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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/third_party/libyuv/source/row_win.cc | 6237 |
1 files changed, 6237 insertions, 0 deletions
diff --git a/third_party/aom/third_party/libyuv/source/row_win.cc b/third_party/aom/third_party/libyuv/source/row_win.cc new file mode 100644 index 0000000000..9afcf060a4 --- /dev/null +++ b/third_party/aom/third_party/libyuv/source/row_win.cc @@ -0,0 +1,6237 @@ +/* + * Copyright 2011 The LibYuv Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "libyuv/row.h" + +// This module is for Visual C 32/64 bit and clangcl 32 bit +#if !defined(LIBYUV_DISABLE_X86) && defined(_MSC_VER) && \ + (defined(_M_IX86) || (defined(_M_X64) && !defined(__clang__))) + +#if defined(_M_X64) +#include <emmintrin.h> +#include <tmmintrin.h> // For _mm_maddubs_epi16 +#endif + +#ifdef __cplusplus +namespace libyuv { +extern "C" { +#endif + +// 64 bit +#if defined(_M_X64) + +// Read 4 UV from 422, upsample to 8 UV. +#define READYUV422 \ + xmm0 = _mm_cvtsi32_si128(*(uint32_t*)u_buf); \ + xmm1 = _mm_cvtsi32_si128(*(uint32_t*)(u_buf + offset)); \ + xmm0 = _mm_unpacklo_epi8(xmm0, xmm1); \ + xmm0 = _mm_unpacklo_epi16(xmm0, xmm0); \ + u_buf += 4; \ + xmm4 = _mm_loadl_epi64((__m128i*)y_buf); \ + xmm4 = _mm_unpacklo_epi8(xmm4, xmm4); \ + y_buf += 8; + +// Read 4 UV from 422, upsample to 8 UV. With 8 Alpha. +#define READYUVA422 \ + xmm0 = _mm_cvtsi32_si128(*(uint32_t*)u_buf); \ + xmm1 = _mm_cvtsi32_si128(*(uint32_t*)(u_buf + offset)); \ + xmm0 = _mm_unpacklo_epi8(xmm0, xmm1); \ + xmm0 = _mm_unpacklo_epi16(xmm0, xmm0); \ + u_buf += 4; \ + xmm4 = _mm_loadl_epi64((__m128i*)y_buf); \ + xmm4 = _mm_unpacklo_epi8(xmm4, xmm4); \ + y_buf += 8; \ + xmm5 = _mm_loadl_epi64((__m128i*)a_buf); \ + a_buf += 8; + +// Convert 8 pixels: 8 UV and 8 Y. +#define YUVTORGB(yuvconstants) \ + xmm1 = _mm_loadu_si128(&xmm0); \ + xmm2 = _mm_loadu_si128(&xmm0); \ + xmm0 = _mm_maddubs_epi16(xmm0, *(__m128i*)yuvconstants->kUVToB); \ + xmm1 = _mm_maddubs_epi16(xmm1, *(__m128i*)yuvconstants->kUVToG); \ + xmm2 = _mm_maddubs_epi16(xmm2, *(__m128i*)yuvconstants->kUVToR); \ + xmm0 = _mm_sub_epi16(*(__m128i*)yuvconstants->kUVBiasB, xmm0); \ + xmm1 = _mm_sub_epi16(*(__m128i*)yuvconstants->kUVBiasG, xmm1); \ + xmm2 = _mm_sub_epi16(*(__m128i*)yuvconstants->kUVBiasR, xmm2); \ + xmm4 = _mm_mulhi_epu16(xmm4, *(__m128i*)yuvconstants->kYToRgb); \ + xmm0 = _mm_adds_epi16(xmm0, xmm4); \ + xmm1 = _mm_adds_epi16(xmm1, xmm4); \ + xmm2 = _mm_adds_epi16(xmm2, xmm4); \ + xmm0 = _mm_srai_epi16(xmm0, 6); \ + xmm1 = _mm_srai_epi16(xmm1, 6); \ + xmm2 = _mm_srai_epi16(xmm2, 6); \ + xmm0 = _mm_packus_epi16(xmm0, xmm0); \ + xmm1 = _mm_packus_epi16(xmm1, xmm1); \ + xmm2 = _mm_packus_epi16(xmm2, xmm2); + +// Store 8 ARGB values. +#define STOREARGB \ + xmm0 = _mm_unpacklo_epi8(xmm0, xmm1); \ + xmm2 = _mm_unpacklo_epi8(xmm2, xmm5); \ + xmm1 = _mm_loadu_si128(&xmm0); \ + xmm0 = _mm_unpacklo_epi16(xmm0, xmm2); \ + xmm1 = _mm_unpackhi_epi16(xmm1, xmm2); \ + _mm_storeu_si128((__m128i*)dst_argb, xmm0); \ + _mm_storeu_si128((__m128i*)(dst_argb + 16), xmm1); \ + dst_argb += 32; + +#if defined(HAS_I422TOARGBROW_SSSE3) +void I422ToARGBRow_SSSE3(const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __m128i xmm0, xmm1, xmm2, xmm4; + const __m128i xmm5 = _mm_set1_epi8(-1); + const ptrdiff_t offset = (uint8_t*)v_buf - (uint8_t*)u_buf; + while (width > 0) { + READYUV422 + YUVTORGB(yuvconstants) + STOREARGB + width -= 8; + } +} +#endif + +#if defined(HAS_I422ALPHATOARGBROW_SSSE3) +void I422AlphaToARGBRow_SSSE3(const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + const uint8_t* a_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __m128i xmm0, xmm1, xmm2, xmm4, xmm5; + const ptrdiff_t offset = (uint8_t*)v_buf - (uint8_t*)u_buf; + while (width > 0) { + READYUVA422 + YUVTORGB(yuvconstants) + STOREARGB + width -= 8; + } +} +#endif + +// 32 bit +#else // defined(_M_X64) +#ifdef HAS_ARGBTOYROW_SSSE3 + +// Constants for ARGB. +static const vec8 kARGBToY = {13, 65, 33, 0, 13, 65, 33, 0, + 13, 65, 33, 0, 13, 65, 33, 0}; + +// JPeg full range. +static const vec8 kARGBToYJ = {15, 75, 38, 0, 15, 75, 38, 0, + 15, 75, 38, 0, 15, 75, 38, 0}; + +static const vec8 kARGBToU = {112, -74, -38, 0, 112, -74, -38, 0, + 112, -74, -38, 0, 112, -74, -38, 0}; + +static const vec8 kARGBToUJ = {127, -84, -43, 0, 127, -84, -43, 0, + 127, -84, -43, 0, 127, -84, -43, 0}; + +static const vec8 kARGBToV = { + -18, -94, 112, 0, -18, -94, 112, 0, -18, -94, 112, 0, -18, -94, 112, 0, +}; + +static const vec8 kARGBToVJ = {-20, -107, 127, 0, -20, -107, 127, 0, + -20, -107, 127, 0, -20, -107, 127, 0}; + +// vpshufb for vphaddw + vpackuswb packed to shorts. +static const lvec8 kShufARGBToUV_AVX = { + 0, 1, 8, 9, 2, 3, 10, 11, 4, 5, 12, 13, 6, 7, 14, 15, + 0, 1, 8, 9, 2, 3, 10, 11, 4, 5, 12, 13, 6, 7, 14, 15}; + +// Constants for BGRA. +static const vec8 kBGRAToY = {0, 33, 65, 13, 0, 33, 65, 13, + 0, 33, 65, 13, 0, 33, 65, 13}; + +static const vec8 kBGRAToU = {0, -38, -74, 112, 0, -38, -74, 112, + 0, -38, -74, 112, 0, -38, -74, 112}; + +static const vec8 kBGRAToV = {0, 112, -94, -18, 0, 112, -94, -18, + 0, 112, -94, -18, 0, 112, -94, -18}; + +// Constants for ABGR. +static const vec8 kABGRToY = {33, 65, 13, 0, 33, 65, 13, 0, + 33, 65, 13, 0, 33, 65, 13, 0}; + +static const vec8 kABGRToU = {-38, -74, 112, 0, -38, -74, 112, 0, + -38, -74, 112, 0, -38, -74, 112, 0}; + +static const vec8 kABGRToV = {112, -94, -18, 0, 112, -94, -18, 0, + 112, -94, -18, 0, 112, -94, -18, 0}; + +// Constants for RGBA. +static const vec8 kRGBAToY = {0, 13, 65, 33, 0, 13, 65, 33, + 0, 13, 65, 33, 0, 13, 65, 33}; + +static const vec8 kRGBAToU = {0, 112, -74, -38, 0, 112, -74, -38, + 0, 112, -74, -38, 0, 112, -74, -38}; + +static const vec8 kRGBAToV = {0, -18, -94, 112, 0, -18, -94, 112, + 0, -18, -94, 112, 0, -18, -94, 112}; + +static const uvec8 kAddY16 = {16u, 16u, 16u, 16u, 16u, 16u, 16u, 16u, + 16u, 16u, 16u, 16u, 16u, 16u, 16u, 16u}; + +// 7 bit fixed point 0.5. +static const vec16 kAddYJ64 = {64, 64, 64, 64, 64, 64, 64, 64}; + +static const uvec8 kAddUV128 = {128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u, + 128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u}; + +static const uvec16 kAddUVJ128 = {0x8080u, 0x8080u, 0x8080u, 0x8080u, + 0x8080u, 0x8080u, 0x8080u, 0x8080u}; + +// Shuffle table for converting RGB24 to ARGB. +static const uvec8 kShuffleMaskRGB24ToARGB = { + 0u, 1u, 2u, 12u, 3u, 4u, 5u, 13u, 6u, 7u, 8u, 14u, 9u, 10u, 11u, 15u}; + +// Shuffle table for converting RAW to ARGB. +static const uvec8 kShuffleMaskRAWToARGB = {2u, 1u, 0u, 12u, 5u, 4u, 3u, 13u, + 8u, 7u, 6u, 14u, 11u, 10u, 9u, 15u}; + +// Shuffle table for converting RAW to RGB24. First 8. +static const uvec8 kShuffleMaskRAWToRGB24_0 = { + 2u, 1u, 0u, 5u, 4u, 3u, 8u, 7u, + 128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u}; + +// Shuffle table for converting RAW to RGB24. Middle 8. +static const uvec8 kShuffleMaskRAWToRGB24_1 = { + 2u, 7u, 6u, 5u, 10u, 9u, 8u, 13u, + 128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u}; + +// Shuffle table for converting RAW to RGB24. Last 8. +static const uvec8 kShuffleMaskRAWToRGB24_2 = { + 8u, 7u, 12u, 11u, 10u, 15u, 14u, 13u, + 128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u}; + +// Shuffle table for converting ARGB to RGB24. +static const uvec8 kShuffleMaskARGBToRGB24 = { + 0u, 1u, 2u, 4u, 5u, 6u, 8u, 9u, 10u, 12u, 13u, 14u, 128u, 128u, 128u, 128u}; + +// Shuffle table for converting ARGB to RAW. +static const uvec8 kShuffleMaskARGBToRAW = { + 2u, 1u, 0u, 6u, 5u, 4u, 10u, 9u, 8u, 14u, 13u, 12u, 128u, 128u, 128u, 128u}; + +// Shuffle table for converting ARGBToRGB24 for I422ToRGB24. First 8 + next 4 +static const uvec8 kShuffleMaskARGBToRGB24_0 = { + 0u, 1u, 2u, 4u, 5u, 6u, 8u, 9u, 128u, 128u, 128u, 128u, 10u, 12u, 13u, 14u}; + +// YUY2 shuf 16 Y to 32 Y. +static const lvec8 kShuffleYUY2Y = {0, 0, 2, 2, 4, 4, 6, 6, 8, 8, 10, + 10, 12, 12, 14, 14, 0, 0, 2, 2, 4, 4, + 6, 6, 8, 8, 10, 10, 12, 12, 14, 14}; + +// YUY2 shuf 8 UV to 16 UV. +static const lvec8 kShuffleYUY2UV = {1, 3, 1, 3, 5, 7, 5, 7, 9, 11, 9, + 11, 13, 15, 13, 15, 1, 3, 1, 3, 5, 7, + 5, 7, 9, 11, 9, 11, 13, 15, 13, 15}; + +// UYVY shuf 16 Y to 32 Y. +static const lvec8 kShuffleUYVYY = {1, 1, 3, 3, 5, 5, 7, 7, 9, 9, 11, + 11, 13, 13, 15, 15, 1, 1, 3, 3, 5, 5, + 7, 7, 9, 9, 11, 11, 13, 13, 15, 15}; + +// UYVY shuf 8 UV to 16 UV. +static const lvec8 kShuffleUYVYUV = {0, 2, 0, 2, 4, 6, 4, 6, 8, 10, 8, + 10, 12, 14, 12, 14, 0, 2, 0, 2, 4, 6, + 4, 6, 8, 10, 8, 10, 12, 14, 12, 14}; + +// NV21 shuf 8 VU to 16 UV. +static const lvec8 kShuffleNV21 = { + 1, 0, 1, 0, 3, 2, 3, 2, 5, 4, 5, 4, 7, 6, 7, 6, + 1, 0, 1, 0, 3, 2, 3, 2, 5, 4, 5, 4, 7, 6, 7, 6, +}; + +// Duplicates gray value 3 times and fills in alpha opaque. +__declspec(naked) void J400ToARGBRow_SSE2(const uint8_t* src_y, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, [esp + 4] // src_y + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + pcmpeqb xmm5, xmm5 // generate mask 0xff000000 + pslld xmm5, 24 + + convertloop: + movq xmm0, qword ptr [eax] + lea eax, [eax + 8] + punpcklbw xmm0, xmm0 + movdqa xmm1, xmm0 + punpcklwd xmm0, xmm0 + punpckhwd xmm1, xmm1 + por xmm0, xmm5 + por xmm1, xmm5 + movdqu [edx], xmm0 + movdqu [edx + 16], xmm1 + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + ret + } +} + +#ifdef HAS_J400TOARGBROW_AVX2 +// Duplicates gray value 3 times and fills in alpha opaque. +__declspec(naked) void J400ToARGBRow_AVX2(const uint8_t* src_y, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, [esp + 4] // src_y + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0xff000000 + vpslld ymm5, ymm5, 24 + + convertloop: + vmovdqu xmm0, [eax] + lea eax, [eax + 16] + vpermq ymm0, ymm0, 0xd8 + vpunpcklbw ymm0, ymm0, ymm0 + vpermq ymm0, ymm0, 0xd8 + vpunpckhwd ymm1, ymm0, ymm0 + vpunpcklwd ymm0, ymm0, ymm0 + vpor ymm0, ymm0, ymm5 + vpor ymm1, ymm1, ymm5 + vmovdqu [edx], ymm0 + vmovdqu [edx + 32], ymm1 + lea edx, [edx + 64] + sub ecx, 16 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_J400TOARGBROW_AVX2 + +__declspec(naked) void RGB24ToARGBRow_SSSE3(const uint8_t* src_rgb24, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, [esp + 4] // src_rgb24 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + pcmpeqb xmm5, xmm5 // generate mask 0xff000000 + pslld xmm5, 24 + movdqa xmm4, xmmword ptr kShuffleMaskRGB24ToARGB + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm3, [eax + 32] + lea eax, [eax + 48] + movdqa xmm2, xmm3 + palignr xmm2, xmm1, 8 // xmm2 = { xmm3[0:3] xmm1[8:15]} + pshufb xmm2, xmm4 + por xmm2, xmm5 + palignr xmm1, xmm0, 12 // xmm1 = { xmm3[0:7] xmm0[12:15]} + pshufb xmm0, xmm4 + movdqu [edx + 32], xmm2 + por xmm0, xmm5 + pshufb xmm1, xmm4 + movdqu [edx], xmm0 + por xmm1, xmm5 + palignr xmm3, xmm3, 4 // xmm3 = { xmm3[4:15]} + pshufb xmm3, xmm4 + movdqu [edx + 16], xmm1 + por xmm3, xmm5 + movdqu [edx + 48], xmm3 + lea edx, [edx + 64] + sub ecx, 16 + jg convertloop + ret + } +} + +__declspec(naked) void RAWToARGBRow_SSSE3(const uint8_t* src_raw, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, [esp + 4] // src_raw + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + pcmpeqb xmm5, xmm5 // generate mask 0xff000000 + pslld xmm5, 24 + movdqa xmm4, xmmword ptr kShuffleMaskRAWToARGB + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm3, [eax + 32] + lea eax, [eax + 48] + movdqa xmm2, xmm3 + palignr xmm2, xmm1, 8 // xmm2 = { xmm3[0:3] xmm1[8:15]} + pshufb xmm2, xmm4 + por xmm2, xmm5 + palignr xmm1, xmm0, 12 // xmm1 = { xmm3[0:7] xmm0[12:15]} + pshufb xmm0, xmm4 + movdqu [edx + 32], xmm2 + por xmm0, xmm5 + pshufb xmm1, xmm4 + movdqu [edx], xmm0 + por xmm1, xmm5 + palignr xmm3, xmm3, 4 // xmm3 = { xmm3[4:15]} + pshufb xmm3, xmm4 + movdqu [edx + 16], xmm1 + por xmm3, xmm5 + movdqu [edx + 48], xmm3 + lea edx, [edx + 64] + sub ecx, 16 + jg convertloop + ret + } +} + +__declspec(naked) void RAWToRGB24Row_SSSE3(const uint8_t* src_raw, + uint8_t* dst_rgb24, + int width) { + __asm { + mov eax, [esp + 4] // src_raw + mov edx, [esp + 8] // dst_rgb24 + mov ecx, [esp + 12] // width + movdqa xmm3, xmmword ptr kShuffleMaskRAWToRGB24_0 + movdqa xmm4, xmmword ptr kShuffleMaskRAWToRGB24_1 + movdqa xmm5, xmmword ptr kShuffleMaskRAWToRGB24_2 + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 4] + movdqu xmm2, [eax + 8] + lea eax, [eax + 24] + pshufb xmm0, xmm3 + pshufb xmm1, xmm4 + pshufb xmm2, xmm5 + movq qword ptr [edx], xmm0 + movq qword ptr [edx + 8], xmm1 + movq qword ptr [edx + 16], xmm2 + lea edx, [edx + 24] + sub ecx, 8 + jg convertloop + ret + } +} + +// pmul method to replicate bits. +// Math to replicate bits: +// (v << 8) | (v << 3) +// v * 256 + v * 8 +// v * (256 + 8) +// G shift of 5 is incorporated, so shift is 5 + 8 and 5 + 3 +// 20 instructions. +__declspec(naked) void RGB565ToARGBRow_SSE2(const uint8_t* src_rgb565, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, 0x01080108 // generate multiplier to repeat 5 bits + movd xmm5, eax + pshufd xmm5, xmm5, 0 + mov eax, 0x20802080 // multiplier shift by 5 and then repeat 6 bits + movd xmm6, eax + pshufd xmm6, xmm6, 0 + pcmpeqb xmm3, xmm3 // generate mask 0xf800f800 for Red + psllw xmm3, 11 + pcmpeqb xmm4, xmm4 // generate mask 0x07e007e0 for Green + psllw xmm4, 10 + psrlw xmm4, 5 + pcmpeqb xmm7, xmm7 // generate mask 0xff00ff00 for Alpha + psllw xmm7, 8 + + mov eax, [esp + 4] // src_rgb565 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + sub edx, eax + sub edx, eax + + convertloop: + movdqu xmm0, [eax] // fetch 8 pixels of bgr565 + movdqa xmm1, xmm0 + movdqa xmm2, xmm0 + pand xmm1, xmm3 // R in upper 5 bits + psllw xmm2, 11 // B in upper 5 bits + pmulhuw xmm1, xmm5 // * (256 + 8) + pmulhuw xmm2, xmm5 // * (256 + 8) + psllw xmm1, 8 + por xmm1, xmm2 // RB + pand xmm0, xmm4 // G in middle 6 bits + pmulhuw xmm0, xmm6 // << 5 * (256 + 4) + por xmm0, xmm7 // AG + movdqa xmm2, xmm1 + punpcklbw xmm1, xmm0 + punpckhbw xmm2, xmm0 + movdqu [eax * 2 + edx], xmm1 // store 4 pixels of ARGB + movdqu [eax * 2 + edx + 16], xmm2 // store next 4 pixels of ARGB + lea eax, [eax + 16] + sub ecx, 8 + jg convertloop + ret + } +} + +#ifdef HAS_RGB565TOARGBROW_AVX2 +// pmul method to replicate bits. +// Math to replicate bits: +// (v << 8) | (v << 3) +// v * 256 + v * 8 +// v * (256 + 8) +// G shift of 5 is incorporated, so shift is 5 + 8 and 5 + 3 +__declspec(naked) void RGB565ToARGBRow_AVX2(const uint8_t* src_rgb565, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, 0x01080108 // generate multiplier to repeat 5 bits + vmovd xmm5, eax + vbroadcastss ymm5, xmm5 + mov eax, 0x20802080 // multiplier shift by 5 and then repeat 6 bits + vmovd xmm6, eax + vbroadcastss ymm6, xmm6 + vpcmpeqb ymm3, ymm3, ymm3 // generate mask 0xf800f800 for Red + vpsllw ymm3, ymm3, 11 + vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0x07e007e0 for Green + vpsllw ymm4, ymm4, 10 + vpsrlw ymm4, ymm4, 5 + vpcmpeqb ymm7, ymm7, ymm7 // generate mask 0xff00ff00 for Alpha + vpsllw ymm7, ymm7, 8 + + mov eax, [esp + 4] // src_rgb565 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + sub edx, eax + sub edx, eax + + convertloop: + vmovdqu ymm0, [eax] // fetch 16 pixels of bgr565 + vpand ymm1, ymm0, ymm3 // R in upper 5 bits + vpsllw ymm2, ymm0, 11 // B in upper 5 bits + vpmulhuw ymm1, ymm1, ymm5 // * (256 + 8) + vpmulhuw ymm2, ymm2, ymm5 // * (256 + 8) + vpsllw ymm1, ymm1, 8 + vpor ymm1, ymm1, ymm2 // RB + vpand ymm0, ymm0, ymm4 // G in middle 6 bits + vpmulhuw ymm0, ymm0, ymm6 // << 5 * (256 + 4) + vpor ymm0, ymm0, ymm7 // AG + vpermq ymm0, ymm0, 0xd8 // mutate for unpack + vpermq ymm1, ymm1, 0xd8 + vpunpckhbw ymm2, ymm1, ymm0 + vpunpcklbw ymm1, ymm1, ymm0 + vmovdqu [eax * 2 + edx], ymm1 // store 4 pixels of ARGB + vmovdqu [eax * 2 + edx + 32], ymm2 // store next 4 pixels of ARGB + lea eax, [eax + 32] + sub ecx, 16 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_RGB565TOARGBROW_AVX2 + +#ifdef HAS_ARGB1555TOARGBROW_AVX2 +__declspec(naked) void ARGB1555ToARGBRow_AVX2(const uint8_t* src_argb1555, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, 0x01080108 // generate multiplier to repeat 5 bits + vmovd xmm5, eax + vbroadcastss ymm5, xmm5 + mov eax, 0x42004200 // multiplier shift by 6 and then repeat 5 bits + vmovd xmm6, eax + vbroadcastss ymm6, xmm6 + vpcmpeqb ymm3, ymm3, ymm3 // generate mask 0xf800f800 for Red + vpsllw ymm3, ymm3, 11 + vpsrlw ymm4, ymm3, 6 // generate mask 0x03e003e0 for Green + vpcmpeqb ymm7, ymm7, ymm7 // generate mask 0xff00ff00 for Alpha + vpsllw ymm7, ymm7, 8 + + mov eax, [esp + 4] // src_argb1555 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + sub edx, eax + sub edx, eax + + convertloop: + vmovdqu ymm0, [eax] // fetch 16 pixels of 1555 + vpsllw ymm1, ymm0, 1 // R in upper 5 bits + vpsllw ymm2, ymm0, 11 // B in upper 5 bits + vpand ymm1, ymm1, ymm3 + vpmulhuw ymm2, ymm2, ymm5 // * (256 + 8) + vpmulhuw ymm1, ymm1, ymm5 // * (256 + 8) + vpsllw ymm1, ymm1, 8 + vpor ymm1, ymm1, ymm2 // RB + vpsraw ymm2, ymm0, 8 // A + vpand ymm0, ymm0, ymm4 // G in middle 5 bits + vpmulhuw ymm0, ymm0, ymm6 // << 6 * (256 + 8) + vpand ymm2, ymm2, ymm7 + vpor ymm0, ymm0, ymm2 // AG + vpermq ymm0, ymm0, 0xd8 // mutate for unpack + vpermq ymm1, ymm1, 0xd8 + vpunpckhbw ymm2, ymm1, ymm0 + vpunpcklbw ymm1, ymm1, ymm0 + vmovdqu [eax * 2 + edx], ymm1 // store 8 pixels of ARGB + vmovdqu [eax * 2 + edx + 32], ymm2 // store next 8 pixels of ARGB + lea eax, [eax + 32] + sub ecx, 16 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_ARGB1555TOARGBROW_AVX2 + +#ifdef HAS_ARGB4444TOARGBROW_AVX2 +__declspec(naked) void ARGB4444ToARGBRow_AVX2(const uint8_t* src_argb4444, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, 0x0f0f0f0f // generate mask 0x0f0f0f0f + vmovd xmm4, eax + vbroadcastss ymm4, xmm4 + vpslld ymm5, ymm4, 4 // 0xf0f0f0f0 for high nibbles + mov eax, [esp + 4] // src_argb4444 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + sub edx, eax + sub edx, eax + + convertloop: + vmovdqu ymm0, [eax] // fetch 16 pixels of bgra4444 + vpand ymm2, ymm0, ymm5 // mask high nibbles + vpand ymm0, ymm0, ymm4 // mask low nibbles + vpsrlw ymm3, ymm2, 4 + vpsllw ymm1, ymm0, 4 + vpor ymm2, ymm2, ymm3 + vpor ymm0, ymm0, ymm1 + vpermq ymm0, ymm0, 0xd8 // mutate for unpack + vpermq ymm2, ymm2, 0xd8 + vpunpckhbw ymm1, ymm0, ymm2 + vpunpcklbw ymm0, ymm0, ymm2 + vmovdqu [eax * 2 + edx], ymm0 // store 8 pixels of ARGB + vmovdqu [eax * 2 + edx + 32], ymm1 // store next 8 pixels of ARGB + lea eax, [eax + 32] + sub ecx, 16 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_ARGB4444TOARGBROW_AVX2 + +// 24 instructions +__declspec(naked) void ARGB1555ToARGBRow_SSE2(const uint8_t* src_argb1555, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, 0x01080108 // generate multiplier to repeat 5 bits + movd xmm5, eax + pshufd xmm5, xmm5, 