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Unified Diff: source/libvpx/third_party/libyuv/source/row_win.cc

Issue 341293003: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 6 years, 6 months ago
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Index: source/libvpx/third_party/libyuv/source/row_win.cc
===================================================================
--- source/libvpx/third_party/libyuv/source/row_win.cc (revision 0)
+++ source/libvpx/third_party/libyuv/source/row_win.cc (revision 0)
@@ -0,0 +1,7284 @@
+/*
+ * 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 "third_party/libyuv/include/libyuv/row.h"
+
+#ifdef __cplusplus
+namespace libyuv {
+extern "C" {
+#endif
+
+// This module is for Visual C x86.
+#if !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
+
+#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
+};
+
+// vpermd for vphaddw + vpackuswb vpermd.
+static const lvec32 kPermdARGBToY_AVX = {
+ 0, 4, 1, 5, 2, 6, 3, 7
+};
+
+// 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
+};
+
+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 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
+};
+
+// Shuffle table for converting ARGB to RAW.
+static const uvec8 kShuffleMaskARGBToRAW_0 = {
+ 2u, 1u, 0u, 6u, 5u, 4u, 10u, 9u, 128u, 128u, 128u, 128u, 8u, 14u, 13u, 12u
+};
+
+// Duplicates gray value 3 times and fills in alpha opaque.
+__declspec(naked) __declspec(align(16))
+void I400ToARGBRow_SSE2(const uint8* src_y, uint8* dst_argb, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_y
+ mov edx, [esp + 8] // dst_argb
+ mov ecx, [esp + 12] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0xff000000
+ pslld xmm5, 24
+
+ align 4
+ 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
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void I400ToARGBRow_Unaligned_SSE2(const uint8* src_y, uint8* dst_argb,
+ int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_y
+ mov edx, [esp + 8] // dst_argb
+ mov ecx, [esp + 12] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0xff000000
+ pslld xmm5, 24
+
+ align 4
+ 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
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void RGB24ToARGBRow_SSSE3(const uint8* src_rgb24, uint8* dst_argb, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_rgb24
+ mov edx, [esp + 8] // dst_argb
+ mov ecx, [esp + 12] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0xff000000
+ pslld xmm5, 24
+ movdqa xmm4, kShuffleMaskRGB24ToARGB
+
+ align 4
+ 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
+ movdqa [edx + 32], xmm2
+ por xmm0, xmm5
+ pshufb xmm1, xmm4
+ movdqa [edx], xmm0
+ por xmm1, xmm5
+ palignr xmm3, xmm3, 4 // xmm3 = { xmm3[4:15]}
+ pshufb xmm3, xmm4
+ movdqa [edx + 16], xmm1
+ por xmm3, xmm5
+ sub ecx, 16
+ movdqa [edx + 48], xmm3
+ lea edx, [edx + 64]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void RAWToARGBRow_SSSE3(const uint8* src_raw, uint8* dst_argb,
+ int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_raw
+ mov edx, [esp + 8] // dst_argb
+ mov ecx, [esp + 12] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0xff000000
+ pslld xmm5, 24
+ movdqa xmm4, kShuffleMaskRAWToARGB
+
+ align 4
+ 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
+ movdqa [edx + 32], xmm2
+ por xmm0, xmm5
+ pshufb xmm1, xmm4
+ movdqa [edx], xmm0
+ por xmm1, xmm5
+ palignr xmm3, xmm3, 4 // xmm3 = { xmm3[4:15]}
+ pshufb xmm3, xmm4
+ movdqa [edx + 16], xmm1
+ por xmm3, xmm5
+ sub ecx, 16
+ movdqa [edx + 48], xmm3
+ lea edx, [edx + 64]
+ 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) __declspec(align(16))
+void RGB565ToARGBRow_SSE2(const uint8* src_rgb565, uint8* dst_argb,
+ int pix) {
+ __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] // pix
+ sub edx, eax
+ sub edx, eax
+
+ align 4
+ 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
+ movdqa [eax * 2 + edx], xmm1 // store 4 pixels of ARGB
+ movdqa [eax * 2 + edx + 16], xmm2 // store next 4 pixels of ARGB
+ lea eax, [eax + 16]
+ sub ecx, 8
+ jg convertloop
+ ret
+ }
+}
+
+// 24 instructions
+__declspec(naked) __declspec(align(16))
+void ARGB1555ToARGBRow_SSE2(const uint8* src_argb1555, uint8* dst_argb,
+ int pix) {
+ __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] // pix
+ sub edx, eax
+ sub edx, eax
+
+ align 4
+ 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
+ movdqa [eax * 2 + edx], xmm1 // store 4 pixels of ARGB
+ movdqa [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) __declspec(align(16))
+void ARGB4444ToARGBRow_SSE2(const uint8* src_argb4444, uint8* dst_argb,
+ int pix) {
+ __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] // pix
+ sub edx, eax
+ sub edx, eax
+
+ align 4
+ 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
+ movdqa [eax * 2 + edx], xmm0 // store 4 pixels of ARGB
+ movdqa [eax * 2 + edx + 16], xmm1 // store next 4 pixels of ARGB
+ lea eax, [eax + 16]
+ sub ecx, 8
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBToRGB24Row_SSSE3(const uint8* src_argb, uint8* dst_rgb, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_argb
+ mov edx, [esp + 8] // dst_rgb
+ mov ecx, [esp + 12] // pix
+ movdqa xmm6, kShuffleMaskARGBToRGB24
+
+ align 4
+ 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) __declspec(align(16))
+void ARGBToRAWRow_SSSE3(const uint8* src_argb, uint8* dst_rgb, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_argb
+ mov edx, [esp + 8] // dst_rgb
+ mov ecx, [esp + 12] // pix
+ movdqa xmm6, kShuffleMaskARGBToRAW
+
+ align 4
+ 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) __declspec(align(16))
+void ARGBToRGB565Row_SSE2(const uint8* src_argb, uint8* dst_rgb, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_argb
+ mov edx, [esp + 8] // dst_rgb
+ mov ecx, [esp + 12] // pix
+ 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
+
+ align 4
+ convertloop:
+ movdqa 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
+ }
+}
+
+// TODO(fbarchard): Improve sign extension/packing.
