mirror of
https://github.com/mpv-player/mpv
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028ee068e4
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2579 b3059339-0415-0410-9bf9-f77b7e298cf2
255 lines
6.8 KiB
C
255 lines
6.8 KiB
C
// Generic alpha renderers for all YUV modes and RGB depths.
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// These are "reference implementations", should be optimized later (MMX, etc)
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//#define FAST_OSD
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//#define FAST_OSD_TABLE
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#include "config.h"
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#include "osd.h"
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void vo_draw_alpha_yv12(int w,int h, unsigned char* src, unsigned char *srca, int srcstride, unsigned char* dstbase,int dststride){
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int y;
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#ifdef FAST_OSD
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w=w>>1;
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#endif
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for(y=0;y<h;y++){
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register int x;
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for(x=0;x<w;x++){
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#ifdef FAST_OSD
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if(srca[2*x+0]) dstbase[2*x+0]=src[2*x+0];
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if(srca[2*x+1]) dstbase[2*x+1]=src[2*x+1];
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#else
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if(srca[x]) dstbase[x]=((dstbase[x]*srca[x])>>8)+src[x];
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#endif
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}
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src+=srcstride;
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srca+=srcstride;
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dstbase+=dststride;
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}
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return;
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}
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void vo_draw_alpha_yuy2(int w,int h, unsigned char* src, unsigned char *srca, int srcstride, unsigned char* dstbase,int dststride){
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int y;
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#ifdef FAST_OSD
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w=w>>1;
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#endif
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for(y=0;y<h;y++){
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register int x;
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for(x=0;x<w;x++){
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#ifdef FAST_OSD
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if(srca[2*x+0]) dstbase[4*x+0]=src[2*x+0];
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if(srca[2*x+1]) dstbase[4*x+2]=src[2*x+1];
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#else
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if(srca[x]) dstbase[2*x]=((dstbase[2*x]*srca[x])>>8)+src[x];
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#endif
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}
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src+=srcstride;
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srca+=srcstride;
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dstbase+=dststride;
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}
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return;
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}
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void vo_draw_alpha_rgb24(int w,int h, unsigned char* src, unsigned char *srca, int srcstride, unsigned char* dstbase,int dststride){
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int y;
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for(y=0;y<h;y++){
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register unsigned char *dst = dstbase;
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register int x;
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for(x=0;x<w;x++){
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if(srca[x]){
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#ifdef FAST_OSD
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dst[0]=dst[1]=dst[2]=src[x];
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#else
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dst[0]=((dst[0]*srca[x])>>8)+src[x];
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dst[1]=((dst[1]*srca[x])>>8)+src[x];
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dst[2]=((dst[2]*srca[x])>>8)+src[x];
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#endif
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}
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dst+=3; // 24bpp
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}
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src+=srcstride;
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srca+=srcstride;
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dstbase+=dststride;
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}
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return;
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}
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void vo_draw_alpha_rgb32(int w,int h, unsigned char* src, unsigned char *srca, int srcstride, unsigned char* dstbase,int dststride){
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int y;
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for(y=0;y<h;y++){
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register int x;
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// printf("%d, %d, %d\n", (int)src&31, (int)srca%31, (int)dstbase&31);
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#ifdef HAVE_MMXFIXME
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/* asm(
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"pxor %%mm7, %%mm7 \n\t"
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"xorl %%eax, %%eax \n\t"
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"pcmpeqb %%mm6, %%mm6 \n\t" // F..F
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"1: \n\t"
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"movq (%0, %%eax, 4), %%mm0 \n\t" // dstbase
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"movq %%mm0, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
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"movd (%1, %%eax), %%mm2 \n\t" // srca ABCD0000
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"paddb %%mm6, %%mm2 \n\t"
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"punpcklbw %%mm2, %%mm2 \n\t" // srca AABBCCDD
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"punpcklbw %%mm2, %%mm2 \n\t" // srca AAAABBBB
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"movq %%mm2, %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t" // srca 0A0A0A0A
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"punpckhbw %%mm7, %%mm3 \n\t" // srca 0B0B0B0B
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"pmullw %%mm2, %%mm0 \n\t"
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"pmullw %%mm3, %%mm1 \n\t"
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"psrlw $8, %%mm0 \n\t"
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"psrlw $8, %%mm1 \n\t"
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"packuswb %%mm1, %%mm0 \n\t"
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"movd (%2, %%eax), %%mm2 \n\t" // src ABCD0000
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"punpcklbw %%mm2, %%mm2 \n\t" // src AABBCCDD
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"punpcklbw %%mm2, %%mm2 \n\t" // src AAAABBBB
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"paddb %%mm2, %%mm0 \n\t"
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"movq %%mm0, (%0, %%eax, 4) \n\t"
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"addl $2, %%eax \n\t"
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"cmpl %3, %%eax \n\t"
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" jb 1b \n\t"
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:: "r" (dstbase), "r" (srca), "r" (src), "r" (w)
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: "%eax"
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);*/
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asm(
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"xorl %%eax, %%eax \n\t"
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"xorl %%ebx, %%ebx \n\t"
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"xorl %%edx, %%edx \n\t"
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"1: \n\t"
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"movb (%1, %%eax), %%bl \n\t"
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"cmpb $0, %%bl \n\t"
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" jz 2f \n\t"
