int16_t *lumFilter,
 419                                     const int16_t **lumSrc, int lumFilterSize,
 420                                     const int16_t *chrFilter, const int16_t **chrUSrc,
 421                                     const int16_t **chrVSrc,
 422                                     int chrFilterSize, const int16_t **alpSrc,
 423                                     uint8_t *dest, int dstW, int dstY)
 424 {
 425     x86_reg dummy=0;
 426     x86_reg dstW_reg = dstW;
 427     x86_reg uv_off = c->uv_offx2;
 428
 429     YSCALEYUV2PACKEDX_ACCURATE
 430     YSCALEYUV2RGBX
 431     "pxor %%mm7, %%mm7 \n\t"
 432     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 433 #ifdef DITHER1XBPP
 434     "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
 435     "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
 436     "paddusb "RED_DITHER"(%0), %%mm5\n\t"
 437 #endif
 438     WRITERGB16(%4, %5, %%REGa)
 439     YSCALEYUV2PACKEDX_END
 440 }
 441
 442 static void RENAME(yuv2rgb565_X)(SwsContext *c, const int16_t *lumFilter,
 443                                  const int16_t **lumSrc, int lumFilterSize,
 444                                  const int16_t *chrFilter, const int16_t **chrUSrc,
 445                                  const int16_t **chrVSrc,
 446                                  int chrFilterSize, const int16_t **alpSrc,
 447                                  uint8_t *dest, int dstW, int dstY)
 448 {
 449     x86_reg dummy=0;
 450     x86_reg dstW_reg = dstW;
 451     x86_reg uv_off = c->uv_offx2;
 452
 453     YSCALEYUV2PACKEDX
 454     YSCALEYUV2RGBX
 455     "pxor %%mm7, %%mm7 \n\t"
 456     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 457 #ifdef DITHER1XBPP
 458     "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
 459     "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
 460     "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
 461 #endif
 462     WRITERGB16(%4, %5, %%REGa)
 463     YSCALEYUV2PACKEDX_END
 464 }
 465
 466 #define REAL_WRITERGB15(dst, dstw, index) \
 467     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
 468     "pand "MANGLE(bF8)", %%mm4  \n\t" /* G */\
 469     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
 470     "psrlq           $3, %%mm2  \n\t"\
 471     "psrlq           $1, %%mm5  \n\t"\
 472 \
 473     "movq         %%mm2, %%mm1  \n\t"\
 474     "movq         %%mm4, %%mm3  \n\t"\
 475 \
 476     "punpcklbw    %%mm7, %%mm3  \n\t"\
 477     "punpcklbw    %%mm5, %%mm2  \n\t"\
 478     "punpckhbw    %%mm7, %%mm4  \n\t"\
 479     "punpckhbw    %%mm5, %%mm1  \n\t"\
 480 \
 481     "psllq           $2, %%mm3  \n\t"\
 482     "psllq           $2, %%mm4  \n\t"\
 483 \
 484     "por          %%mm3, %%mm2  \n\t"\
 485     "por          %%mm4, %%mm1  \n\t"\
 486 \
 487     MOVNTQ(%%mm2,  (dst, index, 2))\
 488     MOVNTQ(%%mm1, 8(dst, index, 2))\
 489 \
 490     "add             $8, "#index"   \n\t"\
 491     "cmp        "#dstw", "#index"   \n\t"\
 492     " jb             1b             \n\t"
 493 #define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)
 494
 495 static void RENAME(yuv2rgb555_X_ar)(SwsContext *c, const int16_t *lumFilter,
 496                                     const int16_t **lumSrc, int lumFilterSize,
 497                                     const int16_t *chrFilter, const int16_t **chrUSrc,
 498                                     const int16_t **chrVSrc,
 499                                     int chrFilterSize, const int16_t **alpSrc,
 500                                     uint8_t *dest, int dstW, int dstY)
 501 {
 502     x86_reg dummy=0;
 503     x86_reg dstW_reg = dstW;
 504     x86_reg uv_off = c->uv_offx2;
 505
 506     YSCALEYUV2PACKEDX_ACCURATE
 507     YSCALEYUV2RGBX
 508     "pxor %%mm7, %%mm7 \n\t"
 509     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 510 #ifdef DITHER1XBPP
 511     "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
 512     "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
 513     "paddusb "RED_DITHER"(%0), %%mm5\n\t"
 514 #endif
 515     WRITERGB15(%4, %5, %%REGa)
 516     YSCALEYUV2PACKEDX_END
 517 }
 518
 519 static void RENAME(yuv2rgb555_X)(SwsContext *c, const int16_t *lumFilter,
 520                                  const int16_t **lumSrc, int lumFilterSize,
 521                                  const int16_t *chrFilter, const int16_t **chrUSrc,
 522                                  const int16_t **chrVSrc,
 523                                  int chrFilterSize, const int16_t **alpSrc,
 524                                  uint8_t *dest, int dstW, int dstY)
 525 {
 526     x86_reg dummy=0;
 527     x86_reg dstW_reg = dstW;
 528     x86_reg uv_off = c->uv_offx2;
 529
 530     YSCALEYUV2PACKEDX
 531     YSCALEYUV2RGBX
 532     "pxor %%mm7, %%mm7 \n\t"
 533     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 534 #ifdef DITHER1XBPP
 535     "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
 536     "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
 537     "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
 538 #endif
 539     WRITERGB15(%4, %5, %%REGa)
 540     YSCALEYUV2PACKEDX_END
 541 }
 542
 543 #define WRITEBGR24MMX(dst, dstw, index) \
 544     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
 545     "movq      %%mm2, %%mm1     \n\t" /* B */\
 546     "movq      %%mm5, %%mm6     \n\t" /* R */\
 547     "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
 548     "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
 549     "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
 550     "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
 551     "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
 552     "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
 553     "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
 554     "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
 555     "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
 556     "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
 557 \
 558     "movq      %%mm0, %%mm4     \n\t" /* 0RGB0RGB 0 */\
 559     "movq      %%mm2, %%mm6     \n\t" /* 0RGB0RGB 1 */\
 560     "movq      %%mm1, %%mm5     \n\t" /* 0RGB0RGB 2 */\
 561     "movq      %%mm3, %%mm7     \n\t" /* 0RGB0RGB 3 */\
 562 \
 563     "psllq       $40, %%mm0     \n\t" /* RGB00000 0 */\
 564     "psllq       $40, %%mm2     \n\t" /* RGB00000 1 */\
 565     "psllq       $40, %%mm1     \n\t" /* RGB00000 2 */\
 566     "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\
 567 \
 568     "punpckhdq %%mm4, %%mm0     \n\t" /* 0RGBRGB0 0 */\
 569     "punpckhdq %%mm6, %%mm2     \n\t" /* 0RGBRGB0 1 */\
 570     "punpckhdq %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */\
 571     "punpckhdq %%mm7, %%mm3     \n\t" /* 0RGBRGB0 3 */\
 572 \
 573     "psrlq        $8, %%mm0     \n\t" /* 00RGBRGB 0 */\
 574     "movq      %%mm2, %%mm6     \n\t" /* 0RGBRGB0 1 */\
 575     "psllq       $40, %%mm2     \n\t" /* GB000000 1 */\
 576     "por       %%mm2, %%mm0     \n\t" /* GBRGBRGB 0 */\
 577     MOVNTQ(%%mm0, (dst))\
 578 \
 579     "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */\
 580     "movq      %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */\
 581     "psllq       $24, %%mm1     \n\t" /* BRGB0000 2 */\
 582     "por       %%mm1, %%mm6     \n\t" /* BRGBRGBR 1 */\
 583     MOVNTQ(%%mm6, 8(dst))\
 584 \
 585     "psrlq       $40, %%mm5     \n\t" /* 000000RG 2 */\
 586     "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */\
 587     "por       %%mm3, %%mm5     \n\t" /* RGBRGBRG 2 */\
 588     MOVNTQ(%%mm5, 16(dst))\
 589 \
 590     "add         $24, "#dst"    \n\t"\
 591 \
 592     "add          $8, "#index"  \n\t"\