+__declspec(naked) __declspec(align(16))
+void ARGBToARGB1555Row_SSE2(const uint8* src_argb, uint8* dst_rgb, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_argb
+ mov edx, [esp + 8] // dst_rgb
+ mov ecx, [esp + 12] // pix
+ 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
+
+ align 4
+ convertloop:
+ movdqa 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) __declspec(align(16))
+void ARGBToARGB4444Row_SSE2(const uint8* src_argb, uint8* dst_rgb, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_argb
+ mov edx, [esp + 8] // dst_rgb
+ mov ecx, [esp + 12] // pix
+ pcmpeqb xmm4, xmm4 // generate mask 0xf000f000
+ psllw xmm4, 12
+ movdqa xmm3, xmm4 // generate mask 0x00f000f0
+ psrlw xmm3, 8
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // fetch 4 pixels of argb
+ movdqa xmm1, xmm0
+ pand xmm0, xmm3 // low nibble
+ pand xmm1, xmm4 // high nibble
+ psrl xmm0, 4
+ psrl 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
+ }
+}
+
+// Convert 16 ARGB pixels (64 bytes) to 16 Y values.
+__declspec(naked) __declspec(align(16))
+void ARGBToYRow_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm5, kAddY16
+ movdqa xmm4, kARGBToY
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa 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
+ sub ecx, 16
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+// Convert 16 ARGB pixels (64 bytes) to 16 Y values.
+__declspec(naked) __declspec(align(16))
+void ARGBToYJRow_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm4, kARGBToYJ
+ movdqa xmm5, kAddYJ64
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa 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
+ sub ecx, 16
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+#ifdef HAS_ARGBTOYROW_AVX2
+// Convert 32 ARGB pixels (128 bytes) to 32 Y values.
+__declspec(naked) __declspec(align(32))
+void ARGBToYRow_AVX2(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ vbroadcastf128 ymm4, kARGBToY
+ vbroadcastf128 ymm5, kAddY16
+ vmovdqa ymm6, kPermdARGBToY_AVX
+
+ align 4
+ 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
+ sub ecx, 32
+ vmovdqu [edx], ymm0
+ lea edx, [edx + 32]
+ jg convertloop
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_ARGBTOYROW_AVX2
+
+#ifdef HAS_ARGBTOYROW_AVX2
+// Convert 32 ARGB pixels (128 bytes) to 32 Y values.
+__declspec(naked) __declspec(align(32))
+void ARGBToYJRow_AVX2(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ vbroadcastf128 ymm4, kARGBToYJ
+ vbroadcastf128 ymm5, kAddYJ64
+ vmovdqa ymm6, kPermdARGBToY_AVX
+
+ align 4
+ 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.
+ sub ecx, 32
+ vmovdqu [edx], ymm0
+ lea edx, [edx + 32]
+ jg convertloop
+
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_ARGBTOYJROW_AVX2
+
+__declspec(naked) __declspec(align(16))
+void ARGBToYRow_Unaligned_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm5, kAddY16
+ movdqa xmm4, kARGBToY
+
+ align 4
+ 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
+ sub ecx, 16
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBToYJRow_Unaligned_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm4, kARGBToYJ
+ movdqa xmm5, kAddYJ64
+
+ align 4
+ 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
+ paddw xmm2, xmm5
+ psrlw xmm0, 7
+ psrlw xmm2, 7
+ packuswb xmm0, xmm2
+ sub ecx, 16
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void BGRAToYRow_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm5, kAddY16
+ movdqa xmm4, kBGRAToY
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa 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
+ sub ecx, 16
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void BGRAToYRow_Unaligned_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm5, kAddY16
+ movdqa xmm4, kBGRAToY
+
+ align 4
+ 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
+ sub ecx, 16
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ABGRToYRow_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm5, kAddY16
+ movdqa xmm4, kABGRToY
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa 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
+ sub ecx, 16
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ABGRToYRow_Unaligned_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm5, kAddY16
+ movdqa xmm4, kABGRToY
+
+ align 4
+ 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
+ sub ecx, 16
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void RGBAToYRow_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm5, kAddY16
+ movdqa xmm4, kRGBAToY
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa 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
+ sub ecx, 16
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void RGBAToYRow_Unaligned_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_y */
+ mov ecx, [esp + 12] /* pix */
+ movdqa xmm5, kAddY16
+ movdqa xmm4, kRGBAToY
+
+ align 4
+ 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
+ sub ecx, 16
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBToUVRow_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kARGBToU
+ movdqa xmm6, kARGBToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa xmm3, [eax + 48]
+ pavgb xmm0, [eax + esi]
+ pavgb xmm1, [eax + esi + 16]
+ pavgb xmm2, [eax + esi + 32]
+ pavgb xmm3, [eax + esi + 48]
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBToUVJRow_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kARGBToUJ
+ movdqa xmm6, kARGBToVJ
+ movdqa xmm5, kAddUVJ128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa xmm3, [eax + 48]
+ pavgb xmm0, [eax + esi]
+ pavgb xmm1, [eax + esi + 16]
+ pavgb xmm2, [eax + esi + 32]
+ pavgb xmm3, [eax + esi + 48]
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+#ifdef HAS_ARGBTOUVROW_AVX2
+__declspec(naked) __declspec(align(32))
+void ARGBToUVRow_AVX2(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ vbroadcastf128 ymm5, kAddUV128
+ vbroadcastf128 ymm6, kARGBToV
+ vbroadcastf128 ymm7, kARGBToU
+ sub edi, edx // stride from u to v
+
+ align 4
+ 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, kShufARGBToUV_AVX // For vshufps + vphaddw
+ vpaddb ymm0, ymm0, ymm5 // -> unsigned
+
+ // step 3 - store 16 U and 16 V values
+ sub ecx, 32
+ vextractf128 [edx], ymm0, 0 // U
+ vextractf128 [edx + edi], ymm0, 1 // V
+ lea edx, [edx + 16]
+ jg convertloop
+
+ pop edi
+ pop esi
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_ARGBTOUVROW_AVX2
+
+__declspec(naked) __declspec(align(16))
+void ARGBToUVRow_Unaligned_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kARGBToU
+ movdqa xmm6, kARGBToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqu xmm0, [eax]
+ movdqu xmm1, [eax + 16]
