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ffmpeg / libswscale / yuv2rgb_template.c @ 2816ce4c

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/*
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 * yuv2rgb_mmx.c, software YUV to RGB converter with Intel MMX "technology"
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 *
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 * Copyright (C) 2000, Silicon Integrated System Corp
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 *
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 * Author: Olie Lho <ollie@sis.com.tw>
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 *
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 * 15,24 bpp and dithering from Michael Niedermayer (michaelni@gmx.at)
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 * MMX/MMX2 Template stuff from Michael Niedermayer (needed for fast movntq support)
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 * context / deglobalize stuff by Michael Niedermayer
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 *
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 * This file is part of mpeg2dec, a free MPEG-2 video decoder
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 *
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 * mpeg2dec is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2, or (at your option)
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 * any later version.
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 *
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 * mpeg2dec is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with mpeg2dec; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#undef MOVNTQ
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#undef EMMS
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#undef SFENCE
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#if HAVE_AMD3DNOW
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/* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */
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#define EMMS     "femms"
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#else
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#define EMMS     "emms"
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#endif
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#if HAVE_MMX2
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#define MOVNTQ "movntq"
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#define SFENCE "sfence"
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#else
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#define MOVNTQ "movq"
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#define SFENCE "/nop"
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#endif
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#define YUV2RGB \
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    /* Do the multiply part of the conversion for even and odd pixels,
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       register usage:
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       mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
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       mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
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       mm6 -> Y even, mm7 -> Y odd */\
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    /* convert the chroma part */\
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    "punpcklbw %%mm4, %%mm0;" /* scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \
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    "punpcklbw %%mm4, %%mm1;" /* scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \
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\
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    "psllw $3, %%mm0;" /* Promote precision */ \
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    "psllw $3, %%mm1;" /* Promote precision */ \
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\
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    "psubsw "U_OFFSET"(%4), %%mm0;" /* Cb -= 128 */ \
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    "psubsw "V_OFFSET"(%4), %%mm1;" /* Cr -= 128 */ \
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\
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    "movq %%mm0, %%mm2;" /* Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \
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    "movq %%mm1, %%mm3;" /* Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \
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\
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    "pmulhw "UG_COEFF"(%4), %%mm2;" /* Mul Cb with green coeff -> Cb green */ \
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    "pmulhw "VG_COEFF"(%4), %%mm3;" /* Mul Cr with green coeff -> Cr green */ \
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\
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    "pmulhw "UB_COEFF"(%4), %%mm0;" /* Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 */\
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    "pmulhw "VR_COEFF"(%4), %%mm1;" /* Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 */\
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\
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    "paddsw %%mm3, %%mm2;" /* Cb green + Cr green -> Cgreen */\
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\
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    /* convert the luma part */\
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    "movq %%mm6, %%mm7;" /* Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\
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    "pand "MANGLE(mmx_00ffw)", %%mm6;" /* get Y even 00 Y6 00 Y4 00 Y2 00 Y0 */\
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\
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    "psrlw $8, %%mm7;" /* get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 */\
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\
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    "psllw $3, %%mm6;" /* Promote precision */\
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    "psllw $3, %%mm7;" /* Promote precision */\
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\
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    "psubw "Y_OFFSET"(%4), %%mm6;" /* Y -= 16 */\
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    "psubw "Y_OFFSET"(%4), %%mm7;" /* Y -= 16 */\
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\
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    "pmulhw "Y_COEFF"(%4), %%mm6;" /* Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 */\
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    "pmulhw "Y_COEFF"(%4), %%mm7;" /* Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 */\
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\
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    /* Do the addition part of the conversion for even and odd pixels,
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       register usage:
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       mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
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       mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
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       mm6 -> Y even, mm7 -> Y odd */\
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    "movq %%mm0, %%mm3;" /* Copy Cblue */\
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    "movq %%mm1, %%mm4;" /* Copy Cred */\
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    "movq %%mm2, %%mm5;" /* Copy Cgreen */\
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\
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    "paddsw %%mm6, %%mm0;" /* Y even + Cblue 00 B6 00 B4 00 B2 00 B0 */\
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    "paddsw %%mm7, %%mm3;" /* Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 */\
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\
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    "paddsw %%mm6, %%mm1;" /* Y even + Cred 00 R6 00 R4 00 R2 00 R0 */\
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    "paddsw %%mm7, %%mm4;" /* Y odd + Cred 00 R7 00 R5 00 R3 00 R1 */\
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\
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    "paddsw %%mm6, %%mm2;" /* Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 */\
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    "paddsw %%mm7, %%mm5;" /* Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 */\
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\
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    /* Limit RGB even to 0..255 */\
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    "packuswb %%mm0, %%mm0;" /* B6 B4 B2 B0  B6 B4 B2 B0 */\
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    "packuswb %%mm1, %%mm1;" /* R6 R4 R2 R0  R6 R4 R2 R0 */\
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    "packuswb %%mm2, %%mm2;" /* G6 G4 G2 G0  G6 G4 G2 G0 */\
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\
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    /* Limit RGB odd to 0..255 */\
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    "packuswb %%mm3, %%mm3;" /* B7 B5 B3 B1  B7 B5 B3 B1 */\
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    "packuswb %%mm4, %%mm4;" /* R7 R5 R3 R1  R7 R5 R3 R1 */\
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    "packuswb %%mm5, %%mm5;" /* G7 G5 G3 G1  G7 G5 G3 G1 */\
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\
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    /* Interleave RGB even and odd */\
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    "punpcklbw %%mm3, %%mm0;" /* B7 B6 B5 B4 B3 B2 B1 B0 */\
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    "punpcklbw %%mm4, %%mm1;" /* R7 R6 R5 R4 R3 R2 R1 R0 */\
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    "punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */\
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123