 593     "cmp     "#dstw", "#index"  \n\t"\
 594     " jb          1b            \n\t"
 595
 596 #define WRITEBGR24MMXEXT(dst, dstw, index) \
 597     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
 598     "movq "MANGLE(ff_M24A)", %%mm0 \n\t"\
 599     "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\
 600     "pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\
 601     "pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\
 602     "pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\
 603 \
 604     "pand   %%mm0, %%mm1        \n\t" /*    B2        B1       B0 */\
 605     "pand   %%mm0, %%mm3        \n\t" /*    G2        G1       G0 */\
 606     "pand   %%mm7, %%mm6        \n\t" /*       R1        R0       */\
 607 \
 608     "psllq     $8, %%mm3        \n\t" /* G2        G1       G0    */\
 609     "por    %%mm1, %%mm6        \n\t"\
 610     "por    %%mm3, %%mm6        \n\t"\
 611     MOVNTQ(%%mm6, (dst))\
 612 \
 613     "psrlq     $8, %%mm4        \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\
 614     "pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\
 615     "pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\
 616     "pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\
 617 \
 618     "pand "MANGLE(ff_M24B)", %%mm1 \n\t" /* B5       B4        B3    */\
 619     "pand   %%mm7, %%mm3        \n\t" /*       G4        G3       */\
 620     "pand   %%mm0, %%mm6        \n\t" /*    R4        R3       R2 */\
 621 \
 622     "por    %%mm1, %%mm3        \n\t" /* B5    G4 B4     G3 B3    */\
 623     "por    %%mm3, %%mm6        \n\t"\
 624     MOVNTQ(%%mm6, 8(dst))\
 625 \
 626     "pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\
 627     "pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\
 628     "pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\
 629 \
 630     "pand   %%mm7, %%mm1        \n\t" /*       B7        B6       */\
 631     "pand   %%mm0, %%mm3        \n\t" /*    G7        G6       G5 */\
 632     "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7       R6        R5    */\
 633 \
 634     "por    %%mm1, %%mm3        \n\t"\
 635     "por    %%mm3, %%mm6        \n\t"\
 636     MOVNTQ(%%mm6, 16(dst))\
 637 \
 638     "add      $24, "#dst"       \n\t"\
 639 \
 640     "add       $8, "#index"     \n\t"\
 641     "cmp  "#dstw", "#index"     \n\t"\
 642     " jb       1b               \n\t"
 643
 644 #if COMPILE_TEMPLATE_MMXEXT
 645 #undef WRITEBGR24
 646 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMXEXT(dst, dstw, index)
 647 #else
 648 #undef WRITEBGR24
 649 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX(dst, dstw, index)
 650 #endif
 651
 652 static void RENAME(yuv2bgr24_X_ar)(SwsContext *c, const int16_t *lumFilter,
 653                                    const int16_t **lumSrc, int lumFilterSize,
 654                                    const int16_t *chrFilter, const int16_t **chrUSrc,
 655                                    const int16_t **chrVSrc,
 656                                    int chrFilterSize, const int16_t **alpSrc,
 657                                    uint8_t *dest, int dstW, int dstY)
 658 {
 659     x86_reg dummy=0;
 660     x86_reg dstW_reg = dstW;
 661     x86_reg uv_off = c->uv_offx2;
 662
 663     YSCALEYUV2PACKEDX_ACCURATE
 664     YSCALEYUV2RGBX
 665     "pxor %%mm7, %%mm7 \n\t"
 666     "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
 667     "add %4, %%"REG_c"                        \n\t"
 668     WRITEBGR24(%%REGc, %5, %%REGa)
 669     :: "r" (&c->redDither),
 670        "m" (dummy), "m" (dummy), "m" (dummy),
 671        "r" (dest), "m" (dstW_reg), "m"(uv_off)
 672     : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
 673     );
 674 }
 675
 676 static void RENAME(yuv2bgr24_X)(SwsContext *c, const int16_t *lumFilter,
 677                                 const int16_t **lumSrc, int lumFilterSize,
 678                                 const int16_t *chrFilter, const int16_t **chrUSrc,
 679                                 const int16_t **chrVSrc,
 680                                 int chrFilterSize, const int16_t **alpSrc,
 681                                 uint8_t *dest, int dstW, int dstY)
 682 {
 683     x86_reg dummy=0;
 684     x86_reg dstW_reg = dstW;
 685     x86_reg uv_off = c->uv_offx2;
 686
 687     YSCALEYUV2PACKEDX
 688     YSCALEYUV2RGBX
 689     "pxor                    %%mm7, %%mm7       \n\t"
 690     "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize
 691     "add                        %4, %%"REG_c"   \n\t"
 692     WRITEBGR24(%%REGc, %5, %%REGa)
 693     :: "r" (&c->redDither),
 694        "m" (dummy), "m" (dummy), "m" (dummy),
 695        "r" (dest),  "m" (dstW_reg), "m"(uv_off)
 696     : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
 697     );
 698 }
 699
 700 #define REAL_WRITEYUY2(dst, dstw, index) \
 701     "packuswb  %%mm3, %%mm3     \n\t"\
 702     "packuswb  %%mm4, %%mm4     \n\t"\
 703     "packuswb  %%mm7, %%mm1     \n\t"\
 704     "punpcklbw %%mm4, %%mm3     \n\t"\
 705     "movq      %%mm1, %%mm7     \n\t"\
 706     "punpcklbw %%mm3, %%mm1     \n\t"\
 707     "punpckhbw %%mm3, %%mm7     \n\t"\
 708 \
 709     MOVNTQ(%%mm1, (dst, index, 2))\
 710     MOVNTQ(%%mm7, 8(dst, index, 2))\
 711 \
 712     "add          $8, "#index"  \n\t"\
 713     "cmp     "#dstw", "#index"  \n\t"\
 714     " jb          1b            \n\t"
 715 #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
 716
 717 static void RENAME(yuv2yuyv422_X_ar)(SwsContext *c, const int16_t *lumFilter,
 718                                      const int16_t **lumSrc, int lumFilterSize,
 719                                      const int16_t *chrFilter, const int16_t **chrUSrc,
 720                                      const int16_t **chrVSrc,
 721                                      int chrFilterSize, const int16_t **alpSrc,
 722                                      uint8_t *dest, int dstW, int dstY)
 723 {
 724     x86_reg dummy=0;
 725     x86_reg dstW_reg = dstW;
 726     x86_reg uv_off = c->uv_offx2;
 727
 728     YSCALEYUV2PACKEDX_ACCURATE
 729     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 730     "psraw $3, %%mm3    \n\t"
 731     "psraw $3, %%mm4    \n\t"
 732     "psraw $3, %%mm1    \n\t"
 733     "psraw $3, %%mm7    \n\t"
 734     WRITEYUY2(%4, %5, %%REGa)
 735     YSCALEYUV2PACKEDX_END
 736 }
 737
 738 static void RENAME(yuv2yuyv422_X)(SwsContext *c, const int16_t *lumFilter,
 739                                   const int16_t **lumSrc, int lumFilterSize,
 740                                   const int16_t *chrFilter, const int16_t **chrUSrc,
 741                                   const int16_t **chrVSrc,
 742                                   int chrFilterSize, const int16_t **alpSrc,
 743                                   uint8_t *dest, int dstW, int dstY)
 744 {
 745     x86_reg dummy=0;
 746     x86_reg dstW_reg = dstW;
 747     x86_reg uv_off = c->uv_offx2;
 748
 749     YSCALEYUV2PACKEDX
 750     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 751     "psraw $3, %%mm3    \n\t"
 752     "psraw $3, %%mm4    \n\t"
 753     "psraw $3, %%mm1    \n\t"
 754     "psraw $3, %%mm7    \n\t"
 755     WRITEYUY2(%4, %5, %%REGa)
 756     YSCALEYUV2PACKEDX_END
 757 }
 758
 759 #define REAL_YSCALEYUV2RGB_UV(index, c) \
 760     "xor            "#index", "#index"  \n\t"\
 761     ".p2align              4            \n\t"\
 762     "1:                                 \n\t"\
 763     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 764     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 765     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
