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16bpp is 10% faster
Originally committed as revision 2737 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
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@ -36,6 +36,7 @@
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#include <inttypes.h>
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#include "rgb2rgb.h"
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#include "../mmx_defs.h"
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/* hope these constant values are cache line aligned */
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uint64_t mmx_80w = 0x0080008000800080;
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@ -52,23 +53,6 @@ uint64_t mmx_V_green = 0xe5fce5fce5fce5fc;
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/* hope these constant values are cache line aligned */
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uint64_t mmx_redmask = 0xf8f8f8f8f8f8f8f8;
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uint64_t mmx_grnmask = 0xfcfcfcfcfcfcfcfc;
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uint64_t mmx_grnshift = 0x03;
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uint64_t mmx_blueshift = 0x03;
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#ifdef HAVE_MMX2
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/* use this for K7 and p3 only */
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#define MOVNTQ "movntq"
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#else
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/* for MMX-only processors */
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#define MOVNTQ "movq"
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#endif
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#if !defined( HAVE_MMX2) && defined( HAVE_3DNOW)
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/* for K6 2/2+/3 */
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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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#define YUV2RGB \
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/* Do the multiply part of the conversion for even and odd pixels,
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@ -174,6 +158,12 @@ static void yuv420_rgb16_mmx (uint8_t * image, uint8_t * py,
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pixels in each iteration */
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__asm__ __volatile__ (
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/* no speed diference 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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YUV2RGB
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/* mask unneeded bits off */
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@ -181,7 +171,7 @@ YUV2RGB
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"pand mmx_grnmask, %%mm2;" /* g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 */
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"pand mmx_redmask, %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */
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"psrlw mmx_blueshift,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
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"psrlw $3,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
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"pxor %%mm4, %%mm4;" /* zero mm4 */
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"movq %%mm0, %%mm5;" /* Copy B7-B0 */
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@ -191,7 +181,7 @@ YUV2RGB
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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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"psllw mmx_blueshift,%%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
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"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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"movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
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@ -201,7 +191,7 @@ YUV2RGB
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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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"psllw mmx_blueshift,%%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
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"psllw $3, %%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
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"movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
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"por %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
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@ -266,7 +256,7 @@ YUV2RGB
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"pand mmx_redmask, %%mm2;" /* g7g6g5g4 g3_0_0_0 g7g6g5g4 g3_0_0_0 */
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"pand mmx_redmask, %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */
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"psrlw mmx_blueshift,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
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"psrlw $3,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
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"psrlw $1,%%mm1;" /* 0_r7r6r5 r4r3_0_0 0_r7r6r5 r4r3_0_0 */
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"pxor %%mm4, %%mm4;" /* zero mm4 */
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@ -521,7 +511,6 @@ YUV2RGB
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yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode)
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{
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// if (bpp == 15 || bpp == 16) {
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if (bpp == 15 && mode == MODE_RGB) return yuv420_rgb15_mmx;
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if (bpp == 16 && mode == MODE_RGB) return yuv420_rgb16_mmx;
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if (bpp == 24 && mode == MODE_RGB) return yuv420_rgb24_mmx;
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