    
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#define YUV422_UNSHIFT                   \
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    if(c->srcFormat == PIX_FMT_YUV422P){ \
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        srcStride[1] *= 2;               \
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        srcStride[2] *= 2;               \
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    }                                    \
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#define YUV2RGB_LOOP(depth)                                   \
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    h_size= (c->dstW+7)&~7;                                   \
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    if(h_size*depth > FFABS(dstStride[0])) h_size-=8;         \
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\
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    __asm__ volatile ("pxor %mm4, %mm4;" /* zero mm4 */ );    \
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    for (y= 0; y<srcSliceH; y++ ) {                           \
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        uint8_t *image = dst[0] + (y+srcSliceY)*dstStride[0]; \
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        uint8_t *py = src[0] + y*srcStride[0];                \
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        uint8_t *pu = src[1] + (y>>1)*srcStride[1];           \
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        uint8_t *pv = src[2] + (y>>1)*srcStride[2];           \
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        long index= -h_size/2;                                \
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#define YUV2RGB_INIT                                                       \
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        /* This MMX assembly code deals with a SINGLE scan line at a time, \
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         * it converts 8 pixels in each iteration. */                      \
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        __asm__ volatile (                                                 \
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        /* load data for start of next scan line */                        \
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        "movd    (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ \
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        "movd    (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ \
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        "movq (%5, %0, 2), %%mm6;" /* Load 8  Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ \
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        /*                                                                 \
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        ".balign 16     \n\t"                                              \
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        */                                                                 \
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        "1:             \n\t"                                              \
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        /* No speed difference on my p3@500 with prefetch,                 \
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         * if it is faster for anyone with -benchmark then tell me.        \
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        PREFETCH" 64(%0) \n\t"                                             \
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        PREFETCH" 64(%1) \n\t"                                             \
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        PREFETCH" 64(%2) \n\t"                                             \
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        */                                                                 \
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#define YUV2RGB_ENDLOOP(depth) \
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        "add $"AV_STRINGIFY(depth*8)", %1    \n\t" \
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        "add                       $4, %0    \n\t" \
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        " js                       1b        \n\t" \
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#define YUV2RGB_OPERANDS \
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        : "+r" (index), "+r" (image) \
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        : "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index) \
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        ); \
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    } \
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    __asm__ volatile (EMMS); \
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    return srcSliceH; \
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static inline int RENAME(yuv420_rgb16)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
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                                       int srcSliceH, uint8_t* dst[], int dstStride[]){
176
    int y, h_size;
177

    
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    YUV422_UNSHIFT
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    YUV2RGB_LOOP(2)
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        c->blueDither= ff_dither8[y&1];
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        c->greenDither= ff_dither4[y&1];
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        c->redDither= ff_dither8[(y+1)&1];
184

    
185
        YUV2RGB_INIT
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        YUV2RGB
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#ifdef DITHER1XBPP
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        "paddusb "BLUE_DITHER"(%4), %%mm0;"
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        "paddusb "GREEN_DITHER"(%4), %%mm2;"
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        "paddusb "RED_DITHER"(%4), %%mm1;"
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#endif
193
        /* mask unneeded bits off */
194
        "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */
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        "pand "MANGLE(mmx_grnmask)", %%mm2;" /* g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 */
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        "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */
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198
        "psrlw   $3, %%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
199
        "pxor %%mm4, %%mm4;" /* zero mm4 */
200