 766     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 767     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 768     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
 769     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
 770     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
 771     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
 772     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
 773     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
 774     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
 775     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
 776     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
 777     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
 778     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
 779     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
 780     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
 781     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
 782     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
 783     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
 784     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 785
 786 #define REAL_YSCALEYUV2RGB_YA(index, c, b1, b2) \
 787     "movq  ("#b1", "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
 788     "movq  ("#b2", "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
 789     "movq 8("#b1", "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
 790     "movq 8("#b2", "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
 791     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
 792     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
 793     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 794     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 795     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 796     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 797     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 798     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 799
 800 #define REAL_YSCALEYUV2RGB_COEFF(c) \
 801     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
 802     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
 803     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
 804     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
 805     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
 806     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
 807     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 808     "paddw             %%mm3, %%mm4     \n\t"\
 809     "movq              %%mm2, %%mm0     \n\t"\
 810     "movq              %%mm5, %%mm6     \n\t"\
 811     "movq              %%mm4, %%mm3     \n\t"\
 812     "punpcklwd         %%mm2, %%mm2     \n\t"\
 813     "punpcklwd         %%mm5, %%mm5     \n\t"\
 814     "punpcklwd         %%mm4, %%mm4     \n\t"\
 815     "paddw             %%mm1, %%mm2     \n\t"\
 816     "paddw             %%mm1, %%mm5     \n\t"\
 817     "paddw             %%mm1, %%mm4     \n\t"\
 818     "punpckhwd         %%mm0, %%mm0     \n\t"\
 819     "punpckhwd         %%mm6, %%mm6     \n\t"\
 820     "punpckhwd         %%mm3, %%mm3     \n\t"\
 821     "paddw             %%mm7, %%mm0     \n\t"\
 822     "paddw             %%mm7, %%mm6     \n\t"\
 823     "paddw             %%mm7, %%mm3     \n\t"\
 824     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 825     "packuswb          %%mm0, %%mm2     \n\t"\
 826     "packuswb          %%mm6, %%mm5     \n\t"\
 827     "packuswb          %%mm3, %%mm4     \n\t"\
 828
 829 #define YSCALEYUV2RGB_YA(index, c, b1, b2) REAL_YSCALEYUV2RGB_YA(index, c, b1, b2)
 830
 831 #define YSCALEYUV2RGB(index, c) \
 832     REAL_YSCALEYUV2RGB_UV(index, c) \
 833     REAL_YSCALEYUV2RGB_YA(index, c, %0, %1) \
 834     REAL_YSCALEYUV2RGB_COEFF(c)
 835
 836 /**
 837  * vertical bilinear scale YV12 to RGB
 838  */
 839 static void RENAME(yuv2rgb32_2)(SwsContext *c, const int16_t *buf[2],
 840                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
 841                                 const int16_t *abuf[2], uint8_t *dest,
 842                                 int dstW, int yalpha, int uvalpha, int y)
 843 {
 844     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
 845                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
 846
 847     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
 848         const int16_t *abuf0 = abuf[0], *abuf1 = abuf[1];
 849 #if ARCH_X86_64
 850         __asm__ volatile(
 851             YSCALEYUV2RGB(%%r8, %5)
 852             YSCALEYUV2RGB_YA(%%r8, %5, %6, %7)
 853             "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
 854             "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
 855             "packuswb            %%mm7, %%mm1       \n\t"
 856             WRITEBGR32(%4, 8280(%5), %%r8, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
 857             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "r" (dest),
 858                "a" (&c->redDither),
 859                "r" (abuf0), "r" (abuf1)
 860             : "%r8"
 861         );
 862 #else
 863         c->u_temp=(intptr_t)abuf0;
 864         c->v_temp=(intptr_t)abuf1;
 865         __asm__ volatile(
 866             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
 867             "mov        %4, %%"REG_b"               \n\t"
 868             "push %%"REG_BP"                        \n\t"
 869             YSCALEYUV2RGB(%%REGBP, %5)
 870             "push                   %0              \n\t"
 871             "push                   %1              \n\t"
 872             "mov          "U_TEMP"(%5), %0          \n\t"
 873             "mov          "V_TEMP"(%5), %1          \n\t"
 874             YSCALEYUV2RGB_YA(%%REGBP, %5, %0, %1)
 875             "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
 876             "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
 877             "packuswb            %%mm7, %%mm1       \n\t"
 878             "pop                    %1              \n\t"
 879             "pop                    %0              \n\t"
 880             WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
 881             "pop %%"REG_BP"                         \n\t"
 882             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
 883             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
 884                "a" (&c->redDither)
 885         );
 886 #endif
 887     } else {
 888         __asm__ volatile(
 889             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
 890             "mov        %4, %%"REG_b"               \n\t"
 891             "push %%"REG_BP"                        \n\t"
 892             YSCALEYUV2RGB(%%REGBP, %5)
 893             "pcmpeqd %%mm7, %%mm7                   \n\t"
 894             WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
 895             "pop %%"REG_BP"                         \n\t"
 896             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
 897             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
 898                "a" (&c->redDither)
 899         );
 900     }
 901 }
 902
 903 static void RENAME(yuv2bgr24_2)(SwsContext *c, const int16_t *buf[2],
 904                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
 905                                 const int16_t *abuf[2], uint8_t *dest,
 906                                 int dstW, int yalpha, int uvalpha, int y)
 907 {
 908     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
 909                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
 910
 911     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
 912     __asm__ volatile(