0 + mov eax, 0x42004200 // multiplier shift by 6 and then repeat 5 bits + movd xmm6, eax + pshufd xmm6, xmm6, 0 + pcmpeqb xmm3, xmm3 // generate mask 0xf800f800 for Red + psllw xmm3, 11 + movdqa xmm4, xmm3 // generate mask 0x03e003e0 for Green + psrlw xmm4, 6 + pcmpeqb xmm7, xmm7 // generate mask 0xff00ff00 for Alpha + psllw xmm7, 8 + + mov eax, [esp + 4] // src_argb1555 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + sub edx, eax + sub edx, eax + + convertloop: + movdqu xmm0, [eax] // fetch 8 pixels of 1555 + movdqa xmm1, xmm0 + movdqa xmm2, xmm0 + psllw xmm1, 1 // R in upper 5 bits + psllw xmm2, 11 // B in upper 5 bits + pand xmm1, xmm3 + pmulhuw xmm2, xmm5 // * (256 + 8) + pmulhuw xmm1, xmm5 // * (256 + 8) + psllw xmm1, 8 + por xmm1, xmm2 // RB + movdqa xmm2, xmm0 + pand xmm0, xmm4 // G in middle 5 bits + psraw xmm2, 8 // A + pmulhuw xmm0, xmm6 // << 6 * (256 + 8) + pand xmm2, xmm7 + por xmm0, xmm2 // AG + movdqa xmm2, xmm1 + punpcklbw xmm1, xmm0 + punpckhbw xmm2, xmm0 + movdqu [eax * 2 + edx], xmm1 // store 4 pixels of ARGB + movdqu [eax * 2 + edx + 16], xmm2 // store next 4 pixels of ARGB + lea eax, [eax + 16] + sub ecx, 8 + jg convertloop + ret + } +} + +// 18 instructions. +__declspec(naked) void ARGB4444ToARGBRow_SSE2(const uint8_t* src_argb4444, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, 0x0f0f0f0f // generate mask 0x0f0f0f0f + movd xmm4, eax + pshufd xmm4, xmm4, 0 + movdqa xmm5, xmm4 // 0xf0f0f0f0 for high nibbles + pslld xmm5, 4 + mov eax, [esp + 4] // src_argb4444 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + sub edx, eax + sub edx, eax + + convertloop: + movdqu xmm0, [eax] // fetch 8 pixels of bgra4444 + movdqa xmm2, xmm0 + pand xmm0, xmm4 // mask low nibbles + pand xmm2, xmm5 // mask high nibbles + movdqa xmm1, xmm0 + movdqa xmm3, xmm2 + psllw xmm1, 4 + psrlw xmm3, 4 + por xmm0, xmm1 + por xmm2, xmm3 + movdqa xmm1, xmm0 + punpcklbw xmm0, xmm2 + punpckhbw xmm1, xmm2 + movdqu [eax * 2 + edx], xmm0 // store 4 pixels of ARGB + movdqu [eax * 2 + edx + 16], xmm1 // store next 4 pixels of ARGB + lea eax, [eax + 16] + sub ecx, 8 + jg convertloop + ret + } +} + +__declspec(naked) void ARGBToRGB24Row_SSSE3(const uint8_t* src_argb, + uint8_t* dst_rgb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + mov ecx, [esp + 12] // width + movdqa xmm6, xmmword ptr kShuffleMaskARGBToRGB24 + + convertloop: + 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 + pshufb xmm2, xmm6 + pshufb xmm3, xmm6 + movdqa xmm4, xmm1 // 4 bytes from 1 for 0 + psrldq xmm1, 4 // 8 bytes from 1 + pslldq xmm4, 12 // 4 bytes from 1 for 0 + 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 + 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 + movdqu [edx + 16], xmm1 // store 1 + movdqu [edx + 32], xmm2 // store 2 + lea edx, [edx + 48] + sub ecx, 16 + jg convertloop + ret + } +} + +__declspec(naked) void ARGBToRAWRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_rgb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + mov ecx, [esp + 12] // width + movdqa xmm6, xmmword ptr kShuffleMaskARGBToRAW + + convertloop: + 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 + pshufb xmm2, xmm6 + pshufb xmm3, xmm6 + movdqa xmm4, xmm1 // 4 bytes from 1 for 0 + psrldq xmm1, 4 // 8 bytes from 1 + pslldq xmm4, 12 // 4 bytes from 1 for 0 + 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 + 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 + movdqu [edx + 16], xmm1 // store 1 + movdqu [edx + 32], xmm2 // store 2 + lea edx, [edx + 48] + sub ecx, 16 + jg convertloop + ret + } +} + +__declspec(naked) void ARGBToRGB565Row_SSE2(const uint8_t* src_argb, + uint8_t* dst_rgb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + mov ecx, [esp + 12] // width + pcmpeqb xmm3, xmm3 // generate mask 0x0000001f + psrld xmm3, 27 + pcmpeqb xmm4, xmm4 // generate mask 0x000007e0 + psrld xmm4, 26 + pslld xmm4, 5 + pcmpeqb xmm5, xmm5 // generate mask 0xfffff800 + pslld xmm5, 11 + + convertloop: + movdqu xmm0, [eax] // fetch 4 pixels of argb + movdqa xmm1, xmm0 // B + movdqa xmm2, xmm0 // G + pslld xmm0, 8 // R + psrld xmm1, 3 // B + psrld xmm2, 5 // G + psrad xmm0, 16 // R + pand xmm1, xmm3 // B + pand xmm2, xmm4 // G + pand xmm0, xmm5 // R + por xmm1, xmm2 // BG + por xmm0, xmm1 // BGR + packssdw xmm0, xmm0 + lea eax, [eax + 16] + movq qword ptr [edx], xmm0 // store 4 pixels of RGB565 + lea edx, [edx + 8] + sub ecx, 4 + jg convertloop + ret + } +} + +__declspec(naked) void ARGBToRGB565DitherRow_SSE2(const uint8_t* src_argb, + uint8_t* dst_rgb, + const uint32_t dither4, + int width) { + __asm { + + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + movd xmm6, [esp + 12] // dither4 + mov ecx, [esp + 16] // width + punpcklbw xmm6, xmm6 // make dither 16 bytes + movdqa xmm7, xmm6 + punpcklwd xmm6, xmm6 + punpckhwd xmm7, xmm7 + pcmpeqb xmm3, xmm3 // generate mask 0x0000001f + psrld xmm3, 27 + pcmpeqb xmm4, xmm4 // generate mask 0x000007e0 + psrld xmm4, 26 + pslld xmm4, 5 + pcmpeqb xmm5, xmm5 // generate mask 0xfffff800 + pslld xmm5, 11 + + convertloop: + movdqu xmm0, [eax] // fetch 4 pixels of argb + paddusb xmm0, xmm6 // add dither + movdqa xmm1, xmm0 // B + movdqa xmm2, xmm0 // G + pslld xmm0, 8 // R + psrld xmm1, 3 // B + psrld xmm2, 5 // G + psrad xmm0, 16 // R + pand xmm1, xmm3 // B + pand xmm2, xmm4 // G + pand xmm0, xmm5 // R + por xmm1, xmm2 // BG + por xmm0, xmm1 // BGR + packssdw xmm0, xmm0 + lea eax, [eax + 16] + movq qword ptr [edx], xmm0 // store 4 pixels of RGB565 + lea edx, [edx + 8] + sub ecx, 4 + jg convertloop + ret + } +} + +#ifdef HAS_ARGBTORGB565DITHERROW_AVX2 +__declspec(naked) void ARGBToRGB565DitherRow_AVX2(const uint8_t* src_argb, + uint8_t* dst_rgb, + const uint32_t dither4, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + vbroadcastss xmm6, [esp + 12] // dither4 + mov ecx, [esp + 16] // width + vpunpcklbw xmm6, xmm6, xmm6 // make dither 32 bytes + vpermq ymm6, ymm6, 0xd8 + vpunpcklwd ymm6, ymm6, ymm6 + vpcmpeqb ymm3, ymm3, ymm3 // generate mask 0x0000001f + vpsrld ymm3, ymm3, 27 + vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0x000007e0 + vpsrld ymm4, ymm4, 26 + vpslld ymm4, ymm4, 5 + vpslld ymm5, ymm3, 11 // generate mask 0x0000f800 + + convertloop: + vmovdqu ymm0, [eax] // fetch 8 pixels of argb + vpaddusb ymm0, ymm0, ymm6 // add dither + vpsrld ymm2, ymm0, 5 // G + vpsrld ymm1, ymm0, 3 // B + vpsrld ymm0, ymm0, 8 // R + vpand ymm2, ymm2, ymm4 // G + vpand ymm1, ymm1, ymm3 // B + vpand ymm0, ymm0, ymm5 // R + vpor ymm1, ymm1, ymm2 // BG + vpor ymm0, ymm0, ymm1 // BGR + vpackusdw ymm0, ymm0, ymm0 + vpermq ymm0, ymm0, 0xd8 + lea eax, [eax + 32] + vmovdqu [edx], xmm0 // store 8 pixels of RGB565 + lea edx, [edx + 16] + sub ecx, 8 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_ARGBTORGB565DITHERROW_AVX2 + +// TODO(fbarchard): Improve sign extension/packing. +__declspec(naked) void ARGBToARGB1555Row_SSE2(const uint8_t* src_argb, + uint8_t* dst_rgb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + mov ecx, [esp + 12] // width + pcmpeqb xmm4, xmm4 // generate mask 0x0000001f + psrld xmm4, 27 + movdqa xmm5, xmm4 // generate mask 0x000003e0 + pslld xmm5, 5 + movdqa xmm6, xmm4 // generate mask 0x00007c00 + pslld xmm6, 10 + pcmpeqb xmm7, xmm7 // generate mask 0xffff8000 + pslld xmm7, 15 + + convertloop: + movdqu xmm0, [eax] // fetch 4 pixels of argb + movdqa xmm1, xmm0 // B + movdqa xmm2, xmm0 // G + movdqa xmm3, xmm0 // R + psrad xmm0, 16 // A + psrld xmm1, 3 // B + psrld xmm2, 6 // G + psrld xmm3, 9 // R + pand xmm0, xmm7 // A + pand xmm1, xmm4 // B + pand xmm2, xmm5 // G + pand xmm3, xmm6 // R + por xmm0, xmm1 // BA + por xmm2, xmm3 // GR + por xmm0, xmm2 // BGRA + packssdw xmm0, xmm0 + lea eax, [eax + 16] + movq qword ptr [edx], xmm0 // store 4 pixels of ARGB1555 + lea edx, [edx + 8] + sub ecx, 4 + jg convertloop + ret + } +} + +__declspec(naked) void ARGBToARGB4444Row_SSE2(const uint8_t* src_argb, + uint8_t* dst_rgb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + mov ecx, [esp + 12] // width + pcmpeqb xmm4, xmm4 // generate mask 0xf000f000 + psllw xmm4, 12 + movdqa xmm3, xmm4 // generate mask 0x00f000f0 + psrlw xmm3, 8 + + convertloop: + movdqu xmm0, [eax] // fetch 4 pixels of argb + movdqa xmm1, xmm0 + pand xmm0, xmm3 // low nibble + pand xmm1, xmm4 // high nibble + psrld xmm0, 4 + psrld xmm1, 8 + por xmm0, xmm1 + packuswb xmm0, xmm0 + lea eax, [eax + 16] + movq qword ptr [edx], xmm0 // store 4 pixels of ARGB4444 + lea edx, [edx + 8] + sub ecx, 4 + jg convertloop + ret + } +} + +#ifdef HAS_ARGBTORGB565ROW_AVX2 +__declspec(naked) void ARGBToRGB565Row_AVX2(const uint8_t* src_argb, + uint8_t* dst_rgb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + mov ecx, [esp + 12] // width + vpcmpeqb ymm3, ymm3, ymm3 // generate mask 0x0000001f + vpsrld ymm3, ymm3, 27 + vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0x000007e0 + vpsrld ymm4, ymm4, 26 + vpslld ymm4, ymm4, 5 + vpslld ymm5, ymm3, 11 // generate mask 0x0000f800 + + convertloop: + vmovdqu ymm0, [eax] // fetch 8 pixels of argb + vpsrld ymm2, ymm0, 5 // G + vpsrld ymm1, ymm0, 3 // B + vpsrld ymm0, ymm0, 8 // R + vpand ymm2, ymm2, ymm4 // G + vpand ymm1, ymm1, ymm3 // B + vpand ymm0, ymm0, ymm5 // R + vpor ymm1, ymm1, ymm2 // BG + vpor ymm0, ymm0, ymm1 // BGR + vpackusdw ymm0, ymm0, ymm0 + vpermq ymm0, ymm0, 0xd8 + lea eax, [eax + 32] + vmovdqu [edx], xmm0 // store 8 pixels of RGB565 + lea edx, [edx + 16] + sub ecx, 8 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_ARGBTORGB565ROW_AVX2 + +#ifdef HAS_ARGBTOARGB1555ROW_AVX2 +__declspec(naked) void ARGBToARGB1555Row_AVX2(const uint8_t* src_argb, + uint8_t* dst_rgb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + mov ecx, [esp + 12] // width + vpcmpeqb ymm4, ymm4, ymm4 + vpsrld ymm4, ymm4, 27 // generate mask 0x0000001f + vpslld ymm5, ymm4, 5 // generate mask 0x000003e0 + vpslld ymm6, ymm4, 10 // generate mask 0x00007c00 + vpcmpeqb ymm7, ymm7, ymm7 // generate mask 0xffff8000 + vpslld ymm7, ymm7, 15 + + convertloop: + vmovdqu ymm0, [eax] // fetch 8 pixels of argb + vpsrld ymm3, ymm0, 9 // R + vpsrld ymm2, ymm0, 6 // G + vpsrld ymm1, ymm0, 3 // B + vpsrad ymm0, ymm0, 16 // A + vpand ymm3, ymm3, ymm6 // R + vpand ymm2, ymm2, ymm5 // G + vpand ymm1, ymm1, ymm4 // B + vpand ymm0, ymm0, ymm7 // A + vpor ymm0, ymm0, ymm1 // BA + vpor ymm2, ymm2, ymm3 // GR + vpor ymm0, ymm0, ymm2 // BGRA + vpackssdw ymm0, ymm0, ymm0 + vpermq ymm0, ymm0, 0xd8 + lea eax, [eax + 32] + vmovdqu [edx], xmm0 // store 8 pixels of ARGB1555 + lea edx, [edx + 16] + sub ecx, 8 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_ARGBTOARGB1555ROW_AVX2 + +#ifdef HAS_ARGBTOARGB4444ROW_AVX2 +__declspec(naked) void ARGBToARGB4444Row_AVX2(const uint8_t* src_argb, + uint8_t* dst_rgb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_rgb + mov ecx, [esp + 12] // width + vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0xf000f000 + vpsllw ymm4, ymm4, 12 + vpsrlw ymm3, ymm4, 8 // generate mask 0x00f000f0 + + convertloop: + vmovdqu ymm0, [eax] // fetch 8 pixels of argb + vpand ymm1, ymm0, ymm4 // high nibble + vpand ymm0, ymm0, ymm3 // low nibble + vpsrld ymm1, ymm1, 8 + vpsrld ymm0, ymm0, 4 + vpor ymm0, ymm0, ymm1 + vpackuswb ymm0, ymm0, ymm0 + vpermq ymm0, ymm0, 0xd8 + lea eax, [eax + 32] + vmovdqu [edx], xmm0 // store 8 pixels of ARGB4444 + lea edx, [edx + 16] + sub ecx, 8 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_ARGBTOARGB4444ROW_AVX2 + +// Convert 16 ARGB pixels (64 bytes) to 16 Y values. +__declspec(naked) void ARGBToYRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_y */ + mov ecx, [esp + 12] /* width */ + movdqa xmm4, xmmword ptr kARGBToY + movdqa xmm5, xmmword ptr kAddY16 + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + 32] + movdqu xmm3, [eax + 48] + pmaddubsw xmm0, xmm4 + pmaddubsw xmm1, xmm4 + pmaddubsw xmm2, xmm4 + pmaddubsw xmm3, xmm4 + lea eax, [eax + 64] + phaddw xmm0, xmm1 + phaddw xmm2, xmm3 + psrlw xmm0, 7 + psrlw xmm2, 7 + packuswb xmm0, xmm2 + paddb xmm0, xmm5 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + ret + } +} + +// Convert 16 ARGB pixels (64 bytes) to 16 YJ values. +// Same as ARGBToYRow but different coefficients, no add 16, but do rounding. +__declspec(naked) void ARGBToYJRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_y */ + mov ecx, [esp + 12] /* width */ + movdqa xmm4, xmmword ptr kARGBToYJ + movdqa xmm5, xmmword ptr kAddYJ64 + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + 32] + movdqu xmm3, [eax + 48] + pmaddubsw xmm0, xmm4 + pmaddubsw xmm1, xmm4 + pmaddubsw xmm2, xmm4 + pmaddubsw xmm3, xmm4 + lea eax, [eax + 64] + phaddw xmm0, xmm1 + phaddw xmm2, xmm3 + paddw xmm0, xmm5 // Add .5 for rounding. + paddw xmm2, xmm5 + psrlw xmm0, 7 + psrlw xmm2, 7 + packuswb xmm0, xmm2 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + ret + } +} + +#ifdef HAS_ARGBTOYROW_AVX2 +// vpermd for vphaddw + vpackuswb vpermd. +static const lvec32 kPermdARGBToY_AVX = {0, 4, 1, 5, 2, 6, 3, 7}; + +// Convert 32 ARGB pixels (128 bytes) to 32 Y values. +__declspec(naked) void ARGBToYRow_AVX2(const uint8_t* src_argb, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_y */ + mov ecx, [esp + 12] /* width */ + vbroadcastf128 ymm4, xmmword ptr kARGBToY + vbroadcastf128 ymm5, xmmword ptr kAddY16 + vmovdqu ymm6, ymmword ptr kPermdARGBToY_AVX + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + vmovdqu ymm2, [eax + 64] + vmovdqu ymm3, [eax + 96] + vpmaddubsw ymm0, ymm0, ymm4 + vpmaddubsw ymm1, ymm1, ymm4 + vpmaddubsw ymm2, ymm2, ymm4 + vpmaddubsw ymm3, ymm3, ymm4 + lea eax, [eax + 128] + vphaddw ymm0, ymm0, ymm1 // mutates. + vphaddw ymm2, ymm2, ymm3 + vpsrlw ymm0, ymm0, 7 + vpsrlw ymm2, ymm2, 7 + vpackuswb ymm0, ymm0, ymm2 // mutates. + vpermd ymm0, ymm6, ymm0 // For vphaddw + vpackuswb mutation. + vpaddb ymm0, ymm0, ymm5 // add 16 for Y + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 32 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_ARGBTOYROW_AVX2 + +#ifdef HAS_ARGBTOYJROW_AVX2 +// Convert 32 ARGB pixels (128 bytes) to 32 Y values. +__declspec(naked) void ARGBToYJRow_AVX2(const uint8_t* src_argb, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_y */ + mov ecx, [esp + 12] /* width */ + vbroadcastf128 ymm4, xmmword ptr kARGBToYJ + vbroadcastf128 ymm5, xmmword ptr kAddYJ64 + vmovdqu ymm6, ymmword ptr kPermdARGBToY_AVX + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + vmovdqu ymm2, [eax + 64] + vmovdqu ymm3, [eax + 96] + vpmaddubsw ymm0, ymm0, ymm4 + vpmaddubsw ymm1, ymm1, ymm4 + vpmaddubsw ymm2, ymm2, ymm4 + vpmaddubsw ymm3, ymm3, ymm4 + lea eax, [eax + 128] + vphaddw ymm0, ymm0, ymm1 // mutates. + vphaddw ymm2, ymm2, ymm3 + vpaddw ymm0, ymm0, ymm5 // Add .5 for rounding. + vpaddw ymm2, ymm2, ymm5 + vpsrlw ymm0, ymm0, 7 + vpsrlw ymm2, ymm2, 7 + vpackuswb ymm0, ymm0, ymm2 // mutates. + vpermd ymm0, ymm6, ymm0 // For vphaddw + vpackuswb mutation. + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 32 + jg convertloop + + vzeroupper + ret + } +} +#endif // HAS_ARGBTOYJROW_AVX2 + +__declspec(naked) void BGRAToYRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_y */ + mov ecx, [esp + 12] /* width */ + movdqa xmm4, xmmword ptr kBGRAToY + movdqa xmm5, xmmword ptr kAddY16 + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + 32] + movdqu xmm3, [eax + 48] + pmaddubsw xmm0, xmm4 + pmaddubsw xmm1, xmm4 + pmaddubsw xmm2, xmm4 + pmaddubsw xmm3, xmm4 + lea eax, [eax + 64] + phaddw xmm0, xmm1 + phaddw xmm2, xmm3 + psrlw xmm0, 7 + psrlw xmm2, 7 + packuswb xmm0, xmm2 + paddb xmm0, xmm5 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + ret + } +} + +__declspec(naked) void ABGRToYRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_y */ + mov ecx, [esp + 12] /* width */ + movdqa xmm4, xmmword ptr kABGRToY + movdqa xmm5, xmmword ptr kAddY16 + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + 32] + movdqu xmm3, [eax + 48] + pmaddubsw xmm0, xmm4 + pmaddubsw xmm1, xmm4 + pmaddubsw xmm2, xmm4 + pmaddubsw xmm3, xmm4 + lea eax, [eax + 64] + phaddw xmm0, xmm1 + phaddw xmm2, xmm3 + psrlw xmm0, 7 + psrlw xmm2, 7 + packuswb xmm0, xmm2 + paddb xmm0, xmm5 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + ret + } +} + +__declspec(naked) void RGBAToYRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_y */ + mov ecx, [esp + 12] /* width */ + movdqa xmm4, xmmword ptr kRGBAToY + movdqa xmm5, xmmword ptr kAddY16 + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + 32] + movdqu xmm3, [eax + 48] + pmaddubsw xmm0, xmm4 + pmaddubsw xmm1, xmm4 + pmaddubsw xmm2, xmm4 + pmaddubsw xmm3, xmm4 + lea eax, [eax + 64] + phaddw xmm0, xmm1 + phaddw xmm2, xmm3 + psrlw xmm0, 7 + psrlw xmm2, 7 + packuswb xmm0, xmm2 + paddb xmm0, xmm5 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + ret + } +} + +__declspec(naked) void ARGBToUVRow_SSSE3(const uint8_t* src_argb0, + int src_stride_argb, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_argb + mov esi, [esp + 8 + 8] // src_stride_argb + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + movdqa xmm5, xmmword ptr kAddUV128 + movdqa xmm6, xmmword ptr kARGBToV + movdqa xmm7, xmmword ptr kARGBToU + sub edi, edx // stride from u to v + + convertloop: + /* step 1 - subsample 16x2 argb pixels to 8x1 */ + movdqu xmm0, [eax] + movdqu xmm4, [eax + esi] + pavgb xmm0, xmm4 + movdqu xmm1, [eax + 16] + movdqu xmm4, [eax + esi + 16] + pavgb xmm1, xmm4 + movdqu xmm2, [eax + 32] + movdqu xmm4, [eax + esi + 32] + pavgb xmm2, xmm4 + movdqu xmm3, [eax + 48] + movdqu xmm4, [eax + esi + 48] + pavgb xmm3, xmm4 + + lea eax, [eax + 64] + movdqa xmm4, xmm0 + shufps xmm0, xmm1, 0x88 + shufps xmm4, xmm1, 0xdd + pavgb xmm0, xmm4 + movdqa xmm4, xmm2 + shufps xmm2, xmm3, 0x88 + shufps xmm4, xmm3, 0xdd + pavgb xmm2, xmm4 + + // step 2 - convert to U and V + // from here down is very similar to Y code except + // instead of 16 different pixels, its 8 pixels of U and 8 of V + movdqa xmm1, xmm0 + movdqa xmm3, xmm2 + pmaddubsw xmm0, xmm7 // U + pmaddubsw xmm2, xmm7 + pmaddubsw xmm1, xmm6 // V + pmaddubsw xmm3, xmm6 + phaddw xmm0, xmm2 + phaddw xmm1, xmm3 + psraw xmm0, 8 + psraw xmm1, 8 + packsswb xmm0, xmm1 + paddb xmm0, xmm5 // -> unsigned + + // step 3 - store 8 U and 8 V values + movlps qword ptr [edx], xmm0 // U + movhps qword ptr [edx + edi], xmm0 // V + lea edx, [edx + 8] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} + +__declspec(naked) void ARGBToUVJRow_SSSE3(const uint8_t* src_argb0, + int src_stride_argb, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_argb + mov esi, [esp + 8 + 8] // src_stride_argb + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + movdqa xmm5, xmmword ptr kAddUVJ128 + movdqa xmm6, xmmword ptr kARGBToVJ + movdqa xmm7, xmmword ptr kARGBToUJ + sub edi, edx // stride from u to v + + convertloop: + /* step 1 - subsample 16x2 argb pixels to 8x1 */ + movdqu xmm0, [eax] + movdqu xmm4, [eax + esi] + pavgb xmm0, xmm4 + movdqu xmm1, [eax + 