diff options
| author | Sebastian Dröge <sebastian.droege@collabora.co.uk> | 2009-12-16 06:59:01 +0100 |
|---|---|---|
| committer | Sebastian Dröge <sebastian.droege@collabora.co.uk> | 2009-12-16 06:59:01 +0100 |
| commit | 9e45038d8d15db29deed5265fab7b37ae8971de1 (patch) | |
| tree | 2a2b8b78c8a4c38a7f406f5d01056a64d8d89f4d | |
| parent | c26ccb97223d1d1193ef2e92ce73a9b1c104ef8c (diff) | |
videomixer: src/dest are input and output of the AYUV blending MMX assembler
| -rw-r--r-- | gst/videomixer/blend_ayuv.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/gst/videomixer/blend_ayuv.c b/gst/videomixer/blend_ayuv.c index 17d63d5c8..09953b14f 100644 --- a/gst/videomixer/blend_ayuv.c +++ b/gst/videomixer/blend_ayuv.c @@ -290,12 +290,12 @@ gst_videomixer_blend_ayuv_ayuv_mmx (guint8 * src, gint xpos, gint ypos, "psrlq $56 , %%mm5 \n\t" /* mm5 = 0x0...0ff */ "xor %%ecx , %%ecx \n\t" /* ecx = 0 */ "1: \n\t" - "movzxb (%0) , %%eax \n\t" /* eax == source alpha */ - "imul %2 , %%eax \n\t" /* eax = source alpha * alpha */ + "movzxb (%2) , %%eax \n\t" /* eax == source alpha */ + "imul %4 , %%eax \n\t" /* eax = source alpha * alpha */ "sar $8 , %%eax \n\t" /* eax = (source alpha * alpha) / 256 */ "movd %%eax , %%mm0 \n\t" /* mm0 = apply alpha */ - "movd (%0) , %%mm2 \n\t" /* mm2 = src */ - "movd (%1) , %%mm1 \n\t" /* mm1 = dest */ + "movd (%2) , %%mm2 \n\t" /* mm2 = src */ + "movd (%3) , %%mm1 \n\t" /* mm1 = dest */ "punpcklwd %%mm0 , %%mm0 \n\t" "punpckldq %%mm0 , %%mm0 \n\t" /* mm0 == 0a 0a 0a 0a */ "punpcklbw %%mm7 , %%mm1 \n\t" /* mm1 == dv du dy da */ @@ -307,14 +307,14 @@ gst_videomixer_blend_ayuv_ayuv_mmx (guint8 * src, gint xpos, gint ypos, "psrlw $8 , %%mm1 \n\t" "packuswb %%mm7 , %%mm1 \n\t" "por %%mm5 , %%mm1 \n\t" /* mm1 = 0x.....ff */ - "movd %%mm1 , (%1) \n\t" /* dest = mm1 */ + "movd %%mm1 , (%3) \n\t" /* dest = mm1 */ "add $4 , %1 \n\t" "add $4 , %0 \n\t" "add $1 , %%ecx \n\t" - "cmp %%ecx , %3 \n\t" + "cmp %%ecx , %5 \n\t" "jne 1b" - : /* no output */ - :"r" (src), "r" (dest), "r" (b_alpha), "r" (src_width) + :"=r" (src), "=r" (dest) + :"0" (src), "1" (dest), "r" (b_alpha), "r" (src_width) :"%eax", "%ecx", "memory" #ifdef __MMX__ , "mm0", "mm1", "mm2", "mm5", "mm6", "mm7" |