 913         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
 914         "mov        %4, %%"REG_b"               \n\t"
 915         "push %%"REG_BP"                        \n\t"
 916         YSCALEYUV2RGB(%%REGBP, %5)
 917         "pxor    %%mm7, %%mm7                   \n\t"
 918         WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
 919         "pop %%"REG_BP"                         \n\t"
 920         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
 921         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
 922            "a" (&c->redDither)
 923     );
 924 }
 925
 926 static void RENAME(yuv2rgb555_2)(SwsContext *c, const int16_t *buf[2],
 927                                  const int16_t *ubuf[2], const int16_t *vbuf[2],
 928                                  const int16_t *abuf[2], uint8_t *dest,
 929                                  int dstW, int yalpha, int uvalpha, int y)
 930 {
 931     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
 932                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
 933
 934     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
 935     __asm__ volatile(
 936         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
 937         "mov        %4, %%"REG_b"               \n\t"
 938         "push %%"REG_BP"                        \n\t"
 939         YSCALEYUV2RGB(%%REGBP, %5)
 940         "pxor    %%mm7, %%mm7                   \n\t"
 941         /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 942 #ifdef DITHER1XBPP
 943         "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
 944         "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
 945         "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
 946 #endif
 947         WRITERGB15(%%REGb, 8280(%5), %%REGBP)
 948         "pop %%"REG_BP"                         \n\t"
 949         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
 950         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
 951            "a" (&c->redDither)
 952     );
 953 }
 954
 955 static void RENAME(yuv2rgb565_2)(SwsContext *c, const int16_t *buf[2],
 956                                  const int16_t *ubuf[2], const int16_t *vbuf[2],
 957                                  const int16_t *abuf[2], uint8_t *dest,
 958                                  int dstW, int yalpha, int uvalpha, int y)
 959 {
 960     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
 961                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
 962
 963     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
 964     __asm__ volatile(
 965         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
 966         "mov        %4, %%"REG_b"               \n\t"
 967         "push %%"REG_BP"                        \n\t"
 968         YSCALEYUV2RGB(%%REGBP, %5)
 969         "pxor    %%mm7, %%mm7                   \n\t"
 970         /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 971 #ifdef DITHER1XBPP
 972         "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
 973         "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
 974         "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
 975 #endif
 976         WRITERGB16(%%REGb, 8280(%5), %%REGBP)
 977         "pop %%"REG_BP"                         \n\t"
 978         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
 979         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
 980            "a" (&c->redDither)
 981     );
 982 }
 983
 984 #define REAL_YSCALEYUV2PACKED(index, c) \
 985     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0              \n\t"\
 986     "movq "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm1              \n\t"\
 987     "psraw                $3, %%mm0                           \n\t"\
 988     "psraw                $3, %%mm1                           \n\t"\
 989     "movq              %%mm0, "CHR_MMX_FILTER_OFFSET"+8("#c") \n\t"\
 990     "movq              %%mm1, "LUM_MMX_FILTER_OFFSET"+8("#c") \n\t"\
 991     "xor            "#index", "#index"                        \n\t"\
 992     ".p2align              4            \n\t"\
 993     "1:                                 \n\t"\
 994     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 995     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 996     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
 997     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 998     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 999     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1000     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
1001     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
1002     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
1003     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
1004     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
1005     "psraw                $7, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
1006     "psraw                $7, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
1007     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
1008     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
1009     "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
1010     "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
1011     "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
1012     "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
1013     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
1014     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
1015     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
1016     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
1017     "psraw                $7, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1018     "psraw                $7, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1019     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
1020     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
1021
1022 #define YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)
1023
1024 static void RENAME(yuv2yuyv422_2)(SwsContext *c, const int16_t *buf[2],
1025                                   const int16_t *ubuf[2], const int16_t *vbuf[2],
1026                                   const int16_t *abuf[2], uint8_t *dest,
1027                                   int dstW, int yalpha, int uvalpha, int y)
1028 {
1029     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
1030                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
1031
1032     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
1033     __asm__ volatile(
1034         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1035         "mov %4, %%"REG_b"                        \n\t"
1036         "push %%"REG_BP"                        \n\t"
1037         YSCALEYUV2PACKED(%%REGBP, %5)
1038         WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1039         "pop %%"REG_BP"                         \n\t"
1040         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1041         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1042            "a" (&c->redDither)
1043     );
1044 }
1045
1046 #define REAL_YSCALEYUV2RGB1(index, c) \
1047     "xor            "#index", "#index"  \n\t"\
1048     ".p2align              4            \n\t"\
1049     "1:                                 \n\t"\
1050     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
1051     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1052     "movq     (%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
1053     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1054     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
1055     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
