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Remove alignment from ARGBToRGB24 and ARGBToRAW to allow fast code to be used all of the time. Improves performance on Westmere and beyond, hurts performance for aligned buffers on older CPUs.

Browse Source 
BUG=230
TESTED=try bot
R=nfullagar@google.com

Review URL: https://webrtc-codereview.appspot.com/2197007

git-svn-id: http://libyuv.googlecode.com/svn/trunk@785 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2013-09-11 01:18:36 +00:00
parent 1390aaf69a
commit 7e7c7753ba
5 changed files with 32 additions and 36 deletions
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2
README.chromium
View File

@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 784
Version: 785
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 784
#define LIBYUV_VERSION 785
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

8
source/convert_from_argb.cc
View File

@ -744,9 +744,7 @@ int ARGBToRGB24(const uint8* src_argb, int src_stride_argb,
void (*ARGBToRGB24Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToRGB24Row_C;
#if defined(HAS_ARGBTORGB24ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16 &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
IS_ALIGNED(dst_rgb24, 16) && IS_ALIGNED(dst_stride_rgb24, 16)) {
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
ARGBToRGB24Row = ARGBToRGB24Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToRGB24Row = ARGBToRGB24Row_SSSE3;
@ -792,9 +790,7 @@ int ARGBToRAW(const uint8* src_argb, int src_stride_argb,
void (*ARGBToRAWRow)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToRAWRow_C;
#if defined(HAS_ARGBTORAWROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16 &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
IS_ALIGNED(dst_raw, 16) && IS_ALIGNED(dst_stride_raw, 16)) {
if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
ARGBToRAWRow = ARGBToRAWRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToRAWRow = ARGBToRAWRow_SSSE3;

28
source/row_posix.cc
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@ -569,10 +569,10 @@ void ARGBToRGB24Row_SSSE3(const uint8* src, uint8* dst, int pix) {
"movdqa %3,%%xmm6 \n"
".p2align 4 \n"
"1: \n"
"movdqa (%0),%%xmm0 \n"
"movdqa 0x10(%0),%%xmm1 \n"
"movdqa 0x20(%0),%%xmm2 \n"
"movdqa 0x30(%0),%%xmm3 \n"
"movdqu (%0),%%xmm0 \n"
"movdqu 0x10(%0),%%xmm1 \n"
"movdqu 0x20(%0),%%xmm2 \n"
"movdqu 0x30(%0),%%xmm3 \n"
"lea 0x40(%0),%0 \n"
"pshufb %%xmm6,%%xmm0 \n"
"pshufb %%xmm6,%%xmm1 \n"
@ -584,13 +584,13 @@ void ARGBToRGB24Row_SSSE3(const uint8* src, uint8* dst, int pix) {
"movdqa %%xmm2,%%xmm5 \n"
"por %%xmm4,%%xmm0 \n"
"pslldq $0x8,%%xmm5 \n"
"movdqa %%xmm0,(%1) \n"
"movdqu %%xmm0,(%1) \n"
"por %%xmm5,%%xmm1 \n"
"psrldq $0x8,%%xmm2 \n"
"pslldq $0x4,%%xmm3 \n"
"por %%xmm3,%%xmm2 \n"
"movdqa %%xmm1,0x10(%1) \n"
"movdqa %%xmm2,0x20(%1) \n"
"movdqu %%xmm1,0x10(%1) \n"
"movdqu %%xmm2,0x20(%1) \n"
"lea 0x30(%1),%1 \n"
"sub $0x10,%2 \n"
"jg 1b \n"
@ -610,10 +610,10 @@ void ARGBToRAWRow_SSSE3(const uint8* src, uint8* dst, int pix) {
"movdqa %3,%%xmm6 \n"
".p2align 4 \n"
"1: \n"
"movdqa (%0),%%xmm0 \n"
"movdqa 0x10(%0),%%xmm1 \n"
"movdqa 0x20(%0),%%xmm2 \n"
"movdqa 0x30(%0),%%xmm3 \n"
"movdqu (%0),%%xmm0 \n"
"movdqu 0x10(%0),%%xmm1 \n"
"movdqu 0x20(%0),%%xmm2 \n"
"movdqu 0x30(%0),%%xmm3 \n"
"lea 0x40(%0),%0 \n"
"pshufb %%xmm6,%%xmm0 \n"
"pshufb %%xmm6,%%xmm1 \n"
@ -625,13 +625,13 @@ void ARGBToRAWRow_SSSE3(const uint8* src, uint8* dst, int pix) {
"movdqa %%xmm2,%%xmm5 \n"
"por %%xmm4,%%xmm0 \n"
"pslldq $0x8,%%xmm5 \n"
"movdqa %%xmm0,(%1) \n"
"movdqu %%xmm0,(%1) \n"
"por %%xmm5,%%xmm1 \n"
"psrldq $0x8,%%xmm2 \n"
"pslldq $0x4,%%xmm3 \n"
"por %%xmm3,%%xmm2 \n"
"movdqa %%xmm1,0x10(%1) \n"
"movdqa %%xmm2,0x20(%1) \n"
"movdqu %%xmm1,0x10(%1) \n"
"movdqu %%xmm2,0x20(%1) \n"
"lea 0x30(%1),%1 \n"
"sub $0x10,%2 \n"
"jg 1b \n"