+ movdqu xmm2, [eax + 32]
+ movdqu xmm3, [eax + 48]
+ movdqu xmm4, [eax + esi]
+ pavgb xmm0, xmm4
+ movdqu xmm4, [eax + esi + 16]
+ pavgb xmm1, xmm4
+ movdqu xmm4, [eax + esi + 32]
+ pavgb xmm2, xmm4
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBToUVJRow_Unaligned_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kARGBToUJ
+ movdqa xmm6, kARGBToVJ
+ movdqa xmm5, kAddUVJ128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqu xmm0, [eax]
+ movdqu xmm1, [eax + 16]
+ movdqu xmm2, [eax + 32]
+ movdqu xmm3, [eax + 48]
+ movdqu xmm4, [eax + esi]
+ pavgb xmm0, xmm4
+ movdqu xmm4, [eax + esi + 16]
+ pavgb xmm1, xmm4
+ movdqu xmm4, [eax + esi + 32]
+ pavgb xmm2, xmm4
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBToUV444Row_SSSE3(const uint8* src_argb0,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kARGBToU
+ movdqa xmm6, kARGBToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* convert to U and V */
+ movdqa xmm0, [eax] // U
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa 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
+ sub ecx, 16
+ movdqa [edx], xmm0
+
+ movdqa xmm0, [eax] // V
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa 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]
+ movdqa [edx + edi], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+
+ pop edi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBToUV444Row_Unaligned_SSSE3(const uint8* src_argb0,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kARGBToU
+ movdqa xmm6, kARGBToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ 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
+ sub ecx, 16
+ 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]
+ jg convertloop
+
+ pop edi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBToUV422Row_SSSE3(const uint8* src_argb0,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kARGBToU
+ movdqa xmm6, kARGBToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa xmm3, [eax + 48]
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBToUV422Row_Unaligned_SSSE3(const uint8* src_argb0,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kARGBToU
+ movdqa xmm6, kARGBToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqu xmm0, [eax]
+ movdqu xmm1, [eax + 16]
+ movdqu xmm2, [eax + 32]
+ movdqu xmm3, [eax + 48]
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void BGRAToUVRow_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kBGRAToU
+ movdqa xmm6, kBGRAToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa xmm3, [eax + 48]
+ pavgb xmm0, [eax + esi]
+ pavgb xmm1, [eax + esi + 16]
+ pavgb xmm2, [eax + esi + 32]
+ pavgb xmm3, [eax + esi + 48]
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void BGRAToUVRow_Unaligned_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kBGRAToU
+ movdqa xmm6, kBGRAToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqu xmm0, [eax]
+ movdqu xmm1, [eax + 16]
+ movdqu xmm2, [eax + 32]
+ movdqu xmm3, [eax + 48]
+ movdqu xmm4, [eax + esi]
+ pavgb xmm0, xmm4
+ movdqu xmm4, [eax + esi + 16]
+ pavgb xmm1, xmm4
+ movdqu xmm4, [eax + esi + 32]
+ pavgb xmm2, xmm4
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ABGRToUVRow_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kABGRToU
+ movdqa xmm6, kABGRToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa xmm3, [eax + 48]
+ pavgb xmm0, [eax + esi]
+ pavgb xmm1, [eax + esi + 16]
+ pavgb xmm2, [eax + esi + 32]
+ pavgb xmm3, [eax + esi + 48]
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ABGRToUVRow_Unaligned_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kABGRToU
+ movdqa xmm6, kABGRToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqu xmm0, [eax]
+ movdqu xmm1, [eax + 16]
+ movdqu xmm2, [eax + 32]
+ movdqu xmm3, [eax + 48]
+ movdqu xmm4, [eax + esi]
+ pavgb xmm0, xmm4
+ movdqu xmm4, [eax + esi + 16]
+ pavgb xmm1, xmm4
+ movdqu xmm4, [eax + esi + 32]
+ pavgb xmm2, xmm4
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void RGBAToUVRow_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kRGBAToU
+ movdqa xmm6, kRGBAToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa xmm3, [eax + 48]
+ pavgb xmm0, [eax + esi]
+ pavgb xmm1, [eax + esi + 16]
+ pavgb xmm2, [eax + esi + 32]
+ pavgb xmm3, [eax + esi + 48]
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void RGBAToUVRow_Unaligned_SSSE3(const uint8* src_argb0, int src_stride_argb,
+ uint8* dst_u, uint8* 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] // pix
+ movdqa xmm7, kRGBAToU
+ movdqa xmm6, kRGBAToV
+ movdqa xmm5, kAddUV128
+ sub edi, edx // stride from u to v
+
+ align 4
+ convertloop:
+ /* step 1 - subsample 16x2 argb pixels to 8x1 */
+ movdqu xmm0, [eax]
+ movdqu xmm1, [eax + 16]
+ movdqu xmm2, [eax + 32]
+ movdqu xmm3, [eax + 48]
+ movdqu xmm4, [eax + esi]
+ pavgb xmm0, xmm4
+ movdqu xmm4, [eax + esi + 16]
+ pavgb xmm1, xmm4
+ movdqu xmm4, [eax + esi + 32]
+ pavgb xmm2, xmm4
+ 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
+ sub ecx, 16
+ movlps qword ptr [edx], xmm0 // U
+ movhps qword ptr [edx + edi], xmm0 // V
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+#endif // HAS_ARGBTOYROW_SSSE3
+
+#define YG 74 /* (int8)(1.164 * 64 + 0.5) */
+
+#define UB 127 /* min(63,(int8)(2.018 * 64)) */
+#define UG -25 /* (int8)(-0.391 * 64 - 0.5) */
+#define UR 0
+
+#define VB 0
+#define VG -52 /* (int8)(-0.813 * 64 - 0.5) */
+#define VR 102 /* (int8)(1.596 * 64 + 0.5) */
+
+// Bias
+#define BB UB * 128 + VB * 128
+#define BG UG * 128 + VG * 128
+#define BR UR * 128 + VR * 128
+
+#ifdef HAS_I422TOARGBROW_AVX2
+
+static const lvec8 kUVToB_AVX = {
+ UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB,
+ UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB
+};
+static const lvec8 kUVToR_AVX = {
+ UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR,
+ UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR
+};
+static const lvec8 kUVToG_AVX = {
+ UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG,
+ UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG
+};
+static const lvec16 kYToRgb_AVX = {
+ YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG, YG
+};
+static const lvec16 kYSub16_AVX = {
+ 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
+};
+static const lvec16 kUVBiasB_AVX = {
+ BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB, BB
+};
+static const lvec16 kUVBiasG_AVX = {
+ BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG, BG
+};
+static const lvec16 kUVBiasR_AVX = {
+ BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR, BR
+};
+
+// 16 pixels
+// 8 UV values upsampled to 16 UV, mixed with 16 Y producing 16 ARGB (64 bytes).
