---
libavfilter/x86/vf_blend.asm | 30 ++++++++++++++++++++++++++++++
libavfilter/x86/vf_blend_init.c | 2 ++
2 files changed, 32 insertions(+)
diff --git a/libavfilter/x86/vf_blend.asm b/libavfilter/x86/vf_blend.asm
index a5ea74c..303ea3a 100644
--- a/libavfilter/x86/vf_blend.asm
+++ b/libavfilter/x86/vf_blend.asm
@@ -24,6 +24,7 @@
SECTION_RODATA
+ps_255: times 4 dd 255.0
pw_1: times 8 dw 1
pw_128: times 8 dw 128
pw_255: times 8 dw 255
@@ -219,6 +220,35 @@ BLEND_INIT hardmix, 5
jl .loop
BLEND_END
+BLEND_INIT divide, 4
+ pxor m2, m2
+ mova m3, [ps_255]
+.nextrow:
+ mov xq, widthq
+
+ .loop:
+ movd m0, [topq + xq] ; 000000xx
+ movd m1, [bottomq + xq]
+ punpcklbw m0, m2 ; 00000x0x
+ punpcklbw m1, m2
+ punpcklwd m0, m2 ; 000x000x
+ punpcklwd m1, m2
+
+ cvtdq2ps m0, m0
+ cvtdq2ps m1, m1
+ divps m0, m1 ; a / b
+ mulps m0, m3 ; a / b * 255
+ minps m0, m3
+ cvttps2dq m0, m0
+
+ packssdw m0, m0 ; 00000x0x
+ packuswb m0, m0 ; 000000xx
+ movd [dstq + xq], m0
+ add xq, mmsize / 4
+
+ jl .loop
+BLEND_END
+
BLEND_INIT phoenix, 4
mova m3, [pb_255]
.nextrow:
diff --git a/libavfilter/x86/vf_blend_init.c b/libavfilter/x86/vf_blend_init.c
index a6baf94..677e759 100644
--- a/libavfilter/x86/vf_blend_init.c
+++ b/libavfilter/x86/vf_blend_init.c
@@ -39,6 +39,7 @@ BLEND_FUNC(difference128, sse2)
BLEND_FUNC(multiply, sse2)
BLEND_FUNC(screen, sse2)
BLEND_FUNC(hardmix, sse2)
+BLEND_FUNC(divide, sse2)
BLEND_FUNC(lighten, sse2)
BLEND_FUNC(or, sse2)
BLEND_FUNC(phoenix, sse2)
@@ -61,6 +62,7 @@ av_cold void ff_blend_init_x86(FilterParams *param, int
is_16bit)
case BLEND_AVERAGE: param->blend = ff_blend_average_sse2; break;
case BLEND_DARKEN: param->blend = ff_blend_darken_sse2; break;
case BLEND_DIFFERENCE128: param->blend = ff_blend_difference128_sse2;
break;
+ case BLEND_DIVIDE: param->blend = ff_blend_divide_sse2; break;
case BLEND_HARDMIX: param->blend = ff_blend_hardmix_sse2; break;
case BLEND_LIGHTEN: param->blend = ff_blend_lighten_sse2; break;
case BLEND_MULTIPLY: param->blend = ff_blend_multiply_sse2; break;
--
2.1.4
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