28
source/row_win.cc
View File

@ -479,10 +479,10 @@ void ARGBToRGB24Row_SSSE3(const uint8* src_argb, uint8* dst_rgb, int pix) {
align 16
convertloop:
movdqa xmm0, [eax] // fetch 16 pixels of argb
movdqa xmm1, [eax + 16]
movdqa xmm2, [eax + 32]
movdqa xmm3, [eax + 48]
movdqu xmm0, [eax] // fetch 16 pixels of argb
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
lea eax, [eax + 64]
pshufb xmm0, xmm6 // pack 16 bytes of ARGB to 12 bytes of RGB
pshufb xmm1, xmm6
@ -494,13 +494,13 @@ void ARGBToRGB24Row_SSSE3(const uint8* src_argb, uint8* dst_rgb, int pix) {
movdqa xmm5, xmm2 // 8 bytes from 2 for 1
por xmm0, xmm4 // 4 bytes from 1 for 0
pslldq xmm5, 8 // 8 bytes from 2 for 1
movdqa [edx], xmm0 // store 0
movdqu [edx], xmm0 // store 0
por xmm1, xmm5 // 8 bytes from 2 for 1
psrldq xmm2, 8 // 4 bytes from 2
pslldq xmm3, 4 // 12 bytes from 3 for 2
por xmm2, xmm3 // 12 bytes from 3 for 2
movdqa [edx + 16], xmm1 // store 1
movdqa [edx + 32], xmm2 // store 2
movdqu [edx + 16], xmm1 // store 1
movdqu [edx + 32], xmm2 // store 2
lea edx, [edx + 48]
sub ecx, 16
jg convertloop
@ -518,10 +518,10 @@ void ARGBToRAWRow_SSSE3(const uint8* src_argb, uint8* dst_rgb, int pix) {
align 16
convertloop:
movdqa xmm0, [eax] // fetch 16 pixels of argb
movdqa xmm1, [eax + 16]
movdqa xmm2, [eax + 32]
movdqa xmm3, [eax + 48]
movdqu xmm0, [eax] // fetch 16 pixels of argb
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
lea eax, [eax + 64]
pshufb xmm0, xmm6 // pack 16 bytes of ARGB to 12 bytes of RGB
pshufb xmm1, xmm6
@ -533,13 +533,13 @@ void ARGBToRAWRow_SSSE3(const uint8* src_argb, uint8* dst_rgb, int pix) {
movdqa xmm5, xmm2 // 8 bytes from 2 for 1
por xmm0, xmm4 // 4 bytes from 1 for 0
pslldq xmm5, 8 // 8 bytes from 2 for 1
movdqa [edx], xmm0 // store 0
movdqu [edx], xmm0 // store 0
por xmm1, xmm5 // 8 bytes from 2 for 1
psrldq xmm2, 8 // 4 bytes from 2
pslldq xmm3, 4 // 12 bytes from 3 for 2
por xmm2, xmm3 // 12 bytes from 3 for 2
movdqa [edx + 16], xmm1 // store 1
movdqa [edx + 32], xmm2 // store 2
movdqu [edx + 16], xmm1 // store 1
movdqu [edx + 32], xmm2 // store 2
lea edx, [edx + 48]
sub ecx, 16
jg convertloop