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RGB565ToARGB_SSE2

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BUG=none
TEST=media_unittest
Review URL: http://webrtc-codereview.appspot.com/347011

git-svn-id: http://libyuv.googlecode.com/svn/trunk@132 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-01-13 00:59:49 +00:00
parent ba1f526926
commit 6aa761da6d
4 changed files with 74 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: 131
Version: 132
License: BSD
License File: LICENSE

7
source/row.h
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@ -61,6 +61,7 @@
// The following are available on Windows platforms
#if defined(_M_IX86) && !defined(YUV_DISABLE_ASM)
#define HAS_ARGB4444TOARGBROW_SSE2
#define HAS_RGB565TOARGBROW_SSE2
#endif
// The following are available on Neon platforms
@ -213,10 +214,12 @@ void ABGRToARGBRow_SSSE3(const uint8* src_abgr, uint8* dst_argb, int pix);
void BGRAToARGBRow_SSSE3(const uint8* src_bgra, uint8* dst_argb, int pix);
void RGB24ToARGBRow_SSSE3(const uint8* src_rgb24, uint8* dst_argb, int pix);
void RAWToARGBRow_SSSE3(const uint8* src_rgb24, uint8* dst_argb, int pix);
// TODO(fbarchard): SSE2 565 etc
//void RGB565ToARGBRow_SSE2(const uint8* src_rgb, uint8* dst_argb, int pix);
// TODO(fbarchard): SSE2 555
//void ARGB1555ToARGBRow_SSE2(const uint8* src_argb, uint8* dst_argb, int pix);
#endif
#ifdef HAS_RGB565TOARGBROW_SSE2
void RGB565ToARGBRow_SSE2(const uint8* src_argb, uint8* dst_argb, int pix);
#endif
#ifdef HAS_ARGB4444TOARGBROW_SSE2
void ARGB4444ToARGBRow_SSE2(const uint8* src_argb, uint8* dst_argb, int pix);
#endif

9
source/row_common.cc
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@ -318,7 +318,11 @@ void RAWToYRow_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
// TODO(fbarchard): RGB565ToARGBRow_SSE2 for rgb conversion
void RGB565ToYRow_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
SIMD_ALIGNED(uint8 row[kMaxStride]);
#ifdef HAS_RGB565TOARGBROW_SSE2
RGB565ToARGBRow_SSE2(src_argb, row, pix);
#else
RGB565ToARGBRow_C(src_argb, row, pix);
#endif
ARGBToYRow_SSSE3(row, dst_y, pix);
}
@ -361,8 +365,13 @@ void RAWToUVRow_SSSE3(const uint8* src_argb, int src_stride_argb,
void RGB565ToUVRow_SSSE3(const uint8* src_argb, int src_stride_argb,
uint8* dst_u, uint8* dst_v, int pix) {
SIMD_ALIGNED(uint8 row[kMaxStride * 2]);
#ifdef HAS_RGB565TOARGBROW_SSE2
RGB565ToARGBRow_SSE2(src_argb, row, pix);
RGB565ToARGBRow_SSE2(src_argb + src_stride_argb, row + kMaxStride, pix);
#else
RGB565ToARGBRow_C(src_argb, row, pix);
RGB565ToARGBRow_C(src_argb + src_stride_argb, row + kMaxStride, pix);
#endif
ARGBToUVRow_SSSE3(row, kMaxStride, dst_u, dst_v, pix);
}

59
source/row_win.cc
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@ -229,6 +229,65 @@ __asm {
}
}
// TODO(fbarchard): Port RGB565ToARGBRow_SSE2 to gcc
__declspec(naked)
void RGB565ToARGBRow_SSE2(const uint8* src_rgb565, uint8* dst_argb,
int pix) {
__asm {
mov eax, [esp + 4] // src_rgb565
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // pix
pcmpeqb xmm5, xmm5 // generate mask 0xff000000
pslld xmm5, 24
pcmpeqb xmm4, xmm4 // generate mask 0xf800f800
psllw xmm4, 11
pcmpeqb xmm6, xmm6 // generate mask 0x001f001f
psrlw xmm6, 11
pcmpeqb xmm7, xmm7 // generate mask 0x00fc00fc
psrlw xmm7, 10
psllw xmm7, 2
convertloop:
movdqa xmm0, [eax] // fetch 8 pixels of bgr565
lea eax, [eax + 16]
movdqa xmm1, xmm0
movdqa xmm2, xmm0
pand xmm1, xmm4 // R in upper 5 bits
psrlw xmm2, 13 // R 3 bits
psllw xmm2, 8
por xmm1, xmm2
movdqa xmm2, xmm0
pand xmm2, xmm6 // mask B 5 bits
movdqa xmm3, xmm2
psllw xmm2, 3
psrlw xmm3, 2
por xmm2, xmm3
por xmm1, xmm2 // RB
psrlw xmm0, 3 // G in top 6 bits of lower byte
pand xmm0, xmm7 // mask G 6 bits
movdqa xmm2, xmm0
psrlw xmm2, 6
por xmm0, xmm2
por xmm0, xmm5 // AG
movdqa xmm2, xmm1
punpcklbw xmm1, xmm0
punpckhbw xmm2, xmm0
movdqa [edx], xmm1 // store 4 pixels of ARGB
movdqa [edx + 16], xmm2 // store next 4 pixels of ARGB
lea edx, [edx + 32]
sub ecx, 8
ja convertloop
ret
}
}
// TODO(fbarchard): Port ARGB4444ToARGBRow_SSE2 to gcc
__declspec(naked)
void ARGB4444ToARGBRow_SSE2(const uint8* src_argb4444, uint8* dst_argb,