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https://chromium.googlesource.com/libyuv/libyuv
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ARGBToUV for SSE use pshufb/pmaddubsw
Was ARGBToJ420_Opt (377 ms) Now ARGBToJ420_Opt (340 ms) Bug: None Change-Id: Iada2d6e9ecdb141b9e2acbdf343f890e4aaebe34 Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6967754 Reviewed-by: Justin Green <greenjustin@google.com>
This commit is contained in:
Frank Barchard
parent
d59fe1a2b8
commit
1b1c058787
@ -1733,6 +1733,13 @@ void ARGBToUV444MatrixRow_AVX2(const uint8_t* src_argb,
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#endif // HAS_ARGBTOUV444ROW_AVX2
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#ifdef HAS_ARGBTOUVROW_SSSE3
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// ARGBARGB to AARRGGBB shuffle
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static const lvec8 kShuffleAARRGGBB = {
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0, 4, 1, 5, 2, 6, 3, 7, 8, 12, 9, 13, 10, 14, 11, 15,
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0, 4, 1, 5, 2, 6, 3, 7, 8, 12, 9, 13, 10, 14, 11, 15,
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};
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// 8x2 -> 4x1 ARGB pixels converted to 4 U and 4 V
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// ARGBToUV does rounding average of 4 ARGB pixels
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void ARGBToUVMatrixRow_SSSE3(const uint8_t* src_argb,
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@ -1742,63 +1749,46 @@ void ARGBToUVMatrixRow_SSSE3(const uint8_t* src_argb,
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int width,
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const struct RgbUVConstants* rgbuvconstants) {
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asm volatile(
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"pcmpeqb %%xmm4,%%xmm4 \n" // 0x0101
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"pabsb %%xmm4,%%xmm4 \n"
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"movdqa %0,%%xmm6 \n" // ARGB to U
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"movdqa %1,%%xmm7 \n" // ARGB to V
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:
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: "m"(rgbuvconstants->kRGBToU), // %0
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"m"(rgbuvconstants->kRGBToV) // %1
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: "memory", "cc");
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asm volatile(
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"movdqa %5,%%xmm4 \n" // RGBToU
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"movdqa %6,%%xmm5 \n" // RGBToV
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"pcmpeqb %%xmm6,%%xmm6 \n" // 0x0101
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"pabsb %%xmm6,%%xmm6 \n"
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"movdqa %7,%%xmm7 \n" // kShuffleAARRGGBB
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"sub %1,%2 \n"
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LABELALIGN
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"1: \n"
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"movdqu (%0),%%xmm0 \n" // Read 8 ARGB Pixels
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"movdqu 0x10(%0),%%xmm5 \n"
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"movdqa %%xmm0,%%xmm1 \n"
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"shufps $0x88,%%xmm5,%%xmm0 \n" // Even pixels
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"shufps $0xdd,%%xmm5,%%xmm1 \n" // Odd pixels
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"movdqa %%xmm0,%%xmm5 \n"
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"punpcklbw %%xmm1,%%xmm0 \n" // aarrgbb
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"punpckhbw %%xmm5,%%xmm1 \n"
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"pmaddubsw %%xmm4,%%xmm0 \n" // paired add argb
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"pmaddubsw %%xmm4,%%xmm1 \n"
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"movdqu 0x00(%0,%4,1),%%xmm2 \n" // Read 2nd row
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"movdqu 0x10(%0,%4,1),%%xmm5 \n"
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"movdqa %%xmm2,%%xmm3 \n"
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"shufps $0x88,%%xmm5,%%xmm2 \n" // Even
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"shufps $0xdd,%%xmm5,%%xmm3 \n" // Odd pixels
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"movdqa %%xmm2,%%xmm5 \n"
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"punpcklbw %%xmm3,%%xmm2 \n" // aarrgbb
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"punpckhbw %%xmm5,%%xmm3 \n"
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"pmaddubsw %%xmm4,%%xmm2 \n" // argb
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"pmaddubsw %%xmm4,%%xmm3 \n"
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"pxor %%xmm5,%%xmm5 \n" // constant 0 for pavgw
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"paddw %%xmm2,%%xmm0 \n"
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"movdqu (%0),%%xmm0 \n" // Read 8x2 ARGB Pixels
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"movdqu 0x10(%0),%%xmm1 \n"
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"movdqu 0x00(%0,%4,1),%%xmm2 \n"
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"movdqu 0x10(%0,%4,1),%%xmm3 \n"
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"pshufb %%xmm7,%%xmm0 \n" // aarrggbb
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"pshufb %%xmm7,%%xmm1 \n"
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"pshufb %%xmm7,%%xmm2 \n"
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"pshufb %%xmm7,%%xmm3 \n"
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"pmaddubsw %%xmm6,%%xmm0 \n" // 8x2 -> 4x2