1056     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
1057     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
1058     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
1059     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
1060     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
1061     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
1062     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
1063     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
1064     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
1065     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1066     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1067     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
1068     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
1069     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
1070     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
1071     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
1072     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
1073     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
1074     "paddw             %%mm3, %%mm4     \n\t"\
1075     "movq              %%mm2, %%mm0     \n\t"\
1076     "movq              %%mm5, %%mm6     \n\t"\
1077     "movq              %%mm4, %%mm3     \n\t"\
1078     "punpcklwd         %%mm2, %%mm2     \n\t"\
1079     "punpcklwd         %%mm5, %%mm5     \n\t"\
1080     "punpcklwd         %%mm4, %%mm4     \n\t"\
1081     "paddw             %%mm1, %%mm2     \n\t"\
1082     "paddw             %%mm1, %%mm5     \n\t"\
1083     "paddw             %%mm1, %%mm4     \n\t"\
1084     "punpckhwd         %%mm0, %%mm0     \n\t"\
1085     "punpckhwd         %%mm6, %%mm6     \n\t"\
1086     "punpckhwd         %%mm3, %%mm3     \n\t"\
1087     "paddw             %%mm7, %%mm0     \n\t"\
1088     "paddw             %%mm7, %%mm6     \n\t"\
1089     "paddw             %%mm7, %%mm3     \n\t"\
1090     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
1091     "packuswb          %%mm0, %%mm2     \n\t"\
1092     "packuswb          %%mm6, %%mm5     \n\t"\
1093     "packuswb          %%mm3, %%mm4     \n\t"\
1094
1095 #define YSCALEYUV2RGB1(index, c)  REAL_YSCALEYUV2RGB1(index, c)
1096
1097 // do vertical chrominance interpolation
1098 #define REAL_YSCALEYUV2RGB1b(index, c) \
1099     "xor            "#index", "#index"  \n\t"\
1100     ".p2align              4            \n\t"\
1101     "1:                                 \n\t"\
1102     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
1103     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
1104     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1105     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
1106     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
1107     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1108     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
1109     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
1110     "psrlw                $5, %%mm3     \n\t" /*FIXME might overflow*/\
1111     "psrlw                $5, %%mm4     \n\t" /*FIXME might overflow*/\
1112     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
1113     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
1114     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
1115     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
1116     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
1117     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
1118     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
1119     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
1120     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
1121     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1122     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1123     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
1124     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
1125     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
1126     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
1127     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
1128     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
1129     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
1130     "paddw             %%mm3, %%mm4     \n\t"\
1131     "movq              %%mm2, %%mm0     \n\t"\
1132     "movq              %%mm5, %%mm6     \n\t"\
1133     "movq              %%mm4, %%mm3     \n\t"\
1134     "punpcklwd         %%mm2, %%mm2     \n\t"\
1135     "punpcklwd         %%mm5, %%mm5     \n\t"\
1136     "punpcklwd         %%mm4, %%mm4     \n\t"\
1137     "paddw             %%mm1, %%mm2     \n\t"\
1138     "paddw             %%mm1, %%mm5     \n\t"\
1139     "paddw             %%mm1, %%mm4     \n\t"\
1140     "punpckhwd         %%mm0, %%mm0     \n\t"\
1141     "punpckhwd         %%mm6, %%mm6     \n\t"\
1142     "punpckhwd         %%mm3, %%mm3     \n\t"\
1143     "paddw             %%mm7, %%mm0     \n\t"\
1144     "paddw             %%mm7, %%mm6     \n\t"\
1145     "paddw             %%mm7, %%mm3     \n\t"\
1146     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
1147     "packuswb          %%mm0, %%mm2     \n\t"\
1148     "packuswb          %%mm6, %%mm5     \n\t"\
1149     "packuswb          %%mm3, %%mm4     \n\t"\
1150
1151 #define YSCALEYUV2RGB1b(index, c)  REAL_YSCALEYUV2RGB1b(index, c)
1152
1153 #define REAL_YSCALEYUV2RGB1_ALPHA(index) \
1154     "movq  (%1, "#index", 2), %%mm7     \n\t" /* abuf0[index  ]     */\
1155     "movq 8(%1, "#index", 2), %%mm1     \n\t" /* abuf0[index+4]     */\
1156     "psraw                $7, %%mm7     \n\t" /* abuf0[index  ] >>7 */\
1157     "psraw                $7, %%mm1     \n\t" /* abuf0[index+4] >>7 */\
1158     "packuswb          %%mm1, %%mm7     \n\t"
1159 #define YSCALEYUV2RGB1_ALPHA(index) REAL_YSCALEYUV2RGB1_ALPHA(index)
1160
1161 /**
1162  * YV12 to RGB without scaling or interpolating
1163  */
1164 static void RENAME(yuv2rgb32_1)(SwsContext *c, const int16_t *buf0,
1165                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
1166                                 const int16_t *abuf0, uint8_t *dest,
1167                                 int dstW, int uvalpha, int y)
1168 {
1169     const int16_t *ubuf0 = ubuf[0];
1170     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1171
1172     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1173         const int16_t *ubuf1 = ubuf[0];
1174         if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1175             __asm__ volatile(
1176                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1177                 "mov        %4, %%"REG_b"               \n\t"
1178                 "push %%"REG_BP"                        \n\t"
1179                 YSCALEYUV2RGB1(%%REGBP, %5)
1180                 YSCALEYUV2RGB1_ALPHA(%%REGBP)
1181                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1182                 "pop %%"REG_BP"                         \n\t"
1183                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1184                 :: "c" (buf0), "d" (abuf0), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1185                    "a" (&c->redDither)
1186             );
1187         } else {
1188             __asm__ volatile(
1189                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1190                 "mov        %4, %%"REG_b"               \n\t"
1191                 "push %%"REG_BP"                        \n\t"
1192                 YSCALEYUV2RGB1(%%REGBP, %5)
1193                 "pcmpeqd %%mm7, %%mm7                   \n\t"