+__declspec(naked) __declspec(align(16))
+void I422ToARGBRow_AVX2(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // argb
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha
+ vpxor ymm4, ymm4, ymm4
+
+ align 4
+ convertloop:
+ vmovq xmm0, qword ptr [esi] // U
+ vmovq xmm1, qword ptr [esi + edi] // V
+ lea esi, [esi + 8]
+ vpunpcklbw ymm0, ymm0, ymm1 // UV
+ vpermq ymm0, ymm0, 0xd8
+ vpunpcklwd ymm0, ymm0, ymm0 // UVUV
+ vpmaddubsw ymm2, ymm0, kUVToB_AVX // scale B UV
+ vpmaddubsw ymm1, ymm0, kUVToG_AVX // scale G UV
+ vpmaddubsw ymm0, ymm0, kUVToR_AVX // scale R UV
+ vpsubw ymm2, ymm2, kUVBiasB_AVX // unbias back to signed
+ vpsubw ymm1, ymm1, kUVBiasG_AVX
+ vpsubw ymm0, ymm0, kUVBiasR_AVX
+
+ // Step 2: Find Y contribution to 16 R,G,B values
+ vmovdqu xmm3, [eax] // NOLINT
+ lea eax, [eax + 16]
+ vpermq ymm3, ymm3, 0xd8
+ vpunpcklbw ymm3, ymm3, ymm4
+ vpsubsw ymm3, ymm3, kYSub16_AVX
+ vpmullw ymm3, ymm3, kYToRgb_AVX
+ vpaddsw ymm2, ymm2, ymm3 // B += Y
+ vpaddsw ymm1, ymm1, ymm3 // G += Y
+ vpaddsw ymm0, ymm0, ymm3 // R += Y
+ vpsraw ymm2, ymm2, 6
+ vpsraw ymm1, ymm1, 6
+ vpsraw ymm0, ymm0, 6
+ vpackuswb ymm2, ymm2, ymm2 // B
+ vpackuswb ymm1, ymm1, ymm1 // G
+ vpackuswb ymm0, ymm0, ymm0 // R
+
+ // Step 3: Weave into ARGB
+ vpunpcklbw ymm2, ymm2, ymm1 // BG
+ vpermq ymm2, ymm2, 0xd8
+ vpunpcklbw ymm0, ymm0, ymm5 // RA
+ vpermq ymm0, ymm0, 0xd8
+ vpunpcklwd ymm1, ymm2, ymm0 // BGRA first 8 pixels
+ vpunpckhwd ymm2, ymm2, ymm0 // BGRA next 8 pixels
+ vmovdqu [edx], ymm1
+ vmovdqu [edx + 32], ymm2
+ lea edx, [edx + 64]
+ sub ecx, 16
+ jg convertloop
+ vzeroupper
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+#endif // HAS_I422TOARGBROW_AVX2
+
+#ifdef HAS_I422TOARGBROW_SSSE3
+
+static const vec8 kUVToB = {
+ UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB
+};
+
+static const vec8 kUVToR = {
+ UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR
+};
+
+static const vec8 kUVToG = {
+ UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG
+};
+
+static const vec8 kVUToB = {
+ VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB, VB, UB,
+};
+
+static const vec8 kVUToR = {
+ VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR, VR, UR,
+};
+
+static const vec8 kVUToG = {
+ VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG, VG, UG,
+};
+
+static const vec16 kYToRgb = { YG, YG, YG, YG, YG, YG, YG, YG };
+static const vec16 kYSub16 = { 16, 16, 16, 16, 16, 16, 16, 16 };
+static const vec16 kUVBiasB = { BB, BB, BB, BB, BB, BB, BB, BB };
+static const vec16 kUVBiasG = { BG, BG, BG, BG, BG, BG, BG, BG };
+static const vec16 kUVBiasR = { BR, BR, BR, BR, BR, BR, BR, BR };
+
+// TODO(fbarchard): Read that does half size on Y and treats 420 as 444.
+
+// Read 8 UV from 444.
+#define READYUV444 __asm { \
+ __asm movq xmm0, qword ptr [esi] /* U */ /* NOLINT */ \
+ __asm movq xmm1, qword ptr [esi + edi] /* V */ /* NOLINT */ \
+ __asm lea esi, [esi + 8] \
+ __asm punpcklbw xmm0, xmm1 /* UV */ \
+ }
+
+// 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) */ \
+ }
+
+// Read 2 UV from 411, upsample to 8 UV.
+#define READYUV411 __asm { \
+ __asm movzx ebx, word ptr [esi] /* U */ /* NOLINT */ \
+ __asm movd xmm0, ebx \
+ __asm movzx ebx, word ptr [esi + edi] /* V */ /* NOLINT */ \
+ __asm movd xmm1, ebx \
+ __asm lea esi, [esi + 2] \
+ __asm punpcklbw xmm0, xmm1 /* UV */ \
+ __asm punpcklwd xmm0, xmm0 /* UVUV (upsample) */ \
+ __asm punpckldq xmm0, xmm0 /* UVUV (upsample) */ \
+ }
+
+// Read 4 UV from NV12, upsample to 8 UV.
