mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2025-02-04 06:08:26 +02:00
40% faster yuv420 to rgb24 mmx.
It is now faster than the old gpl version on conroe. Originally committed as revision 31180 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Loren Merritt
parent
b724102acd
commit
bffc36e084
@ -124,16 +124,16 @@
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"paddsw %%mm6, %%mm0\n\t" \
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"paddsw %%mm6, %%mm1\n\t" \
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"paddsw %%mm6, %%mm2\n\t" \
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\
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#define RGB_PACK_INTERLEAVE \
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/* pack and interleave even/odd pixels */ \
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"packuswb %%mm0, %%mm0\n\t" \
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"packuswb %%mm1, %%mm1\n\t" \
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"packuswb %%mm1, %%mm0\n\t" \
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"packuswb %%mm5, %%mm3\n\t" \
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"packuswb %%mm2, %%mm2\n\t" \
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"packuswb %%mm3, %%mm3\n\t" \
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"packuswb %%mm5, %%mm5\n\t" \
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"movq %%mm0, %%mm1\n\n" \
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"packuswb %%mm7, %%mm7\n\t" \
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"punpcklbw %%mm3, %%mm0\n\t" \
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"punpcklbw %%mm5, %%mm1\n\t" \
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"punpckhbw %%mm3, %%mm1\n\t" \
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"punpcklbw %%mm7, %%mm2\n\t" \
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#define YUV2RGB_ENDLOOP(depth) \
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@ -210,6 +210,7 @@ static inline int RENAME(yuv420_rgb15)(SwsContext *c, const uint8_t *src[],
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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#ifdef DITHER1XBPP
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DITHER_RGB
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#endif
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@ -237,6 +238,7 @@ static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t *src[],
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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#ifdef DITHER1XBPP
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DITHER_RGB
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#endif
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@ -247,73 +249,66 @@ static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t *src[],
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YUV2RGB_ENDFUNC
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}
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#define RGB_PACK24(blue, red)\
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"packuswb %%mm3, %%mm0 \n" /* R0 R2 R4 R6 R1 R3 R5 R7 */\
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"packuswb %%mm5, %%mm1 \n" /* B0 B2 B4 B6 B1 B3 B5 B7 */\
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"packuswb %%mm7, %%mm2 \n" /* G0 G2 G4 G6 G1 G3 G5 G7 */\
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"movq %%mm"red", %%mm3 \n"\
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"movq %%mm"blue", %%mm6 \n"\
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"psrlq $32, %%mm"red" \n" /* R1 R3 R5 R7 */\
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"punpcklbw %%mm2, %%mm3 \n" /* R0 G0 R2 G2 R4 G4 R6 G6 */\
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"punpcklbw %%mm"red", %%mm6 \n" /* B0 R1 B2 R3 B4 R5 B6 R7 */\
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"movq %%mm3, %%mm5 \n"\
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"punpckhbw %%mm"blue", %%mm2 \n" /* G1 B1 G3 B3 G5 B5 G7 B7 */\
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"punpcklwd %%mm6, %%mm3 \n" /* R0 G0 B0 R1 R2 G2 B2 R3 */\
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"punpckhwd %%mm6, %%mm5 \n" /* R4 G4 B4 R5 R6 G6 B6 R7 */\
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RGB_PACK24_B
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#define RGB_PACK24(red, blue) \
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/* generate first packed RGB octet */ \
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"movq %%mm2, %%mm5\n\t" \
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"movq %%mm"blue", %%mm6\n\t" \
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"movq %%mm"red", %%mm7\n\t" \
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"punpcklbw %%mm5, %%mm6\n\t" \
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"punpcklbw %%mm4, %%mm7\n\t" \
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"movq %%mm6, %%mm3\n\t" \
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"punpcklwd %%mm7, %%mm6\n\t" \
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"psrlq $32, %%mm3\n\t" \
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"movq %%mm6, %%mm5\n\t" \
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"psllq $40, %%mm6\n\t" \
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"psllq $48, %%mm3\n\t" \
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"psrlq $32, %%mm5\n\t" \
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"psrlq $40, %%mm6\n\t" \
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"psllq $24, %%mm5\n\t" \
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"por %%mm3, %%mm6\n\t" \
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"por %%mm5, %%mm6\n\t" \
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MOVNTQ " %%mm6, (%1)\n\t" \
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\
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/* generate second packed RGB octet */ \
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"movq %%mm"red", %%mm7\n\t" \
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"movq %%mm2, %%mm5\n\t" \
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"movq %%mm"blue", %%mm6\n\t" \
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"punpcklbw %%mm4, %%mm7\n\t" \
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"punpcklbw %%mm5, %%mm6\n\t" \
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"movq %%mm7, %%mm3\n\t" \
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"punpckhwd %%mm7, %%mm6\n\t" \
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"psllq $16, %%mm3\n\t" \
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"psrlq $32, %%mm6\n\t" \
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"psrlq $48, %%mm3\n\t" \
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"psllq $8, %%mm6\n\t" \
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"movq %%mm"red", %%mm7\n\t" \
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"por %%mm6, %%mm3\n\t" \
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"movq %%mm"blue", %%mm6\n\t" \
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"movq %%mm2, %%mm5\n\t" \
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"punpckhbw %%mm4, %%mm7\n\t" \
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"punpckhbw %%mm5, %%mm6\n\t" \
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"movq %%mm6, %%mm5\n\t" \
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"punpcklwd %%mm7, %%mm6\n\t" \
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"psrlq $16, %%mm5\n\t" \