1194                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1195                 "pop %%"REG_BP"                         \n\t"
1196                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1197                 :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1198                    "a" (&c->redDither)
1199             );
1200         }
1201     } else {
1202         const int16_t *ubuf1 = ubuf[1];
1203         if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1204             __asm__ volatile(
1205                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1206                 "mov        %4, %%"REG_b"               \n\t"
1207                 "push %%"REG_BP"                        \n\t"
1208                 YSCALEYUV2RGB1b(%%REGBP, %5)
1209                 YSCALEYUV2RGB1_ALPHA(%%REGBP)
1210                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1211                 "pop %%"REG_BP"                         \n\t"
1212                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1213                 :: "c" (buf0), "d" (abuf0), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1214                    "a" (&c->redDither)
1215             );
1216         } else {
1217             __asm__ volatile(
1218                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1219                 "mov        %4, %%"REG_b"               \n\t"
1220                 "push %%"REG_BP"                        \n\t"
1221                 YSCALEYUV2RGB1b(%%REGBP, %5)
1222                 "pcmpeqd %%mm7, %%mm7                   \n\t"
1223                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1224                 "pop %%"REG_BP"                         \n\t"
1225                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1226                 :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1227                    "a" (&c->redDither)
1228             );
1229         }
1230     }
1231 }
1232
1233 static void RENAME(yuv2bgr24_1)(SwsContext *c, const int16_t *buf0,
1234                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
1235                                 const int16_t *abuf0, uint8_t *dest,
1236                                 int dstW, int uvalpha, int y)
1237 {
1238     const int16_t *ubuf0 = ubuf[0];
1239     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1240
1241     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1242         const int16_t *ubuf1 = ubuf[0];
1243         __asm__ volatile(
1244             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1245             "mov        %4, %%"REG_b"               \n\t"
1246             "push %%"REG_BP"                        \n\t"
1247             YSCALEYUV2RGB1(%%REGBP, %5)
1248             "pxor    %%mm7, %%mm7                   \n\t"
1249             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1250             "pop %%"REG_BP"                         \n\t"
1251             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1252             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1253                "a" (&c->redDither)
1254         );
1255     } else {
1256         const int16_t *ubuf1 = ubuf[1];
1257         __asm__ volatile(
1258             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1259             "mov        %4, %%"REG_b"               \n\t"
1260             "push %%"REG_BP"                        \n\t"
1261             YSCALEYUV2RGB1b(%%REGBP, %5)
1262             "pxor    %%mm7, %%mm7                   \n\t"
1263             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1264             "pop %%"REG_BP"                         \n\t"
1265             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1266             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1267                "a" (&c->redDither)
1268         );
1269     }
1270 }
1271
1272 static void RENAME(yuv2rgb555_1)(SwsContext *c, const int16_t *buf0,
1273                                  const int16_t *ubuf[2], const int16_t *vbuf[2],
1274                                  const int16_t *abuf0, uint8_t *dest,
1275                                  int dstW, int uvalpha, int y)
1276 {
1277     const int16_t *ubuf0 = ubuf[0];
1278     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1279
1280     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1281         const int16_t *ubuf1 = ubuf[0];
1282         __asm__ volatile(
1283             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1284             "mov        %4, %%"REG_b"               \n\t"
1285             "push %%"REG_BP"                        \n\t"
1286             YSCALEYUV2RGB1(%%REGBP, %5)
1287             "pxor    %%mm7, %%mm7                   \n\t"
1288             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1289 #ifdef DITHER1XBPP
1290             "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1291             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1292             "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1293 #endif
1294             WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1295             "pop %%"REG_BP"                         \n\t"
1296             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1297             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1298                "a" (&c->redDither)
1299         );
1300     } else {
1301         const int16_t *ubuf1 = ubuf[1];
1302         __asm__ volatile(
1303             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1304             "mov        %4, %%"REG_b"               \n\t"
1305             "push %%"REG_BP"                        \n\t"
1306             YSCALEYUV2RGB1b(%%REGBP, %5)
1307             "pxor    %%mm7, %%mm7                   \n\t"
1308             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1309 #ifdef DITHER1XBPP
1310             "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1311             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1312             "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1313 #endif
1314             WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1315             "pop %%"REG_BP"                         \n\t"
1316             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1317             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1318                "a" (&c->redDither)
1319         );
1320     }
1321 }
1322
1323 static void RENAME(yuv2rgb565_1)(SwsContext *c, const int16_t *buf0,
1324                                  const int16_t *ubuf[2], const int16_t *vbuf[2],
1325                                  const int16_t *abuf0, uint8_t *dest,
1326                                  int dstW, int uvalpha, int y)
1327 {
1328     const int16_t *ubuf0 = ubuf[0];
1329     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1330
1331     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1332         const int16_t *ubuf1 = ubuf[0];
1333         __asm__ volatile(
1334             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1335             "mov        %4, %%"REG_b"               \n\t"
1336             "push %%"REG_BP"                        \n\t"
1337             YSCALEYUV2RGB1(%%REGBP, %5)
1338             "pxor    %%mm7, %%mm7                   \n\t"
1339             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1340 #ifdef DITHER1XBPP
1341             "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1342             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1343             "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1344 #endif
1345             WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1346             "pop %%"REG_BP"                         \n\t"
