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Port ARGBShade to Mac

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BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/679009

git-svn-id: http://libyuv.googlecode.com/svn/trunk@299 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-07-11 19:12:32 +00:00
parent c4c578e327
commit 6398e1d4eb
4 changed files with 40 additions and 3 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 298
Version: 299
License: BSD
License File: LICENSE

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 298
#define LIBYUV_VERSION 299
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

2
source/row.h
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@ -80,12 +80,12 @@ extern "C" {
#define HAS_ARGBQUANTIZEROW_SSE2
#define HAS_COMPUTECUMULATIVESUMROW_SSE2
#define HAS_CUMULATIVESUMTOAVERAGE_SSE2
#define HAS_ARGBSHADE_SSE2
#endif
// The following are Windows only:
#if !defined(YUV_DISABLE_ASM) && defined(_M_IX86)
#define HAS_ARGBCOLORTABLEROW_X86
#define HAS_ARGBSHADE_SSE2
#endif
// The following are disabled when SSSE3 is available:

37
source/row_posix.cc
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@ -3178,7 +3178,44 @@ void CumulativeSumToAverage_SSE2(const int32* topleft, const int32* botleft,
);
}
#endif // HAS_CUMULATIVESUMTOAVERAGE_SSE2
#ifdef HAS_ARGBSHADE_SSE2
// Shade 4 pixels at a time by specified value.
// Aligned to 16 bytes.
void ARGBShadeRow_SSE2(const uint8* src_argb, uint8* dst_argb, int width,
uint32 value) {
asm volatile (
"movd %3,%%xmm2 \n"
"sub %0,%1 \n"
"punpcklbw %%xmm2,%%xmm2 \n"
"punpcklqdq %%xmm2,%%xmm2 \n"
// 4 pixel loop.
".p2align 2 \n"
"1: \n"
"movdqa (%0),%%xmm0 \n"
"movdqa %%xmm0,%%xmm1 \n"
"punpcklbw %%xmm0,%%xmm0 \n"
"punpckhbw %%xmm1,%%xmm1 \n"
"pmulhuw %%xmm2,%%xmm0 \n"
"pmulhuw %%xmm2,%%xmm1 \n"
"psrlw $0x8,%%xmm0 \n"
"psrlw $0x8,%%xmm1 \n"
"packuswb %%xmm1,%%xmm0 \n"
"sub $0x4,%2 \n"
"movdqa %%xmm0,(%0,%1,1) \n"
"lea 0x10(%0),%0 \n"
"jg 1b \n"
: "+r"(src_argb), // %0
"+r"(dst_argb), // %1
"+r"(width) // %2
: "r"(value) // %3
: "memory", "cc"
#if defined(__SSE2__)
, "xmm0", "xmm1", "xmm2"
#endif
);
}
#endif // HAS_ARGBSHADE_SSE2
#endif // defined(__x86_64__) || defined(__i386__)