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"movzxb (%2, %%eax), %%edx \n\t"
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"shll $8, %%edx \n\t"
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"decb %%bl \n\t"
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"movzxb (%0, %%eax, 4), %%ecx \n\t"
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"imull %%ebx, %%ecx \n\t"
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"addl %%edx, %%ecx \n\t"
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"movb %%ch, (%0, %%eax, 4) \n\t"
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"movzxb 1(%0, %%eax, 4), %%ecx \n\t"
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"imull %%ebx, %%ecx \n\t"
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"addl %%edx, %%ecx \n\t"
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"movb %%ch, 1(%0, %%eax, 4) \n\t"
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"movzxb 2(%0, %%eax, 4), %%ecx \n\t"
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"imull %%ebx, %%ecx \n\t"
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"addl %%edx, %%ecx \n\t"
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"movb %%ch, 2(%0, %%eax, 4) \n\t"
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"2: \n\t"
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"addl $1, %%eax \n\t"
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"cmpl %3, %%eax \n\t"
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" jb 1b \n\t"
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:: "r" (dstbase), "r" (srca), "r" (src), "m" (w)
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: "%eax", "%ebx", "%ecx", "%edx"
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);
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#else //HAVE_MMX
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for(x=0;x<w;x++){
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if(srca[x]){
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#ifdef FAST_OSD
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dstbase[4*x+0]=dstbase[4*x+1]=dstbase[4*x+2]=src[x];
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#else
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dstbase[4*x+0]=((dstbase[4*x+0]*srca[x])>>8)+src[x];
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dstbase[4*x+1]=((dstbase[4*x+1]*srca[x])>>8)+src[x];
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dstbase[4*x+2]=((dstbase[4*x+2]*srca[x])>>8)+src[x];
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#endif
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}
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}
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#endif // !HAVE_MMX
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src+=srcstride;
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srca+=srcstride;
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dstbase+=dststride;
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}
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#ifdef HAVE_3DNOW
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asm("femms\n\t");
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#elif defined (HAVE_MMX)
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asm("emms\n\t");
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#endif
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return;
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}
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#ifdef FAST_OSD_TABLE
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static unsigned short fast_osd_15bpp_table[256];
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static unsigned short fast_osd_16bpp_table[256];
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#endif
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void vo_draw_alpha_init(){
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#ifdef FAST_OSD_TABLE
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int i;
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for(i=0;i<256;i++){
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fast_osd_15bpp_table[i]=((i>>3)<<10)|((i>>3)<<5)|(i>>3);
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fast_osd_16bpp_table[i]=((i>>3)<<11)|((i>>2)<<5)|(i>>3);
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}
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#endif
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}
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void vo_draw_alpha_rgb15(int w,int h, unsigned char* src, unsigned char *srca, int srcstride, unsigned char* dstbase,int dststride){
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int y;
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for(y=0;y<h;y++){
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register unsigned short *dst = (unsigned short*) dstbase;
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register int x;
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for(x=0;x<w;x++){
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if(srca[x]){
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#ifdef FAST_OSD
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#ifdef FAST_OSD_TABLE
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dst[x]=fast_osd_15bpp_table[src[x]];
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#else
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register unsigned int a=src[x]>>3;
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dst[x]=(a<<10)|(a<<5)|a;
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#endif
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#else
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unsigned char r=dst[x]&0x1F;
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unsigned char g=(dst[x]>>5)&0x1F;
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unsigned char b=(dst[x]>>10)&0x1F;
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r=(((r*srca[x])>>5)+src[x])>>3;
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g=(((g*srca[x])>>5)+src[x])>>3;
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b=(((b*srca[x])>>5)+src[x])>>3;
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dst[x]=(b<<10)|(g<<5)|r;
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#endif
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}
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}
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src+=srcstride;
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srca+=srcstride;
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dstbase+=dststride;
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}
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return;
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}
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void vo_draw_alpha_rgb16(int w,int h, unsigned char* src, unsigned char *srca, int srcstride, unsigned char* dstbase,int dststride){
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int y;
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for(y=0;y<h;y++){
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register unsigned short *dst = (unsigned short*) dstbase;
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register int x;
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for(x=0;x<w;x++){
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if(srca[x]){
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#ifdef FAST_OSD
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#ifdef FAST_OSD_TABLE
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dst[x]=fast_osd_16bpp_table[src[x]];
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#else
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dst[x]=((src[x]>>3)<<11)|((src[x]>>2)<<5)|(src[x]>>3);
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#endif
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#else
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unsigned char r=dst[x]&0x1F;
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unsigned char g=(dst[x]>>5)&0x3F;
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unsigned char b=(dst[x]>>11)&0x1F;
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r=(((r*srca[x])>>5)+src[x])>>3;
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g=(((g*srca[x])>>6)+src[x])>>2;
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b=(((b*srca[x])>>5)+src[x])>>3;
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dst[x]=(b<<11)|(g<<5)|r;
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#endif
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}
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}
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src+=srcstride;
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srca+=srcstride;
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dstbase+=dststride;
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}
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return;
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}
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