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"pmaddubsw %%xmm6,%%xmm1 \n"
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"pmaddubsw %%xmm6,%%xmm2 \n"
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"pmaddubsw %%xmm6,%%xmm3 \n"
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"paddw %%xmm2,%%xmm0 \n" // 4x2 -> 4x1
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"paddw %%xmm3,%%xmm1 \n"
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"psrlw $1,%%xmm0 \n" // round
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"pxor %%xmm2,%%xmm2 \n" // 0 for vpavgw
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"psrlw $1,%%xmm0 \n"
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"psrlw $1,%%xmm1 \n"
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"pavgw %%xmm5,%%xmm0 \n"
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"pavgw %%xmm5,%%xmm1 \n"
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"packuswb %%xmm1,%%xmm0 \n" // 4 ARGB pixels
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"pavgw %%xmm2,%%xmm0 \n"
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"pavgw %%xmm2,%%xmm1 \n"
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"packuswb %%xmm1,%%xmm0 \n" // mutates
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"movdqa %%xmm6,%%xmm2 \n"
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"psllw $15,%%xmm2 \n" // 0x8000
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"movdqa %%xmm0,%%xmm1 \n"
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"pmaddubsw %%xmm6,%%xmm0 \n" // u
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"pmaddubsw %%xmm7,%%xmm1 \n" // v
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"pmaddubsw %%xmm5,%%xmm1 \n" // 4 V
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"pmaddubsw %%xmm4,%%xmm0 \n" // 4 U
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"phaddw %%xmm1,%%xmm0 \n" // uuuuvvvv
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"movdqa %5,%%xmm2 \n" // 0x8000
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"psubw %%xmm0,%%xmm2 \n" // unsigned 0 to 0xffff
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"psubw %%xmm0,%%xmm2 \n"
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"psrlw $0x8,%%xmm2 \n"
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"packuswb %%xmm2,%%xmm2 \n"
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"movd %%xmm2,(%1) \n" // Write 4 U's
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"shufps $0xdd,%%xmm2,%%xmm2 \n"
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"pshufd $0x55,%%xmm2,%%xmm2 \n" // Copy V to low 4 bytes
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"movd %%xmm2,0x00(%1,%2,1) \n" // Write 4 V's
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"lea 0x20(%0),%0 \n"
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@ -1814,21 +1804,17 @@ void ARGBToUVMatrixRow_SSSE3(const uint8_t* src_argb,
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"+rm"(width) // %3
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#endif
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: "r"((intptr_t)(src_stride_argb)), // %4
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"m"(kAddUV128) // %5
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: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
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"xmm7");
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"m"(rgbuvconstants->kRGBToU), // %5
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"m"(rgbuvconstants->kRGBToV), // %6
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"m"(kShuffleAARRGGBB) // %7
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: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5",
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"xmm6", "xmm7");
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}
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#endif // HAS_ARGBTOUVROW_SSSE3
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#ifdef HAS_ARGBTOUVROW_AVX2
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// ARGBARGB to AARRGGBB shuffle
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static const lvec8 kShuffleAARRGGBB = {
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0, 4, 1, 5, 2, 6, 3, 7, 8, 12, 9, 13, 10, 14, 11, 15,
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0, 4, 1, 5, 2, 6, 3, 7, 8, 12, 9, 13, 10, 14, 11, 15,
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};
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// 16x2 -> 8x1 ARGB pixels converted to 8 U and 8 V
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// ARGBToUV does rounding average of 4 ARGB pixels
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void ARGBToUVMatrixRow_AVX2(const uint8_t* src_argb,
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@ -1888,7 +1874,11 @@ void ARGBToUVMatrixRow_AVX2(const uint8_t* src_argb,
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: "+r"(src_argb), // %0
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"+r"(dst_u), // %1
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"+r"(dst_v), // %2
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"+r"(width) // %3
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#if defined(__i386__)
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"+m"(width) // %3
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#else
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"+rm"(width) // %3
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#endif
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: "r"((intptr_t)(src_stride_argb)), // %4
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"m"(rgbuvconstants->kRGBToU), // %5
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"m"(rgbuvconstants->kRGBToV), // %6
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