+#define READNV12 __asm { \
+ __asm movq xmm0, qword ptr [esi] /* UV */ /* NOLINT */ \
+ __asm lea esi, [esi + 8] \
+ __asm punpcklwd xmm0, xmm0 /* UVUV (upsample) */ \
+ }
+
+// Convert 8 pixels: 8 UV and 8 Y.
+#define YUVTORGB __asm { \
+ /* Step 1: Find 4 UV contributions to 8 R,G,B values */ \
+ __asm movdqa xmm1, xmm0 \
+ __asm movdqa xmm2, xmm0 \
+ __asm pmaddubsw xmm0, kUVToB /* scale B UV */ \
+ __asm pmaddubsw xmm1, kUVToG /* scale G UV */ \
+ __asm pmaddubsw xmm2, kUVToR /* scale R UV */ \
+ __asm psubw xmm0, kUVBiasB /* unbias back to signed */ \
+ __asm psubw xmm1, kUVBiasG \
+ __asm psubw xmm2, kUVBiasR \
+ /* Step 2: Find Y contribution to 8 R,G,B values */ \
+ __asm movq xmm3, qword ptr [eax] /* NOLINT */ \
+ __asm lea eax, [eax + 8] \
+ __asm punpcklbw xmm3, xmm4 \
+ __asm psubsw xmm3, kYSub16 \
+ __asm pmullw xmm3, kYToRgb \
+ __asm paddsw xmm0, xmm3 /* B += Y */ \
+ __asm paddsw xmm1, xmm3 /* G += Y */ \
+ __asm paddsw xmm2, xmm3 /* 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 */ \
+ }
+
+// Convert 8 pixels: 8 VU and 8 Y.
+#define YVUTORGB __asm { \
+ /* Step 1: Find 4 UV contributions to 8 R,G,B values */ \
+ __asm movdqa xmm1, xmm0 \
+ __asm movdqa xmm2, xmm0 \
+ __asm pmaddubsw xmm0, kVUToB /* scale B UV */ \
+ __asm pmaddubsw xmm1, kVUToG /* scale G UV */ \
+ __asm pmaddubsw xmm2, kVUToR /* scale R UV */ \
+ __asm psubw xmm0, kUVBiasB /* unbias back to signed */ \
+ __asm psubw xmm1, kUVBiasG \
+ __asm psubw xmm2, kUVBiasR \
+ /* Step 2: Find Y contribution to 8 R,G,B values */ \
+ __asm movq xmm3, qword ptr [eax] /* NOLINT */ \
+ __asm lea eax, [eax + 8] \
+ __asm punpcklbw xmm3, xmm4 \
+ __asm psubsw xmm3, kYSub16 \
+ __asm pmullw xmm3, kYToRgb \
+ __asm paddsw xmm0, xmm3 /* B += Y */ \
+ __asm paddsw xmm1, xmm3 /* G += Y */ \
+ __asm paddsw xmm2, xmm3 /* 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 */ \
+ }
+
+// 8 pixels, dest aligned 16.
+// 8 UV values, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void I444ToARGBRow_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // argb
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV444
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, dest aligned 16.
+// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void I422ToRGB24Row_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_rgb24,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // rgb24
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pxor xmm4, xmm4
+ movdqa xmm5, kShuffleMaskARGBToRGB24_0
+ movdqa xmm6, kShuffleMaskARGBToRGB24
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into RRGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm2 // RR
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRR first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRR next 4 pixels
+ pshufb xmm0, xmm5 // Pack into first 8 and last 4 bytes.
+ pshufb xmm1, xmm6 // Pack into first 12 bytes.
+ palignr xmm1, xmm0, 12 // last 4 bytes of xmm0 + 12 from xmm1
+ movq qword ptr [edx], xmm0 // First 8 bytes
+ movdqu [edx + 8], xmm1 // Last 16 bytes. = 24 bytes, 8 RGB pixels.
+ lea edx, [edx + 24]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, dest aligned 16.
+// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void I422ToRAWRow_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_raw,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // raw
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pxor xmm4, xmm4
+ movdqa xmm5, kShuffleMaskARGBToRAW_0
+ movdqa xmm6, kShuffleMaskARGBToRAW
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into RRGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm2 // RR
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRR first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRR next 4 pixels
+ pshufb xmm0, xmm5 // Pack into first 8 and last 4 bytes.
+ pshufb xmm1, xmm6 // Pack into first 12 bytes.
+ palignr xmm1, xmm0, 12 // last 4 bytes of xmm0 + 12 from xmm1
+ movq qword ptr [edx], xmm0 // First 8 bytes
+ movdqu [edx + 8], xmm1 // Last 16 bytes. = 24 bytes, 8 RGB pixels.
+ lea edx, [edx + 24]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, dest unaligned.
+// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void I422ToRGB565Row_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb565_buf,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // rgb565
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pxor xmm4, xmm4
+ 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
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into RRGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm2 // RR
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRR first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRR next 4 pixels
+
+ // Step 3b: RRGB -> RGB565
+ movdqa xmm3, xmm0 // B first 4 pixels of argb
+ movdqa xmm2, xmm0 // G
+ pslld xmm0, 8 // R
+ psrld xmm3, 3 // B
+ psrld xmm2, 5 // G
+ psrad xmm0, 16 // R
+ pand xmm3, xmm5 // B
+ pand xmm2, xmm6 // G
+ pand xmm0, xmm7 // R
+ por xmm3, xmm2 // BG
+ por xmm0, xmm3 // BGR
+ movdqa xmm3, xmm1 // B next 4 pixels of argb
+ movdqa xmm2, xmm1 // G
+ pslld xmm1, 8 // R
+ psrld xmm3, 3 // B
+ psrld xmm2, 5 // G
+ psrad xmm1, 16 // R
+ pand xmm3, xmm5 // B
+ pand xmm2, xmm6 // G
+ pand xmm1, xmm7 // R
+ por xmm3, xmm2 // BG
+ por xmm1, xmm3 // BGR
+ packssdw xmm0, xmm1
+ sub ecx, 8
+ movdqu [edx], xmm0 // store 8 pixels of RGB565
+ lea edx, [edx + 16]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, dest aligned 16.
+// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void I422ToARGBRow_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // argb
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, dest aligned 16.
+// 2 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+// Similar to I420 but duplicate UV once more.
+__declspec(naked) __declspec(align(16))
+void I411ToARGBRow_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push ebx
+ push esi
+ push edi
+ 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 ecx, [esp + 12 + 20] // width
+ sub edi, esi
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV411 // modifies EBX
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ pop ebx
+ ret
+ }
+}
+
+// 8 pixels, dest aligned 16.
+// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void NV12ToARGBRow_SSSE3(const uint8* y_buf,
+ const uint8* uv_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ mov eax, [esp + 4 + 4] // Y
+ mov esi, [esp + 4 + 8] // UV
+ mov edx, [esp + 4 + 12] // argb
+ mov ecx, [esp + 4 + 16] // width
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READNV12
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, dest aligned 16.
+// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void NV21ToARGBRow_SSSE3(const uint8* y_buf,
+ const uint8* uv_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ mov eax, [esp + 4 + 4] // Y
+ mov esi, [esp + 4 + 8] // VU
+ mov edx, [esp + 4 + 12] // argb
+ mov ecx, [esp + 4 + 16] // width
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READNV12
+ YVUTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, unaligned.
+// 8 UV values, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void I444ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // argb
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV444
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqu [edx], xmm0
+ movdqu [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, unaligned.
+// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // argb
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqu [edx], xmm0
+ movdqu [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, unaligned.
+// 2 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+// Similar to I420 but duplicate UV once more.
+__declspec(naked) __declspec(align(16))
+void I411ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push ebx
+ push esi
+ push edi
+ 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 ecx, [esp + 12 + 20] // width
+ sub edi, esi
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV411 // modifies EBX
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqu [edx], xmm0
+ movdqu [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ pop ebx
+ ret
+ }
+}
+
+// 8 pixels, dest aligned 16.
+// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void NV12ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
+ const uint8* uv_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ mov eax, [esp + 4 + 4] // Y
+ mov esi, [esp + 4 + 8] // UV
+ mov edx, [esp + 4 + 12] // argb
+ mov ecx, [esp + 4 + 16] // width
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READNV12
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqu [edx], xmm0
+ movdqu [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop esi
+ ret
+ }
+}
+
+// 8 pixels, dest aligned 16.
+// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
+__declspec(naked) __declspec(align(16))
+void NV21ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
+ const uint8* uv_buf,
+ uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ mov eax, [esp + 4 + 4] // Y
+ mov esi, [esp + 4 + 8] // VU
+ mov edx, [esp + 4 + 12] // argb
+ mov ecx, [esp + 4 + 16] // width
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READNV12
+ YVUTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm0, xmm1 // BG
+ punpcklbw xmm2, xmm5 // RA
+ movdqa xmm1, xmm0
+ punpcklwd xmm0, xmm2 // BGRA first 4 pixels
+ punpckhwd xmm1, xmm2 // BGRA next 4 pixels
+ movdqu [edx], xmm0
+ movdqu [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void I422ToBGRARow_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_bgra,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // bgra
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into BGRA
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ punpcklbw xmm1, xmm0 // GB
+ punpcklbw xmm5, xmm2 // AR
+ movdqa xmm0, xmm5
+ punpcklwd xmm5, xmm1 // BGRA first 4 pixels
+ punpckhwd xmm0, xmm1 // BGRA next 4 pixels
+ movdqa [edx], xmm5
+ movdqa [edx + 16], xmm0
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void I422ToBGRARow_Unaligned_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_bgra,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // bgra
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into BGRA
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ punpcklbw xmm1, xmm0 // GB
+ punpcklbw xmm5, xmm2 // AR
+ movdqa xmm0, xmm5
+ punpcklwd xmm5, xmm1 // BGRA first 4 pixels
+ punpckhwd xmm0, xmm1 // BGRA next 4 pixels
+ movdqu [edx], xmm5
+ movdqu [edx + 16], xmm0
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void I422ToABGRRow_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_abgr,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // abgr
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm2, xmm1 // RG
+ punpcklbw xmm0, xmm5 // BA
+ movdqa xmm1, xmm2
+ punpcklwd xmm2, xmm0 // RGBA first 4 pixels
+ punpckhwd xmm1, xmm0 // RGBA next 4 pixels
+ movdqa [edx], xmm2