16] + movdqu xmm4, [eax + esi + 16] + pavgb xmm1, xmm4 + movdqu xmm2, [eax + 32] + movdqu xmm4, [eax + esi + 32] + pavgb xmm2, xmm4 + movdqu xmm3, [eax + 48] + movdqu xmm4, [eax + esi + 48] + pavgb xmm3, xmm4 + + lea eax, [eax + 64] + movdqa xmm4, xmm0 + shufps xmm0, xmm1, 0x88 + shufps xmm4, xmm1, 0xdd + pavgb xmm0, xmm4 + movdqa xmm4, xmm2 + shufps xmm2, xmm3, 0x88 + shufps xmm4, xmm3, 0xdd + pavgb xmm2, xmm4 + + // step 2 - convert to U and V + // from here down is very similar to Y code except + // instead of 16 different pixels, its 8 pixels of U and 8 of V + movdqa xmm1, xmm0 + movdqa xmm3, xmm2 + pmaddubsw xmm0, xmm7 // U + pmaddubsw xmm2, xmm7 + pmaddubsw xmm1, xmm6 // V + pmaddubsw xmm3, xmm6 + phaddw xmm0, xmm2 + phaddw xmm1, xmm3 + paddw xmm0, xmm5 // +.5 rounding -> unsigned + paddw xmm1, xmm5 + psraw xmm0, 8 + psraw xmm1, 8 + packsswb xmm0, xmm1 + + // step 3 - store 8 U and 8 V values + movlps qword ptr [edx], xmm0 // U + movhps qword ptr [edx + edi], xmm0 // V + lea edx, [edx + 8] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} + +#ifdef HAS_ARGBTOUVROW_AVX2 +__declspec(naked) void ARGBToUVRow_AVX2(const uint8_t* src_argb0, + int src_stride_argb, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_argb + mov esi, [esp + 8 + 8] // src_stride_argb + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + vbroadcastf128 ymm5, xmmword ptr kAddUV128 + vbroadcastf128 ymm6, xmmword ptr kARGBToV + vbroadcastf128 ymm7, xmmword ptr kARGBToU + sub edi, edx // stride from u to v + + convertloop: + /* step 1 - subsample 32x2 argb pixels to 16x1 */ + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + vmovdqu ymm2, [eax + 64] + vmovdqu ymm3, [eax + 96] + vpavgb ymm0, ymm0, [eax + esi] + vpavgb ymm1, ymm1, [eax + esi + 32] + vpavgb ymm2, ymm2, [eax + esi + 64] + vpavgb ymm3, ymm3, [eax + esi + 96] + lea eax, [eax + 128] + vshufps ymm4, ymm0, ymm1, 0x88 + vshufps ymm0, ymm0, ymm1, 0xdd + vpavgb ymm0, ymm0, ymm4 // mutated by vshufps + vshufps ymm4, ymm2, ymm3, 0x88 + vshufps ymm2, ymm2, ymm3, 0xdd + vpavgb ymm2, ymm2, ymm4 // mutated by vshufps + + // step 2 - convert to U and V + // from here down is very similar to Y code except + // instead of 32 different pixels, its 16 pixels of U and 16 of V + vpmaddubsw ymm1, ymm0, ymm7 // U + vpmaddubsw ymm3, ymm2, ymm7 + vpmaddubsw ymm0, ymm0, ymm6 // V + vpmaddubsw ymm2, ymm2, ymm6 + vphaddw ymm1, ymm1, ymm3 // mutates + vphaddw ymm0, ymm0, ymm2 + vpsraw ymm1, ymm1, 8 + vpsraw ymm0, ymm0, 8 + vpacksswb ymm0, ymm1, ymm0 // mutates + vpermq ymm0, ymm0, 0xd8 // For vpacksswb + vpshufb ymm0, ymm0, ymmword ptr kShufARGBToUV_AVX // for vshufps/vphaddw + vpaddb ymm0, ymm0, ymm5 // -> unsigned + + // step 3 - store 16 U and 16 V values + vextractf128 [edx], ymm0, 0 // U + vextractf128 [edx + edi], ymm0, 1 // V + lea edx, [edx + 16] + sub ecx, 32 + jg convertloop + + pop edi + pop esi + vzeroupper + ret + } +} +#endif // HAS_ARGBTOUVROW_AVX2 + +#ifdef HAS_ARGBTOUVJROW_AVX2 +__declspec(naked) void ARGBToUVJRow_AVX2(const uint8_t* src_argb0, + int src_stride_argb, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_argb + mov esi, [esp + 8 + 8] // src_stride_argb + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + vbroadcastf128 ymm5, xmmword ptr kAddUVJ128 + vbroadcastf128 ymm6, xmmword ptr kARGBToVJ + vbroadcastf128 ymm7, xmmword ptr kARGBToUJ + sub edi, edx // stride from u to v + + convertloop: + /* step 1 - subsample 32x2 argb pixels to 16x1 */ + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + vmovdqu ymm2, [eax + 64] + vmovdqu ymm3, [eax + 96] + vpavgb ymm0, ymm0, [eax + esi] + vpavgb ymm1, ymm1, [eax + esi + 32] + vpavgb ymm2, ymm2, [eax + esi + 64] + vpavgb ymm3, ymm3, [eax + esi + 96] + lea eax, [eax + 128] + vshufps ymm4, ymm0, ymm1, 0x88 + vshufps ymm0, ymm0, ymm1, 0xdd + vpavgb ymm0, ymm0, ymm4 // mutated by vshufps + vshufps ymm4, ymm2, ymm3, 0x88 + vshufps ymm2, ymm2, ymm3, 0xdd + vpavgb ymm2, ymm2, ymm4 // mutated by vshufps + + // step 2 - convert to U and V + // from here down is very similar to Y code except + // instead of 32 different pixels, its 16 pixels of U and 16 of V + vpmaddubsw ymm1, ymm0, ymm7 // U + vpmaddubsw ymm3, ymm2, ymm7 + vpmaddubsw ymm0, ymm0, ymm6 // V + vpmaddubsw ymm2, ymm2, ymm6 + vphaddw ymm1, ymm1, ymm3 // mutates + vphaddw ymm0, ymm0, ymm2 + vpaddw ymm1, ymm1, ymm5 // +.5 rounding -> unsigned + vpaddw ymm0, ymm0, ymm5 + vpsraw ymm1, ymm1, 8 + vpsraw ymm0, ymm0, 8 + vpacksswb ymm0, ymm1, ymm0 // mutates + vpermq ymm0, ymm0, 0xd8 // For vpacksswb + vpshufb ymm0, ymm0, ymmword ptr kShufARGBToUV_AVX // for vshufps/vphaddw + + // step 3 - store 16 U and 16 V values + vextractf128 [edx], ymm0, 0 // U + vextractf128 [edx + edi], ymm0, 1 // V + lea edx, [edx + 16] + sub ecx, 32 + jg convertloop + + pop edi + pop esi + vzeroupper + ret + } +} +#endif // HAS_ARGBTOUVJROW_AVX2 + +__declspec(naked) void ARGBToUV444Row_SSSE3(const uint8_t* src_argb0, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src_argb + mov edx, [esp + 4 + 8] // dst_u + mov edi, [esp + 4 + 12] // dst_v + mov ecx, [esp + 4 + 16] // width + movdqa xmm5, xmmword ptr kAddUV128 + movdqa xmm6, xmmword ptr kARGBToV + movdqa xmm7, xmmword ptr kARGBToU + sub edi, edx // stride from u to v + + convertloop: + /* convert to U and V */ + movdqu xmm0, [eax] // U + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + 32] + movdqu xmm3, [eax + 48] + pmaddubsw xmm0, xmm7 + pmaddubsw xmm1, xmm7 + pmaddubsw xmm2, xmm7 + pmaddubsw xmm3, xmm7 + phaddw xmm0, xmm1 + phaddw xmm2, xmm3 + psraw xmm0, 8 + psraw xmm2, 8 + packsswb xmm0, xmm2 + paddb xmm0, xmm5 + movdqu [edx], xmm0 + + movdqu xmm0, [eax] // V + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + 32] + movdqu xmm3, [eax + 48] + pmaddubsw xmm0, xmm6 + pmaddubsw xmm1, xmm6 + pmaddubsw xmm2, xmm6 + pmaddubsw xmm3, xmm6 + phaddw xmm0, xmm1 + phaddw xmm2, xmm3 + psraw xmm0, 8 + psraw xmm2, 8 + packsswb xmm0, xmm2 + paddb xmm0, xmm5 + lea eax, [eax + 64] + movdqu [edx + edi], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + + pop edi + ret + } +} + +__declspec(naked) void BGRAToUVRow_SSSE3(const uint8_t* src_argb0, + int src_stride_argb, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_argb + mov esi, [esp + 8 + 8] // src_stride_argb + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + movdqa xmm5, xmmword ptr kAddUV128 + movdqa xmm6, xmmword ptr kBGRAToV + movdqa xmm7, xmmword ptr kBGRAToU + sub edi, edx // stride from u to v + + convertloop: + /* step 1 - subsample 16x2 argb pixels to 8x1 */ + movdqu xmm0, [eax] + movdqu xmm4, [eax + esi] + pavgb xmm0, xmm4 + movdqu xmm1, [eax + 16] + movdqu xmm4, [eax + esi + 16] + pavgb xmm1, xmm4 + movdqu xmm2, [eax + 32] + movdqu xmm4, [eax + esi + 32] + pavgb xmm2, xmm4 + movdqu xmm3, [eax + 48] + movdqu xmm4, [eax + esi + 48] + pavgb xmm3, xmm4 + + lea eax, [eax + 64] + movdqa xmm4, xmm0 + shufps xmm0, xmm1, 0x88 + shufps xmm4, xmm1, 0xdd + pavgb xmm0, xmm4 + movdqa xmm4, xmm2 + shufps xmm2, xmm3, 0x88 + shufps xmm4, xmm3, 0xdd + pavgb xmm2, xmm4 + + // step 2 - convert to U and V + // from here down is very similar to Y code except + // instead of 16 different pixels, its 8 pixels of U and 8 of V + movdqa xmm1, xmm0 + movdqa xmm3, xmm2 + pmaddubsw xmm0, xmm7 // U + pmaddubsw xmm2, xmm7 + pmaddubsw xmm1, xmm6 // V + pmaddubsw xmm3, xmm6 + phaddw xmm0, xmm2 + phaddw xmm1, xmm3 + psraw xmm0, 8 + psraw xmm1, 8 + packsswb xmm0, xmm1 + paddb xmm0, xmm5 // -> unsigned + + // step 3 - store 8 U and 8 V values + movlps qword ptr [edx], xmm0 // U + movhps qword ptr [edx + edi], xmm0 // V + lea edx, [edx + 8] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} + +__declspec(naked) void ABGRToUVRow_SSSE3(const uint8_t* src_argb0, + int src_stride_argb, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_argb + mov esi, [esp + 8 + 8] // src_stride_argb + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + movdqa xmm5, xmmword ptr kAddUV128 + movdqa xmm6, xmmword ptr kABGRToV + movdqa xmm7, xmmword ptr kABGRToU + sub edi, edx // stride from u to v + + convertloop: + /* step 1 - subsample 16x2 argb pixels to 8x1 */ + movdqu xmm0, [eax] + movdqu xmm4, [eax + esi] + pavgb xmm0, xmm4 + movdqu xmm1, [eax + 16] + movdqu xmm4, [eax + esi + 16] + pavgb xmm1, xmm4 + movdqu xmm2, [eax + 32] + movdqu xmm4, [eax + esi + 32] + pavgb xmm2, xmm4 + movdqu xmm3, [eax + 48] + movdqu xmm4, [eax + esi + 48] + pavgb xmm3, xmm4 + + lea eax, [eax + 64] + movdqa xmm4, xmm0 + shufps xmm0, xmm1, 0x88 + shufps xmm4, xmm1, 0xdd + pavgb xmm0, xmm4 + movdqa xmm4, xmm2 + shufps xmm2, xmm3, 0x88 + shufps xmm4, xmm3, 0xdd + pavgb xmm2, xmm4 + + // step 2 - convert to U and V + // from here down is very similar to Y code except + // instead of 16 different pixels, its 8 pixels of U and 8 of V + movdqa xmm1, xmm0 + movdqa xmm3, xmm2 + pmaddubsw xmm0, xmm7 // U + pmaddubsw xmm2, xmm7 + pmaddubsw xmm1, xmm6 // V + pmaddubsw xmm3, xmm6 + phaddw xmm0, xmm2 + phaddw xmm1, xmm3 + psraw xmm0, 8 + psraw xmm1, 8 + packsswb xmm0, xmm1 + paddb xmm0, xmm5 // -> unsigned + + // step 3 - store 8 U and 8 V values + movlps qword ptr [edx], xmm0 // U + movhps qword ptr [edx + edi], xmm0 // V + lea edx, [edx + 8] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} + +__declspec(naked) void RGBAToUVRow_SSSE3(const uint8_t* src_argb0, + int src_stride_argb, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_argb + mov esi, [esp + 8 + 8] // src_stride_argb + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + movdqa xmm5, xmmword ptr kAddUV128 + movdqa xmm6, xmmword ptr kRGBAToV + movdqa xmm7, xmmword ptr kRGBAToU + sub edi, edx // stride from u to v + + convertloop: + /* step 1 - subsample 16x2 argb pixels to 8x1 */ + movdqu xmm0, [eax] + movdqu xmm4, [eax + esi] + pavgb xmm0, xmm4 + movdqu xmm1, [eax + 16] + movdqu xmm4, [eax + esi + 16] + pavgb xmm1, xmm4 + movdqu xmm2, [eax + 32] + movdqu xmm4, [eax + esi + 32] + pavgb xmm2, xmm4 + movdqu xmm3, [eax + 48] + movdqu xmm4, [eax + esi + 48] + pavgb xmm3, xmm4 + + lea eax, [eax + 64] + movdqa xmm4, xmm0 + shufps xmm0, xmm1, 0x88 + shufps xmm4, xmm1, 0xdd + pavgb xmm0, xmm4 + movdqa xmm4, xmm2 + shufps xmm2, xmm3, 0x88 + shufps xmm4, xmm3, 0xdd + pavgb xmm2, xmm4 + + // step 2 - convert to U and V + // from here down is very similar to Y code except + // instead of 16 different pixels, its 8 pixels of U and 8 of V + movdqa xmm1, xmm0 + movdqa xmm3, xmm2 + pmaddubsw xmm0, xmm7 // U + pmaddubsw xmm2, xmm7 + pmaddubsw xmm1, xmm6 // V + pmaddubsw xmm3, xmm6 + phaddw xmm0, xmm2 + phaddw xmm1, xmm3 + psraw xmm0, 8 + psraw xmm1, 8 + packsswb xmm0, xmm1 + paddb xmm0, xmm5 // -> unsigned + + // step 3 - store 8 U and 8 V values + movlps qword ptr [edx], xmm0 // U + movhps qword ptr [edx + edi], xmm0 // V + lea edx, [edx + 8] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} +#endif // HAS_ARGBTOYROW_SSSE3 + +// Read 16 UV from 444 +#define READYUV444_AVX2 \ + __asm { \ + __asm vmovdqu xmm0, [esi] /* U */ \ + __asm vmovdqu xmm1, [esi + edi] /* V */ \ + __asm lea esi, [esi + 16] \ + __asm vpermq ymm0, ymm0, 0xd8 \ + __asm vpermq ymm1, ymm1, 0xd8 \ + __asm vpunpcklbw ymm0, ymm0, ymm1 /* UV */ \ + __asm vmovdqu xmm4, [eax] /* Y */ \ + __asm vpermq ymm4, ymm4, 0xd8 \ + __asm vpunpcklbw ymm4, ymm4, ymm4 \ + __asm lea eax, [eax + 16]} + +// Read 8 UV from 422, upsample to 16 UV. +#define READYUV422_AVX2 \ + __asm { \ + __asm vmovq xmm0, qword ptr [esi] /* U */ \ + __asm vmovq xmm1, qword ptr [esi + edi] /* V */ \ + __asm lea esi, [esi + 8] \ + __asm vpunpcklbw ymm0, ymm0, ymm1 /* UV */ \ + __asm vpermq ymm0, ymm0, 0xd8 \ + __asm vpunpcklwd ymm0, ymm0, ymm0 /* UVUV (upsample) */ \ + __asm vmovdqu xmm4, [eax] /* Y */ \ + __asm vpermq ymm4, ymm4, 0xd8 \ + __asm vpunpcklbw ymm4, ymm4, ymm4 \ + __asm lea eax, [eax + 16]} + +// Read 8 UV from 422, upsample to 16 UV. With 16 Alpha. +#define READYUVA422_AVX2 \ + __asm { \ + __asm vmovq xmm0, qword ptr [esi] /* U */ \ + __asm vmovq xmm1, qword ptr [esi + edi] /* V */ \ + __asm lea esi, [esi + 8] \ + __asm vpunpcklbw ymm0, ymm0, ymm1 /* UV */ \ + __asm vpermq ymm0, ymm0, 0xd8 \ + __asm vpunpcklwd ymm0, ymm0, ymm0 /* UVUV (upsample) */ \ + __asm vmovdqu xmm4, [eax] /* Y */ \ + __asm vpermq ymm4, ymm4, 0xd8 \ + __asm vpunpcklbw ymm4, ymm4, ymm4 \ + __asm lea eax, [eax + 16] \ + __asm vmovdqu xmm5, [ebp] /* A */ \ + __asm vpermq ymm5, ymm5, 0xd8 \ + __asm lea ebp, [ebp + 16]} + +// Read 8 UV from NV12, upsample to 16 UV. +#define READNV12_AVX2 \ + __asm { \ + __asm vmovdqu xmm0, [esi] /* UV */ \ + __asm lea esi, [esi + 16] \ + __asm vpermq ymm0, ymm0, 0xd8 \ + __asm vpunpcklwd ymm0, ymm0, ymm0 /* UVUV (upsample) */ \ + __asm vmovdqu xmm4, [eax] /* Y */ \ + __asm vpermq ymm4, ymm4, 0xd8 \ + __asm vpunpcklbw ymm4, ymm4, ymm4 \ + __asm lea eax, [eax + 16]} + +// Read 8 UV from NV21, upsample to 16 UV. +#define READNV21_AVX2 \ + __asm { \ + __asm vmovdqu xmm0, [esi] /* UV */ \ + __asm lea esi, [esi + 16] \ + __asm vpermq ymm0, ymm0, 0xd8 \ + __asm vpshufb ymm0, ymm0, ymmword ptr kShuffleNV21 \ + __asm vmovdqu xmm4, [eax] /* Y */ \ + __asm vpermq ymm4, ymm4, 0xd8 \ + __asm vpunpcklbw ymm4, ymm4, ymm4 \ + __asm lea eax, [eax + 16]} + +// Read 8 YUY2 with 16 Y and upsample 8 UV to 16 UV. +#define READYUY2_AVX2 \ + __asm { \ + __asm vmovdqu ymm4, [eax] /* YUY2 */ \ + __asm vpshufb ymm4, ymm4, ymmword ptr kShuffleYUY2Y \ + __asm vmovdqu ymm0, [eax] /* UV */ \ + __asm vpshufb ymm0, ymm0, ymmword ptr kShuffleYUY2UV \ + __asm lea eax, [eax + 32]} + +// Read 8 UYVY with 16 Y and upsample 8 UV to 16 UV. +#define READUYVY_AVX2 \ + __asm { \ + __asm vmovdqu ymm4, [eax] /* UYVY */ \ + __asm vpshufb ymm4, ymm4, ymmword ptr kShuffleUYVYY \ + __asm vmovdqu ymm0, [eax] /* UV */ \ + __asm vpshufb ymm0, ymm0, ymmword ptr kShuffleUYVYUV \ + __asm lea eax, [eax + 32]} + +// Convert 16 pixels: 16 UV and 16 Y. +#define YUVTORGB_AVX2(YuvConstants) \ + __asm { \ + __asm vpmaddubsw ymm2, ymm0, ymmword ptr [YuvConstants + KUVTOR] /* R UV */\ + __asm vpmaddubsw ymm1, ymm0, ymmword ptr [YuvConstants + KUVTOG] /* G UV */\ + __asm vpmaddubsw ymm0, ymm0, ymmword ptr [YuvConstants + KUVTOB] /* B UV */\ + __asm vmovdqu ymm3, ymmword ptr [YuvConstants + KUVBIASR] \ + __asm vpsubw ymm2, ymm3, ymm2 \ + __asm vmovdqu ymm3, ymmword ptr [YuvConstants + KUVBIASG] \ + __asm vpsubw ymm1, ymm3, ymm1 \ + __asm vmovdqu ymm3, ymmword ptr [YuvConstants + KUVBIASB] \ + __asm vpsubw ymm0, ymm3, ymm0 /* Step 2: Find Y contribution to 16 R,G,B values */ \ + __asm vpmulhuw ymm4, ymm4, ymmword ptr [YuvConstants + KYTORGB] \ + __asm vpaddsw ymm0, ymm0, ymm4 /* B += Y */ \ + __asm vpaddsw ymm1, ymm1, ymm4 /* G += Y */ \ + __asm vpaddsw ymm2, ymm2, ymm4 /* R += Y */ \ + __asm vpsraw ymm0, ymm0, 6 \ + __asm vpsraw ymm1, ymm1, 6 \ + __asm vpsraw ymm2, ymm2, 6 \ + __asm vpackuswb ymm0, ymm0, ymm0 /* B */ \ + __asm vpackuswb ymm1, ymm1, ymm1 /* G */ \ + __asm vpackuswb ymm2, ymm2, ymm2 /* R */ \ + } + +// Store 16 ARGB values. +#define STOREARGB_AVX2 \ + __asm { \ + __asm vpunpcklbw ymm0, ymm0, ymm1 /* BG */ \ + __asm vpermq ymm0, ymm0, 0xd8 \ + __asm vpunpcklbw ymm2, ymm2, ymm5 /* RA */ \ + __asm vpermq ymm2, ymm2, 0xd8 \ + __asm vpunpcklwd ymm1, ymm0, ymm2 /* BGRA first 8 pixels */ \ + __asm vpunpckhwd ymm0, ymm0, ymm2 /* BGRA next 8 pixels */ \ + __asm vmovdqu 0[edx], ymm1 \ + __asm vmovdqu 32[edx], ymm0 \ + __asm lea edx, [edx + 64]} + +// Store 16 RGBA values. +#define STORERGBA_AVX2 \ + __asm { \ + __asm vpunpcklbw ymm1, ymm1, ymm2 /* GR */ \ + __asm vpermq ymm1, ymm1, 0xd8 \ + __asm vpunpcklbw ymm2, ymm5, ymm0 /* AB */ \ + __asm vpermq ymm2, ymm2, 0xd8 \ + __asm vpunpcklwd ymm0, ymm2, ymm1 /* ABGR first 8 pixels */ \ + __asm vpunpckhwd ymm1, ymm2, ymm1 /* ABGR next 8 pixels */ \ + __asm vmovdqu [edx], ymm0 \ + __asm vmovdqu [edx + 32], ymm1 \ + __asm lea edx, [edx + 64]} + +#ifdef HAS_I422TOARGBROW_AVX2 +// 16 pixels +// 8 UV values upsampled to 16 UV, mixed with 16 Y producing 16 ARGB (64 bytes). +__declspec(naked) void I422ToARGBRow_AVX2( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + mov eax, [esp + 12 + 4] // Y + mov esi, [esp + 12 + 8] // U + mov edi, [esp + 12 + 12] // V + mov edx, [esp + 12 + 16] // argb + mov ebx, [esp + 12 + 20] // yuvconstants + mov ecx, [esp + 12 + 24] // width + sub edi, esi + vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha + + convertloop: + READYUV422_AVX2 + YUVTORGB_AVX2(ebx) + STOREARGB_AVX2 + + sub ecx, 16 + jg convertloop + + pop ebx + pop edi + pop esi + vzeroupper + ret + } +} +#endif // HAS_I422TOARGBROW_AVX2 + +#ifdef HAS_I422ALPHATOARGBROW_AVX2 +// 16 pixels +// 8 UV values upsampled to 16 UV, mixed with 16 Y and 16 A producing 16 ARGB. +__declspec(naked) void I422AlphaToARGBRow_AVX2( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + const uint8_t* a_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + push ebp + mov eax, [esp + 16 + 4] // Y + mov esi, [esp + 16 + 8] // U + mov edi, [esp + 16 + 12] // V + mov ebp, [esp + 16 + 16] // A + mov edx, [esp + 16 + 20] // argb + mov ebx, [esp + 16 + 24] // yuvconstants + mov ecx, [esp + 16 + 28] // width + sub edi, esi + + convertloop: + READYUVA422_AVX2 + YUVTORGB_AVX2(ebx) + STOREARGB_AVX2 + + sub ecx, 16 + jg convertloop + + pop ebp + pop ebx + pop edi + pop esi + vzeroupper + ret + } +} +#endif // HAS_I422ALPHATOARGBROW_AVX2 + +#ifdef HAS_I444TOARGBROW_AVX2 +// 16 pixels +// 16 UV values with 16 Y producing 16 ARGB (64 bytes). +__declspec(naked) void I444ToARGBRow_AVX2( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + mov eax, [esp + 12 + 4] // Y + mov esi, [esp + 12 + 8] // U + mov edi, [esp + 12 + 12] // V + mov edx, [esp + 12 + 16] // argb + mov ebx, [esp + 12 + 20] // yuvconstants + mov ecx, [esp + 12 + 24] // width + sub edi, esi + vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha + convertloop: + READYUV444_AVX2 + YUVTORGB_AVX2(ebx) + STOREARGB_AVX2 + + sub ecx, 16 + jg convertloop + + pop ebx + pop edi + pop esi + vzeroupper + ret + } +} +#endif // HAS_I444TOARGBROW_AVX2 + +#ifdef HAS_NV12TOARGBROW_AVX2 +// 16 pixels. +// 8 UV values upsampled to 16 UV, mixed with 16 Y producing 16 ARGB (64 bytes). +__declspec(naked) void NV12ToARGBRow_AVX2( + const uint8_t* y_buf, + const uint8_t* uv_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push ebx + mov eax, [esp + 8 + 4] // Y + mov esi, [esp + 8 + 8] // UV + mov edx, [esp + 8 + 12] // argb + mov ebx, [esp + 8 + 16] // yuvconstants + mov ecx, [esp + 8 + 20] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha + + convertloop: + READNV12_AVX2 + YUVTORGB_AVX2(ebx) + STOREARGB_AVX2 + + sub ecx, 16 + jg convertloop + + pop ebx + pop esi + vzeroupper + ret + } +} +#endif // HAS_NV12TOARGBROW_AVX2 + +#ifdef HAS_NV21TOARGBROW_AVX2 +// 16 pixels. +// 8 VU values upsampled to 16 UV, mixed with 16 Y producing 16 ARGB (64 bytes). +__declspec(naked) void NV21ToARGBRow_AVX2( + const uint8_t* y_buf, + const