From d8fa3c549707e3595570481b923fb6c35a4c15dc Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 6 Nov 2001 18:42:22 +0000 Subject: better dithering Originally committed as revision 2749 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc --- postproc/swscale_template.c | 85 +++++++++++++++++++++++---------------------- 1 file changed, 43 insertions(+), 42 deletions(-) (limited to 'postproc/swscale_template.c') diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c index ca219702cf..8ea2396c70 100644 --- a/postproc/swscale_template.c +++ b/postproc/swscale_template.c @@ -71,12 +71,18 @@ static uint64_t __attribute__((aligned(8))) bm00001111=0x00000000FFFFFFFFLL; static uint64_t __attribute__((aligned(8))) bm00000111=0x0000000000FFFFFFLL; static uint64_t __attribute__((aligned(8))) bm11111000=0xFFFFFFFFFF000000LL; -static uint64_t __attribute__((aligned(8))) b16Dither= 0x0004000400040004LL; -static uint64_t __attribute__((aligned(8))) b16Dither1=0x0004000400040004LL; -static uint64_t __attribute__((aligned(8))) b16Dither2=0x0602060206020602LL; -static uint64_t __attribute__((aligned(8))) g16Dither= 0x0002000200020002LL; -static uint64_t __attribute__((aligned(8))) g16Dither1=0x0002000200020002LL; -static uint64_t __attribute__((aligned(8))) g16Dither2=0x0301030103010301LL; +static uint64_t __attribute__((aligned(8))) b5Dither; +static uint64_t __attribute__((aligned(8))) g5Dither; +static uint64_t __attribute__((aligned(8))) g6Dither; +static uint64_t __attribute__((aligned(8))) r5Dither; + +static uint64_t __attribute__((aligned(8))) dither4[2]={ + 0x0103010301030103LL, + 0x0200020002000200LL,}; + +static uint64_t __attribute__((aligned(8))) dither8[2]={ + 0x0602060206020602LL, + 0x0004000400040004LL,}; static uint64_t __attribute__((aligned(8))) b16Mask= 0x001F001F001F001FLL; static uint64_t __attribute__((aligned(8))) g16Mask= 0x07E007E007E007E0LL; @@ -597,8 +603,7 @@ static int canMMX2BeUsed=0; void in_asm_used_var_warning_killer() { int i= yCoeff+vrCoeff+ubCoeff+vgCoeff+ugCoeff+bF8+bFC+w400+w80+w10+ - bm00001111+bm00000111+bm11111000+b16Dither+b16Dither1+b16Dither2+g16Dither+g16Dither1+ - g16Dither2+b16Mask+g16Mask+r16Mask+b15Mask+g15Mask+r15Mask+temp0+asm_yalpha1+ asm_uvalpha1+ + bm00001111+bm00000111+bm11111000+b16Mask+g16Mask+r16Mask+b15Mask+g15Mask+r15Mask+temp0+asm_yalpha1+ asm_uvalpha1+ M24A+M24B+M24C; if(i) i=0; } @@ -723,9 +728,9 @@ FULL_YSCALEYUV2RGB FULL_YSCALEYUV2RGB #ifdef DITHER1XBPP - "paddusb b16Dither, %%mm1 \n\t" - "paddusb b16Dither, %%mm0 \n\t" - "paddusb b16Dither, %%mm3 \n\t" + "paddusb g5Dither, %%mm1 \n\t" + "paddusb r5Dither, %%mm0 \n\t" + "paddusb b5Dither, %%mm3 \n\t" #endif "punpcklbw %%mm7, %%mm1 \n\t" // 0G0G0G0G "punpcklbw %%mm7, %%mm3 \n\t" // 0B0B0B0B @@ -757,9 +762,9 @@ FULL_YSCALEYUV2RGB FULL_YSCALEYUV2RGB #ifdef DITHER1XBPP - "paddusb g16Dither, %%mm1 \n\t" - "paddusb b16Dither, %%mm0 \n\t" - "paddusb b16Dither, %%mm3 \n\t" + "paddusb g6Dither, %%mm1 \n\t" + "paddusb r5Dither, %%mm0 \n\t" + "paddusb b5Dither, %%mm3 \n\t" #endif "punpcklbw %%mm7, %%mm1 \n\t" // 0G0G0G0G "punpcklbw %%mm7, %%mm3 \n\t" // 0B0B0B0B @@ -866,9 +871,9 @@ FULL_YSCALEYUV2RGB YSCALEYUV2RGB /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP - "paddusb b16Dither, %%mm2 \n\t" - "paddusb b16Dither, %%mm4 \n\t" - "paddusb b16Dither, %%mm5 \n\t" + "paddusb b5Dither, %%mm2 \n\t" + "paddusb g5Dither, %%mm4 \n\t" + "paddusb r5Dither, %%mm5 \n\t" #endif WRITEBGR15 @@ -884,9 +889,9 @@ FULL_YSCALEYUV2RGB YSCALEYUV2RGB /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP - "paddusb g16Dither, %%mm2 \n\t" - "paddusb b16Dither, %%mm4 \n\t" - "paddusb b16Dither, %%mm5 \n\t" + "paddusb b5Dither, %%mm2 \n\t" + "paddusb g6Dither, %%mm4 \n\t" + "paddusb r5Dither, %%mm5 \n\t" #endif WRITEBGR16 @@ -1048,9 +1053,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui YSCALEYUV2RGB1 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP - "paddusb b16Dither, %%mm2 \n\t" - "paddusb b16Dither, %%mm4 \n\t" - "paddusb b16Dither, %%mm5 \n\t" + "paddusb b5Dither, %%mm2 \n\t" + "paddusb g5Dither, %%mm4 \n\t" + "paddusb r5Dither, %%mm5 \n\t" #endif WRITEBGR15 :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw), @@ -1064,9 +1069,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui YSCALEYUV2RGB1 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP - "paddusb g16Dither, %%mm2 \n\t" - "paddusb b16Dither, %%mm4 \n\t" - "paddusb b16Dither, %%mm5 \n\t" + "paddusb b5Dither, %%mm2 \n\t" + "paddusb g6Dither, %%mm4 \n\t" + "paddusb r5Dither, %%mm5 \n\t" #endif WRITEBGR16 @@ -1105,9 +1110,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui YSCALEYUV2RGB1b /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP - "paddusb b16Dither, %%mm2 \n\t" - "paddusb b16Dither, %%mm4 \n\t" - "paddusb b16Dither, %%mm5 \n\t" + "paddusb b5Dither, %%mm2 \n\t" + "paddusb g5Dither, %%mm4 \n\t" + "paddusb r5Dither, %%mm5 \n\t" #endif WRITEBGR15 :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw), @@ -1121,9 +1126,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui YSCALEYUV2RGB1b /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ #ifdef DITHER1XBPP - "paddusb g16Dither, %%mm2 \n\t" - "paddusb b16Dither, %%mm4 \n\t" - "paddusb b16Dither, %%mm5 \n\t" + "paddusb b5Dither, %%mm2 \n\t" + "paddusb g6Dither, %%mm4 \n\t" + "paddusb r5Dither, %%mm5 \n\t" #endif WRITEBGR16 @@ -1768,6 +1773,12 @@ else s_xinc2= s_xinc; // the min() is required to avoid reuseing lines which where not available s_last_y1pos= MIN(y1, y/2+h/2-1); } +#ifdef HAVE_MMX + b5Dither= dither8[s_ypos&1]; + g6Dither= dither4[s_ypos&1]; + g5Dither= dither8[s_ypos&1]; + r5Dither= dither8[(s_ypos+1)&1]; +#endif if(dstbpp==12) //YV12 yuv2yuv(buf0, buf1, uvbuf0, uvbuf1, dest, uDest, vDest, dstw, yalpha, uvalpha); @@ -1775,16 +1786,6 @@ else s_xinc2= s_xinc; yuv2rgb1(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp); else yuv2rgbX(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp); - -#ifdef HAVE_MMX - b16Dither= b16Dither1; - b16Dither1= b16Dither2; - b16Dither2= b16Dither; - - g16Dither= g16Dither1; - g16Dither1= g16Dither2; - g16Dither2= g16Dither; -#endif } #ifdef HAVE_MMX -- cgit v1.2.3