    
201
        "movq %%mm0, %%mm5;" /* Copy B7-B0 */
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        "movq %%mm2, %%mm7;" /* Copy G7-G0 */
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204
        /* convert RGB24 plane to RGB16 pack for pixel 0-3 */
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        "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */
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        "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
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208
        "psllw  $3, %%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
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        "por %%mm2, %%mm0;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
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211
        "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
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        MOVNTQ "      %%mm0, (%1);" /* store pixel 0-3 */
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214
        /* convert RGB24 plane to RGB16 pack for pixel 0-3 */
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        "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */
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        "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
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218
        "psllw        $3, %%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
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        "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
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221
        "por       %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
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        "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
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224
        MOVNTQ "   %%mm5, 8 (%1);" /* store pixel 4-7 */
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226
    YUV2RGB_ENDLOOP(2)
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    YUV2RGB_OPERANDS
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}
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static inline int RENAME(yuv420_rgb15)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
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                                       int srcSliceH, uint8_t* dst[], int dstStride[]){
232
    int y, h_size;
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234
    YUV422_UNSHIFT
235
    YUV2RGB_LOOP(2)
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237
        c->blueDither= ff_dither8[y&1];
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        c->greenDither= ff_dither8[y&1];
239
        c->redDither= ff_dither8[(y+1)&1];
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241
        YUV2RGB_INIT
242
        YUV2RGB
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244
#ifdef DITHER1XBPP
245
        "paddusb "BLUE_DITHER"(%4), %%mm0  \n\t"
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        "paddusb "GREEN_DITHER"(%4), %%mm2  \n\t"
247
        "paddusb "RED_DITHER"(%4), %%mm1  \n\t"
248
#endif
249

    
250
        /* mask unneeded bits off */
251
        "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */
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        "pand "MANGLE(mmx_redmask)", %%mm2;" /* g7g6g5g4 g3_0_0_0 g7g6g5g4 g3_0_0_0 */
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        "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */
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255
        "psrlw   $3, %%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
256
        "psrlw   $1, %%mm1;" /* 0_r7r6r5  r4r3_0_0 0_r7r6r5 r4r3_0_0 */
257
        "pxor %%mm4, %%mm4;" /* zero mm4 */
258

    
259
        "movq %%mm0, %%mm5;" /* Copy B7-B0 */
260
        "movq %%mm2, %%mm7;" /* Copy G7-G0 */
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262
        /* convert RGB24 plane to RGB16 pack for pixel 0-3 */
263
        "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3_0_0_0 */
264
        "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
265

    
266
        "psllw  $2, %%mm2;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */
267
        "por %%mm2, %%mm0;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */
268

    
269
        "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
270
        MOVNTQ "      %%mm0, (%1);"  /* store pixel 0-3 */
271

    
272
        /* convert RGB24 plane to RGB16 pack for pixel 0-3 */
273
        "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 0_g7g6g5 g4g3_0_0 */
274
        "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
275

    
276
        "psllw        $2, %%mm7;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */
277
        "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
278

    
279
        "por       %%mm7, %%mm5;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */
280
        "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
281

    
282
        MOVNTQ " %%mm5, 8 (%1);" /* store pixel 4-7 */
283

    
284
    YUV2RGB_ENDLOOP(2)
285
    YUV2RGB_OPERANDS
286
}
287

    
288
static inline int RENAME(yuv420_rgb24)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
289
                                       int srcSliceH, uint8_t* dst[], int dstStride[]){
290
    int y, h_size;
291

    
292
    YUV422_UNSHIFT
293
    YUV2RGB_LOOP(3)
294

    
295
        YUV2RGB_INIT
296
        YUV2RGB
297
        /* mm0=B, %%mm2=G, %%mm1=R */
298
#if HAVE_MMX2
299
        "movq "MANGLE(ff_M24A)", %%mm4     \n\t"
300
        "movq "MANGLE(ff_M24C)", %%mm7     \n\t"
301
        "pshufw $0x50, %%mm0, %%mm5     \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */
302
        "pshufw $0x50, %%mm2, %%mm3     \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */
303
        "pshufw $0x00, %%mm1, %%mm6     \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */
304

    
305
        "pand   %%mm4, %%mm5            \n\t" /*    B2        B1       B0 */
306
        "pand   %%mm4, %%mm3            \n\t" /*    G2        G1       G0 */
307
        "pand   %%mm7, %%mm6            \n\t" /*       R1        R0       */
308