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void I422ToABGRRow_Unaligned_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_abgr,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // abgr
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into ARGB
+ punpcklbw xmm2, xmm1 // RG
+ punpcklbw xmm0, xmm5 // BA
+ movdqa xmm1, xmm2
+ punpcklwd xmm2, xmm0 // RGBA first 4 pixels
+ punpckhwd xmm1, xmm0 // RGBA next 4 pixels
+ movdqu [edx], xmm2
+ movdqu [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void I422ToRGBARow_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_rgba,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // rgba
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into RGBA
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ punpcklbw xmm1, xmm2 // GR
+ punpcklbw xmm5, xmm0 // AB
+ movdqa xmm0, xmm5
+ punpcklwd xmm5, xmm1 // RGBA first 4 pixels
+ punpckhwd xmm0, xmm1 // RGBA next 4 pixels
+ movdqa [edx], xmm5
+ movdqa [edx + 16], xmm0
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void I422ToRGBARow_Unaligned_SSSE3(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* dst_rgba,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // Y
+ mov esi, [esp + 8 + 8] // U
+ mov edi, [esp + 8 + 12] // V
+ mov edx, [esp + 8 + 16] // rgba
+ mov ecx, [esp + 8 + 20] // width
+ sub edi, esi
+ pxor xmm4, xmm4
+
+ align 4
+ convertloop:
+ READYUV422
+ YUVTORGB
+
+ // Step 3: Weave into RGBA
+ pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
+ punpcklbw xmm1, xmm2 // GR
+ punpcklbw xmm5, xmm0 // AB
+ movdqa xmm0, xmm5
+ punpcklwd xmm5, xmm1 // RGBA first 4 pixels
+ punpckhwd xmm0, xmm1 // RGBA next 4 pixels
+ movdqu [edx], xmm5
+ movdqu [edx + 16], xmm0
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+#endif // HAS_I422TOARGBROW_SSSE3
+
+#ifdef HAS_YTOARGBROW_SSE2
+__declspec(naked) __declspec(align(16))
+void YToARGBRow_SSE2(const uint8* y_buf,
+ uint8* rgb_buf,
+ int width) {
+ __asm {
+ pxor xmm5, xmm5
+ pcmpeqb xmm4, xmm4 // generate mask 0xff000000
+ pslld xmm4, 24
+ mov eax, 0x00100010
+ movd xmm3, eax
+ pshufd xmm3, xmm3, 0
+ mov eax, 0x004a004a // 74
+ movd xmm2, eax
+ pshufd xmm2, xmm2,0
+ mov eax, [esp + 4] // Y
+ mov edx, [esp + 8] // rgb
+ mov ecx, [esp + 12] // width
+
+ align 4
+ 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, xmm5 // 0.Y
+ psubusw xmm0, xmm3
+ pmullw xmm0, xmm2
+ 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
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ sub ecx, 8
+ jg convertloop
+
+ ret
+ }
+}
+#endif // HAS_YTOARGBROW_SSE2
+
+#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
+};
+
+__declspec(naked) __declspec(align(16))
+void MirrorRow_SSSE3(const uint8* src, uint8* dst, int width) {
+ __asm {
+ mov eax, [esp + 4] // src
+ mov edx, [esp + 8] // dst
+ mov ecx, [esp + 12] // width
+ movdqa xmm5, kShuffleMirror
+ lea eax, [eax - 16]
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax + ecx]
+ pshufb xmm0, xmm5
+ sub ecx, 16
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+#endif // HAS_MIRRORROW_SSSE3
+
+#ifdef HAS_MIRRORROW_AVX2
+// Shuffle table for reversing the bytes.
+static const ulvec8 kShuffleMirror_AVX2 = {
+ 15u, 14u, 13u, 12u, 11u, 10u, 9u, 8u, 7u, 6u, 5u, 4u, 3u, 2u, 1u, 0u,
+ 15u, 14u, 13u, 12u, 11u, 10u, 9u, 8u, 7u, 6u, 5u, 4u, 3u, 2u, 1u, 0u
+};
+
+__declspec(naked) __declspec(align(16))
+void MirrorRow_AVX2(const uint8* src, uint8* dst, int width) {
+ __asm {
+ mov eax, [esp + 4] // src
+ mov edx, [esp + 8] // dst
+ mov ecx, [esp + 12] // width
+ vmovdqa ymm5, kShuffleMirror_AVX2
+ lea eax, [eax - 32]
+
+ align 4
+ convertloop:
+ vmovdqu ymm0, [eax + ecx]
+ vpshufb ymm0, ymm0, ymm5
+ vpermq ymm0, ymm0, 0x4e // swap high and low halfs
+ sub ecx, 32
+ vmovdqu [edx], ymm0
+ lea edx, [edx + 32]
+ jg convertloop
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_MIRRORROW_AVX2
+
+#ifdef HAS_MIRRORROW_SSE2
+// SSE2 version has movdqu so it can be used on unaligned buffers when SSSE3
+// version can not.
+__declspec(naked) __declspec(align(16))
+void MirrorRow_SSE2(const uint8* src, uint8* dst, int width) {
+ __asm {
+ mov eax, [esp + 4] // src
+ mov edx, [esp + 8] // dst
+ mov ecx, [esp + 12] // width
+ lea eax, [eax - 16]
+
+ align 4
+ convertloop:
+ movdqu xmm0, [eax + ecx]
+ movdqa xmm1, xmm0 // swap bytes
+ psllw xmm0, 8
+ psrlw xmm1, 8
+ por xmm0, xmm1
+ pshuflw xmm0, xmm0, 0x1b // swap words
+ pshufhw xmm0, xmm0, 0x1b
+ pshufd xmm0, xmm0, 0x4e // swap qwords
+ sub ecx, 16
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+#endif // HAS_MIRRORROW_SSE2
+
+#ifdef HAS_MIRRORROW_UV_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) __declspec(align(16))
+void MirrorUVRow_SSSE3(const uint8* src, uint8* dst_u, uint8* 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, kShuffleMirrorUV
+ lea eax, [eax + ecx * 2 - 16]
+ sub edi, edx
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ lea eax, [eax - 16]
+ pshufb xmm0, xmm1
+ sub ecx, 8
+ movlpd qword ptr [edx], xmm0
+ movhpd qword ptr [edx + edi], xmm0
+ lea edx, [edx + 8]
+ jg convertloop
+
+ pop edi
+ ret
+ }
+}
+#endif // HAS_MIRRORROW_UV_SSSE3
+
+#ifdef HAS_ARGBMIRRORROW_SSSE3
+// Shuffle table for reversing the bytes.
+static const uvec8 kARGBShuffleMirror = {
+ 12u, 13u, 14u, 15u, 8u, 9u, 10u, 11u, 4u, 5u, 6u, 7u, 0u, 1u, 2u, 3u
+};
+
+__declspec(naked) __declspec(align(16))
+void ARGBMirrorRow_SSSE3(const uint8* src, uint8* 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.
