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authorJuan Linietsky <reduzio@gmail.com>2014-02-09 22:10:30 -0300
committerJuan Linietsky <reduzio@gmail.com>2014-02-09 22:10:30 -0300
commit0b806ee0fc9097fa7bda7ac0109191c9c5e0a1ac (patch)
tree276c4d099e178eb67fbd14f61d77b05e3808e9e3 /drivers/theora/x86_vc/mmxfrag.h
parent0e49da1687bc8192ed210947da52c9e5c5f301bb (diff)
GODOT IS OPEN SOURCE
Diffstat (limited to 'drivers/theora/x86_vc/mmxfrag.h')
-rw-r--r--drivers/theora/x86_vc/mmxfrag.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/theora/x86_vc/mmxfrag.h b/drivers/theora/x86_vc/mmxfrag.h
new file mode 100644
index 0000000000..45ee93e777
--- /dev/null
+++ b/drivers/theora/x86_vc/mmxfrag.h
@@ -0,0 +1,61 @@
+#if !defined(_x86_vc_mmxfrag_H)
+# define _x86_vc_mmxfrag_H (1)
+# include <stddef.h>
+# include "x86int.h"
+
+#if defined(OC_X86_ASM)
+
+/*Copies an 8x8 block of pixels from _src to _dst, assuming _ystride bytes
+ between rows.*/
+#define OC_FRAG_COPY_MMX(_dst,_src,_ystride) \
+ do{ \
+ const unsigned char *src; \
+ unsigned char *dst; \
+ src=(_src); \
+ dst=(_dst); \
+ __asm mov SRC,src \
+ __asm mov DST,dst \
+ __asm mov YSTRIDE,_ystride \
+ /*src+0*ystride*/ \
+ __asm movq mm0,[SRC] \
+ /*src+1*ystride*/ \
+ __asm movq mm1,[SRC+YSTRIDE] \
+ /*ystride3=ystride*3*/ \
+ __asm lea YSTRIDE3,[YSTRIDE+YSTRIDE*2] \
+ /*src+2*ystride*/ \
+ __asm movq mm2,[SRC+YSTRIDE*2] \
+ /*src+3*ystride*/ \
+ __asm movq mm3,[SRC+YSTRIDE3] \
+ /*dst+0*ystride*/ \
+ __asm movq [DST],mm0 \
+ /*dst+1*ystride*/ \
+ __asm movq [DST+YSTRIDE],mm1 \
+ /*Pointer to next 4.*/ \
+ __asm lea SRC,[SRC+YSTRIDE*4] \
+ /*dst+2*ystride*/ \
+ __asm movq [DST+YSTRIDE*2],mm2 \
+ /*dst+3*ystride*/ \
+ __asm movq [DST+YSTRIDE3],mm3 \
+ /*Pointer to next 4.*/ \
+ __asm lea DST,[DST+YSTRIDE*4] \
+ /*src+0*ystride*/ \
+ __asm movq mm0,[SRC] \
+ /*src+1*ystride*/ \
+ __asm movq mm1,[SRC+YSTRIDE] \
+ /*src+2*ystride*/ \
+ __asm movq mm2,[SRC+YSTRIDE*2] \
+ /*src+3*ystride*/ \
+ __asm movq mm3,[SRC+YSTRIDE3] \
+ /*dst+0*ystride*/ \
+ __asm movq [DST],mm0 \
+ /*dst+1*ystride*/ \
+ __asm movq [DST+YSTRIDE],mm1 \
+ /*dst+2*ystride*/ \
+ __asm movq [DST+YSTRIDE*2],mm2 \
+ /*dst+3*ystride*/ \
+ __asm movq [DST+YSTRIDE3],mm3 \
+ } \
+ while(0)
+
+# endif
+#endif