1347             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1348             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1349                "a" (&c->redDither)
1350         );
1351     } else {
1352         const int16_t *ubuf1 = ubuf[1];
1353         __asm__ volatile(
1354             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1355             "mov        %4, %%"REG_b"               \n\t"
1356             "push %%"REG_BP"                        \n\t"
1357             YSCALEYUV2RGB1b(%%REGBP, %5)
1358             "pxor    %%mm7, %%mm7                   \n\t"
1359             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1360 #ifdef DITHER1XBPP
1361             "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1362             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1363             "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1364 #endif
1365             WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1366             "pop %%"REG_BP"                         \n\t"
1367             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1368             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1369                "a" (&c->redDither)
1370         );
1371     }
1372 }
1373
1374 #define REAL_YSCALEYUV2PACKED1(index, c) \
1375     "xor            "#index", "#index"  \n\t"\
1376     ".p2align              4            \n\t"\
1377     "1:                                 \n\t"\
1378     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
1379     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1380     "movq     (%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
1381     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1382     "psraw                $7, %%mm3     \n\t" \
1383     "psraw                $7, %%mm4     \n\t" \
1384     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
1385     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
1386     "psraw                $7, %%mm1     \n\t" \
1387     "psraw                $7, %%mm7     \n\t" \
1388
1389 #define YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)
1390
1391 #define REAL_YSCALEYUV2PACKED1b(index, c) \
1392     "xor "#index", "#index"             \n\t"\
1393     ".p2align              4            \n\t"\
1394     "1:                                 \n\t"\
1395     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
1396     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
1397     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1398     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
1399     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
1400     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1401     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
1402     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
1403     "psrlw                $8, %%mm3     \n\t" \
1404     "psrlw                $8, %%mm4     \n\t" \
1405     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
1406     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
1407     "psraw                $7, %%mm1     \n\t" \
1408     "psraw                $7, %%mm7     \n\t"
1409 #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)
1410
1411 static void RENAME(yuv2yuyv422_1)(SwsContext *c, const int16_t *buf0,
1412                                   const int16_t *ubuf[2], const int16_t *vbuf[2],
1413                                   const int16_t *abuf0, uint8_t *dest,
1414                                   int dstW, int uvalpha, int y)
1415 {
1416     const int16_t *ubuf0 = ubuf[0];
1417     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1418
1419     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1420         const int16_t *ubuf1 = ubuf[0];
1421         __asm__ volatile(
1422             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1423             "mov        %4, %%"REG_b"               \n\t"
1424             "push %%"REG_BP"                        \n\t"
1425             YSCALEYUV2PACKED1(%%REGBP, %5)
1426             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1427             "pop %%"REG_BP"                         \n\t"
1428             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1429             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1430                "a" (&c->redDither)
1431         );
1432     } else {
1433         const int16_t *ubuf1 = ubuf[1];
1434         __asm__ volatile(
1435             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1436             "mov        %4, %%"REG_b"               \n\t"
1437             "push %%"REG_BP"                        \n\t"
1438             YSCALEYUV2PACKED1b(%%REGBP, %5)
1439             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1440             "pop %%"REG_BP"                         \n\t"
1441             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1442             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1443                "a" (&c->redDither)
1444         );
1445     }
1446 }
1447
1448 #if COMPILE_TEMPLATE_MMXEXT
1449 static void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
1450                                  int dstWidth, const uint8_t *src,
1451                                  int srcW, int xInc)
1452 {
1453     int32_t *filterPos = c->hLumFilterPos;
1454     int16_t *filter    = c->hLumFilter;
1455     void    *mmxextFilterCode = c->lumMmxextFilterCode;
1456     int i;
1457 #if defined(PIC)
1458     uint64_t ebxsave;
1459 #endif
1460 #if ARCH_X86_64
1461     uint64_t retsave;
1462 #endif
1463
1464     __asm__ volatile(
1465 #if defined(PIC)
1466         "mov               %%"REG_b", %5        \n\t"
1467 #if ARCH_X86_64
1468         "mov               -8(%%rsp), %%"REG_a" \n\t"
1469         "mov               %%"REG_a", %6        \n\t"
1470 #endif
1471 #else
1472 #if ARCH_X86_64
1473         "mov               -8(%%rsp), %%"REG_a" \n\t"
1474         "mov               %%"REG_a", %5        \n\t"
1475 #endif
1476 #endif
1477         "pxor                  %%mm7, %%mm7     \n\t"
1478         "mov                      %0, %%"REG_c" \n\t"
1479         "mov                      %1, %%"REG_D" \n\t"
1480         "mov                      %2, %%"REG_d" \n\t"
1481         "mov                      %3, %%"REG_b" \n\t"
1482         "xor               %%"REG_a", %%"REG_a" \n\t" // i
1483         PREFETCH"        (%%"REG_c")            \n\t"
1484         PREFETCH"      32(%%"REG_c")            \n\t"
1485         PREFETCH"      64(%%"REG_c")            \n\t"
1486
1487 #if ARCH_X86_64
1488 #define CALL_MMXEXT_FILTER_CODE \
1489         "movl            (%%"REG_b"), %%esi     \n\t"\
1490         "call                    *%4            \n\t"\
1491         "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\
1492         "add               %%"REG_S", %%"REG_c" \n\t"\
1493         "add               %%"REG_a", %%"REG_D" \n\t"\
1494         "xor               %%"REG_a", %%"REG_a" \n\t"\
1495
1496 #else
1497 #define CALL_MMXEXT_FILTER_CODE \
1498         "movl (%%"REG_b"), %%esi        \n\t"\
1499         "call         *%4                       \n\t"\
1500         "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
1501         "add               %%"REG_a", %%"REG_D" \n\t"\
1502         "xor               %%"REG_a", %%"REG_a" \n\t"\
1503
1504 #endif /* ARCH_X86_64 */
1505
1506         CALL_MMXEXT_FILTER_CODE
1507         CALL_MMXEXT_FILTER_CODE
1508         CALL_MMXEXT_FILTER_CODE
1509         CALL_MMXEXT_FILTER_CODE
1510         CALL_MMXEXT_FILTER_CODE
1511         CALL_MMXEXT_FILTER_CODE
1512         CALL_MMXEXT_FILTER_CODE
1513         CALL_MMXEXT_FILTER_CODE
1514
