coffee/libyuv
1
0
Fork 0
mirror of https://chromium.googlesource.com/libyuv/libyuv synced 2026-01-01 03:12:16 +08:00
Code Issues Packages Projects Releases Wiki Activity

Luma Table optimized for SSSE3

Browse Source 
BUG=267
TESTED=lUMA unittest
R=jingning@google.com, nfullagar@google.com

Review URL: https://webrtc-codereview.appspot.com/2257004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@793 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2013-09-19 17:55:54 +00:00
parent 823548cb3b
commit 7a0d01ef8b
5 changed files with 85 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
README.chromium
View File

@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 792
Version: 793
License: BSD
License File: LICENSE

3
include/libyuv/row.h
View File

@ -146,8 +146,7 @@ extern "C" {
// TODO(fbarchard): Port to gcc.
#if !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
// Effects:
// SSSE3 version incomplete:
// #define HAS_ARGBLUMACOLORTABLEROW_SSSE3
#define HAS_ARGBLUMACOLORTABLEROW_SSSE3
// Caveat: Visual C 2012 required for AVX2.
#if _MSC_VER >= 1700

2
include/libyuv/version.h
View File

@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 792
#define LIBYUV_VERSION 793
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

2
source/planar_functions.cc
View File

@ -2090,7 +2090,7 @@ int ARGBLumaColorTable(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, const uint8* luma,
int width) = ARGBLumaColorTableRow_C;
#if defined(HAS_ARGBLUMACOLORTABLEROW_SSSE3)
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 2)) {
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4)) {
ARGBLumaColorTableRow = ARGBLumaColorTableRow_SSSE3;
}
#endif

81
source/row_win.cc
View File

@ -5092,6 +5092,20 @@ void ARGBColorMatrixRow_SSSE3(uint8* dst_argb, const int8* matrix_argb,
#endif // HAS_ARGBCOLORMATRIXROW_SSSE3
#ifdef HAS_ARGBCOLORTABLEROW_X86
static uvec8 kMaskB = {
255, 0, 0, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255, 0, 0, 0,
};
static uvec8 kMaskG = {
0, 255, 0, 0, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255, 0, 0,
};
static uvec8 kMaskR = {
0, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255, 0,
};
static uvec8 kMaskA = {
0, 0, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255, 0, 0, 0, 255,
};
// Tranform ARGB pixels with color table.
__declspec(naked) __declspec(align(16))
void ARGBColorTableRow_X86(uint8* dst_argb, const uint8* table_argb,
@ -6844,6 +6858,73 @@ void ARGBPolynomialRow_AVX2(const uint8* src_argb,
}
#endif // HAS_ARGBPOLYNOMIALROW_AVX2
// RGB to Luminance.
// Leverage the fact that we want shifted left by 8 by the caller.
//
// Borrowed from libyuv/files/source/row_common.cc.
// JPeg 7 bit Y:
// b 0.11400 * 128 = 14.592 = 15
// g 0.58700 * 128 = 75.136 = 75
// r 0.29900 * 128 = 38.272 = 38
// Convert 16 ARGB pixels (64 bytes) to 16 Y values.
__declspec(naked) __declspec(align(16))
void ARGBToYJx4_SSSE3(const uint8* src_argb, const uint8* luma, uint8** lut) {
__asm {
mov eax, [esp + 4] /* src_argb */
movdqa xmm0, [eax]
pmaddubsw xmm0, kARGBToYJ
movd xmm1, [esp + 8] /* luma */
mov edx, [esp + 12] /* lut */
phaddw xmm0, xmm0
pshufd xmm1, xmm1, 0
pxor xmm2, xmm2
psrlw xmm0, 8
psllw xmm0, 8 // 0y0y0y0y
punpcklwd xmm0, xmm2 // 000y000y000y000y
paddd xmm0, xmm1 // lum0lum1lum2lum3
movdqa [edx], xmm0
ret
}
}
void ARGBLumaColorTableRow_SSSE3(const uint8* src_argb,
uint8* dst_argb, const uint8* luma,
int width) {
SIMD_ALIGNED(uint8* lut4[4]);
ARGBToYJx4_SSSE3(src_argb, luma, lut4);
for (int i = 0; i < width - 3; i += 4) {
// Luminance in rows, color values in columns.
const uint8* luma0 = lut4[0];
dst_argb[0] = luma0[src_argb[0]];
dst_argb[1] = luma0[src_argb[1]];
dst_argb[2] = luma0[src_argb[2]];
dst_argb[3] = src_argb[3];
luma0 = lut4[1];
dst_argb[4] = luma0[src_argb[4]];
dst_argb[5] = luma0[src_argb[5]];
dst_argb[6] = luma0[src_argb[6]];
dst_argb[7] = src_argb[7];
luma0 = lut4[2];
dst_argb[8] = luma0[src_argb[8]];
dst_argb[9] = luma0[src_argb[9]];
dst_argb[10] = luma0[src_argb[10]];
dst_argb[11] = src_argb[11];
luma0 = lut4[3];
dst_argb[12] = luma0[src_argb[12]];
dst_argb[13] = luma0[src_argb[13]];
dst_argb[14] = luma0[src_argb[14]];
dst_argb[15] = src_argb[15];
src_argb += 16;
dst_argb += 16;
}
}
#endif // !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
#ifdef __cplusplus