coffee/libyuv
1
0
Fork 0
mirror of https://chromium.googlesource.com/libyuv/libyuv synced 2025-12-07 17:26:49 +08:00
Code Issues Packages Projects Releases Wiki Activity

MergeUV for AVX2 ported to gcc. Add missing vzeroupper to all avx2 functions.

Browse Source 
BUG=none
TESTED=ncval for nacl
R=brucedawson@google.com, harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/25059005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1157 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2014-11-10 19:19:12 +00:00
parent d1885bcc73
commit 10d9c0d0a7
4 changed files with 57 additions and 16 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: 1155
Version: 1157
License: BSD
License File: LICENSE

4
include/libyuv/row.h
View File

@ -198,6 +198,8 @@ extern "C" {
#define HAS_UYVYTOYROW_AVX2
#define HAS_UYVYTOUV422ROW_AVX2
#define HAS_UYVYTOUVROW_AVX2
#define HAS_SPLITUVROW_AVX2
#define HAS_MERGEUVROW_AVX2
#endif
// The following are require VS2012.
@ -210,9 +212,7 @@ extern "C" {
#define HAS_I422TORGBAROW_AVX2
#define HAS_I422TOABGRROW_AVX2
#define HAS_INTERPOLATEROW_AVX2
#define HAS_MERGEUVROW_AVX2
#define HAS_MIRRORROW_AVX2
#define HAS_SPLITUVROW_AVX2
// Effects:
#define HAS_ARGBADDROW_AVX2

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 1155
#define LIBYUV_VERSION 1157
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