1515 #if defined(PIC)
1516         "mov                      %5, %%"REG_b" \n\t"
1517 #if ARCH_X86_64
1518         "mov                      %6, %%"REG_a" \n\t"
1519         "mov               %%"REG_a", -8(%%rsp) \n\t"
1520 #endif
1521 #else
1522 #if ARCH_X86_64
1523         "mov                      %5, %%"REG_a" \n\t"
1524         "mov               %%"REG_a", -8(%%rsp) \n\t"
1525 #endif
1526 #endif
1527         :: "m" (src), "m" (dst), "m" (filter), "m" (filterPos),
1528            "m" (mmxextFilterCode)
1529 #if defined(PIC)
1530           ,"m" (ebxsave)
1531 #endif
1532 #if ARCH_X86_64
1533           ,"m"(retsave)
1534 #endif
1535         : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
1536 #if !defined(PIC)
1537          ,"%"REG_b
1538 #endif
1539     );
1540
1541     for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
1542         dst[i] = src[srcW-1]*128;
1543 }
1544
1545 static void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst1, int16_t *dst2,
1546                                  int dstWidth, const uint8_t *src1,
1547                                  const uint8_t *src2, int srcW, int xInc)
1548 {
1549     int32_t *filterPos = c->hChrFilterPos;
1550     int16_t *filter    = c->hChrFilter;
1551     void    *mmxextFilterCode = c->chrMmxextFilterCode;
1552     int i;
1553 #if defined(PIC)
1554     DECLARE_ALIGNED(8, uint64_t, ebxsave);
1555 #endif
1556 #if ARCH_X86_64
1557     DECLARE_ALIGNED(8, uint64_t, retsave);
1558 #endif
1559
1560     __asm__ volatile(
1561 #if defined(PIC)
1562         "mov          %%"REG_b", %7         \n\t"
1563 #if ARCH_X86_64
1564         "mov          -8(%%rsp), %%"REG_a"  \n\t"
1565         "mov          %%"REG_a", %8         \n\t"
1566 #endif
1567 #else
1568 #if ARCH_X86_64
1569         "mov          -8(%%rsp), %%"REG_a"  \n\t"
1570         "mov          %%"REG_a", %7         \n\t"
1571 #endif
1572 #endif
1573         "pxor             %%mm7, %%mm7      \n\t"
1574         "mov                 %0, %%"REG_c"  \n\t"
1575         "mov                 %1, %%"REG_D"  \n\t"
1576         "mov                 %2, %%"REG_d"  \n\t"
1577         "mov                 %3, %%"REG_b"  \n\t"
1578         "xor          %%"REG_a", %%"REG_a"  \n\t" // i
1579         PREFETCH"   (%%"REG_c")             \n\t"
1580         PREFETCH" 32(%%"REG_c")             \n\t"
1581         PREFETCH" 64(%%"REG_c")             \n\t"
1582
1583         CALL_MMXEXT_FILTER_CODE
1584         CALL_MMXEXT_FILTER_CODE
1585         CALL_MMXEXT_FILTER_CODE
1586         CALL_MMXEXT_FILTER_CODE
1587         "xor          %%"REG_a", %%"REG_a"  \n\t" // i
1588         "mov                 %5, %%"REG_c"  \n\t" // src
1589         "mov                 %6, %%"REG_D"  \n\t" // buf2
1590         PREFETCH"   (%%"REG_c")             \n\t"
1591         PREFETCH" 32(%%"REG_c")             \n\t"
1592         PREFETCH" 64(%%"REG_c")             \n\t"
1593
1594         CALL_MMXEXT_FILTER_CODE
1595         CALL_MMXEXT_FILTER_CODE
1596         CALL_MMXEXT_FILTER_CODE
1597         CALL_MMXEXT_FILTER_CODE
1598
1599 #if defined(PIC)
1600         "mov %7, %%"REG_b"    \n\t"
1601 #if ARCH_X86_64
1602         "mov                 %8, %%"REG_a"  \n\t"
1603         "mov          %%"REG_a", -8(%%rsp)  \n\t"
1604 #endif
1605 #else
1606 #if ARCH_X86_64
1607         "mov                 %7, %%"REG_a"  \n\t"
1608         "mov          %%"REG_a", -8(%%rsp)  \n\t"
1609 #endif
1610 #endif
1611         :: "m" (src1), "m" (dst1), "m" (filter), "m" (filterPos),
1612            "m" (mmxextFilterCode), "m" (src2), "m"(dst2)
1613 #if defined(PIC)
1614           ,"m" (ebxsave)
1615 #endif
1616 #if ARCH_X86_64
1617           ,"m"(retsave)
1618 #endif
1619         : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
1620 #if !defined(PIC)
1621          ,"%"REG_b
1622 #endif
1623     );
1624
1625     for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) {
1626         dst1[i] = src1[srcW-1]*128;
1627         dst2[i] = src2[srcW-1]*128;
1628     }
1629 }
1630 #endif /* COMPILE_TEMPLATE_MMXEXT */
1631
1632 static av_cold void RENAME(sws_init_swScale)(SwsContext *c)
1633 {
1634     enum AVPixelFormat dstFormat = c->dstFormat;
1635
1636     c->use_mmx_vfilter= 0;
1637     if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) && dstFormat != AV_PIX_FMT_NV12
1638         && dstFormat != AV_PIX_FMT_NV21 && !(c->flags & SWS_BITEXACT)) {
1639             if (c->flags & SWS_ACCURATE_RND) {
1640                 if (!(c->flags & SWS_FULL_CHR_H_INT)) {
1641                     switch (c->dstFormat) {
1642                     case AV_PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X_ar);   break;
1643                     case AV_PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X_ar);   break;
1644                     case AV_PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X_ar);  break;
1645                     case AV_PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X_ar);  break;
1646                     case AV_PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X_ar); break;
1647                     default: break;
1648                     }
1649                 }
1650             } else {
1651                 c->use_mmx_vfilter= 1;
1652                 c->yuv2planeX = RENAME(yuv2yuvX    );
1653                 if (!(c->flags & SWS_FULL_CHR_H_INT)) {
1654                     switch (c->dstFormat) {
1655                     case AV_PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X);   break;
1656                     case AV_PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X);   break;
1657                     case AV_PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X);  break;
1658                     case AV_PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X);  break;
1659                     case AV_PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X); break;
1660                     default: break;
1661                     }
1662                 }
1663             }
1664         if (!(c->flags & SWS_FULL_CHR_H_INT)) {
1665             switch (c->dstFormat) {
1666             case AV_PIX_FMT_RGB32:
1667                 c->yuv2packed1 = RENAME(yuv2rgb32_1);
1668                 c->yuv2packed2 = RENAME(yuv2rgb32_2);
1669                 break;
1670             case AV_PIX_FMT_BGR24:
1671                 c->yuv2packed1 = RENAME(yuv2bgr24_1);
1672                 c->yuv2packed2 = RENAME(yuv2bgr24_2);
1673                 break;
1674             case AV_PIX_FMT_RGB555:
1675                 c->yuv2packed1 = RENAME(yuv2rgb555_1);
1676                 c->yuv2packed2 = RENAME(yuv2rgb555_2);
1677                 break;
1678             case AV_PIX_FMT_RGB565:
1679                 c->yuv2packed1 = RENAME(yuv2rgb565_1);
1680                 c->yuv2packed2 = RENAME(yuv2rgb565_2);
1681                 break;
1682             case AV_PIX_FMT_YUYV422:
1683                 c->yuv2packed1 = RENAME(yuv2yuyv422_1);
1684                 c->yuv2packed2 = RENAME(yuv2yuyv422_2);
1685                 break;
1686             default:
1687                 break;
1688             }
1689         }
1690     }
1691
1692     if (c->srcBpc == 8 && c->dstBpc <= 14) {
1693     // Use the new MMX scaler if the MMXEXT one can't be used (it is faster than the x86 ASM one).
1694 #if COMPILE_TEMPLATE_MMXEXT
1695     if (c->flags & SWS_FAST_BILINEAR && c->canMMXEXTBeUsed) {
1696         c->hyscale_fast = RENAME(hyscale_fast);
1697         c->hcscale_fast = RENAME(hcscale_fast);
1698     } else {
1699 #endif /* COMPILE_TEMPLATE_MMXEXT */
1700         c->hyscale_fast = NULL;
1701         c->hcscale_fast = NULL;
1702 #if COMPILE_TEMPLATE_MMXEXT
1703     }
1704 #endif /* COMPILE_TEMPLATE_MMXEXT */
1705     }
1706 }