    
309
        "psllq     $8, %%mm3            \n\t" /* G2        G1       G0    */
310
        "por    %%mm5, %%mm6            \n\t"
311
        "por    %%mm3, %%mm6            \n\t"
312
        MOVNTQ" %%mm6, (%1)             \n\t"
313

    
314
        "psrlq     $8, %%mm2            \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */
315
        "pshufw $0xA5, %%mm0, %%mm5     \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */
316
        "pshufw $0x55, %%mm2, %%mm3     \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */
317
        "pshufw $0xA5, %%mm1, %%mm6     \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */
318

    
319
        "pand "MANGLE(ff_M24B)", %%mm5     \n\t" /* B5       B4        B3    */
320
        "pand          %%mm7, %%mm3     \n\t" /*       G4        G3       */
321
        "pand          %%mm4, %%mm6     \n\t" /*    R4        R3       R2 */
322

    
323
        "por    %%mm5, %%mm3            \n\t" /* B5    G4 B4     G3 B3    */
324
        "por    %%mm3, %%mm6            \n\t"
325
        MOVNTQ" %%mm6, 8(%1)            \n\t"
326

    
327
        "pshufw $0xFF, %%mm0, %%mm5     \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */
328
        "pshufw $0xFA, %%mm2, %%mm3     \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */
329
        "pshufw $0xFA, %%mm1, %%mm6     \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */
330
        "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
331

    
332
        "pand          %%mm7, %%mm5     \n\t" /*       B7        B6       */
333
        "pand          %%mm4, %%mm3     \n\t" /*    G7        G6       G5 */
334
        "pand "MANGLE(ff_M24B)", %%mm6     \n\t" /* R7       R6        R5    */
335
        "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
336
\
337
        "por          %%mm5, %%mm3      \n\t"
338
        "por          %%mm3, %%mm6      \n\t"
339
        MOVNTQ"       %%mm6, 16(%1)     \n\t"
340
        "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
341
        "pxor         %%mm4, %%mm4      \n\t"
342

    
343
#else
344

    
345
        "pxor      %%mm4, %%mm4     \n\t"
346
        "movq      %%mm0, %%mm5     \n\t" /* B */
347
        "movq      %%mm1, %%mm6     \n\t" /* R */
348
        "punpcklbw %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */
349
        "punpcklbw %%mm4, %%mm1     \n\t" /* 0R0R0R0R 0 */
350
        "punpckhbw %%mm2, %%mm5     \n\t" /* GBGBGBGB 2 */
351
        "punpckhbw %%mm4, %%mm6     \n\t" /* 0R0R0R0R 2 */
352
        "movq      %%mm0, %%mm7     \n\t" /* GBGBGBGB 0 */
353
        "movq      %%mm5, %%mm3     \n\t" /* GBGBGBGB 2 */
354
        "punpcklwd %%mm1, %%mm7     \n\t" /* 0RGB0RGB 0 */
355
        "punpckhwd %%mm1, %%mm0     \n\t" /* 0RGB0RGB 1 */
356
        "punpcklwd %%mm6, %%mm5     \n\t" /* 0RGB0RGB 2 */
357
        "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */
358

    
359
        "movq      %%mm7, %%mm2     \n\t" /* 0RGB0RGB 0 */
360
        "movq      %%mm0, %%mm6     \n\t" /* 0RGB0RGB 1 */
361
        "movq      %%mm5, %%mm1     \n\t" /* 0RGB0RGB 2 */
362
        "movq      %%mm3, %%mm4     \n\t" /* 0RGB0RGB 3 */
363

    
364
        "psllq       $40, %%mm7     \n\t" /* RGB00000 0 */
365
        "psllq       $40, %%mm0     \n\t" /* RGB00000 1 */
366
        "psllq       $40, %%mm5     \n\t" /* RGB00000 2 */
367
        "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */
368

    
369
        "punpckhdq %%mm2, %%mm7     \n\t" /* 0RGBRGB0 0 */
370
        "punpckhdq %%mm6, %%mm0     \n\t" /* 0RGBRGB0 1 */
371
        "punpckhdq %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */
372
        "punpckhdq %%mm4, %%mm3     \n\t" /* 0RGBRGB0 3 */
373

    
374
        "psrlq        $8, %%mm7     \n\t" /* 00RGBRGB 0 */
375
        "movq      %%mm0, %%mm6     \n\t" /* 0RGBRGB0 1 */
376
        "psllq       $40, %%mm0     \n\t" /* GB000000 1 */
377
        "por       %%mm0, %%mm7     \n\t" /* GBRGBRGB 0 */
378
        MOVNTQ"    %%mm7, (%1)      \n\t"
379