65
source/row_posix.cc
View File

@ -2104,6 +2104,7 @@ void I422ToBGRARow_AVX2(const uint8* y_buf,
"lea " MEMLEA(0x80, [dst_bgra]) ", %[dst_bgra] \n" // dst_bgra += 128
"sub $0x20, %[width] \n" // width -= 32
"jg 1b \n"
"vzeroupper \n"
: [y_buf]"+r"(y_buf), // %[y_buf]
[u_buf]"+r"(u_buf), // %[u_buf]
[v_buf]"+r"(v_buf), // %[v_buf]
@ -2122,7 +2123,6 @@ void I422ToBGRARow_AVX2(const uint8* y_buf,
}
#endif // HAS_I422ToBGRAROW_AVX2
#ifdef HAS_YTOARGBROW_SSE2
void YToARGBRow_SSE2(const uint8* y_buf,
uint8* dst_argb,
@ -2314,27 +2314,28 @@ void ARGBMirrorRow_SSSE3(const uint8* src, uint8* dst, int width) {
#ifdef HAS_SPLITUVROW_AVX2
void SplitUVRow_AVX2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) {
asm volatile (
"pcmpeqb %%ymm5,%%ymm5 \n"
"psrlw $0x8,%%ymm5 \n"
"vpcmpeqb %%ymm5,%%ymm5,%%ymm5 \n"
"vpsrlw $0x8,%%ymm5,%%ymm5 \n"
"sub %1,%2 \n"
LABELALIGN
"1: \n"
"vmovdqu " MEMACCESS(0) ",%%ymm0 \n"
"vmovdqu " MEMACCESS2(0x20,0) ",%%ymm1 \n"
"lea " MEMLEA(0x40,0) ",%0 \n"
"vpsrlw $0x8,%%ymm0,%%ymm2 \n"
"vpsrlw $0x8,%%ymm1,%%ymm3 \n"
"vpand %%ymm5,%%ymm0,%%ymm0 \n"
"vpand %%ymm5,%%ymm1,%%ymm1 \n"
"vpackuswb %%ymm1,%%ymm0,%%ymm0 \n"
"vpackuswb %%ymm3,%%ymm2,%%ymm2 \n"
"vpermq $0xd8,%%ymm0,%%ymm0 \n"
"vpermq $0xd8,%%ymm2,%%ymm2 \n"
"vpsrlw $0x8,%%ymm0,%%ymm2 \n"
"vpsrlw $0x8,%%ymm1,%%ymm3 \n"
"vpand %%ymm5,%%ymm0,%%ymm0 \n"
"vpand %%ymm5,%%ymm1,%%ymm1 \n"
"vpackuswb %%ymm1,%%ymm0,%%ymm0 \n"
"vpackuswb %%ymm3,%%ymm2,%%ymm2 \n"
"vpermq $0xd8,%%ymm0,%%ymm0 \n"
"vpermq $0xd8,%%ymm2,%%ymm2 \n"
"vmovdqu %%ymm0," MEMACCESS(1) " \n"
MEMOPMEM(vmovdqu,ymm2,0x00,1,2,1) // vmovdqu %%ymm2,(%1,%2)
"lea " MEMLEA(0x20,1) ",%1 \n"
"sub $0x20,%3 \n"
"jg 1b \n"
"vzeroupper \n"
: "+r"(src_uv), // %0
"+r"(dst_u), // %1
"+r"(dst_v), // %2
@ -2391,6 +2392,45 @@ void SplitUVRow_SSE2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) {
}
#endif // HAS_SPLITUVROW_SSE2
// TODO(fbarchard): Consider vpunpcklbw, vpunpckhbw, store-low1, store-low2,
// extract-high1, extract-high2.
#ifdef HAS_MERGEUVROW_AVX2
void MergeUVRow_AVX2(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
int width) {
asm volatile (
"sub %0,%1 \n"
LABELALIGN
"1: \n"
"vmovdqu " MEMACCESS(0) ",%%ymm0 \n"
MEMOPREG(vmovdqu,0x00,0,1,1,ymm1) // vmovdqu (%0,%1,1),%%ymm1
"lea " MEMLEA(0x20,0) ",%0 \n"
"vpunpcklbw %%ymm1,%%ymm0,%%ymm2 \n"
"vpunpckhbw %%ymm1,%%ymm0,%%ymm0 \n"
"vperm2i128 $0x20,%%ymm0,%%ymm2,%%ymm1 \n"
"vperm2i128 $0x31,%%ymm0,%%ymm2,%%ymm2 \n"
"vmovdqu %%ymm1," MEMACCESS(2) " \n"
"vmovdqu %%ymm2," MEMACCESS2(0x20,2) " \n"
"lea " MEMLEA(0x40,2) ",%2 \n"
"sub $0x20,%3 \n"
"jg 1b \n"
"vzeroupper \n"
: "+r"(src_u), // %0
"+r"(src_v), // %1
"+r"(dst_uv), // %2
"+r"(width) // %3
:
: "memory", "cc"
#if defined(__native_client__) && defined(__x86_64__)
, "r14"
#endif
#if defined(__SSE2__)
, "xmm0", "xmm1", "xmm2"
#endif
);
}
#endif // HAS_MERGEUVROW_AVX2
#ifdef HAS_MERGEUVROW_SSE2
void MergeUVRow_SSE2(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
int width) {
@ -2911,6 +2951,7 @@ void YUY2ToYRow_AVX2(const uint8* src_yuy2, uint8* dst_y, int pix) {
"vmovdqu %%ymm0," MEMACCESS(1) " \n"
"lea " MEMLEA(0x20,1) ",%1 \n"
"jg 1b \n"
"vzeroupper \n"
: "+r"(src_yuy2), // %0
"+r"(dst_y), // %1
"+r"(pix) // %2
@ -2922,7 +2963,6 @@ void YUY2ToYRow_AVX2(const uint8* src_yuy2, uint8* dst_y, int pix) {
);
}
void YUY2ToUVRow_AVX2(const uint8* src_yuy2, int stride_yuy2,
uint8* dst_u, uint8* dst_v, int pix) {
asm volatile (
@ -4853,6 +4893,7 @@ void ARGBShuffleRow_AVX2(const uint8* src_argb, uint8* dst_argb,
"vmovdqu %%ymm1," MEMACCESS2(0x20,1) " \n"
"lea " MEMLEA(0x40,1) ",%1 \n"
"jg 1b \n"
"vzeroupper \n"
: "+r"(src_argb), // %0
"+r"(dst_argb), // %1
"+r"(pix) // %2