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"psllq $56, %%mm5\n\t" \
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"por %%mm5, %%mm3\n\t" \
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"psllq $32, %%mm6\n\t" \
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"por %%mm6, %%mm3\n\t" \
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MOVNTQ " %%mm3, 8(%1)\n\t" \
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\
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/* generate third packed RGB octet */ \
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"movq %%mm"red", %%mm7\n\t" \
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"movq %%mm2, %%mm5\n\t" \
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"movq %%mm2, %%mm3\n\t" \
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"movq %%mm"blue", %%mm6\n\t" \
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"punpckhbw %%mm"red", %%mm3\n\t" \
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"punpckhbw %%mm4, %%mm7\n\t" \
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"psllq $32, %%mm3\n\t" \
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"punpckhbw %%mm5, %%mm6\n\t" \
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"psrlq $48, %%mm3\n\t" \
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"punpckhwd %%mm7, %%mm6\n\t" \
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"movq %%mm6, %%mm7\n\t" \
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"psrlq $32, %%mm6\n\t" \
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"psllq $32, %%mm7\n\t" \
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"psllq $40, %%mm6\n\t" \
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"psrlq $16, %%mm7\n\t" \
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"por %%mm6, %%mm3\n\t" \
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"por %%mm7, %%mm3\n\t" \
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MOVNTQ " %%mm3, 16(%1)\n\t" \
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#if HAVE_MMX2
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DECLARE_ASM_CONST(8, int16_t, mask1101[4]) = {-1,-1, 0,-1};
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DECLARE_ASM_CONST(8, int16_t, mask0010[4]) = { 0, 0,-1, 0};
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DECLARE_ASM_CONST(8, int16_t, mask0110[4]) = { 0,-1,-1, 0};
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DECLARE_ASM_CONST(8, int16_t, mask1001[4]) = {-1, 0, 0,-1};
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DECLARE_ASM_CONST(8, int16_t, mask0100[4]) = { 0,-1, 0, 0};
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#undef RGB_PACK24_B
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#define RGB_PACK24_B\
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"pshufw $0xc6, %%mm2, %%mm1 \n"\
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"pshufw $0x84, %%mm3, %%mm6 \n"\
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"pshufw $0x38, %%mm5, %%mm7 \n"\
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"pand "MANGLE(mask1101)", %%mm6 \n" /* R0 G0 B0 R1 -- -- R2 G2 */\
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"movq %%mm1, %%mm0 \n"\
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"pand "MANGLE(mask0110)", %%mm7 \n" /* -- -- R6 G6 B6 R7 -- -- */\
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"movq %%mm1, %%mm2 \n"\
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"pand "MANGLE(mask0100)", %%mm1 \n" /* -- -- G3 B3 -- -- -- -- */\
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"psrlq $48, %%mm3 \n" /* B2 R3 -- -- -- -- -- -- */\
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"pand "MANGLE(mask0010)", %%mm0 \n" /* -- -- -- -- G1 B1 -- -- */\
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"psllq $32, %%mm5 \n" /* -- -- -- -- R4 G4 B4 R5 */\
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"pand "MANGLE(mask1001)", %%mm2 \n" /* G5 B5 -- -- -- -- G7 B7 */\
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"por %%mm3, %%mm1 \n"\
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"por %%mm6, %%mm0 \n"\
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"por %%mm5, %%mm1 \n"\
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"por %%mm7, %%mm2 \n"\
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MOVNTQ" %%mm0, (%1) \n"\
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MOVNTQ" %%mm1, 8(%1) \n"\
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MOVNTQ" %%mm2, 16(%1) \n"\
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#else
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#undef RGB_PACK24_B
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#define RGB_PACK24_B\
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"movd %%mm3, (%1) \n" /* R0 G0 B0 R1 */\
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"movd %%mm2, 4(%1) \n" /* G1 B1 */\
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"psrlq $32, %%mm3 \n"\
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"psrlq $16, %%mm2 \n"\
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"movd %%mm3, 6(%1) \n" /* R2 G2 B2 R3 */\
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"movd %%mm2, 10(%1) \n" /* G3 B3 */\
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"psrlq $16, %%mm2 \n"\
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"movd %%mm5, 12(%1) \n" /* R4 G4 B4 R5 */\
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"movd %%mm2, 16(%1) \n" /* G5 B5 */\
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"psrlq $32, %%mm5 \n"\
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"movd %%mm2, 20(%1) \n" /* -- -- G7 B7 */\
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"movd %%mm5, 18(%1) \n" /* R6 G6 B6 R7 */\
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#endif
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static inline int RENAME(yuv420_rgb24)(SwsContext *c, const uint8_t *src[],
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int srcStride[],
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@ -387,6 +382,7 @@ static inline int RENAME(yuv420_rgb32)(SwsContext *c, const uint8_t *src[],
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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SET_EMPTY_ALPHA
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RGB_PACK32(REG_RED, REG_GREEN, REG_BLUE, REG_ALPHA)
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@ -408,6 +404,7 @@ static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t *src[],
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const uint8_t *pa = src[3] + y * srcStride[3];
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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LOAD_ALPHA
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RGB_PACK32(REG_RED, REG_GREEN, REG_BLUE, REG_ALPHA)
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@ -428,6 +425,7 @@ static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t *src[],
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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SET_EMPTY_ALPHA
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RGB_PACK32(REG_BLUE, REG_GREEN, REG_RED, REG_ALPHA)
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@ -449,6 +447,7 @@ static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t *src[],
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const uint8_t *pa = src[3] + y * srcStride[3];
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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LOAD_ALPHA
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RGB_PACK32(REG_BLUE, REG_GREEN, REG_RED, REG_ALPHA)
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