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gcc port of I422ToARGB_AVX2 from Visual C. Uses Macros for read of I422 and conversion from YUV to RGB. Shares constants from I422ToBGRA structure.

Browse Source 
BUG=269
TESTED=nacl builds.
R=brucedawson@google.com, tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/27279004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1181 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2014-12-02 00:22:56 +00:00
parent c5aac16af9
commit 0c472f9d42
4 changed files with 86 additions and 4 deletions
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2
README.chromium
View File

@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 1180
Version: 1181
License: BSD
License File: LICENSE

2
include/libyuv/row.h
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@ -189,6 +189,7 @@ extern "C" {
#define HAS_ARGBSHUFFLEROW_AVX2
#define HAS_ARGBCOPYALPHAROW_AVX2
#define HAS_ARGBCOPYYTOALPHAROW_AVX2
#define HAS_I422TOARGBROW_AVX2
#define HAS_I422TOBGRAROW_AVX2
#define HAS_YUY2TOYROW_AVX2
#define HAS_YUY2TOUV422ROW_AVX2
@ -215,7 +216,6 @@ extern "C" {
#define HAS_ARGBTOUVROW_AVX2
#define HAS_ARGBTOYJROW_AVX2
#define HAS_ARGBTOYROW_AVX2
#define HAS_I422TOARGBROW_AVX2
#define HAS_I422TORGBAROW_AVX2
#define HAS_I422TOABGRROW_AVX2
#define HAS_INTERPOLATEROW_AVX2

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 1180
#define LIBYUV_VERSION 1181
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

84
source/row_posix.cc
View File

@ -1950,6 +1950,8 @@ struct {
YG, YG, YG, YG, YG, YG, YG, YG }
};
// 32 pixels
// 16 UV values upsampled to 32 UV, mixed with 32 Y producing 32 BGRA pixels.
void I422ToBGRARow_AVX2(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
@ -2120,7 +2122,87 @@ void I422ToBGRARow_AVX2(const uint8* y_buf,
#endif
);
}
#endif // HAS_I422ToBGRAROW_AVX2
#endif // HAS_I422TOBGRAROW_AVX2
#if defined(HAS_I422TOARGBROW_AVX2)
// Read 8 UV from 422, upsample to 16 UV.
#define READYUV422_AVX2 \
"vmovq " MEMACCESS([u_buf]) ",%%xmm0 \n" \
MEMOPREG(vmovq, 0x00, [u_buf], [v_buf], 1, xmm1) \
"lea " MEMLEA(0x8, [u_buf]) ",%[u_buf] \n" \
"vpunpcklbw %%ymm1,%%ymm0,%%ymm0 \n" \
"vpermq $0xd8,%%ymm0,%%ymm0 \n" \
"vpunpcklwd %%ymm0,%%ymm0,%%ymm0 \n"
// Convert 16 pixels: 16 UV and 16 Y.
#define YUVTORGB_AVX2 \
"vpmaddubsw " MEMACCESS2(64, [kYuvConstants]) ",%%ymm0,%%ymm2 \n" \
"vpmaddubsw " MEMACCESS2(32, [kYuvConstants]) ",%%ymm0,%%ymm1 \n" \
"vpmaddubsw " MEMACCESS([kYuvConstants]) ",%%ymm0,%%ymm0 \n" \
"vpsubw " MEMACCESS2(160, [kYuvConstants]) ",%%ymm2,%%ymm2 \n" \
"vpsubw " MEMACCESS2(128, [kYuvConstants]) ",%%ymm1,%%ymm1 \n" \
"vpsubw " MEMACCESS2(96, [kYuvConstants]) ",%%ymm0,%%ymm0 \n" \
"vmovdqu " MEMACCESS([y_buf]) ",%%xmm3 \n" \
"lea " MEMLEA(0x10, [y_buf]) ",%[y_buf] \n" \
"vpermq $0xd8,%%ymm3,%%ymm3 \n" \
"vpunpcklbw %%ymm4,%%ymm3,%%ymm3 \n" \
"vpsubsw " MEMACCESS2(192, [kYuvConstants]) ",%%ymm3,%%ymm3 \n" \
"vpmullw " MEMACCESS2(224, [kYuvConstants]) ",%%ymm3,%%ymm3 \n" \
"vpaddsw %%ymm3,%%ymm0,%%ymm0 \n" \
"vpaddsw %%ymm3,%%ymm1,%%ymm1 \n" \
"vpaddsw %%ymm3,%%ymm2,%%ymm2 \n" \
"vpsraw $0x6,%%ymm0,%%ymm0 \n" \
"vpsraw $0x6,%%ymm1,%%ymm1 \n" \
"vpsraw $0x6,%%ymm2,%%ymm2 \n" \
"vpackuswb %%ymm0,%%ymm0,%%ymm0 \n" \
"vpackuswb %%ymm1,%%ymm1,%%ymm1 \n" \
"vpackuswb %%ymm2,%%ymm2,%%ymm2 \n"
// 16 pixels
// 8 UV values upsampled to 16 UV, mixed with 16 Y producing 16 ARGB (64 bytes).
void OMITFP I422ToARGBRow_AVX2(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* dst_argb,
int width) {
asm volatile (
"sub %[u_buf],%[v_buf] \n"
"vpcmpeqb %%ymm5,%%ymm5,%%ymm5 \n"
"vpxor %%ymm4,%%ymm4,%%ymm4 \n"
LABELALIGN
"1: \n"
READYUV422_AVX2
YUVTORGB_AVX2
// Step 3: Weave into ARGB
"vpunpcklbw %%ymm1,%%ymm0,%%ymm0 \n" // BG
"vpermq $0xd8,%%ymm0,%%ymm0 \n"
"vpunpcklbw %%ymm5,%%ymm2,%%ymm2 \n" // RA
"vpermq $0xd8,%%ymm2,%%ymm2 \n"
"vpunpcklwd %%ymm2,%%ymm0,%%ymm1 \n" // BGRA first 8 pixels
"vpunpckhwd %%ymm2,%%ymm0,%%ymm0 \n" // BGRA next 8 pixels
"vmovdqu %%ymm0," MEMACCESS([dst_argb]) "\n"
"vmovdqu %%ymm1," MEMACCESS2(0x20,[dst_argb]) "\n"
"lea " MEMLEA(0x40,[dst_argb]) ",%[dst_argb] \n"
"sub $0x10,%[width] \n"
"jg 1b \n"
: [y_buf]"+r"(y_buf), // %[y_buf]
[u_buf]"+r"(u_buf), // %[u_buf]
[v_buf]"+r"(v_buf), // %[v_buf]
[dst_argb]"+r"(dst_argb), // %[dst_argb]
[width]"+rm"(width) // %[width]
: [kYuvConstants]"r"(&kYuvConstants_AVX.kUVToB_AVX) // %[kYuvConstants]
: "memory", "cc"
#if defined(__native_client__) && defined(__x86_64__)
, "r14"
#endif
#if defined(__SSE2__)
, "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5"
#endif
);
}
#endif // HAS_I422TOARGBROW_AVX2
#ifdef HAS_YTOARGBROW_SSE2
void YToARGBRow_SSE2(const uint8* y_buf,