[Mplayer-cvslog] CVS: main/libvo mga_common.c,1.15,1.16
Michael Niedermayer
michael at mplayer.dev.hu
Fri Nov 2 04:18:09 CET 2001
Update of /cvsroot/mplayer/main/libvo
In directory mplayer:/var/tmp.root/cvs-serv7227
Modified Files:
mga_common.c
Log Message:
mmx opt ,untested, i have no mga
Index: mga_common.c
===================================================================
RCS file: /cvsroot/mplayer/main/libvo/mga_common.c,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -r1.15 -r1.16
--- mga_common.c 22 Aug 2001 21:34:27 -0000 1.15
+++ mga_common.c 2 Nov 2001 03:17:33 -0000 1.16
@@ -1,5 +1,6 @@
#include "fastmemcpy.h"
+#include "../mmx_defs.h"
// mga_vid drawing functions
@@ -57,15 +58,55 @@
src2 = image[2];
for(h=0; h < height; h++)
{
+#ifdef HAVE_MMX
+ asm(
+ "xorl %%eax, %%eax \n\t"
+ "1: \n\t"
+ PREFETCH" 64(%1, %%eax) \n\t"
+ PREFETCH" 64(%2, %%eax) \n\t"
+ "movq (%1, %%eax), %%mm0 \n\t"
+ "movq 8(%1, %%eax), %%mm2 \n\t"
+ "movq %%mm0, %%mm1 \n\t"
+ "movq %%mm2, %%mm3 \n\t"
+ "movq (%2, %%eax), %%mm4 \n\t"
+ "movq 8(%2, %%eax), %%mm5 \n\t"
+ "punpcklbw %%mm4, %%mm0 \n\t"
+ "punpckhbw %%mm4, %%mm1 \n\t"
+ "punpcklbw %%mm5, %%mm2 \n\t"
+ "punpckhbw %%mm5, %%mm3 \n\t"
+ MOVNTQ" %%mm0, (%0, %%eax, 2) \n\t"
+ MOVNTQ" %%mm1, 8(%0, %%eax, 2) \n\t"
+ MOVNTQ" %%mm2, 16(%0, %%eax, 2) \n\t"
+ MOVNTQ" %%mm3, 24(%0, %%eax, 2) \n\t"
+ "addl $16, %%eax \n\t"
+ "cmpl %3, %%eax \n\t"
+ " jb 1b \n\t"
+ ::"r"(dest), "r"(src), "r"(src2), "r" (width-15)
+ : "memory", "%eax"
+ );
+ for(w= (width&(~15)); w < width; w++)
+ {
+ dest[2*w+0] = src[w];
+ dest[2*w+1] = src2[w];
+ }
+#else
for(w=0; w < width; w++)
{
dest[2*w+0] = src[w];
dest[2*w+1] = src2[w];
}
+#endif
dest += bespitch;
src += stride[1];
src2+= stride[2];
}
+#ifdef HAVE_MMX
+ asm(
+ EMMS" \n\t"
+ SFENCE" \n\t"
+ ::: "memory"
+ );
+#endif
}
static void
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