    
380
        "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
381

    
382
        "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */
383
        "movq      %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */
384
        "psllq       $24, %%mm5     \n\t" /* BRGB0000 2 */
385
        "por       %%mm5, %%mm6     \n\t" /* BRGBRGBR 1 */
386
        MOVNTQ"    %%mm6, 8(%1)     \n\t"
387

    
388
        "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
389

    
390
        "psrlq       $40, %%mm1     \n\t" /* 000000RG 2 */
391
        "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */
392
        "por       %%mm3, %%mm1     \n\t" /* RGBRGBRG 2 */
393
        MOVNTQ"    %%mm1, 16(%1)    \n\t"
394

    
395
        "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
396
        "pxor      %%mm4, %%mm4     \n\t"
397
#endif
398

    
399
    YUV2RGB_ENDLOOP(3)
400
    YUV2RGB_OPERANDS
401
}
402

    
403
#define RGB_PLANAR2PACKED32                                             \
404
    /* convert RGB plane to RGB packed format,                          \
405
       mm0 ->  B, mm1 -> R, mm2 -> G, mm3 -> A,                         \
406
       mm4 -> GB, mm5 -> AR pixel 4-7,                                  \
407
       mm6 -> GB, mm7 -> AR pixel 0-3 */                                \
408
    "movq      %%mm0, %%mm6;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */           \
409
    "movq      %%mm1, %%mm7;"   /* R7 R6 R5 R4 R3 R2 R1 R0 */           \
410
\
411
    "movq      %%mm0, %%mm4;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */           \
412
    "movq      %%mm1, %%mm5;"   /* R7 R6 R5 R4 R3 R2 R1 R0 */           \
413
\
414
    "punpcklbw %%mm2, %%mm6;"   /* G3 B3 G2 B2 G1 B1 G0 B0 */           \
415
    "punpcklbw %%mm3, %%mm7;"   /* A3 R3 A2 R2 A1 R1 A0 R0 */           \
416
\
417
    "punpcklwd %%mm7, %%mm6;"   /* A1 R1 B1 G1 A0 R0 B0 G0 */           \
418
    MOVNTQ "   %%mm6, (%1);"    /* Store ARGB1 ARGB0 */                 \
419
\
420
    "movq      %%mm0, %%mm6;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */           \
421
    "punpcklbw %%mm2, %%mm6;"   /* G3 B3 G2 B2 G1 B1 G0 B0 */           \
422
\
423
    "punpckhwd %%mm7, %%mm6;"   /* A3 R3 G3 B3 A2 R2 B3 G2 */           \
424
    MOVNTQ "   %%mm6, 8 (%1);"  /* Store ARGB3 ARGB2 */                 \
425
\
426
    "punpckhbw %%mm2, %%mm4;"   /* G7 B7 G6 B6 G5 B5 G4 B4 */           \
427
    "punpckhbw %%mm3, %%mm5;"   /* A7 R7 A6 R6 A5 R5 A4 R4 */           \
428
\
429
    "punpcklwd %%mm5, %%mm4;"   /* A5 R5 B5 G5 A4 R4 B4 G4 */           \
430
    MOVNTQ "   %%mm4, 16 (%1);" /* Store ARGB5 ARGB4 */                 \
431
\
432
    "movq      %%mm0, %%mm4;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */           \
433
    "punpckhbw %%mm2, %%mm4;"   /* G7 B7 G6 B6 G5 B5 G4 B4 */           \
434
\
435
    "punpckhwd %%mm5, %%mm4;"   /* A7 R7 G7 B7 A6 R6 B6 G6 */           \
436
    MOVNTQ "   %%mm4, 24 (%1);" /* Store ARGB7 ARGB6 */                 \
437
\
438
    "movd 4 (%2, %0), %%mm0;"   /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ \
439
    "movd 4 (%3, %0), %%mm1;"   /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ \
440
\
441
    "pxor         %%mm4, %%mm4;" /* zero mm4 */                         \
442
    "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ \
443

    
444
static inline int RENAME(yuv420_rgb32)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
445
                                       int srcSliceH, uint8_t* dst[], int dstStride[]){
446
    int y, h_size;
447

    
448
    YUV422_UNSHIFT
449
    YUV2RGB_LOOP(4)
450

    
451
        YUV2RGB_INIT
452
        YUV2RGB
453
        "pcmpeqd   %%mm3, %%mm3;"   /* fill mm3 */
454
        RGB_PLANAR2PACKED32
455

    
456
    YUV2RGB_ENDLOOP(4)
457
    YUV2RGB_OPERANDS
458
}