uint8_t* vu_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push ebx + mov eax, [esp + 8 + 4] // Y + mov esi, [esp + 8 + 8] // VU + mov edx, [esp + 8 + 12] // argb + mov ebx, [esp + 8 + 16] // yuvconstants + mov ecx, [esp + 8 + 20] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha + + convertloop: + READNV21_AVX2 + YUVTORGB_AVX2(ebx) + STOREARGB_AVX2 + + sub ecx, 16 + jg convertloop + + pop ebx + pop esi + vzeroupper + ret + } +} +#endif // HAS_NV21TOARGBROW_AVX2 + +#ifdef HAS_YUY2TOARGBROW_AVX2 +// 16 pixels. +// 8 YUY2 values with 16 Y and 8 UV producing 16 ARGB (64 bytes). +__declspec(naked) void YUY2ToARGBRow_AVX2( + const uint8_t* src_yuy2, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push ebx + mov eax, [esp + 4 + 4] // yuy2 + mov edx, [esp + 4 + 8] // argb + mov ebx, [esp + 4 + 12] // yuvconstants + mov ecx, [esp + 4 + 16] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha + + convertloop: + READYUY2_AVX2 + YUVTORGB_AVX2(ebx) + STOREARGB_AVX2 + + sub ecx, 16 + jg convertloop + + pop ebx + vzeroupper + ret + } +} +#endif // HAS_YUY2TOARGBROW_AVX2 + +#ifdef HAS_UYVYTOARGBROW_AVX2 +// 16 pixels. +// 8 UYVY values with 16 Y and 8 UV producing 16 ARGB (64 bytes). +__declspec(naked) void UYVYToARGBRow_AVX2( + const uint8_t* src_uyvy, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push ebx + mov eax, [esp + 4 + 4] // uyvy + mov edx, [esp + 4 + 8] // argb + mov ebx, [esp + 4 + 12] // yuvconstants + mov ecx, [esp + 4 + 16] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha + + convertloop: + READUYVY_AVX2 + YUVTORGB_AVX2(ebx) + STOREARGB_AVX2 + + sub ecx, 16 + jg convertloop + + pop ebx + vzeroupper + ret + } +} +#endif // HAS_UYVYTOARGBROW_AVX2 + +#ifdef HAS_I422TORGBAROW_AVX2 +// 16 pixels +// 8 UV values upsampled to 16 UV, mixed with 16 Y producing 16 RGBA (64 bytes). +__declspec(naked) void I422ToRGBARow_AVX2( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + mov eax, [esp + 12 + 4] // Y + mov esi, [esp + 12 + 8] // U + mov edi, [esp + 12 + 12] // V + mov edx, [esp + 12 + 16] // abgr + mov ebx, [esp + 12 + 20] // yuvconstants + mov ecx, [esp + 12 + 24] // width + sub edi, esi + vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha + + convertloop: + READYUV422_AVX2 + YUVTORGB_AVX2(ebx) + STORERGBA_AVX2 + + sub ecx, 16 + jg convertloop + + pop ebx + pop edi + pop esi + vzeroupper + ret + } +} +#endif // HAS_I422TORGBAROW_AVX2 + +#if defined(HAS_I422TOARGBROW_SSSE3) +// TODO(fbarchard): Read that does half size on Y and treats 420 as 444. +// Allows a conversion with half size scaling. + +// Read 8 UV from 444. +#define READYUV444 \ + __asm { \ + __asm movq xmm0, qword ptr [esi] /* U */ \ + __asm movq xmm1, qword ptr [esi + edi] /* V */ \ + __asm lea esi, [esi + 8] \ + __asm punpcklbw xmm0, xmm1 /* UV */ \ + __asm movq xmm4, qword ptr [eax] \ + __asm punpcklbw xmm4, xmm4 \ + __asm lea eax, [eax + 8]} + +// Read 4 UV from 422, upsample to 8 UV. +#define READYUV422 \ + __asm { \ + __asm movd xmm0, [esi] /* U */ \ + __asm movd xmm1, [esi + edi] /* V */ \ + __asm lea esi, [esi + 4] \ + __asm punpcklbw xmm0, xmm1 /* UV */ \ + __asm punpcklwd xmm0, xmm0 /* UVUV (upsample) */ \ + __asm movq xmm4, qword ptr [eax] \ + __asm punpcklbw xmm4, xmm4 \ + __asm lea eax, [eax + 8]} + +// Read 4 UV from 422, upsample to 8 UV. With 8 Alpha. +#define READYUVA422 \ + __asm { \ + __asm movd xmm0, [esi] /* U */ \ + __asm movd xmm1, [esi + edi] /* V */ \ + __asm lea esi, [esi + 4] \ + __asm punpcklbw xmm0, xmm1 /* UV */ \ + __asm punpcklwd xmm0, xmm0 /* UVUV (upsample) */ \ + __asm movq xmm4, qword ptr [eax] /* Y */ \ + __asm punpcklbw xmm4, xmm4 \ + __asm lea eax, [eax + 8] \ + __asm movq xmm5, qword ptr [ebp] /* A */ \ + __asm lea ebp, [ebp + 8]} + +// Read 4 UV from NV12, upsample to 8 UV. +#define READNV12 \ + __asm { \ + __asm movq xmm0, qword ptr [esi] /* UV */ \ + __asm lea esi, [esi + 8] \ + __asm punpcklwd xmm0, xmm0 /* UVUV (upsample) */ \ + __asm movq xmm4, qword ptr [eax] \ + __asm punpcklbw xmm4, xmm4 \ + __asm lea eax, [eax + 8]} + +// Read 4 VU from NV21, upsample to 8 UV. +#define READNV21 \ + __asm { \ + __asm movq xmm0, qword ptr [esi] /* UV */ \ + __asm lea esi, [esi + 8] \ + __asm pshufb xmm0, xmmword ptr kShuffleNV21 \ + __asm movq xmm4, qword ptr [eax] \ + __asm punpcklbw xmm4, xmm4 \ + __asm lea eax, [eax + 8]} + +// Read 4 YUY2 with 8 Y and upsample 4 UV to 8 UV. +#define READYUY2 \ + __asm { \ + __asm movdqu xmm4, [eax] /* YUY2 */ \ + __asm pshufb xmm4, xmmword ptr kShuffleYUY2Y \ + __asm movdqu xmm0, [eax] /* UV */ \ + __asm pshufb xmm0, xmmword ptr kShuffleYUY2UV \ + __asm lea eax, [eax + 16]} + +// Read 4 UYVY with 8 Y and upsample 4 UV to 8 UV. +#define READUYVY \ + __asm { \ + __asm movdqu xmm4, [eax] /* UYVY */ \ + __asm pshufb xmm4, xmmword ptr kShuffleUYVYY \ + __asm movdqu xmm0, [eax] /* UV */ \ + __asm pshufb xmm0, xmmword ptr kShuffleUYVYUV \ + __asm lea eax, [eax + 16]} + +// Convert 8 pixels: 8 UV and 8 Y. +#define YUVTORGB(YuvConstants) \ + __asm { \ + __asm movdqa xmm1, xmm0 \ + __asm movdqa xmm2, xmm0 \ + __asm movdqa xmm3, xmm0 \ + __asm movdqa xmm0, xmmword ptr [YuvConstants + KUVBIASB] \ + __asm pmaddubsw xmm1, xmmword ptr [YuvConstants + KUVTOB] \ + __asm psubw xmm0, xmm1 \ + __asm movdqa xmm1, xmmword ptr [YuvConstants + KUVBIASG] \ + __asm pmaddubsw xmm2, xmmword ptr [YuvConstants + KUVTOG] \ + __asm psubw xmm1, xmm2 \ + __asm movdqa xmm2, xmmword ptr [YuvConstants + KUVBIASR] \ + __asm pmaddubsw xmm3, xmmword ptr [YuvConstants + KUVTOR] \ + __asm psubw xmm2, xmm3 \ + __asm pmulhuw xmm4, xmmword ptr [YuvConstants + KYTORGB] \ + __asm paddsw xmm0, xmm4 /* B += Y */ \ + __asm paddsw xmm1, xmm4 /* G += Y */ \ + __asm paddsw xmm2, xmm4 /* R += Y */ \ + __asm psraw xmm0, 6 \ + __asm psraw xmm1, 6 \ + __asm psraw xmm2, 6 \ + __asm packuswb xmm0, xmm0 /* B */ \ + __asm packuswb xmm1, xmm1 /* G */ \ + __asm packuswb xmm2, xmm2 /* R */ \ + } + +// Store 8 ARGB values. +#define STOREARGB \ + __asm { \ + __asm punpcklbw xmm0, xmm1 /* BG */ \ + __asm punpcklbw xmm2, xmm5 /* RA */ \ + __asm movdqa xmm1, xmm0 \ + __asm punpcklwd xmm0, xmm2 /* BGRA first 4 pixels */ \ + __asm punpckhwd xmm1, xmm2 /* BGRA next 4 pixels */ \ + __asm movdqu 0[edx], xmm0 \ + __asm movdqu 16[edx], xmm1 \ + __asm lea edx, [edx + 32]} + +// Store 8 BGRA values. +#define STOREBGRA \ + __asm { \ + __asm pcmpeqb xmm5, xmm5 /* generate 0xffffffff for alpha */ \ + __asm punpcklbw xmm1, xmm0 /* GB */ \ + __asm punpcklbw xmm5, xmm2 /* AR */ \ + __asm movdqa xmm0, xmm5 \ + __asm punpcklwd xmm5, xmm1 /* BGRA first 4 pixels */ \ + __asm punpckhwd xmm0, xmm1 /* BGRA next 4 pixels */ \ + __asm movdqu 0[edx], xmm5 \ + __asm movdqu 16[edx], xmm0 \ + __asm lea edx, [edx + 32]} + +// Store 8 RGBA values. +#define STORERGBA \ + __asm { \ + __asm pcmpeqb xmm5, xmm5 /* generate 0xffffffff for alpha */ \ + __asm punpcklbw xmm1, xmm2 /* GR */ \ + __asm punpcklbw xmm5, xmm0 /* AB */ \ + __asm movdqa xmm0, xmm5 \ + __asm punpcklwd xmm5, xmm1 /* RGBA first 4 pixels */ \ + __asm punpckhwd xmm0, xmm1 /* RGBA next 4 pixels */ \ + __asm movdqu 0[edx], xmm5 \ + __asm movdqu 16[edx], xmm0 \ + __asm lea edx, [edx + 32]} + +// Store 8 RGB24 values. +#define STORERGB24 \ + __asm {/* Weave into RRGB */ \ + __asm punpcklbw xmm0, xmm1 /* BG */ \ + __asm punpcklbw xmm2, xmm2 /* RR */ \ + __asm movdqa xmm1, xmm0 \ + __asm punpcklwd xmm0, xmm2 /* BGRR first 4 pixels */ \ + __asm punpckhwd xmm1, xmm2 /* BGRR next 4 pixels */ /* RRGB -> RGB24 */ \ + __asm pshufb xmm0, xmm5 /* Pack first 8 and last 4 bytes. */ \ + __asm pshufb xmm1, xmm6 /* Pack first 12 bytes. */ \ + __asm palignr xmm1, xmm0, 12 /* last 4 bytes of xmm0 + 12 xmm1 */ \ + __asm movq qword ptr 0[edx], xmm0 /* First 8 bytes */ \ + __asm movdqu 8[edx], xmm1 /* Last 16 bytes */ \ + __asm lea edx, [edx + 24]} + +// Store 8 RGB565 values. +#define STORERGB565 \ + __asm {/* Weave into RRGB */ \ + __asm punpcklbw xmm0, xmm1 /* BG */ \ + __asm punpcklbw xmm2, xmm2 /* RR */ \ + __asm movdqa xmm1, xmm0 \ + __asm punpcklwd xmm0, xmm2 /* BGRR first 4 pixels */ \ + __asm punpckhwd xmm1, xmm2 /* BGRR next 4 pixels */ /* RRGB -> RGB565 */ \ + __asm movdqa xmm3, xmm0 /* B first 4 pixels of argb */ \ + __asm movdqa xmm2, xmm0 /* G */ \ + __asm pslld xmm0, 8 /* R */ \ + __asm psrld xmm3, 3 /* B */ \ + __asm psrld xmm2, 5 /* G */ \ + __asm psrad xmm0, 16 /* R */ \ + __asm pand xmm3, xmm5 /* B */ \ + __asm pand xmm2, xmm6 /* G */ \ + __asm pand xmm0, xmm7 /* R */ \ + __asm por xmm3, xmm2 /* BG */ \ + __asm por xmm0, xmm3 /* BGR */ \ + __asm movdqa xmm3, xmm1 /* B next 4 pixels of argb */ \ + __asm movdqa xmm2, xmm1 /* G */ \ + __asm pslld xmm1, 8 /* R */ \ + __asm psrld xmm3, 3 /* B */ \ + __asm psrld xmm2, 5 /* G */ \ + __asm psrad xmm1, 16 /* R */ \ + __asm pand xmm3, xmm5 /* B */ \ + __asm pand xmm2, xmm6 /* G */ \ + __asm pand xmm1, xmm7 /* R */ \ + __asm por xmm3, xmm2 /* BG */ \ + __asm por xmm1, xmm3 /* BGR */ \ + __asm packssdw xmm0, xmm1 \ + __asm movdqu 0[edx], xmm0 /* store 8 pixels of RGB565 */ \ + __asm lea edx, [edx + 16]} + +// 8 pixels. +// 8 UV values, mixed with 8 Y producing 8 ARGB (32 bytes). +__declspec(naked) void I444ToARGBRow_SSSE3( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + mov eax, [esp + 12 + 4] // Y + mov esi, [esp + 12 + 8] // U + mov edi, [esp + 12 + 12] // V + mov edx, [esp + 12 + 16] // argb + mov ebx, [esp + 12 + 20] // yuvconstants + mov ecx, [esp + 12 + 24] // width + sub edi, esi + pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha + + convertloop: + READYUV444 + YUVTORGB(ebx) + STOREARGB + + sub ecx, 8 + jg convertloop + + pop ebx + pop edi + pop esi + ret + } +} + +// 8 pixels. +// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 RGB24 (24 bytes). +__declspec(naked) void I422ToRGB24Row_SSSE3( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + uint8_t* dst_rgb24, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + mov eax, [esp + 12 + 4] // Y + mov esi, [esp + 12 + 8] // U + mov edi, [esp + 12 + 12] // V + mov edx, [esp + 12 + 16] // argb + mov ebx, [esp + 12 + 20] // yuvconstants + mov ecx, [esp + 12 + 24] // width + sub edi, esi + movdqa xmm5, xmmword ptr kShuffleMaskARGBToRGB24_0 + movdqa xmm6, xmmword ptr kShuffleMaskARGBToRGB24 + + convertloop: + READYUV422 + YUVTORGB(ebx) + STORERGB24 + + sub ecx, 8 + jg convertloop + + pop ebx + pop edi + pop esi + ret + } +} + +// 8 pixels +// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 RGB565 (16 bytes). +__declspec(naked) void I422ToRGB565Row_SSSE3( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + uint8_t* rgb565_buf, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + mov eax, [esp + 12 + 4] // Y + mov esi, [esp + 12 + 8] // U + mov edi, [esp + 12 + 12] // V + mov edx, [esp + 12 + 16] // argb + mov ebx, [esp + 12 + 20] // yuvconstants + mov ecx, [esp + 12 + 24] // width + sub edi, esi + pcmpeqb xmm5, xmm5 // generate mask 0x0000001f + psrld xmm5, 27 + pcmpeqb xmm6, xmm6 // generate mask 0x000007e0 + psrld xmm6, 26 + pslld xmm6, 5 + pcmpeqb xmm7, xmm7 // generate mask 0xfffff800 + pslld xmm7, 11 + + convertloop: + READYUV422 + YUVTORGB(ebx) + STORERGB565 + + sub ecx, 8 + jg convertloop + + pop ebx + pop edi + pop esi + ret + } +} + +// 8 pixels. +// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes). +__declspec(naked) void I422ToARGBRow_SSSE3( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + mov eax, [esp + 12 + 4] // Y + mov esi, [esp + 12 + 8] // U + mov edi, [esp + 12 + 12] // V + mov edx, [esp + 12 + 16] // argb + mov ebx, [esp + 12 + 20] // yuvconstants + mov ecx, [esp + 12 + 24] // width + sub edi, esi + pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha + + convertloop: + READYUV422 + YUVTORGB(ebx) + STOREARGB + + sub ecx, 8 + jg convertloop + + pop ebx + pop edi + pop esi + ret + } +} + +// 8 pixels. +// 4 UV values upsampled to 8 UV, mixed with 8 Y and 8 A producing 8 ARGB. +__declspec(naked) void I422AlphaToARGBRow_SSSE3( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + const uint8_t* a_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + push ebp + mov eax, [esp + 16 + 4] // Y + mov esi, [esp + 16 + 8] // U + mov edi, [esp + 16 + 12] // V + mov ebp, [esp + 16 + 16] // A + mov edx, [esp + 16 + 20] // argb + mov ebx, [esp + 16 + 24] // yuvconstants + mov ecx, [esp + 16 + 28] // width + sub edi, esi + + convertloop: + READYUVA422 + YUVTORGB(ebx) + STOREARGB + + sub ecx, 8 + jg convertloop + + pop ebp + pop ebx + pop edi + pop esi + ret + } +} + +// 8 pixels. +// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes). +__declspec(naked) void NV12ToARGBRow_SSSE3( + const uint8_t* y_buf, + const uint8_t* uv_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push ebx + mov eax, [esp + 8 + 4] // Y + mov esi, [esp + 8 + 8] // UV + mov edx, [esp + 8 + 12] // argb + mov ebx, [esp + 8 + 16] // yuvconstants + mov ecx, [esp + 8 + 20] // width + pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha + + convertloop: + READNV12 + YUVTORGB(ebx) + STOREARGB + + sub ecx, 8 + jg convertloop + + pop ebx + pop esi + ret + } +} + +// 8 pixels. +// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes). +__declspec(naked) void NV21ToARGBRow_SSSE3( + const uint8_t* y_buf, + const uint8_t* vu_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push ebx + mov eax, [esp + 8 + 4] // Y + mov esi, [esp + 8 + 8] // VU + mov edx, [esp + 8 + 12] // argb + mov ebx, [esp + 8 + 16] // yuvconstants + mov ecx, [esp + 8 + 20] // width + pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha + + convertloop: + READNV21 + YUVTORGB(ebx) + STOREARGB + + sub ecx, 8 + jg convertloop + + pop ebx + pop esi + ret + } +} + +// 8 pixels. +// 4 YUY2 values with 8 Y and 4 UV producing 8 ARGB (32 bytes). +__declspec(naked) void YUY2ToARGBRow_SSSE3( + const uint8_t* src_yuy2, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push ebx + mov eax, [esp + 4 + 4] // yuy2 + mov edx, [esp + 4 + 8] // argb + mov ebx, [esp + 4 + 12] // yuvconstants + mov ecx, [esp + 4 + 16] // width + pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha + + convertloop: + READYUY2 + YUVTORGB(ebx) + STOREARGB + + sub ecx, 8 + jg convertloop + + pop ebx + ret + } +} + +// 8 pixels. +// 4 UYVY values with 8 Y and 4 UV producing 8 ARGB (32 bytes). +__declspec(naked) void UYVYToARGBRow_SSSE3( + const uint8_t* src_uyvy, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push ebx + mov eax, [esp + 4 + 4] // uyvy + mov edx, [esp + 4 + 8] // argb + mov ebx, [esp + 4 + 12] // yuvconstants + mov ecx, [esp + 4 + 16] // width + pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha + + convertloop: + READUYVY + YUVTORGB(ebx) + STOREARGB + + sub ecx, 8 + jg convertloop + + pop ebx + ret + } +} + +__declspec(naked) void I422ToRGBARow_SSSE3( + const uint8_t* y_buf, + const uint8_t* u_buf, + const uint8_t* v_buf, + uint8_t* dst_rgba, + const struct YuvConstants* yuvconstants, + int width) { + __asm { + push esi + push edi + push ebx + mov eax, [esp + 12 + 4] // Y + mov esi, [esp + 12 + 8] // U + mov edi, [esp + 12 + 12] // V + mov edx, [esp + 12 + 16] // argb + mov ebx, [esp + 12 + 20] // yuvconstants + mov ecx, [esp + 12 + 24] // width + sub edi, esi + + convertloop: + READYUV422 + YUVTORGB(ebx) + STORERGBA + + sub ecx, 8 + jg convertloop + + pop ebx + pop edi + pop esi + ret + } +} +#endif // HAS_I422TOARGBROW_SSSE3 + +// I400ToARGBRow_SSE2 is disabled due to new yuvconstant parameter +#ifdef HAS_I400TOARGBROW_SSE2 +// 8 pixels of Y converted to 8 pixels of ARGB (32 bytes). +__declspec(naked) void I400ToARGBRow_SSE2(const uint8_t* y_buf, + uint8_t* rgb_buf, + const struct YuvConstants*, + int width) { + __asm { + mov eax, 0x4a354a35 // 4a35 = 18997 = round(1.164 * 64 * 256) + movd xmm2, eax + pshufd xmm2, xmm2,0 + mov eax, 0x04880488 // 0488 = 1160 = round(1.164 * 64 * 16) + movd xmm3, eax + pshufd xmm3, xmm3, 0 + pcmpeqb xmm4, xmm4 // generate mask 0xff000000 + pslld xmm4, 24 + + mov eax, [esp + 4] // Y + mov edx, [esp + 8] // rgb + mov ecx, [esp + 12] // width + + convertloop: + // Step 1: Scale Y contribution to 8 G values. G = (y - 16) * 1.164 + movq xmm0, qword ptr [eax] + lea eax, [eax + 8] + punpcklbw xmm0, xmm0 // Y.Y + pmulhuw xmm0, xmm2 + psubusw xmm0, xmm3 + psrlw xmm0, 6 + packuswb xmm0, xmm0 // G + + // Step 2: Weave into ARGB + punpcklbw xmm0, xmm0 // GG + movdqa xmm1, xmm0 + punpcklwd xmm0, xmm0 // BGRA first 4 pixels + punpckhwd xmm1, xmm1 // BGRA next 4 pixels + por xmm0, xmm4 + por xmm1, xmm4 + movdqu [edx], xmm0 + movdqu [edx + 16], xmm1 + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + ret + } +} +#endif // HAS_I400TOARGBROW_SSE2 + +#ifdef HAS_I400TOARGBROW_AVX2 +// 16 pixels of Y converted to 16 pixels of ARGB (64 bytes). +// note: vpunpcklbw mutates and vpackuswb unmutates. +__declspec(naked) void I400ToARGBRow_AVX2(const uint8_t* y_buf, + uint8_t* rgb_buf, + const struct YuvConstants*, + int width) { + __asm { + mov eax, 0x4a354a35 // 4a35 = 18997 = round(1.164 * 64 * 256) + vmovd xmm2, eax + vbroadcastss ymm2, xmm2 + mov eax, 0x04880488 // 0488 = 1160 = round(1.164 * 64 * 16) + vmovd xmm3, eax + vbroadcastss ymm3, xmm3 + vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0xff000000 + vpslld ymm4, ymm4, 24 + + mov eax, [esp + 4] // Y + mov edx, [esp + 8] // rgb + mov ecx, [esp + 12] // width + + convertloop: + // Step 1: Scale Y contriportbution to 16 G values. G = (y - 16) * 1.164 + vmovdqu xmm0, [eax] + lea eax, [eax + 16] + vpermq ymm0, ymm0, 0xd8 // vpunpcklbw mutates + vpunpcklbw ymm0, ymm0, ymm0 // Y.Y + vpmulhuw ymm0, ymm0, ymm2 + vpsubusw ymm0, ymm0, ymm3 + vpsrlw ymm0, ymm0, 6 + vpackuswb ymm0, ymm0, ymm0 // G. still mutated: 3120 + + // TODO(fbarchard): Weave alpha with unpack. + // Step 2: Weave into ARGB + vpunpcklbw ymm1, ymm0, ymm0 // GG - mutates + vpermq ymm1, ymm1, 0xd8 + vpunpcklwd ymm0, ymm1, ymm1 // GGGG first 8 pixels + vpunpckhwd ymm1, ymm1, ymm1 // GGGG next 8 pixels + vpor ymm0, ymm0, ymm4 + vpor ymm1, ymm1, ymm4 + vmovdqu [edx], ymm0 + vmovdqu [edx + 32], ymm1 + lea edx, [edx + 64] + sub ecx, 16 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_I400TOARGBROW_AVX2 + +#ifdef HAS_MIRRORROW_SSSE3 +// Shuffle table for reversing the bytes. +static const uvec8 kShuffleMirror = {15u, 14u, 13u, 12u, 11u, 10u, 9u, 8u, + 7u, 6u, 5u, 4u, 3u, 2u, 1u, 0u}; + +// TODO(fbarchard): Replace lea with -16 offset. +__declspec(naked) void MirrorRow_SSSE3(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + movdqa xmm5, xmmword ptr kShuffleMirror + + convertloop: + movdqu xmm0, [eax - 16 + ecx] + pshufb xmm0, xmm5 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + ret + } +} +#endif // HAS_MIRRORROW_SSSE3 + +#ifdef HAS_MIRRORROW_AVX2 +__declspec(naked) void MirrorRow_AVX2(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + vbroadcastf128 ymm5, xmmword ptr kShuffleMirror + + convertloop: + vmovdqu ymm0, [eax - 32 + ecx] + vpshufb ymm0, ymm0, ymm5 + vpermq ymm0, ymm0, 0x4e // swap high and low halfs + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 32 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_MIRRORROW_AVX2 + +#ifdef HAS_MIRRORSPLITUVROW_SSSE3 +// Shuffle table for reversing the bytes of UV channels. +static const uvec8 kShuffleMirrorUV = {14u, 12u, 10u, 8u, 6u, 4u, 2u, 0u, + 15u, 13u, 11u, 9u, 7u, 5u, 3u, 1u}; + +__declspec(naked) void MirrorSplitUVRow_SSSE3(const uint8_t* src, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src + mov edx, [esp + 4 + 8] // dst_u + mov edi, [esp + 4 + 12] // dst_v + mov ecx, [esp + 4 + 16] // width + movdqa xmm1, xmmword ptr kShuffleMirrorUV + lea eax, [eax + ecx * 2 - 16] + sub edi, edx + + convertloop: + movdqu xmm0, [eax] + lea eax, [eax - 16] + pshufb xmm0, xmm1 + movlpd qword ptr [edx], xmm0 + movhpd qword ptr [edx + edi], xmm0 + lea edx, [edx + 8] + sub ecx, 8 + jg convertloop + + pop edi + ret + } +} +#endif // HAS_MIRRORSPLITUVROW_SSSE3 + +#ifdef HAS_ARGBMIRRORROW_SSE2 +__declspec(naked) void ARGBMirrorRow_SSE2(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + lea eax, [eax - 16 + ecx * 4] // last 4 pixels. + + convertloop: + movdqu xmm0, [eax] + lea eax, [eax - 16] + pshufd xmm0, xmm0, 0x1b + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 4 + jg convertloop + ret + } +} +#endif // HAS_ARGBMIRRORROW_SSE2 + +#ifdef HAS_ARGBMIRRORROW_AVX2 +// Shuffle table for reversing the bytes. +static const ulvec32 kARGBShuffleMirror_AVX2 = {7u, 6u, 5u, 4u, 3u, 2u, 1u, 0u}; + +__declspec(naked) void ARGBMirrorRow_AVX2(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + vmovdqu ymm5, ymmword ptr kARGBShuffleMirror_AVX2 + + convertloop: + vpermd ymm0, ymm5, [eax - 32 + ecx * 4] // permute dword order + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_ARGBMIRRORROW_AVX2 + +#ifdef HAS_SPLITUVROW_SSE2 +__declspec(naked) void SplitUVRow_SSE2(const uint8_t* src_uv, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src_uv + mov edx, [esp + 4 + 8] // dst_u + mov edi, [esp + 4 + 12] // dst_v + mov ecx, [esp + 4 + 16] // width + pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff + psrlw xmm5, 8 + sub edi, edx + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + lea eax, [eax + 32] + movdqa xmm2, xmm0 + movdqa xmm3, xmm1 + pand xmm0, xmm5 // even bytes + pand xmm1, xmm5 + packuswb xmm0, xmm1 + psrlw xmm2, 8 // odd bytes + psrlw xmm3, 8 + packuswb xmm2, xmm3 + movdqu [edx], xmm0 + movdqu [edx + edi], xmm2 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + + pop edi + ret + } +} + +#endif // HAS_SPLITUVROW_SSE2 + +#ifdef HAS_SPLITUVROW_AVX2 +__declspec(naked) void SplitUVRow_AVX2(const uint8_t* src_uv, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src_uv + mov edx, [esp + 4 + 8] // dst_u + mov edi, [esp + 4 + 12] // dst_v + mov ecx, [esp + 4 + 16] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff + vpsrlw ymm5, ymm5, 8 + sub edi, edx + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + lea eax, [eax + 64] + vpsrlw ymm2, ymm0, 8 // odd bytes + vpsrlw ymm3, ymm1, 8 + vpand ymm0, ymm0, ymm5 // even bytes + vpand ymm1, ymm1, ymm5 + vpackuswb ymm0, ymm0, ymm1 + vpackuswb ymm2, ymm2, ymm3 + vpermq ymm0, ymm0, 0xd8 + vpermq ymm2, ymm2, 0xd8 + vmovdqu [edx], ymm0 + vmovdqu [edx + edi], ymm2 + lea edx, [edx + 32] + sub ecx, 32 + jg convertloop + + pop edi + vzeroupper + ret + } +} +#endif // HAS_SPLITUVROW_AVX2 + +#ifdef HAS_MERGEUVROW_SSE2 +__declspec(naked) void MergeUVRow_SSE2(const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_uv, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src_u + mov edx, [esp + 4 + 8] // src_v + mov edi, [esp + 4 + 12] // dst_uv + mov ecx, [esp + 4 + 16] // width + sub edx, eax + + convertloop: + movdqu xmm0, [eax] // read 16 U's + movdqu xmm1, [eax + edx] // and 16 V's + lea eax, [eax + 16] + movdqa xmm2, xmm0 + punpcklbw xmm0, xmm1 // first 8 UV pairs + punpckhbw xmm2, xmm1 // next 8 UV pairs + movdqu [edi], xmm0 + movdqu [edi + 16], xmm2 + lea edi, [edi + 32] + sub ecx, 16 + jg convertloop + + pop edi + ret + } +} +#endif // HAS_MERGEUVROW_SSE2 + +#ifdef HAS_MERGEUVROW_AVX2 +__declspec(naked) void MergeUVRow_AVX2(const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_uv, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src_u + mov edx, [esp + 4 + 8] // src_v + mov edi, [esp + 4 + 12] // dst_uv + mov ecx, [esp + 4 + 16] // width + sub edx, eax + + convertloop: + vmovdqu ymm0, [eax] // read 32 U's + vmovdqu ymm1, [eax + edx] // and 32 V's + lea eax, [eax + 32] + vpunpcklbw ymm2, ymm0, ymm1 // low 16 UV pairs. mutated qqword 0,2 + vpunpckhbw ymm0, ymm0, ymm1 // high 16 UV pairs. mutated qqword 1,3 + vextractf128 [edi], ymm2, 0 // bytes 0..15 + vextractf128 [edi + 16], ymm0, 0 // bytes 16..31 + vextractf128 [edi + 32], ymm2, 1 // bytes 32..47 + vextractf128 [edi + 48], ymm0, 1 // bytes 47..63 + lea edi, [edi + 64] + sub ecx, 32 + jg convertloop + + pop edi + vzeroupper + ret + } +} +#endif // HAS_MERGEUVROW_AVX2 + +#ifdef HAS_COPYROW_SSE2 +// CopyRow copys 'width' bytes using a 16 byte load/store, 32 bytes at time. +__declspec(naked) void CopyRow_SSE2(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + test eax, 15 + jne convertloopu + test edx, 15 + jne convertloopu + + convertloopa: + movdqa xmm0, [eax] + movdqa xmm1, [eax + 16] + lea eax, [eax + 32] + movdqa [edx], xmm0 + movdqa [edx + 16], xmm1 + lea edx, [edx + 32] + sub ecx, 32 + jg convertloopa + ret + + convertloopu: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + lea eax, [eax + 32] + movdqu [edx], xmm0 + movdqu [edx + 16], xmm1 + lea edx, [edx + 32] + sub ecx, 32 + jg convertloopu + ret + } +} +#endif // HAS_COPYROW_SSE2 + +#ifdef HAS_COPYROW_AVX +// CopyRow copys 'width' bytes using a 32 byte load/store, 64 bytes at time. +__declspec(naked) void CopyRow_AVX(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + lea eax, [eax + 64] + vmovdqu [edx], ymm0 + vmovdqu [edx + 32], ymm1 + lea edx, [edx + 64] + sub ecx, 64 + jg convertloop + + vzeroupper + ret + } +} +#endif // HAS_COPYROW_AVX + +// Multiple of 1. +__declspec(naked) void CopyRow_ERMS(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, esi + mov edx, edi + mov esi, [esp + 4] // src + mov edi, [esp + 8] // dst + mov ecx, [esp + 12] // width + rep movsb + mov edi, edx + mov esi, eax + ret + } +} + +#ifdef HAS_ARGBCOPYALPHAROW_SSE2 +// width in pixels +__declspec(naked) void ARGBCopyAlphaRow_SSE2(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + pcmpeqb xmm0, xmm0 // generate mask 0xff000000 + pslld xmm0, 24 + pcmpeqb xmm1, xmm1 // generate mask 0x00ffffff + psrld xmm1, 8 + + convertloop: + movdqu xmm2, [eax] + movdqu xmm3, [eax + 16] + lea eax, [eax + 32] + movdqu xmm4, [edx] + movdqu xmm5, [edx + 16] + pand xmm2, xmm0 + pand xmm3, xmm0 + pand xmm4, xmm1 + pand xmm5, xmm1 + por xmm2, xmm4 + por xmm3, xmm5 + movdqu [edx], xmm2 + movdqu [edx + 16], xmm3 + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + + ret + } +} +#endif // HAS_ARGBCOPYALPHAROW_SSE2 + +#ifdef HAS_ARGBCOPYALPHAROW_AVX2 +// width in pixels +__declspec(naked) void ARGBCopyAlphaRow_AVX2(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + vpcmpeqb ymm0, ymm0, ymm0 + vpsrld ymm0, ymm0, 8 // generate mask 0x00ffffff + + convertloop: + vmovdqu ymm1, [eax] + vmovdqu ymm2, [eax + 32] + lea eax, [eax + 64] + vpblendvb ymm1, ymm1, [edx], ymm0 + vpblendvb ymm2, ymm2, [edx + 32], ymm0 + vmovdqu [edx], ymm1 + vmovdqu [edx + 32], ymm2 + lea edx, [edx + 64] + sub ecx, 16 + jg convertloop + + vzeroupper + ret + } +} +#endif // HAS_ARGBCOPYALPHAROW_AVX2 + +#ifdef HAS_ARGBEXTRACTALPHAROW_SSE2 +// width in pixels +__declspec(naked) void ARGBExtractAlphaRow_SSE2(const uint8_t* src_argb, + uint8_t* dst_a, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_a + mov ecx, [esp + 12] // width + + extractloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + lea eax, [eax + 32] + psrld xmm0, 24 + psrld xmm1, 24 + packssdw xmm0, xmm1 + packuswb xmm0, xmm0 + movq qword ptr [edx], xmm0 + lea edx, [edx + 8] + sub ecx, 8 + jg extractloop + + ret + } +} +#endif // HAS_ARGBEXTRACTALPHAROW_SSE2 + +#ifdef HAS_ARGBEXTRACTALPHAROW_AVX2 +// width in pixels +__declspec(naked) void ARGBExtractAlphaRow_AVX2(const uint8_t* src_argb, + uint8_t* dst_a, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_a + mov ecx, [esp + 12] // width + vmovdqa ymm4, ymmword ptr kPermdARGBToY_AVX + + extractloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + vpsrld ymm0, ymm0, 24 + vpsrld ymm1, ymm1, 24 + vmovdqu ymm2, [eax + 64] + vmovdqu ymm3, [eax + 96] + lea eax, [eax + 128] + vpackssdw ymm0, ymm0, ymm1 // mutates + vpsrld ymm2, ymm2, 24 + vpsrld ymm3, ymm3, 24 + vpackssdw ymm2, ymm2, ymm3 // mutates + vpackuswb ymm0, ymm0, ymm2 // mutates + vpermd ymm0, ymm4, ymm0 // unmutate + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 32 + jg extractloop + + vzeroupper + ret + } +} +#endif // HAS_ARGBEXTRACTALPHAROW_AVX2 + +#ifdef HAS_ARGBCOPYYTOALPHAROW_SSE2 +// width in pixels +__declspec(naked) void ARGBCopyYToAlphaRow_SSE2(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + pcmpeqb xmm0, xmm0 // generate mask 0xff000000 + pslld xmm0, 24 + pcmpeqb xmm1, xmm1 // generate mask 0x00ffffff + psrld xmm1, 8 + + convertloop: + movq xmm2, qword ptr [eax] // 8 Y's + lea eax, [eax + 8] + punpcklbw xmm2, xmm2 + punpckhwd xmm3, xmm2 + punpcklwd xmm2, xmm2 + movdqu xmm4, [edx] + movdqu xmm5, [edx + 16] + pand xmm2, xmm0 + pand xmm3, xmm0 + pand xmm4, xmm1 + pand xmm5, xmm1 + por xmm2, xmm4 + por xmm3, xmm5 + movdqu [edx], xmm2 + movdqu [edx + 16], xmm3 + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + + ret + } +} +#endif // HAS_ARGBCOPYYTOALPHAROW_SSE2 + +#ifdef HAS_ARGBCOPYYTOALPHAROW_AVX2 +// width in pixels +__declspec(naked) void ARGBCopyYToAlphaRow_AVX2(const uint8_t* src, + uint8_t* dst, + int width) { + __asm { + mov eax, [esp + 4] // src + mov edx, [esp + 8] // dst + mov ecx, [esp + 12] // width + vpcmpeqb ymm0, ymm0, ymm0 + vpsrld ymm0, ymm0, 8 // generate mask 0x00ffffff + + convertloop: + vpmovzxbd ymm1, qword ptr [eax] + vpmovzxbd ymm2, qword ptr [eax + 8] + lea eax, [eax + 16] + vpslld ymm1, ymm1, 24 + vpslld ymm2, ymm2, 24 + vpblendvb ymm1, ymm1, [edx], ymm0 + vpblendvb ymm2, ymm2, [edx + 32], ymm0 + vmovdqu [edx], ymm1 + vmovdqu [edx + 32], ymm2 + lea edx, [edx + 64] + sub ecx, 16 + jg convertloop + + vzeroupper + ret + } +} +#endif // HAS_ARGBCOPYYTOALPHAROW_AVX2 + +#ifdef HAS_SETROW_X86 +// Write 'width' bytes using an 8 bit value repeated. +// width should be multiple of 4. +__declspec(naked) void SetRow_X86(uint8_t* dst, uint8_t v8, int width) { + __asm { + movzx eax, byte ptr [esp + 8] // v8 + mov edx, 0x01010101 // Duplicate byte to all bytes. + mul edx // overwrites edx with upper part of result. + mov edx, edi + mov edi, [esp + 4] // dst + mov ecx, [esp + 12] // width + shr ecx, 2 + rep stosd + mov edi, edx + ret + } +} + +// Write 'width' bytes using an 8 bit value repeated. +__declspec(naked) void SetRow_ERMS(uint8_t* dst, uint8_t v8, int width) { + __asm { + mov edx, edi + mov edi, [esp + 4] // dst + mov eax, [esp + 8] // v8 + mov ecx, [esp + 12] // width + rep stosb + mov edi, edx + ret + } +} + +// Write 'width' 32 bit values. +__declspec(naked) void ARGBSetRow_X86(uint8_t* dst_argb, + uint32_t v32, + int width) { + __asm { + mov edx, edi + mov edi, [esp + 4] // dst + mov eax, [esp + 8] // v32 + mov ecx, [esp + 12] // width + rep stosd + mov edi, edx + ret + } +} +#endif // HAS_SETROW_X86 + +#ifdef HAS_YUY2TOYROW_AVX2 +__declspec(naked) void YUY2ToYRow_AVX2(const uint8_t* src_yuy2, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] // src_yuy2 + mov edx, [esp + 8] // dst_y + mov ecx, [esp + 12] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff + vpsrlw ymm5, ymm5, 8 + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + lea eax, [eax + 64] + vpand ymm0, ymm0, ymm5 // even bytes are Y + vpand ymm1, ymm1, ymm5 + vpackuswb ymm0, ymm0, ymm1 // mutates. + vpermq ymm0, ymm0, 0xd8 + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 32 + jg convertloop + vzeroupper + ret + } +} + +__declspec(naked) void YUY2ToUVRow_AVX2(const uint8_t* src_yuy2, + int stride_yuy2, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_yuy2 + mov esi, [esp + 8 + 8] // stride_yuy2 + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff + vpsrlw ymm5, ymm5, 8 + sub edi, edx + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + vpavgb ymm0, ymm0, [eax + esi] + vpavgb ymm1, ymm1, [eax + esi + 32] + lea eax, [eax + 64] + vpsrlw ymm0, ymm0, 8 // YUYV -> UVUV + vpsrlw ymm1, ymm1, 8 + vpackuswb ymm0, ymm0, ymm1 // mutates. + vpermq ymm0, ymm0, 0xd8 + vpand ymm1, ymm0, ymm5 // U + vpsrlw ymm0, ymm0, 8 // V + vpackuswb ymm1, ymm1, ymm1 // mutates. + vpackuswb ymm0, ymm0, ymm0 // mutates. + vpermq ymm1, ymm1, 0xd8 + vpermq ymm0, ymm0, 0xd8 + vextractf128 [edx], ymm1, 0 // U + vextractf128 [edx + edi], ymm0, 0 // V + lea edx, [edx + 16] + sub ecx, 32 + jg convertloop + + pop edi + pop esi + vzeroupper + ret + } +} + +__declspec(naked) void YUY2ToUV422Row_AVX2(const uint8_t* src_yuy2, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src_yuy2 + mov edx, [esp + 4 + 8] // dst_u + mov edi, [esp + 4 + 12] // dst_v + mov ecx, [esp + 4 + 16] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff + vpsrlw ymm5, ymm5, 8 + sub edi, edx + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + lea eax, [eax + 64] + vpsrlw ymm0, ymm0, 8 // YUYV -> UVUV + vpsrlw ymm1, ymm1, 8 + vpackuswb ymm0, ymm0, ymm1 // mutates. + vpermq ymm0, ymm0, 0xd8 + vpand ymm1, ymm0, ymm5 // U + vpsrlw ymm0, ymm0, 8 // V + vpackuswb ymm1, ymm1, ymm1 // mutates. + vpackuswb ymm0, ymm0, ymm0 // mutates. + vpermq ymm1, ymm1, 0xd8 + vpermq ymm0, ymm0, 0xd8 + vextractf128 [edx], ymm1, 0 // U + vextractf128 [edx + edi], ymm0, 0 // V + lea edx, [edx + 16] + sub ecx, 32 + jg convertloop + + pop edi + vzeroupper + ret + } +} + +__declspec(naked) void UYVYToYRow_AVX2(const uint8_t* src_uyvy, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] // src_uyvy + mov edx, [esp + 8] // dst_y + mov ecx, [esp + 12] // width + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + lea eax, [eax + 64] + vpsrlw ymm0, ymm0, 8 // odd bytes are Y + vpsrlw ymm1, ymm1, 8 + vpackuswb ymm0, ymm0, ymm1 // mutates. + vpermq ymm0, ymm0, 0xd8 + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 32 + jg convertloop + vzeroupper + ret + } +} + +__declspec(naked) void UYVYToUVRow_AVX2(const uint8_t* src_uyvy, + int stride_uyvy, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_yuy2 + mov esi, [esp + 8 + 8] // stride_yuy2 + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff + vpsrlw ymm5, ymm5, 8 + sub edi, edx + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + vpavgb ymm0, ymm0, [eax + esi] + vpavgb ymm1, ymm1, [eax + esi + 32] + lea eax, [eax + 64] + vpand ymm0, ymm0, ymm5 // UYVY -> UVUV + vpand ymm1, ymm1, ymm5 + vpackuswb ymm0, ymm0, ymm1 // mutates. + vpermq ymm0, ymm0, 0xd8 + vpand ymm1, ymm0, ymm5 // U + vpsrlw ymm0, ymm0, 8 // V + vpackuswb ymm1, ymm1, ymm1 // mutates. + vpackuswb ymm0, ymm0, ymm0 // mutates. + vpermq ymm1, ymm1, 0xd8 + vpermq ymm0, ymm0, 0xd8 + vextractf128 [edx], ymm1, 0 // U + vextractf128 [edx + edi], ymm0, 0 // V + lea edx, [edx + 16] + sub ecx, 32 + jg convertloop + + pop edi + pop esi + vzeroupper + ret + } +} + +__declspec(naked) void UYVYToUV422Row_AVX2(const uint8_t* src_uyvy, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src_yuy2 + mov edx, [esp + 4 + 8] // dst_u + mov edi, [esp + 4 + 12] // dst_v + mov ecx, [esp + 4 + 16] // width + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff + vpsrlw ymm5, ymm5, 8 + sub edi, edx + + convertloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + lea eax, [eax + 64] + vpand ymm0, ymm0, ymm5 // UYVY -> UVUV + vpand ymm1, ymm1, ymm5 + vpackuswb ymm0, ymm0, ymm1 // mutates. + vpermq ymm0, ymm0, 0xd8 + vpand ymm1, ymm0, ymm5 // U + vpsrlw ymm0, ymm0, 8 // V + vpackuswb ymm1, ymm1, ymm1 // mutates. + vpackuswb ymm0, ymm0, ymm0 // mutates. + vpermq ymm1, ymm1, 0xd8 + vpermq ymm0, ymm0, 0xd8 + vextractf128 [edx], ymm1, 0 // U + vextractf128 [edx + edi], ymm0, 0 // V + lea edx, [edx + 16] + sub ecx, 32 + jg convertloop + + pop edi + vzeroupper + ret + } +} +#endif // HAS_YUY2TOYROW_AVX2 + +#ifdef HAS_YUY2TOYROW_SSE2 +__declspec(naked) void YUY2ToYRow_SSE2(const uint8_t* src_yuy2, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] // src_yuy2 + mov edx, [esp + 8] // dst_y + mov ecx, [esp + 12] // width + pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff + psrlw xmm5, 8 + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + lea eax, [eax + 32] + pand xmm0, xmm5 // even bytes are Y + pand xmm1, xmm5 + packuswb xmm0, xmm1 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + ret + } +} + +__declspec(naked) void YUY2ToUVRow_SSE2(const uint8_t* src_yuy2, + int stride_yuy2, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_yuy2 + mov esi, [esp + 8 + 8] // stride_yuy2 + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff + psrlw xmm5, 8 + sub edi, edx + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + esi] + movdqu xmm3, [eax + esi + 16] + lea eax, [eax + 32] + pavgb xmm0, xmm2 + pavgb xmm1, xmm3 + psrlw xmm0, 8 // YUYV -> UVUV + psrlw xmm1, 8 + packuswb xmm0, xmm1 + movdqa xmm1, xmm0 + pand xmm0, xmm5 // U + packuswb xmm0, xmm0 + psrlw xmm1, 8 // V + packuswb xmm1, xmm1 + movq qword ptr [edx], xmm0 + movq qword ptr [edx + edi], xmm1 + lea edx, [edx + 8] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} + +__declspec(naked) void YUY2ToUV422Row_SSE2(const uint8_t* src_yuy2, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src_yuy2 + mov edx, [esp + 4 + 8] // dst_u + mov edi, [esp + 4 + 12] // dst_v + mov ecx, [esp + 4 + 16] // width + pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff + psrlw xmm5, 8 + sub edi, edx + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + lea eax, [eax + 32] + psrlw xmm0, 8 // YUYV -> UVUV + psrlw xmm1, 8 + packuswb xmm0, xmm1 + movdqa xmm1, xmm0 + pand xmm0, xmm5 // U + packuswb xmm0, xmm0 + psrlw xmm1, 8 // V + packuswb xmm1, xmm1 + movq qword ptr [edx], xmm0 + movq qword ptr [edx + edi], xmm1 + lea edx, [edx + 8] + sub ecx, 16 + jg convertloop + + pop edi + ret + } +} + +__declspec(naked) void UYVYToYRow_SSE2(const uint8_t* src_uyvy, + uint8_t* dst_y, + int width) { + __asm { + mov eax, [esp + 4] // src_uyvy + mov edx, [esp + 8] // dst_y + mov ecx, [esp + 12] // width + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + lea eax, [eax + 32] + psrlw xmm0, 8 // odd bytes are Y + psrlw xmm1, 8 + packuswb xmm0, xmm1 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + ret + } +} + +__declspec(naked) void UYVYToUVRow_SSE2(const uint8_t* src_uyvy, + int stride_uyvy, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_yuy2 + mov esi, [esp + 8 + 8] // stride_yuy2 + mov edx, [esp + 8 + 12] // dst_u + mov edi, [esp + 8 + 16] // dst_v + mov ecx, [esp + 8 + 20] // width + pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff + psrlw xmm5, 8 + sub edi, edx + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + esi] + movdqu xmm3, [eax + esi + 16] + lea eax, [eax + 32] + pavgb xmm0, xmm2 + pavgb xmm1, xmm3 + pand xmm0, xmm5 // UYVY -> UVUV + pand xmm1, xmm5 + packuswb xmm0, xmm1 + movdqa xmm1, xmm0 + pand xmm0, xmm5 // U + packuswb xmm0, xmm0 + psrlw xmm1, 8 // V + packuswb xmm1, xmm1 + movq qword ptr [edx], xmm0 + movq qword ptr [edx + edi], xmm1 + lea edx, [edx + 8] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} + +__declspec(naked) void UYVYToUV422Row_SSE2(const uint8_t* src_uyvy, + uint8_t* dst_u, + uint8_t* dst_v, + int width) { + __asm { + push edi + mov eax, [esp + 4 + 4] // src_yuy2 + mov edx, [esp + 4 + 8] // dst_u + mov edi, [esp + 4 + 12] // dst_v + mov ecx, [esp + 4 + 16] // width + pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff + psrlw xmm5, 8 + sub edi, edx + + convertloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + lea eax, [eax + 32] + pand xmm0, xmm5 // UYVY -> UVUV + pand xmm1, xmm5 + packuswb xmm0, xmm1 + movdqa xmm1, xmm0 + pand xmm0, xmm5 // U + packuswb xmm0, xmm0 + psrlw xmm1, 8 // V + packuswb xmm1, xmm1 + movq qword ptr [edx], xmm0 + movq qword ptr [edx + edi], xmm1 + lea edx, [edx + 8] + sub ecx, 16 + jg convertloop + + pop edi + ret + } +} +#endif // HAS_YUY2TOYROW_SSE2 + +#ifdef HAS_BLENDPLANEROW_SSSE3 +// Blend 8 pixels at a time. +// unsigned version of math +// =((A2*C2)+(B2*(255-C2))+255)/256 +// signed version of math +// =(((A2-128)*C2)+((B2-128)*(255-C2))+32768+127)/256 +__declspec(naked) void BlendPlaneRow_SSSE3(const uint8_t* src0, + const uint8_t* src1, + const uint8_t* alpha, + uint8_t* dst, + int width) { + __asm { + push esi + push edi + pcmpeqb xmm5, xmm5 // generate mask 0xff00ff00 + psllw xmm5, 8 + mov eax, 0x80808080 // 128 for biasing image to signed. + movd xmm6, eax + pshufd xmm6, xmm6, 0x00 + + mov eax, 0x807f807f // 32768 + 127 for unbias and round. + movd xmm7, eax + pshufd xmm7, xmm7, 0x00 + mov eax, [esp + 8 + 4] // src0 + mov edx, [esp + 8 + 8] // src1 + mov esi, [esp + 8 + 12] // alpha + mov edi, [esp + 8 + 16] // dst + mov ecx, [esp + 8 + 20] // width + sub eax, esi + sub edx, esi + sub edi, esi + + // 8 pixel loop. + convertloop8: + movq xmm0, qword ptr [esi] // alpha + punpcklbw xmm0, xmm0 + pxor xmm0, xmm5 // a, 255-a + movq xmm1, qword ptr [eax + esi] // src0 + movq xmm2, qword ptr [edx + esi] // src1 + punpcklbw xmm1, xmm2 + psubb xmm1, xmm6 // bias src0/1 - 128 + pmaddubsw xmm0, xmm1 + paddw xmm0, xmm7 // unbias result - 32768 and round. + psrlw xmm0, 8 + packuswb xmm0, xmm0 + movq qword ptr [edi + esi], xmm0 + lea esi, [esi + 8] + sub ecx, 8 + jg convertloop8 + + pop edi + pop esi + ret + } +} +#endif // HAS_BLENDPLANEROW_SSSE3 + +#ifdef HAS_BLENDPLANEROW_AVX2 +// Blend 32 pixels at a time. +// unsigned version of math +// =((A2*C2)+(B2*(255-C2))+255)/256 +// signed version of math +// =(((A2-128)*C2)+((B2-128)*(255-C2))+32768+127)/256 +__declspec(naked) void BlendPlaneRow_AVX2(const uint8_t* src0, + const uint8_t* src1, + const uint8_t* alpha, + uint8_t* dst, + int width) { + __asm { + push esi + push edi + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0xff00ff00 + vpsllw ymm5, ymm5, 8 + mov eax, 0x80808080 // 128 for biasing image to signed. + vmovd xmm6, eax + vbroadcastss ymm6, xmm6 + mov eax, 0x807f807f // 32768 + 127 for unbias and round. + vmovd xmm7, eax + vbroadcastss ymm7, xmm7 + mov eax, [esp + 8 + 4] // src0 + mov edx, [esp + 8 + 8] // src1 + mov esi, [esp + 8 + 12] // alpha + mov edi, [esp + 8 + 16] // dst + mov ecx, [esp + 8 + 20] // width + sub eax, esi + sub edx, esi + sub edi, esi + + // 32 pixel loop. + convertloop32: + vmovdqu ymm0, [esi] // alpha + vpunpckhbw ymm3, ymm0, ymm0 // 8..15, 24..31 + vpunpcklbw ymm0, ymm0, ymm0 // 0..7, 16..23 + vpxor ymm3, ymm3, ymm5 // a, 255-a + vpxor ymm0, ymm0, ymm5 // a, 255-a + vmovdqu ymm1, [eax + esi] // src0 + vmovdqu ymm2, [edx + esi] // src1 + vpunpckhbw ymm4, ymm1, ymm2 + vpunpcklbw ymm1, ymm1, ymm2 + vpsubb ymm4, ymm4, ymm6 // bias src0/1 - 128 + vpsubb ymm1, ymm1, ymm6 // bias src0/1 - 128 + vpmaddubsw ymm3, ymm3, ymm4 + vpmaddubsw ymm0, ymm0, ymm1 + vpaddw ymm3, ymm3, ymm7 // unbias result - 32768 and round. + vpaddw ymm0, ymm0, ymm7 // unbias result - 32768 and round. + vpsrlw ymm3, ymm3, 8 + vpsrlw ymm0, ymm0, 8 + vpackuswb ymm0, ymm0, ymm3 + vmovdqu [edi + esi], ymm0 + lea esi, [esi + 32] + sub ecx, 32 + jg convertloop32 + + pop edi + pop esi + vzeroupper + ret + } +} +#endif // HAS_BLENDPLANEROW_AVX2 + +#ifdef HAS_ARGBBLENDROW_SSSE3 +// Shuffle table for isolating alpha. +static const uvec8 kShuffleAlpha = {3u, 0x80, 3u, 0x80, 7u, 0x80, 7u, 0x80, + 11u, 0x80, 11u, 0x80, 15u, 0x80, 15u, 0x80}; + +// Blend 8 pixels at a time. +__declspec(naked) void ARGBBlendRow_SSSE3(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_argb0 + mov esi, [esp + 4 + 8] // src_argb1 + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + pcmpeqb xmm7, xmm7 // generate constant 0x0001 + psrlw xmm7, 15 + pcmpeqb xmm6, xmm6 // generate mask 0x00ff00ff + psrlw xmm6, 8 + pcmpeqb xmm5, xmm5 // generate mask 0xff00ff00 + psllw xmm5, 8 + pcmpeqb xmm4, xmm4 // generate mask 0xff000000 + pslld xmm4, 24 + sub ecx, 4 + jl convertloop4b // less than 4 pixels? + + // 4 pixel loop. + convertloop4: + movdqu xmm3, [eax] // src argb + lea eax, [eax + 16] + movdqa xmm0, xmm3 // src argb + pxor xmm3, xmm4 // ~alpha + movdqu xmm2, [esi] // _r_b + pshufb xmm3, xmmword ptr kShuffleAlpha // alpha + pand xmm2, xmm6 // _r_b + paddw xmm3, xmm7 // 256 - alpha + pmullw xmm2, xmm3 // _r_b * alpha + movdqu xmm1, [esi] // _a_g + lea esi, [esi + 16] + psrlw xmm1, 8 // _a_g + por xmm0, xmm4 // set alpha to 255 + pmullw xmm1, xmm3 // _a_g * alpha + psrlw xmm2, 8 // _r_b convert to 8 bits again + paddusb xmm0, xmm2 // + src argb + pand xmm1, xmm5 // a_g_ convert to 8 bits again + paddusb xmm0, xmm1 // + src argb + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 4 + jge convertloop4 + + convertloop4b: + add ecx, 4 - 1 + jl convertloop1b + + // 1 pixel loop. + convertloop1: + movd xmm3, [eax] // src argb + lea eax, [eax + 4] + movdqa xmm0, xmm3 // src argb + pxor xmm3, xmm4 // ~alpha + movd xmm2, [esi] // _r_b + pshufb xmm3, xmmword ptr kShuffleAlpha // alpha + pand xmm2, xmm6 // _r_b + paddw xmm3, xmm7 // 256 - alpha + pmullw xmm2, xmm3 // _r_b * alpha + movd xmm1, [esi] // _a_g + lea esi, [esi + 4] + psrlw xmm1, 8 // _a_g + por xmm0, xmm4 // set alpha to 255 + pmullw xmm1, xmm3 // _a_g * alpha + psrlw xmm2, 8 // _r_b convert to 8 bits again + paddusb xmm0, xmm2 // + src argb + pand xmm1, xmm5 // a_g_ convert to 8 bits again + paddusb xmm0, xmm1 // + src argb + movd [edx], xmm0 + lea edx, [edx + 4] + sub ecx, 1 + jge convertloop1 + + convertloop1b: + pop esi + ret + } +} +#endif // HAS_ARGBBLENDROW_SSSE3 + +#ifdef HAS_ARGBATTENUATEROW_SSSE3 +// Shuffle table duplicating alpha. +static const uvec8 kShuffleAlpha0 = { + 3u, 3u, 3u, 3u, 3u, 3u, 128u, 128u, 7u, 7u, 7u, 7u, 7u, 7u, 128u, 128u, +}; +static const uvec8 kShuffleAlpha1 = { + 11u, 11u, 11u, 11u, 11u, 11u, 128u, 128u, + 15u, 15u, 15u, 15u, 15u, 15u, 128u, 128u, +}; +__declspec(naked) void ARGBAttenuateRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb0 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + pcmpeqb xmm3, xmm3 // generate mask 0xff000000 + pslld xmm3, 24 + movdqa xmm4, xmmword ptr kShuffleAlpha0 + movdqa xmm5, xmmword ptr kShuffleAlpha1 + + convertloop: + movdqu xmm0, [eax] // read 4 pixels + pshufb xmm0, xmm4 // isolate first 2 alphas + movdqu xmm1, [eax] // read 4 pixels + punpcklbw xmm1, xmm1 // first 2 pixel rgbs + pmulhuw xmm0, xmm1 // rgb * a + movdqu xmm1, [eax] // read 4 pixels + pshufb xmm1, xmm5 // isolate next 2 alphas + movdqu xmm2, [eax] // read 4 pixels + punpckhbw xmm2, xmm2 // next 2 pixel rgbs + pmulhuw xmm1, xmm2 // rgb * a + movdqu xmm2, [eax] // mask original alpha + lea eax, [eax + 16] + pand xmm2, xmm3 + psrlw xmm0, 8 + psrlw xmm1, 8 + packuswb xmm0, xmm1 + por xmm0, xmm2 // copy original alpha + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 4 + jg convertloop + + ret + } +} +#endif // HAS_ARGBATTENUATEROW_SSSE3 + +#ifdef HAS_ARGBATTENUATEROW_AVX2 +// Shuffle table duplicating alpha. +static const uvec8 kShuffleAlpha_AVX2 = {6u, 7u, 6u, 7u, 6u, 7u, + 128u, 128u, 14u, 15u, 14u, 15u, + 14u, 15u, 128u, 128u}; +__declspec(naked) void ARGBAttenuateRow_AVX2(const uint8_t* src_argb, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb0 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + sub edx, eax + vbroadcastf128 ymm4, xmmword ptr kShuffleAlpha_AVX2 + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0xff000000 + vpslld ymm5, ymm5, 24 + + convertloop: + vmovdqu ymm6, [eax] // read 8 pixels. + vpunpcklbw ymm0, ymm6, ymm6 // low 4 pixels. mutated. + vpunpckhbw ymm1, ymm6, ymm6 // high 4 pixels. mutated. + vpshufb ymm2, ymm0, ymm4 // low 4 alphas + vpshufb ymm3, ymm1, ymm4 // high 4 alphas + vpmulhuw ymm0, ymm0, ymm2 // rgb * a + vpmulhuw ymm1, ymm1, ymm3 // rgb * a + vpand ymm6, ymm6, ymm5 // isolate alpha + vpsrlw ymm0, ymm0, 8 + vpsrlw ymm1, ymm1, 8 + vpackuswb ymm0, ymm0, ymm1 // unmutated. + vpor ymm0, ymm0, ymm6 // copy original alpha + vmovdqu [eax + edx], ymm0 + lea eax, [eax + 32] + sub ecx, 8 + jg convertloop + + vzeroupper + ret + } +} +#endif // HAS_ARGBATTENUATEROW_AVX2 + +#ifdef HAS_ARGBUNATTENUATEROW_SSE2 +// Unattenuate 4 pixels at a time. +__declspec(naked) void ARGBUnattenuateRow_SSE2(const uint8_t* src_argb, + uint8_t* dst_argb, + int width) { + __asm { + push ebx + push esi + push edi + mov eax, [esp + 12 + 4] // src_argb + mov edx, [esp + 12 + 8] // dst_argb + mov ecx, [esp + 12 + 12] // width + lea ebx, fixed_invtbl8 + + convertloop: + movdqu xmm0, [eax] // read 4 pixels + movzx esi, byte ptr [eax + 3] // first alpha + movzx edi, byte ptr [eax + 7] // second alpha + punpcklbw xmm0, xmm0 // first 2 + movd xmm2, dword ptr [ebx + esi * 4] + movd xmm3, dword ptr [ebx + edi * 4] + pshuflw xmm2, xmm2, 040h // first 4 inv_alpha words. 1, a, a, a + pshuflw xmm3, xmm3, 040h // next 4 inv_alpha words + movlhps xmm2, xmm3 + pmulhuw xmm0, xmm2 // rgb * a + + movdqu xmm1, [eax] // read 4 pixels + movzx esi, byte ptr [eax + 11] // third alpha + movzx edi, byte ptr [eax + 15] // forth alpha + punpckhbw xmm1, xmm1 // next 2 + movd xmm2, dword ptr [ebx + esi * 4] + movd xmm3, dword ptr [ebx + edi * 4] + pshuflw xmm2, xmm2, 040h // first 4 inv_alpha words + pshuflw xmm3, xmm3, 040h // next 4 inv_alpha words + movlhps xmm2, xmm3 + pmulhuw xmm1, xmm2 // rgb * a + lea eax, [eax + 16] + packuswb xmm0, xmm1 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 4 + jg convertloop + + pop edi + pop esi + pop ebx + ret + } +} +#endif // HAS_ARGBUNATTENUATEROW_SSE2 + +#ifdef HAS_ARGBUNATTENUATEROW_AVX2 +// Shuffle table duplicating alpha. +static const uvec8 kUnattenShuffleAlpha_AVX2 = { + 0u, 1u, 0u, 1u, 0u, 1u, 6u, 7u, 8u, 9u, 8u, 9u, 8u, 9u, 14u, 15u}; +// TODO(fbarchard): Enable USE_GATHER for future hardware if faster. +// USE_GATHER is not on by default, due to being a slow instruction. +#ifdef USE_GATHER +__declspec(naked) void ARGBUnattenuateRow_AVX2(const uint8_t* src_argb, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, [esp + 4] // src_argb0 + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + sub edx, eax + vbroadcastf128 ymm4, xmmword ptr kUnattenShuffleAlpha_AVX2 + + convertloop: + vmovdqu ymm6, [eax] // read 8 pixels. + vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0xffffffff for gather. + vpsrld ymm2, ymm6, 24 // alpha in low 8 bits. + vpunpcklbw ymm0, ymm6, ymm6 // low 4 pixels. mutated. + vpunpckhbw ymm1, ymm6, ymm6 // high 4 pixels. mutated. + vpgatherdd ymm3, [ymm2 * 4 + fixed_invtbl8], ymm5 // ymm5 cleared. 1, a + vpunpcklwd ymm2, ymm3, ymm3 // low 4 inverted alphas. mutated. 1, 1, a, a + vpunpckhwd ymm3, ymm3, ymm3 // high 4 inverted alphas. mutated. + vpshufb ymm2, ymm2, ymm4 // replicate low 4 alphas. 1, a, a, a + vpshufb ymm3, ymm3, ymm4 // replicate high 4 alphas + vpmulhuw ymm0, ymm0, ymm2 // rgb * ia + vpmulhuw ymm1, ymm1, ymm3 // rgb * ia + vpackuswb ymm0, ymm0, ymm1 // unmutated. + vmovdqu [eax + edx], ymm0 + lea eax, [eax + 32] + sub ecx, 8 + jg convertloop + + vzeroupper + ret + } +} +#else // USE_GATHER +__declspec(naked) void ARGBUnattenuateRow_AVX2(const uint8_t* src_argb, + uint8_t* dst_argb, + int width) { + __asm { + + push ebx + push esi + push edi + mov eax, [esp + 12 + 4] // src_argb + mov edx, [esp + 12 + 8] // dst_argb + mov ecx, [esp + 12 + 12] // width + sub edx, eax + lea ebx, fixed_invtbl8 + vbroadcastf128 ymm5, xmmword ptr kUnattenShuffleAlpha_AVX2 + + convertloop: + // replace VPGATHER + movzx esi, byte ptr [eax + 3] // alpha0 + movzx edi, byte ptr [eax + 7] // alpha1 + vmovd xmm0, dword ptr [ebx + esi * 4] // [1,a0] + vmovd xmm1, dword ptr [ebx + edi * 4] // [1,a1] + movzx esi, byte ptr [eax + 11] // alpha2 + movzx edi, byte ptr [eax + 15] // alpha3 + vpunpckldq xmm6, xmm0, xmm1 // [1,a1,1,a0] + vmovd xmm2, dword ptr [ebx + esi * 4] // [1,a2] + vmovd xmm3, dword ptr [ebx + edi * 4] // [1,a3] + movzx esi, byte ptr [eax + 19] // alpha4 + movzx edi, byte ptr [eax + 23] // alpha5 + vpunpckldq xmm7, xmm2, xmm3 // [1,a3,1,a2] + vmovd xmm0, dword ptr [ebx + esi * 4] // [1,a4] + vmovd xmm1, dword ptr [ebx + edi * 4] // [1,a5] + movzx esi, byte ptr [eax + 27] // alpha6 + movzx edi, byte ptr [eax + 31] // alpha7 + vpunpckldq xmm0, xmm0, xmm1 // [1,a5,1,a4] + vmovd xmm2, dword ptr [ebx + esi * 4] // [1,a6] + vmovd xmm3, dword ptr [ebx + edi * 4] // [1,a7] + vpunpckldq xmm2, xmm2, xmm3 // [1,a7,1,a6] + vpunpcklqdq xmm3, xmm6, xmm7 // [1,a3,1,a2,1,a1,1,a0] + vpunpcklqdq xmm0, xmm0, xmm2 // [1,a7,1,a6,1,a5,1,a4] + vinserti128 ymm3, ymm3, xmm0, 1 // [1,a7,1,a6,1,a5,1,a4,1,a3,1,a2,1,a1,1,a0] + // end of VPGATHER + + vmovdqu ymm6, [eax] // read 8 pixels. + vpunpcklbw ymm0, ymm6, ymm6 // low 4 pixels. mutated. + vpunpckhbw ymm1, ymm6, ymm6 // high 4 pixels. mutated. + vpunpcklwd ymm2, ymm3, ymm3 // low 4 inverted alphas. mutated. 1, 1, a, a + vpunpckhwd ymm3, ymm3, ymm3 // high 4 inverted alphas. mutated. + vpshufb ymm2, ymm2, ymm5 // replicate low 4 alphas. 1, a, a, a + vpshufb ymm3, ymm3, ymm5 // replicate high 4 alphas + vpmulhuw ymm0, ymm0, ymm2 // rgb * ia + vpmulhuw ymm1, ymm1, ymm3 // rgb * ia + vpackuswb ymm0, ymm0, ymm1 // unmutated. + vmovdqu [eax + edx], ymm0 + lea eax, [eax + 32] + sub ecx, 8 + jg convertloop + + pop edi + pop esi + pop ebx + vzeroupper + ret + } +} +#endif // USE_GATHER +#endif // HAS_ARGBATTENUATEROW_AVX2 + +#ifdef HAS_ARGBGRAYROW_SSSE3 +// Convert 8 ARGB pixels (64 bytes) to 8 Gray ARGB pixels. +__declspec(naked) void ARGBGrayRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_argb, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_argb */ + mov ecx, [esp + 12] /* width */ + movdqa xmm4, xmmword ptr kARGBToYJ + movdqa xmm5, xmmword ptr kAddYJ64 + + convertloop: + movdqu xmm0, [eax] // G + movdqu xmm1, [eax + 16] + pmaddubsw xmm0, xmm4 + pmaddubsw xmm1, xmm4 + phaddw xmm0, xmm1 + paddw xmm0, xmm5 // Add .5 for rounding. + psrlw xmm0, 7 + packuswb xmm0, xmm0 // 8 G bytes + movdqu xmm2, [eax] // A + movdqu xmm3, [eax + 16] + lea eax, [eax + 32] + psrld xmm2, 24 + psrld xmm3, 24 + packuswb xmm2, xmm3 + packuswb xmm2, xmm2 // 8 A bytes + movdqa xmm3, xmm0 // Weave into GG, GA, then GGGA + punpcklbw xmm0, xmm0 // 8 GG words + punpcklbw xmm3, xmm2 // 8 GA words + movdqa xmm1, xmm0 + punpcklwd xmm0, xmm3 // GGGA first 4 + punpckhwd xmm1, xmm3 // GGGA next 4 + movdqu [edx], xmm0 + movdqu [edx + 16], xmm1 + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + ret + } +} +#endif // HAS_ARGBGRAYROW_SSSE3 + +#ifdef HAS_ARGBSEPIAROW_SSSE3 +// b = (r * 35 + g * 68 + b * 17) >> 7 +// g = (r * 45 + g * 88 + b * 22) >> 7 +// r = (r * 50 + g * 98 + b * 24) >> 7 +// Constant for ARGB color to sepia tone. +static const vec8 kARGBToSepiaB = {17, 68, 35, 0, 17, 68, 35, 0, + 17, 68, 35, 0, 17, 68, 35, 0}; + +static const vec8 kARGBToSepiaG = {22, 88, 45, 0, 22, 88, 45, 0, + 22, 88, 45, 0, 22, 88, 45, 0}; + +static const vec8 kARGBToSepiaR = {24, 98, 50, 0, 24, 98, 50, 0, + 24, 98, 50, 0, 24, 98, 50, 0}; + +// Convert 8 ARGB pixels (32 bytes) to 8 Sepia ARGB pixels. +__declspec(naked) void ARGBSepiaRow_SSSE3(uint8_t* dst_argb, int width) { + __asm { + mov eax, [esp + 4] /* dst_argb */ + mov ecx, [esp + 8] /* width */ + movdqa xmm2, xmmword ptr kARGBToSepiaB + movdqa xmm3, xmmword ptr kARGBToSepiaG + movdqa xmm4, xmmword ptr kARGBToSepiaR + + convertloop: + movdqu xmm0, [eax] // B + movdqu xmm6, [eax + 16] + pmaddubsw xmm0, xmm2 + pmaddubsw xmm6, xmm2 + phaddw xmm0, xmm6 + psrlw xmm0, 7 + packuswb xmm0, xmm0 // 8 B values + movdqu xmm5, [eax] // G + movdqu xmm1, [eax + 16] + pmaddubsw xmm5, xmm3 + pmaddubsw xmm1, xmm3 + phaddw xmm5, xmm1 + psrlw xmm5, 7 + packuswb xmm5, xmm5 // 8 G values + punpcklbw xmm0, xmm5 // 8 BG values + movdqu xmm5, [eax] // R + movdqu xmm1, [eax + 16] + pmaddubsw xmm5, xmm4 + pmaddubsw xmm1, xmm4 + phaddw xmm5, xmm1 + psrlw xmm5, 7 + packuswb xmm5, xmm5 // 8 R values + movdqu xmm6, [eax] // A + movdqu xmm1, [eax + 16] + psrld xmm6, 24 + psrld xmm1, 24 + packuswb xmm6, xmm1 + packuswb xmm6, xmm6 // 8 A values + punpcklbw xmm5, xmm6 // 8 RA values + movdqa xmm1, xmm0 // Weave BG, RA together + punpcklwd xmm0, xmm5 // BGRA first 4 + punpckhwd xmm1, xmm5 // BGRA next 4 + movdqu [eax], xmm0 + movdqu [eax + 16], xmm1 + lea eax, [eax + 32] + sub ecx, 8 + jg convertloop + ret + } +} +#endif // HAS_ARGBSEPIAROW_SSSE3 + +#ifdef HAS_ARGBCOLORMATRIXROW_SSSE3 +// Tranform 8 ARGB pixels (32 bytes) with color matrix. +// Same as Sepia except matrix is provided. +// TODO(fbarchard): packuswbs only use half of the reg. To make RGBA, combine R +// and B into a high and low, then G/A, unpackl/hbw and then unpckl/hwd. +__declspec(naked) void ARGBColorMatrixRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_argb, + const int8_t* matrix_argb, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_argb */ + mov ecx, [esp + 12] /* matrix_argb */ + movdqu xmm5, [ecx] + pshufd xmm2, xmm5, 0x00 + pshufd xmm3, xmm5, 0x55 + pshufd xmm4, xmm5, 0xaa + pshufd xmm5, xmm5, 0xff + mov ecx, [esp + 16] /* width */ + + convertloop: + movdqu xmm0, [eax] // B + movdqu xmm7, [eax + 16] + pmaddubsw xmm0, xmm2 + pmaddubsw xmm7, xmm2 + movdqu xmm6, [eax] // G + movdqu xmm1, [eax + 16] + pmaddubsw xmm6, xmm3 + pmaddubsw xmm1, xmm3 + phaddsw xmm0, xmm7 // B + phaddsw xmm6, xmm1 // G + psraw xmm0, 6 // B + psraw xmm6, 6 // G + packuswb xmm0, xmm0 // 8 B values + packuswb xmm6, xmm6 // 8 G values + punpcklbw xmm0, xmm6 // 8 BG values + movdqu xmm1, [eax] // R + movdqu xmm7, [eax + 16] + pmaddubsw xmm1, xmm4 + pmaddubsw xmm7, xmm4 + phaddsw xmm1, xmm7 // R + movdqu xmm6, [eax] // A + movdqu xmm7, [eax + 16] + pmaddubsw xmm6, xmm5 + pmaddubsw xmm7, xmm5 + phaddsw xmm6, xmm7 // A + psraw xmm1, 6 // R + psraw xmm6, 6 // A + packuswb xmm1, xmm1 // 8 R values + packuswb xmm6, xmm6 // 8 A values + punpcklbw xmm1, xmm6 // 8 RA values + movdqa xmm6, xmm0 // Weave BG, RA together + punpcklwd xmm0, xmm1 // BGRA first 4 + punpckhwd xmm6, xmm1 // BGRA next 4 + movdqu [edx], xmm0 + movdqu [edx + 16], xmm6 + lea eax, [eax + 32] + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + ret + } +} +#endif // HAS_ARGBCOLORMATRIXROW_SSSE3 + +#ifdef HAS_ARGBQUANTIZEROW_SSE2 +// Quantize 4 ARGB pixels (16 bytes). +__declspec(naked) void ARGBQuantizeRow_SSE2(uint8_t* dst_argb, + int scale, + int interval_size, + int interval_offset, + int width) { + __asm { + mov eax, [esp + 4] /* dst_argb */ + movd xmm2, [esp + 8] /* scale */ + movd xmm3, [esp + 12] /* interval_size */ + movd xmm4, [esp + 16] /* interval_offset */ + mov ecx, [esp + 20] /* width */ + pshuflw xmm2, xmm2, 040h + pshufd xmm2, xmm2, 044h + pshuflw xmm3, xmm3, 040h + pshufd xmm3, xmm3, 044h + pshuflw xmm4, xmm4, 040h + pshufd xmm4, xmm4, 044h + pxor xmm5, xmm5 // constant 0 + pcmpeqb xmm6, xmm6 // generate mask 0xff000000 + pslld xmm6, 24 + + convertloop: + movdqu xmm0, [eax] // read 4 pixels + punpcklbw xmm0, xmm5 // first 2 pixels + pmulhuw xmm0, xmm2 // pixel * scale >> 16 + movdqu xmm1, [eax] // read 4 pixels + punpckhbw xmm1, xmm5 // next 2 pixels + pmulhuw xmm1, xmm2 + pmullw xmm0, xmm3 // * interval_size + movdqu xmm7, [eax] // read 4 pixels + pmullw xmm1, xmm3 + pand xmm7, xmm6 // mask alpha + paddw xmm0, xmm4 // + interval_size / 2 + paddw xmm1, xmm4 + packuswb xmm0, xmm1 + por xmm0, xmm7 + movdqu [eax], xmm0 + lea eax, [eax + 16] + sub ecx, 4 + jg convertloop + ret + } +} +#endif // HAS_ARGBQUANTIZEROW_SSE2 + +#ifdef HAS_ARGBSHADEROW_SSE2 +// Shade 4 pixels at a time by specified value. +__declspec(naked) void ARGBShadeRow_SSE2(const uint8_t* src_argb, + uint8_t* dst_argb, + int width, + uint32_t value) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // width + movd xmm2, [esp + 16] // value + punpcklbw xmm2, xmm2 + punpcklqdq xmm2, xmm2 + + convertloop: + movdqu xmm0, [eax] // read 4 pixels + lea eax, [eax + 16] + movdqa xmm1, xmm0 + punpcklbw xmm0, xmm0 // first 2 + punpckhbw xmm1, xmm1 // next 2 + pmulhuw xmm0, xmm2 // argb * value + pmulhuw xmm1, xmm2 // argb * value + psrlw xmm0, 8 + psrlw xmm1, 8 + packuswb xmm0, xmm1 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 4 + jg convertloop + + ret + } +} +#endif // HAS_ARGBSHADEROW_SSE2 + +#ifdef HAS_ARGBMULTIPLYROW_SSE2 +// Multiply 2 rows of ARGB pixels together, 4 pixels at a time. +__declspec(naked) void ARGBMultiplyRow_SSE2(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_argb0 + mov esi, [esp + 4 + 8] // src_argb1 + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + pxor xmm5, xmm5 // constant 0 + + convertloop: + movdqu xmm0, [eax] // read 4 pixels from src_argb0 + movdqu xmm2, [esi] // read 4 pixels from src_argb1 + movdqu xmm1, xmm0 + movdqu xmm3, xmm2 + punpcklbw xmm0, xmm0 // first 2 + punpckhbw xmm1, xmm1 // next 2 + punpcklbw xmm2, xmm5 // first 2 + punpckhbw xmm3, xmm5 // next 2 + pmulhuw xmm0, xmm2 // src_argb0 * src_argb1 first 2 + pmulhuw xmm1, xmm3 // src_argb0 * src_argb1 next 2 + lea eax, [eax + 16] + lea esi, [esi + 16] + packuswb xmm0, xmm1 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 4 + jg convertloop + + pop esi + ret + } +} +#endif // HAS_ARGBMULTIPLYROW_SSE2 + +#ifdef HAS_ARGBADDROW_SSE2 +// Add 2 rows of ARGB pixels together, 4 pixels at a time. +// TODO(fbarchard): Port this to posix, neon and other math functions. +__declspec(naked) void ARGBAddRow_SSE2(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_argb0 + mov esi, [esp + 4 + 8] // src_argb1 + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + + sub ecx, 4 + jl convertloop49 + + convertloop4: + movdqu xmm0, [eax] // read 4 pixels from src_argb0 + lea eax, [eax + 16] + movdqu xmm1, [esi] // read 4 pixels from src_argb1 + lea esi, [esi + 16] + paddusb xmm0, xmm1 // src_argb0 + src_argb1 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 4 + jge convertloop4 + + convertloop49: + add ecx, 4 - 1 + jl convertloop19 + + convertloop1: + movd xmm0, [eax] // read 1 pixels from src_argb0 + lea eax, [eax + 4] + movd xmm1, [esi] // read 1 pixels from src_argb1 + lea esi, [esi + 4] + paddusb xmm0, xmm1 // src_argb0 + src_argb1 + movd [edx], xmm0 + lea edx, [edx + 4] + sub ecx, 1 + jge convertloop1 + + convertloop19: + pop esi + ret + } +} +#endif // HAS_ARGBADDROW_SSE2 + +#ifdef HAS_ARGBSUBTRACTROW_SSE2 +// Subtract 2 rows of ARGB pixels together, 4 pixels at a time. +__declspec(naked) void ARGBSubtractRow_SSE2(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_argb0 + mov esi, [esp + 4 + 8] // src_argb1 + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + + convertloop: + movdqu xmm0, [eax] // read 4 pixels from src_argb0 + lea eax, [eax + 16] + movdqu xmm1, [esi] // read 4 pixels from src_argb1 + lea esi, [esi + 16] + psubusb xmm0, xmm1 // src_argb0 - src_argb1 + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 4 + jg convertloop + + pop esi + ret + } +} +#endif // HAS_ARGBSUBTRACTROW_SSE2 + +#ifdef HAS_ARGBMULTIPLYROW_AVX2 +// Multiply 2 rows of ARGB pixels together, 8 pixels at a time. +__declspec(naked) void ARGBMultiplyRow_AVX2(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_argb0 + mov esi, [esp + 4 + 8] // src_argb1 + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + vpxor ymm5, ymm5, ymm5 // constant 0 + + convertloop: + vmovdqu ymm1, [eax] // read 8 pixels from src_argb0 + lea eax, [eax + 32] + vmovdqu ymm3, [esi] // read 8 pixels from src_argb1 + lea esi, [esi + 32] + vpunpcklbw ymm0, ymm1, ymm1 // low 4 + vpunpckhbw ymm1, ymm1, ymm1 // high 4 + vpunpcklbw ymm2, ymm3, ymm5 // low 4 + vpunpckhbw ymm3, ymm3, ymm5 // high 4 + vpmulhuw ymm0, ymm0, ymm2 // src_argb0 * src_argb1 low 4 + vpmulhuw ymm1, ymm1, ymm3 // src_argb0 * src_argb1 high 4 + vpackuswb ymm0, ymm0, ymm1 + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + + pop esi + vzeroupper + ret + } +} +#endif // HAS_ARGBMULTIPLYROW_AVX2 + +#ifdef HAS_ARGBADDROW_AVX2 +// Add 2 rows of ARGB pixels together, 8 pixels at a time. +__declspec(naked) void ARGBAddRow_AVX2(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_argb0 + mov esi, [esp + 4 + 8] // src_argb1 + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + + convertloop: + vmovdqu ymm0, [eax] // read 8 pixels from src_argb0 + lea eax, [eax + 32] + vpaddusb ymm0, ymm0, [esi] // add 8 pixels from src_argb1 + lea esi, [esi + 32] + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + + pop esi + vzeroupper + ret + } +} +#endif // HAS_ARGBADDROW_AVX2 + +#ifdef HAS_ARGBSUBTRACTROW_AVX2 +// Subtract 2 rows of ARGB pixels together, 8 pixels at a time. +__declspec(naked) void ARGBSubtractRow_AVX2(const uint8_t* src_argb0, + const uint8_t* src_argb1, + uint8_t* dst_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_argb0 + mov esi, [esp + 4 + 8] // src_argb1 + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + + convertloop: + vmovdqu ymm0, [eax] // read 8 pixels from src_argb0 + lea eax, [eax + 32] + vpsubusb ymm0, ymm0, [esi] // src_argb0 - src_argb1 + lea esi, [esi + 32] + vmovdqu [edx], ymm0 + lea edx, [edx + 32] + sub ecx, 8 + jg convertloop + + pop esi + vzeroupper + ret + } +} +#endif // HAS_ARGBSUBTRACTROW_AVX2 + +#ifdef HAS_SOBELXROW_SSE2 +// SobelX as a matrix is +// -1 0 1 +// -2 0 2 +// -1 0 1 +__declspec(naked) void SobelXRow_SSE2(const uint8_t* src_y0, + const uint8_t* src_y1, + const uint8_t* src_y2, + uint8_t* dst_sobelx, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_y0 + mov esi, [esp + 8 + 8] // src_y1 + mov edi, [esp + 8 + 12] // src_y2 + mov edx, [esp + 8 + 16] // dst_sobelx + mov ecx, [esp + 8 + 20] // width + sub esi, eax + sub edi, eax + sub edx, eax + pxor xmm5, xmm5 // constant 0 + + convertloop: + movq xmm0, qword ptr [eax] // read 8 pixels from src_y0[0] + movq xmm1, qword ptr [eax + 2] // read 8 pixels from src_y0[2] + punpcklbw xmm0, xmm5 + punpcklbw xmm1, xmm5 + psubw xmm0, xmm1 + movq xmm1, qword ptr [eax + esi] // read 8 pixels from src_y1[0] + movq xmm2, qword ptr [eax + esi + 2] // read 8 pixels from src_y1[2] + punpcklbw xmm1, xmm5 + punpcklbw xmm2, xmm5 + psubw xmm1, xmm2 + movq xmm2, qword ptr [eax + edi] // read 8 pixels from src_y2[0] + movq xmm3, qword ptr [eax + edi + 2] // read 8 pixels from src_y2[2] + punpcklbw xmm2, xmm5 + punpcklbw xmm3, xmm5 + psubw xmm2, xmm3 + paddw xmm0, xmm2 + paddw xmm0, xmm1 + paddw xmm0, xmm1 + pxor xmm1, xmm1 // abs = max(xmm0, -xmm0). SSSE3 could use pabsw + psubw xmm1, xmm0 + pmaxsw xmm0, xmm1 + packuswb xmm0, xmm0 + movq qword ptr [eax + edx], xmm0 + lea eax, [eax + 8] + sub ecx, 8 + jg convertloop + + pop edi + pop esi + ret + } +} +#endif // HAS_SOBELXROW_SSE2 + +#ifdef HAS_SOBELYROW_SSE2 +// SobelY as a matrix is +// -1 -2 -1 +// 0 0 0 +// 1 2 1 +__declspec(naked) void SobelYRow_SSE2(const uint8_t* src_y0, + const uint8_t* src_y1, + uint8_t* dst_sobely, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_y0 + mov esi, [esp + 4 + 8] // src_y1 + mov edx, [esp + 4 + 12] // dst_sobely + mov ecx, [esp + 4 + 16] // width + sub esi, eax + sub edx, eax + pxor xmm5, xmm5 // constant 0 + + convertloop: + movq xmm0, qword ptr [eax] // read 8 pixels from src_y0[0] + movq xmm1, qword ptr [eax + esi] // read 8 pixels from src_y1[0] + punpcklbw xmm0, xmm5 + punpcklbw xmm1, xmm5 + psubw xmm0, xmm1 + movq xmm1, qword ptr [eax + 1] // read 8 pixels from src_y0[1] + movq xmm2, qword ptr [eax + esi + 1] // read 8 pixels from src_y1[1] + punpcklbw xmm1, xmm5 + punpcklbw xmm2, xmm5 + psubw xmm1, xmm2 + movq xmm2, qword ptr [eax + 2] // read 8 pixels from src_y0[2] + movq xmm3, qword ptr [eax + esi + 2] // read 8 pixels from src_y1[2] + punpcklbw xmm2, xmm5 + punpcklbw xmm3, xmm5 + psubw xmm2, xmm3 + paddw xmm0, xmm2 + paddw xmm0, xmm1 + paddw xmm0, xmm1 + pxor xmm1, xmm1 // abs = max(xmm0, -xmm0). SSSE3 could use pabsw + psubw xmm1, xmm0 + pmaxsw xmm0, xmm1 + packuswb xmm0, xmm0 + movq qword ptr [eax + edx], xmm0 + lea eax, [eax + 8] + sub ecx, 8 + jg convertloop + + pop esi + ret + } +} +#endif // HAS_SOBELYROW_SSE2 + +#ifdef HAS_SOBELROW_SSE2 +// Adds Sobel X and Sobel Y and stores Sobel into ARGB. +// A = 255 +// R = Sobel +// G = Sobel +// B = Sobel +__declspec(naked) void SobelRow_SSE2(const uint8_t* src_sobelx, + const uint8_t* src_sobely, + uint8_t* dst_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_sobelx + mov esi, [esp + 4 + 8] // src_sobely + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + sub esi, eax + pcmpeqb xmm5, xmm5 // alpha 255 + pslld xmm5, 24 // 0xff000000 + + convertloop: + movdqu xmm0, [eax] // read 16 pixels src_sobelx + movdqu xmm1, [eax + esi] // read 16 pixels src_sobely + lea eax, [eax + 16] + paddusb xmm0, xmm1 // sobel = sobelx + sobely + movdqa xmm2, xmm0 // GG + punpcklbw xmm2, xmm0 // First 8 + punpckhbw xmm0, xmm0 // Next 8 + movdqa xmm1, xmm2 // GGGG + punpcklwd xmm1, xmm2 // First 4 + punpckhwd xmm2, xmm2 // Next 4 + por xmm1, xmm5 // GGGA + por xmm2, xmm5 + movdqa xmm3, xmm0 // GGGG + punpcklwd xmm3, xmm0 // Next 4 + punpckhwd xmm0, xmm0 // Last 4 + por xmm3, xmm5 // GGGA + por xmm0, xmm5 + movdqu [edx], xmm1 + movdqu [edx + 16], xmm2 + movdqu [edx + 32], xmm3 + movdqu [edx + 48], xmm0 + lea edx, [edx + 64] + sub ecx, 16 + jg convertloop + + pop esi + ret + } +} +#endif // HAS_SOBELROW_SSE2 + +#ifdef HAS_SOBELTOPLANEROW_SSE2 +// Adds Sobel X and Sobel Y and stores Sobel into a plane. +__declspec(naked) void SobelToPlaneRow_SSE2(const uint8_t* src_sobelx, + const uint8_t* src_sobely, + uint8_t* dst_y, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_sobelx + mov esi, [esp + 4 + 8] // src_sobely + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + sub esi, eax + + convertloop: + movdqu xmm0, [eax] // read 16 pixels src_sobelx + movdqu xmm1, [eax + esi] // read 16 pixels src_sobely + lea eax, [eax + 16] + paddusb xmm0, xmm1 // sobel = sobelx + sobely + movdqu [edx], xmm0 + lea edx, [edx + 16] + sub ecx, 16 + jg convertloop + + pop esi + ret + } +} +#endif // HAS_SOBELTOPLANEROW_SSE2 + +#ifdef HAS_SOBELXYROW_SSE2 +// Mixes Sobel X, Sobel Y and Sobel into ARGB. +// A = 255 +// R = Sobel X +// G = Sobel +// B = Sobel Y +__declspec(naked) void SobelXYRow_SSE2(const uint8_t* src_sobelx, + const uint8_t* src_sobely, + uint8_t* dst_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] // src_sobelx + mov esi, [esp + 4 + 8] // src_sobely + mov edx, [esp + 4 + 12] // dst_argb + mov ecx, [esp + 4 + 16] // width + sub esi, eax + pcmpeqb xmm5, xmm5 // alpha 255 + + convertloop: + movdqu xmm0, [eax] // read 16 pixels src_sobelx + movdqu xmm1, [eax + esi] // read 16 pixels src_sobely + lea eax, [eax + 16] + movdqa xmm2, xmm0 + paddusb xmm2, xmm1 // sobel = sobelx + sobely + movdqa xmm3, xmm0 // XA + punpcklbw xmm3, xmm5 + punpckhbw xmm0, xmm5 + movdqa xmm4, xmm1 // YS + punpcklbw xmm4, xmm2 + punpckhbw xmm1, xmm2 + movdqa xmm6, xmm4 // YSXA + punpcklwd xmm6, xmm3 // First 4 + punpckhwd xmm4, xmm3 // Next 4 + movdqa xmm7, xmm1 // YSXA + punpcklwd xmm7, xmm0 // Next 4 + punpckhwd xmm1, xmm0 // Last 4 + movdqu [edx], xmm6 + movdqu [edx + 16], xmm4 + movdqu [edx + 32], xmm7 + movdqu [edx + 48], xmm1 + lea edx, [edx + 64] + sub ecx, 16 + jg convertloop + + pop esi + ret + } +} +#endif // HAS_SOBELXYROW_SSE2 + +#ifdef HAS_CUMULATIVESUMTOAVERAGEROW_SSE2 +// Consider float CumulativeSum. +// Consider calling CumulativeSum one row at time as needed. +// Consider circular CumulativeSum buffer of radius * 2 + 1 height. +// Convert cumulative sum for an area to an average for 1 pixel. +// topleft is pointer to top left of CumulativeSum buffer for area. +// botleft is pointer to bottom left of CumulativeSum buffer. +// width is offset from left to right of area in CumulativeSum buffer measured +// in number of ints. +// area is the number of pixels in the area being averaged. +// dst points to pixel to store result to. +// count is number of averaged pixels to produce. +// Does 4 pixels at a time. +// This function requires alignment on accumulation buffer pointers. +void CumulativeSumToAverageRow_SSE2(const int32_t* topleft, + const int32_t* botleft, + int width, + int area, + uint8_t* dst, + int count) { + __asm { + mov eax, topleft // eax topleft + mov esi, botleft // esi botleft + mov edx, width + movd xmm5, area + mov edi, dst + mov ecx, count + cvtdq2ps xmm5, xmm5 + rcpss xmm4, xmm5 // 1.0f / area + pshufd xmm4, xmm4, 0 + sub ecx, 4 + jl l4b + + cmp area, 128 // 128 pixels will not overflow 15 bits. + ja l4 + + pshufd xmm5, xmm5, 0 // area + pcmpeqb xmm6, xmm6 // constant of 65536.0 - 1 = 65535.0 + psrld xmm6, 16 + cvtdq2ps xmm6, xmm6 + addps xmm5, xmm6 // (65536.0 + area - 1) + mulps xmm5, xmm4 // (65536.0 + area - 1) * 1 / area + cvtps2dq xmm5, xmm5 // 0.16 fixed point + packssdw xmm5, xmm5 // 16 bit shorts + + // 4 pixel loop small blocks. + s4: + // top left + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + 32] + movdqu xmm3, [eax + 48] + + // - top right + psubd xmm0, [eax + edx * 4] + psubd xmm1, [eax + edx * 4 + 16] + psubd xmm2, [eax + edx * 4 + 32] + psubd xmm3, [eax + edx * 4 + 48] + lea eax, [eax + 64] + + // - bottom left + psubd xmm0, [esi] + psubd xmm1, [esi + 16] + psubd xmm2, [esi + 32] + psubd xmm3, [esi + 48] + + // + bottom right + paddd xmm0, [esi + edx * 4] + paddd xmm1, [esi + edx * 4 + 16] + paddd xmm2, [esi + edx * 4 + 32] + paddd xmm3, [esi + edx * 4 + 48] + lea esi, [esi + 64] + + packssdw xmm0, xmm1 // pack 4 pixels into 2 registers + packssdw xmm2, xmm3 + + pmulhuw xmm0, xmm5 + pmulhuw xmm2, xmm5 + + packuswb xmm0, xmm2 + movdqu [edi], xmm0 + lea edi, [edi + 16] + sub ecx, 4 + jge s4 + + jmp l4b + + // 4 pixel loop + l4: + // top left + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + movdqu xmm2, [eax + 32] + movdqu xmm3, [eax + 48] + + // - top right + psubd xmm0, [eax + edx * 4] + psubd xmm1, [eax + edx * 4 + 16] + psubd xmm2, [eax + edx * 4 + 32] + psubd xmm3, [eax + edx * 4 + 48] + lea eax, [eax + 64] + + // - bottom left + psubd xmm0, [esi] + psubd xmm1, [esi + 16] + psubd xmm2, [esi + 32] + psubd xmm3, [esi + 48] + + // + bottom right + paddd xmm0, [esi + edx * 4] + paddd xmm1, [esi + edx * 4 + 16] + paddd xmm2, [esi + edx * 4 + 32] + paddd xmm3, [esi + edx * 4 + 48] + lea esi, [esi + 64] + + cvtdq2ps xmm0, xmm0 // Average = Sum * 1 / Area + cvtdq2ps xmm1, xmm1 + mulps xmm0, xmm4 + mulps xmm1, xmm4 + cvtdq2ps xmm2, xmm2 + cvtdq2ps xmm3, xmm3 + mulps xmm2, xmm4 + mulps xmm3, xmm4 + cvtps2dq xmm0, xmm0 + cvtps2dq xmm1, xmm1 + cvtps2dq xmm2, xmm2 + cvtps2dq xmm3, xmm3 + packssdw xmm0, xmm1 + packssdw xmm2, xmm3 + packuswb xmm0, xmm2 + movdqu [edi], xmm0 + lea edi, [edi + 16] + sub ecx, 4 + jge l4 + + l4b: + add ecx, 4 - 1 + jl l1b + + // 1 pixel loop + l1: + movdqu xmm0, [eax] + psubd xmm0, [eax + edx * 4] + lea eax, [eax + 16] + psubd xmm0, [esi] + paddd xmm0, [esi + edx * 4] + lea esi, [esi + 16] + cvtdq2ps xmm0, xmm0 + mulps xmm0, xmm4 + cvtps2dq xmm0, xmm0 + packssdw xmm0, xmm0 + packuswb xmm0, xmm0 + movd dword ptr [edi], xmm0 + lea edi, [edi + 4] + sub ecx, 1 + jge l1 + l1b: + } +} +#endif // HAS_CUMULATIVESUMTOAVERAGEROW_SSE2 + +#ifdef HAS_COMPUTECUMULATIVESUMROW_SSE2 +// Creates a table of cumulative sums where each value is a sum of all values +// above and to the left of the value. +void ComputeCumulativeSumRow_SSE2(const uint8_t* row, + int32_t* cumsum, + const int32_t* previous_cumsum, + int width) { + __asm { + mov eax, row + mov edx, cumsum + mov esi, previous_cumsum + mov ecx, width + pxor xmm0, xmm0 + pxor xmm1, xmm1 + + sub ecx, 4 + jl l4b + test edx, 15 + jne l4b + + // 4 pixel loop + l4: + movdqu xmm2, [eax] // 4 argb pixels 16 bytes. + lea eax, [eax + 16] + movdqa xmm4, xmm2 + + punpcklbw xmm2, xmm1 + movdqa xmm3, xmm2 + punpcklwd xmm2, xmm1 + punpckhwd xmm3, xmm1 + + punpckhbw xmm4, xmm1 + movdqa xmm5, xmm4 + punpcklwd xmm4, xmm1 + punpckhwd xmm5, xmm1 + + paddd xmm0, xmm2 + movdqu xmm2, [esi] // previous row above. + paddd xmm2, xmm0 + + paddd xmm0, xmm3 + movdqu xmm3, [esi + 16] + paddd xmm3, xmm0 + + paddd xmm0, xmm4 + movdqu xmm4, [esi + 32] + paddd xmm4, xmm0 + + paddd xmm0, xmm5 + movdqu xmm5, [esi + 48] + lea esi, [esi + 64] + paddd xmm5, xmm0 + + movdqu [edx], xmm2 + movdqu [edx + 16], xmm3 + movdqu [edx + 32], xmm4 + movdqu [edx + 48], xmm5 + + lea edx, [edx + 64] + sub ecx, 4 + jge l4 + + l4b: + add ecx, 4 - 1 + jl l1b + + // 1 pixel loop + l1: + movd xmm2, dword ptr [eax] // 1 argb pixel + lea eax, [eax + 4] + punpcklbw xmm2, xmm1 + punpcklwd xmm2, xmm1 + paddd xmm0, xmm2 + movdqu xmm2, [esi] + lea esi, [esi + 16] + paddd xmm2, xmm0 + movdqu [edx], xmm2 + lea edx, [edx + 16] + sub ecx, 1 + jge l1 + + l1b: + } +} +#endif // HAS_COMPUTECUMULATIVESUMROW_SSE2 + +#ifdef HAS_ARGBAFFINEROW_SSE2 +// Copy ARGB pixels from source image with slope to a row of destination. +__declspec(naked) LIBYUV_API void ARGBAffineRow_SSE2(const uint8_t* src_argb, + int src_argb_stride, + uint8_t* dst_argb, + const float* uv_dudv, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 12] // src_argb + mov esi, [esp + 16] // stride + mov edx, [esp + 20] // dst_argb + mov ecx, [esp + 24] // pointer to uv_dudv + movq xmm2, qword ptr [ecx] // uv + movq xmm7, qword ptr [ecx + 8] // dudv + mov ecx, [esp + 28] // width + shl esi, 16 // 4, stride + add esi, 4 + movd xmm5, esi + sub ecx, 4 + jl l4b + + // setup for 4 pixel loop + pshufd xmm7, xmm7, 0x44 // dup dudv + pshufd xmm5, xmm5, 0 // dup 4, stride + movdqa xmm0, xmm2 // x0, y0, x1, y1 + addps xmm0, xmm7 + movlhps xmm2, xmm0 + movdqa xmm4, xmm7 + addps xmm4, xmm4 // dudv *= 2 + movdqa xmm3, xmm2 // x2, y2, x3, y3 + addps xmm3, xmm4 + addps xmm4, xmm4 // dudv *= 4 + + // 4 pixel loop + l4: + cvttps2dq xmm0, xmm2 // x, y float to int first 2 + cvttps2dq xmm1, xmm3 // x, y float to int next 2 + packssdw xmm0, xmm1 // x, y as 8 shorts + pmaddwd xmm0, xmm5 // offsets = x * 4 + y * stride. + movd esi, xmm0 + pshufd xmm0, xmm0, 0x39 // shift right + movd edi, xmm0 + pshufd xmm0, xmm0, 0x39 // shift right + movd xmm1, [eax + esi] // read pixel 0 + movd xmm6, [eax + edi] // read pixel 1 + punpckldq xmm1, xmm6 // combine pixel 0 and 1 + addps xmm2, xmm4 // x, y += dx, dy first 2 + movq qword ptr [edx], xmm1 + movd esi, xmm0 + pshufd xmm0, xmm0, 0x39 // shift right + movd edi, xmm0 + movd xmm6, [eax + esi] // read pixel 2 + movd xmm0, [eax + edi] // read pixel 3 + punpckldq xmm6, xmm0 // combine pixel 2 and 3 + addps xmm3, xmm4 // x, y += dx, dy next 2 + movq qword ptr 8[edx], xmm6 + lea edx, [edx + 16] + sub ecx, 4 + jge l4 + + l4b: + add ecx, 4 - 1 + jl l1b + + // 1 pixel loop + l1: + cvttps2dq xmm0, xmm2 // x, y float to int + packssdw xmm0, xmm0 // x, y as shorts + pmaddwd xmm0, xmm5 // offset = x * 4 + y * stride + addps xmm2, xmm7 // x, y += dx, dy + movd esi, xmm0 + movd xmm0, [eax + esi] // copy a pixel + movd [edx], xmm0 + lea edx, [edx + 4] + sub ecx, 1 + jge l1 + l1b: + pop edi + pop esi + ret + } +} +#endif // HAS_ARGBAFFINEROW_SSE2 + +#ifdef HAS_INTERPOLATEROW_AVX2 +// Bilinear filter 32x2 -> 32x1 +__declspec(naked) void InterpolateRow_AVX2(uint8_t* dst_ptr, + const uint8_t* src_ptr, + ptrdiff_t src_stride, + int dst_width, + int source_y_fraction) { + __asm { + push esi + push edi + mov edi, [esp + 8 + 4] // dst_ptr + mov esi, [esp + 8 + 8] // src_ptr + mov edx, [esp + 8 + 12] // src_stride + mov ecx, [esp + 8 + 16] // dst_width + mov eax, [esp + 8 + 20] // source_y_fraction (0..255) + // Dispatch to specialized filters if applicable. + cmp eax, 0 + je xloop100 // 0 / 256. Blend 100 / 0. + sub edi, esi + cmp eax, 128 + je xloop50 // 128 /256 is 0.50. Blend 50 / 50. + + vmovd xmm0, eax // high fraction 0..255 + neg eax + add eax, 256 + vmovd xmm5, eax // low fraction 256..1 + vpunpcklbw xmm5, xmm5, xmm0 + vpunpcklwd xmm5, xmm5, xmm5 + vbroadcastss ymm5, xmm5 + + mov eax, 0x80808080 // 128b for bias and rounding. + vmovd xmm4, eax + vbroadcastss ymm4, xmm4 + + xloop: + vmovdqu ymm0, [esi] + vmovdqu ymm2, [esi + edx] + vpunpckhbw ymm1, ymm0, ymm2 // mutates + vpunpcklbw ymm0, ymm0, ymm2 + vpsubb ymm1, ymm1, ymm4 // bias to signed image + vpsubb ymm0, ymm0, ymm4 + vpmaddubsw ymm1, ymm5, ymm1 + vpmaddubsw ymm0, ymm5, ymm0 + vpaddw ymm1, ymm1, ymm4 // unbias and round + vpaddw ymm0, ymm0, ymm4 + vpsrlw ymm1, ymm1, 8 + vpsrlw ymm0, ymm0, 8 + vpackuswb ymm0, ymm0, ymm1 // unmutates + vmovdqu [esi + edi], ymm0 + lea esi, [esi + 32] + sub ecx, 32 + jg xloop + jmp xloop99 + + // Blend 50 / 50. + xloop50: + vmovdqu ymm0, [esi] + vpavgb ymm0, ymm0, [esi + edx] + vmovdqu [esi + edi], ymm0 + lea esi, [esi + 32] + sub ecx, 32 + jg xloop50 + jmp xloop99 + + // Blend 100 / 0 - Copy row unchanged. + xloop100: + rep movsb + + xloop99: + pop edi + pop esi + vzeroupper + ret + } +} +#endif // HAS_INTERPOLATEROW_AVX2 + +// Bilinear filter 16x2 -> 16x1 +// TODO(fbarchard): Consider allowing 256 using memcpy. +__declspec(naked) void InterpolateRow_SSSE3(uint8_t* dst_ptr, + const uint8_t* src_ptr, + ptrdiff_t src_stride, + int dst_width, + int source_y_fraction) { + __asm { + push esi + push edi + + mov edi, [esp + 8 + 4] // dst_ptr + mov esi, [esp + 8 + 8] // src_ptr + mov edx, [esp + 8 + 12] // src_stride + mov ecx, [esp + 8 + 16] // dst_width + mov eax, [esp + 8 + 20] // source_y_fraction (0..255) + sub edi, esi + // Dispatch to specialized filters if applicable. + cmp eax, 0 + je xloop100 // 0 /256. Blend 100 / 0. + cmp eax, 128 + je xloop50 // 128 / 256 is 0.50. Blend 50 / 50. + + movd xmm0, eax // high fraction 0..255 + neg eax + add eax, 256 + movd xmm5, eax // low fraction 255..1 + punpcklbw xmm5, xmm0 + punpcklwd xmm5, xmm5 + pshufd xmm5, xmm5, 0 + mov eax, 0x80808080 // 128 for biasing image to signed. + movd xmm4, eax + pshufd xmm4, xmm4, 0x00 + + xloop: + movdqu xmm0, [esi] + movdqu xmm2, [esi + edx] + movdqu xmm1, xmm0 + punpcklbw xmm0, xmm2 + punpckhbw xmm1, xmm2 + psubb xmm0, xmm4 // bias image by -128 + psubb xmm1, xmm4 + movdqa xmm2, xmm5 + movdqa xmm3, xmm5 + pmaddubsw xmm2, xmm0 + pmaddubsw xmm3, xmm1 + paddw xmm2, xmm4 + paddw xmm3, xmm4 + psrlw xmm2, 8 + psrlw xmm3, 8 + packuswb xmm2, xmm3 + movdqu [esi + edi], xmm2 + lea esi, [esi + 16] + sub ecx, 16 + jg xloop + jmp xloop99 + + // Blend 50 / 50. + xloop50: + movdqu xmm0, [esi] + movdqu xmm1, [esi + edx] + pavgb xmm0, xmm1 + movdqu [esi + edi], xmm0 + lea esi, [esi + 16] + sub ecx, 16 + jg xloop50 + jmp xloop99 + + // Blend 100 / 0 - Copy row unchanged. + xloop100: + movdqu xmm0, [esi] + movdqu [esi + edi], xmm0 + lea esi, [esi + 16] + sub ecx, 16 + jg xloop100 + + xloop99: + pop edi + pop esi + ret + } +} + +// For BGRAToARGB, ABGRToARGB, RGBAToARGB, and ARGBToRGBA. +__declspec(naked) void ARGBShuffleRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_argb, + const uint8_t* shuffler, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // shuffler + movdqu xmm5, [ecx] + mov ecx, [esp + 16] // width + + wloop: + movdqu xmm0, [eax] + movdqu xmm1, [eax + 16] + lea eax, [eax + 32] + pshufb xmm0, xmm5 + pshufb xmm1, xmm5 + movdqu [edx], xmm0 + movdqu [edx + 16], xmm1 + lea edx, [edx + 32] + sub ecx, 8 + jg wloop + ret + } +} + +#ifdef HAS_ARGBSHUFFLEROW_AVX2 +__declspec(naked) void ARGBShuffleRow_AVX2(const uint8_t* src_argb, + uint8_t* dst_argb, + const uint8_t* shuffler, + int width) { + __asm { + mov eax, [esp + 4] // src_argb + mov edx, [esp + 8] // dst_argb + mov ecx, [esp + 12] // shuffler + vbroadcastf128 ymm5, [ecx] // same shuffle in high as low. + mov ecx, [esp + 16] // width + + wloop: + vmovdqu ymm0, [eax] + vmovdqu ymm1, [eax + 32] + lea eax, [eax + 64] + vpshufb ymm0, ymm0, ymm5 + vpshufb ymm1, ymm1, ymm5 + vmovdqu [edx], ymm0 + vmovdqu [edx + 32], ymm1 + lea edx, [edx + 64] + sub ecx, 16 + jg wloop + + vzeroupper + ret + } +} +#endif // HAS_ARGBSHUFFLEROW_AVX2 + +// YUY2 - Macro-pixel = 2 image pixels +// Y0U0Y1V0....Y2U2Y3V2...Y4U4Y5V4.... + +// UYVY - Macro-pixel = 2 image pixels +// U0Y0V0Y1 + +__declspec(naked) void I422ToYUY2Row_SSE2(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_frame, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_y + mov esi, [esp + 8 + 8] // src_u + mov edx, [esp + 8 + 12] // src_v + mov edi, [esp + 8 + 16] // dst_frame + mov ecx, [esp + 8 + 20] // width + sub edx, esi + + convertloop: + movq xmm2, qword ptr [esi] // U + movq xmm3, qword ptr [esi + edx] // V + lea esi, [esi + 8] + punpcklbw xmm2, xmm3 // UV + movdqu xmm0, [eax] // Y + lea eax, [eax + 16] + movdqa xmm1, xmm0 + punpcklbw xmm0, xmm2 // YUYV + punpckhbw xmm1, xmm2 + movdqu [edi], xmm0 + movdqu [edi + 16], xmm1 + lea edi, [edi + 32] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} + +__declspec(naked) void I422ToUYVYRow_SSE2(const uint8_t* src_y, + const uint8_t* src_u, + const uint8_t* src_v, + uint8_t* dst_frame, + int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_y + mov esi, [esp + 8 + 8] // src_u + mov edx, [esp + 8 + 12] // src_v + mov edi, [esp + 8 + 16] // dst_frame + mov ecx, [esp + 8 + 20] // width + sub edx, esi + + convertloop: + movq xmm2, qword ptr [esi] // U + movq xmm3, qword ptr [esi + edx] // V + lea esi, [esi + 8] + punpcklbw xmm2, xmm3 // UV + movdqu xmm0, [eax] // Y + movdqa xmm1, xmm2 + lea eax, [eax + 16] + punpcklbw xmm1, xmm0 // UYVY + punpckhbw xmm2, xmm0 + movdqu [edi], xmm1 + movdqu [edi + 16], xmm2 + lea edi, [edi + 32] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} + +#ifdef HAS_ARGBPOLYNOMIALROW_SSE2 +__declspec(naked) void ARGBPolynomialRow_SSE2(const uint8_t* src_argb, + uint8_t* dst_argb, + const float* poly, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] /* src_argb */ + mov edx, [esp + 4 + 8] /* dst_argb */ + mov esi, [esp + 4 + 12] /* poly */ + mov ecx, [esp + 4 + 16] /* width */ + pxor xmm3, xmm3 // 0 constant for zero extending bytes to ints. + + // 2 pixel loop. + convertloop: + // pmovzxbd xmm0, dword ptr [eax] // BGRA pixel + // pmovzxbd xmm4, dword ptr [eax + 4] // BGRA pixel + movq xmm0, qword ptr [eax] // BGRABGRA + lea eax, [eax + 8] + punpcklbw xmm0, xmm3 + movdqa xmm4, xmm0 + punpcklwd xmm0, xmm3 // pixel 0 + punpckhwd xmm4, xmm3 // pixel 1 + cvtdq2ps xmm0, xmm0 // 4 floats + cvtdq2ps xmm4, xmm4 + movdqa xmm1, xmm0 // X + movdqa xmm5, xmm4 + mulps xmm0, [esi + 16] // C1 * X + mulps xmm4, [esi + 16] + addps xmm0, [esi] // result = C0 + C1 * X + addps xmm4, [esi] + movdqa xmm2, xmm1 + movdqa xmm6, xmm5 + mulps xmm2, xmm1 // X * X + mulps xmm6, xmm5 + mulps xmm1, xmm2 // X * X * X + mulps xmm5, xmm6 + mulps xmm2, [esi + 32] // C2 * X * X + mulps xmm6, [esi + 32] + mulps xmm1, [esi + 48] // C3 * X * X * X + mulps xmm5, [esi + 48] + addps xmm0, xmm2 // result += C2 * X * X + addps xmm4, xmm6 + addps xmm0, xmm1 // result += C3 * X * X * X + addps xmm4, xmm5 + cvttps2dq xmm0, xmm0 + cvttps2dq xmm4, xmm4 + packuswb xmm0, xmm4 + packuswb xmm0, xmm0 + movq qword ptr [edx], xmm0 + lea edx, [edx + 8] + sub ecx, 2 + jg convertloop + pop esi + ret + } +} +#endif // HAS_ARGBPOLYNOMIALROW_SSE2 + +#ifdef HAS_ARGBPOLYNOMIALROW_AVX2 +__declspec(naked) void ARGBPolynomialRow_AVX2(const uint8_t* src_argb, + uint8_t* dst_argb, + const float* poly, + int width) { + __asm { + mov eax, [esp + 4] /* src_argb */ + mov edx, [esp + 8] /* dst_argb */ + mov ecx, [esp + 12] /* poly */ + vbroadcastf128 ymm4, [ecx] // C0 + vbroadcastf128 ymm5, [ecx + 16] // C1 + vbroadcastf128 ymm6, [ecx + 32] // C2 + vbroadcastf128 ymm7, [ecx + 48] // C3 + mov ecx, [esp + 16] /* width */ + + // 2 pixel loop. + convertloop: + vpmovzxbd ymm0, qword ptr [eax] // 2 BGRA pixels + lea eax, [eax + 8] + vcvtdq2ps ymm0, ymm0 // X 8 floats + vmulps ymm2, ymm0, ymm0 // X * X + vmulps ymm3, ymm0, ymm7 // C3 * X + vfmadd132ps ymm0, ymm4, ymm5 // result = C0 + C1 * X + vfmadd231ps ymm0, ymm2, ymm6 // result += C2 * X * X + vfmadd231ps ymm0, ymm2, ymm3 // result += C3 * X * X * X + vcvttps2dq ymm0, ymm0 + vpackusdw ymm0, ymm0, ymm0 // b0g0r0a0_00000000_b0g0r0a0_00000000 + vpermq ymm0, ymm0, 0xd8 // b0g0r0a0_b0g0r0a0_00000000_00000000 + vpackuswb xmm0, xmm0, xmm0 // bgrabgra_00000000_00000000_00000000 + vmovq qword ptr [edx], xmm0 + lea edx, [edx + 8] + sub ecx, 2 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_ARGBPOLYNOMIALROW_AVX2 + +#ifdef HAS_HALFFLOATROW_SSE2 +static float kExpBias = 1.9259299444e-34f; +__declspec(naked) void HalfFloatRow_SSE2(const uint16_t* src, + uint16_t* dst, + float scale, + int width) { + __asm { + mov eax, [esp + 4] /* src */ + mov edx, [esp + 8] /* dst */ + movd xmm4, dword ptr [esp + 12] /* scale */ + mov ecx, [esp + 16] /* width */ + mulss xmm4, kExpBias + pshufd xmm4, xmm4, 0 + pxor xmm5, xmm5 + sub edx, eax + + // 8 pixel loop. + convertloop: + movdqu xmm2, xmmword ptr [eax] // 8 shorts + add eax, 16 + movdqa xmm3, xmm2 + punpcklwd xmm2, xmm5 + cvtdq2ps xmm2, xmm2 // convert 8 ints to floats + punpckhwd xmm3, xmm5 + cvtdq2ps xmm3, xmm3 + mulps xmm2, xmm4 + mulps xmm3, xmm4 + psrld xmm2, 13 + psrld xmm3, 13 + packssdw xmm2, xmm3 + movdqu [eax + edx - 16], xmm2 + sub ecx, 8 + jg convertloop + ret + } +} +#endif // HAS_HALFFLOATROW_SSE2 + +#ifdef HAS_HALFFLOATROW_AVX2 +__declspec(naked) void HalfFloatRow_AVX2(const uint16_t* src, + uint16_t* dst, + float scale, + int width) { + __asm { + mov eax, [esp + 4] /* src */ + mov edx, [esp + 8] /* dst */ + movd xmm4, dword ptr [esp + 12] /* scale */ + mov ecx, [esp + 16] /* width */ + + vmulss xmm4, xmm4, kExpBias + vbroadcastss ymm4, xmm4 + vpxor ymm5, ymm5, ymm5 + sub edx, eax + + // 16 pixel loop. + convertloop: + vmovdqu ymm2, [eax] // 16 shorts + add eax, 32 + vpunpckhwd ymm3, ymm2, ymm5 // convert 16 shorts to 16 ints + vpunpcklwd ymm2, ymm2, ymm5 + vcvtdq2ps ymm3, ymm3 // convert 16 ints to floats + vcvtdq2ps ymm2, ymm2 + vmulps ymm3, ymm3, ymm4 // scale to adjust exponent for 5 bit range. + vmulps ymm2, ymm2, ymm4 + vpsrld ymm3, ymm3, 13 // float convert to 8 half floats truncate + vpsrld ymm2, ymm2, 13 + vpackssdw ymm2, ymm2, ymm3 + vmovdqu [eax + edx - 32], ymm2 + sub ecx, 16 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_HALFFLOATROW_AVX2 + +#ifdef HAS_HALFFLOATROW_F16C +__declspec(naked) void HalfFloatRow_F16C(const uint16_t* src, + uint16_t* dst, + float scale, + int width) { + __asm { + mov eax, [esp + 4] /* src */ + mov edx, [esp + 8] /* dst */ + vbroadcastss ymm4, [esp + 12] /* scale */ + mov ecx, [esp + 16] /* width */ + sub edx, eax + + // 16 pixel loop. + convertloop: + vpmovzxwd ymm2, xmmword ptr [eax] // 8 shorts -> 8 ints + vpmovzxwd ymm3, xmmword ptr [eax + 16] // 8 more shorts + add eax, 32 + vcvtdq2ps ymm2, ymm2 // convert 8 ints to floats + vcvtdq2ps ymm3, ymm3 + vmulps ymm2, ymm2, ymm4 // scale to normalized range 0 to 1 + vmulps ymm3, ymm3, ymm4 + vcvtps2ph xmm2, ymm2, 3 // float convert to 8 half floats truncate + vcvtps2ph xmm3, ymm3, 3 + vmovdqu [eax + edx + 32], xmm2 + vmovdqu [eax + edx + 32 + 16], xmm3 + sub ecx, 16 + jg convertloop + vzeroupper + ret + } +} +#endif // HAS_HALFFLOATROW_F16C + +#ifdef HAS_ARGBCOLORTABLEROW_X86 +// Tranform ARGB pixels with color table. +__declspec(naked) void ARGBColorTableRow_X86(uint8_t* dst_argb, + const uint8_t* table_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] /* dst_argb */ + mov esi, [esp + 4 + 8] /* table_argb */ + mov ecx, [esp + 4 + 12] /* width */ + + // 1 pixel loop. + convertloop: + movzx edx, byte ptr [eax] + lea eax, [eax + 4] + movzx edx, byte ptr [esi + edx * 4] + mov byte ptr [eax - 4], dl + movzx edx, byte ptr [eax - 4 + 1] + movzx edx, byte ptr [esi + edx * 4 + 1] + mov byte ptr [eax - 4 + 1], dl + movzx edx, byte ptr [eax - 4 + 2] + movzx edx, byte ptr [esi + edx * 4 + 2] + mov byte ptr [eax - 4 + 2], dl + movzx edx, byte ptr [eax - 4 + 3] + movzx edx, byte ptr [esi + edx * 4 + 3] + mov byte ptr [eax - 4 + 3], dl + dec ecx + jg convertloop + pop esi + ret + } +} +#endif // HAS_ARGBCOLORTABLEROW_X86 + +#ifdef HAS_RGBCOLORTABLEROW_X86 +// Tranform RGB pixels with color table. +__declspec(naked) void RGBColorTableRow_X86(uint8_t* dst_argb, + const uint8_t* table_argb, + int width) { + __asm { + push esi + mov eax, [esp + 4 + 4] /* dst_argb */ + mov esi, [esp + 4 + 8] /* table_argb */ + mov ecx, [esp + 4 + 12] /* width */ + + // 1 pixel loop. + convertloop: + movzx edx, byte ptr [eax] + lea eax, [eax + 4] + movzx edx, byte ptr [esi + edx * 4] + mov byte ptr [eax - 4], dl + movzx edx, byte ptr [eax - 4 + 1] + movzx edx, byte ptr [esi + edx * 4 + 1] + mov byte ptr [eax - 4 + 1], dl + movzx edx, byte ptr [eax - 4 + 2] + movzx edx, byte ptr [esi + edx * 4 + 2] + mov byte ptr [eax - 4 + 2], dl + dec ecx + jg convertloop + + pop esi + ret + } +} +#endif // HAS_RGBCOLORTABLEROW_X86 + +#ifdef HAS_ARGBLUMACOLORTABLEROW_SSSE3 +// Tranform RGB pixels with luma table. +__declspec(naked) void ARGBLumaColorTableRow_SSSE3(const uint8_t* src_argb, + uint8_t* dst_argb, + int width, + const uint8_t* luma, + uint32_t lumacoeff) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] /* src_argb */ + mov edi, [esp + 8 + 8] /* dst_argb */ + mov ecx, [esp + 8 + 12] /* width */ + movd xmm2, dword ptr [esp + 8 + 16] // luma table + movd xmm3, dword ptr [esp + 8 + 20] // lumacoeff + pshufd xmm2, xmm2, 0 + pshufd xmm3, xmm3, 0 + pcmpeqb xmm4, xmm4 // generate mask 0xff00ff00 + psllw xmm4, 8 + pxor xmm5, xmm5 + + // 4 pixel loop. + convertloop: + movdqu xmm0, xmmword ptr [eax] // generate luma ptr + pmaddubsw xmm0, xmm3 + phaddw xmm0, xmm0 + pand xmm0, xmm4 // mask out low bits + punpcklwd xmm0, xmm5 + paddd xmm0, xmm2 // add table base + movd esi, xmm0 + pshufd xmm0, xmm0, 0x39 // 00111001 to rotate right 32 + + movzx edx, byte ptr [eax] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi], dl + movzx edx, byte ptr [eax + 1] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 1], dl + movzx edx, byte ptr [eax + 2] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 2], dl + movzx edx, byte ptr [eax + 3] // copy alpha. + mov byte ptr [edi + 3], dl + + movd esi, xmm0 + pshufd xmm0, xmm0, 0x39 // 00111001 to rotate right 32 + + movzx edx, byte ptr [eax + 4] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 4], dl + movzx edx, byte ptr [eax + 5] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 5], dl + movzx edx, byte ptr [eax + 6] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 6], dl + movzx edx, byte ptr [eax + 7] // copy alpha. + mov byte ptr [edi + 7], dl + + movd esi, xmm0 + pshufd xmm0, xmm0, 0x39 // 00111001 to rotate right 32 + + movzx edx, byte ptr [eax + 8] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 8], dl + movzx edx, byte ptr [eax + 9] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 9], dl + movzx edx, byte ptr [eax + 10] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 10], dl + movzx edx, byte ptr [eax + 11] // copy alpha. + mov byte ptr [edi + 11], dl + + movd esi, xmm0 + + movzx edx, byte ptr [eax + 12] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 12], dl + movzx edx, byte ptr [eax + 13] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 13], dl + movzx edx, byte ptr [eax + 14] + movzx edx, byte ptr [esi + edx] + mov byte ptr [edi + 14], dl + movzx edx, byte ptr [eax + 15] // copy alpha. + mov byte ptr [edi + 15], dl + + lea eax, [eax + 16] + lea edi, [edi + 16] + sub ecx, 4 + jg convertloop + + pop edi + pop esi + ret + } +} +#endif // HAS_ARGBLUMACOLORTABLEROW_SSSE3 + +#endif // defined(_M_X64) + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif + +#endif // !defined(LIBYUV_DISABLE_X86) && (defined(_M_IX86) || defined(_M_X64)) |