+ movdqa xmm5, kARGBShuffleMirror
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ lea eax, [eax - 16]
+ pshufb xmm0, xmm5
+ sub ecx, 4
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+#endif // HAS_ARGBMIRRORROW_SSSE3
+
+#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) __declspec(align(16))
+void ARGBMirrorRow_AVX2(const uint8* src, uint8* dst, int width) {
+ __asm {
+ mov eax, [esp + 4] // src
+ mov edx, [esp + 8] // dst
+ mov ecx, [esp + 12] // width
+ lea eax, [eax - 32]
+ vmovdqa ymm5, kARGBShuffleMirror_AVX2
+
+ align 4
+ convertloop:
+ vpermd ymm0, ymm5, [eax + ecx * 4] // permute dword order
+ sub ecx, 8
+ vmovdqu [edx], ymm0
+ lea edx, [edx + 32]
+ jg convertloop
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_ARGBMIRRORROW_AVX2
+
+#ifdef HAS_SPLITUVROW_SSE2
+__declspec(naked) __declspec(align(16))
+void SplitUVRow_SSE2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa 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
+ movdqa [edx], xmm0
+ movdqa [edx + edi], xmm2
+ lea edx, [edx + 16]
+ sub ecx, 16
+ jg convertloop
+
+ pop edi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void SplitUVRow_Unaligned_SSE2(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
+ int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ 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) __declspec(align(16))
+void SplitUVRow_AVX2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
+ vpsrlw ymm5, ymm5, 8
+ sub edi, edx
+
+ align 4
+ 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) __declspec(align(16))
+void MergeUVRow_SSE2(const uint8* src_u, const uint8* src_v, uint8* 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
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // read 16 U's
+ movdqa 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
+ movdqa [edi], xmm0
+ movdqa [edi + 16], xmm2
+ lea edi, [edi + 32]
+ sub ecx, 16
+ jg convertloop
+
+ pop edi
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void MergeUVRow_Unaligned_SSE2(const uint8* src_u, const uint8* src_v,
+ uint8* 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
+
+ align 4
+ 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) __declspec(align(16))
+void MergeUVRow_AVX2(const uint8* src_u, const uint8* src_v, uint8* 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
+
+ align 4
+ 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
+ vperm2i128 ymm1, ymm2, ymm0, 0x20 // low 128 of ymm2 and low 128 of ymm0
+ vperm2i128 ymm2, ymm2, ymm0, 0x31 // high 128 of ymm2 and high 128 of ymm0
+ vmovdqu [edi], ymm1
+ vmovdqu [edi + 32], ymm2
+ lea edi, [edi + 64]
+ sub ecx, 32
+ jg convertloop
+
+ pop edi
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_MERGEUVROW_AVX2
+
+#ifdef HAS_COPYROW_SSE2
+// CopyRow copys 'count' bytes using a 16 byte load/store, 32 bytes at time.
+__declspec(naked) __declspec(align(16))
+void CopyRow_SSE2(const uint8* src, uint8* dst, int count) {
+ __asm {
+ mov eax, [esp + 4] // src
+ mov edx, [esp + 8] // dst
+ mov ecx, [esp + 12] // count
+
+ align 4
+ convertloop:
+ 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 convertloop
+ ret
+ }
+}
+#endif // HAS_COPYROW_SSE2
+
+// Unaligned Multiple of 1.
+__declspec(naked) __declspec(align(16))
+void CopyRow_ERMS(const uint8* src, uint8* dst, int count) {
+ __asm {
+ mov eax, esi
+ mov edx, edi
+ mov esi, [esp + 4] // src
+ mov edi, [esp + 8] // dst
+ mov ecx, [esp + 12] // count
+ rep movsb
+ mov edi, edx
+ mov esi, eax
+ ret
+ }
+}
+
+#ifdef HAS_COPYROW_X86
+__declspec(naked) __declspec(align(16))
+void CopyRow_X86(const uint8* src, uint8* dst, int count) {
+ __asm {
+ mov eax, esi
+ mov edx, edi
+ mov esi, [esp + 4] // src
+ mov edi, [esp + 8] // dst
+ mov ecx, [esp + 12] // count
+ shr ecx, 2
+ rep movsd
+ mov edi, edx
+ mov esi, eax
+ ret
+ }
+}
+#endif // HAS_COPYROW_X86
+
+#ifdef HAS_ARGBCOPYALPHAROW_SSE2
+// width in pixels
+__declspec(naked) __declspec(align(16))
+void ARGBCopyAlphaRow_SSE2(const uint8* src, uint8* dst, int width) {
+ __asm {
+ mov eax, [esp + 4] // src
+ mov edx, [esp + 8] // dst
+ mov ecx, [esp + 12] // count
+ pcmpeqb xmm0, xmm0 // generate mask 0xff000000
+ pslld xmm0, 24
+ pcmpeqb xmm1, xmm1 // generate mask 0x00ffffff
+ psrld xmm1, 8
+
+ align 4
+ convertloop:
+ movdqa xmm2, [eax]
+ movdqa xmm3, [eax + 16]
+ lea eax, [eax + 32]
+ movdqa xmm4, [edx]
+ movdqa xmm5, [edx + 16]
+ pand xmm2, xmm0
+ pand xmm3, xmm0
+ pand xmm4, xmm1
+ pand xmm5, xmm1
+ por xmm2, xmm4
+ por xmm3, xmm5
+ movdqa [edx], xmm2
+ movdqa [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) __declspec(align(16))
+void ARGBCopyAlphaRow_AVX2(const uint8* src, uint8* dst, int width) {
+ __asm {
+ mov eax, [esp + 4] // src
+ mov edx, [esp + 8] // dst
+ mov ecx, [esp + 12] // count
+ vpcmpeqb ymm0, ymm0, ymm0
+ vpsrld ymm0, ymm0, 8 // generate mask 0x00ffffff
+
+ align 4
+ 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_ARGBCOPYYTOALPHAROW_SSE2
+// width in pixels
+__declspec(naked) __declspec(align(16))
+void ARGBCopyYToAlphaRow_SSE2(const uint8* src, uint8* dst, int width) {
+ __asm {
+ mov eax, [esp + 4] // src
+ mov edx, [esp + 8] // dst
+ mov ecx, [esp + 12] // count
+ pcmpeqb xmm0, xmm0 // generate mask 0xff000000
+ pslld xmm0, 24
+ pcmpeqb xmm1, xmm1 // generate mask 0x00ffffff
+ psrld xmm1, 8
+
+ align 4
+ convertloop:
+ movq xmm2, qword ptr [eax] // 8 Y's
+ lea eax, [eax + 8]
+ punpcklbw xmm2, xmm2
+ punpckhwd xmm3, xmm2
+ punpcklwd xmm2, xmm2
+ movdqa xmm4, [edx]
+ movdqa xmm5, [edx + 16]
+ pand xmm2, xmm0
+ pand xmm3, xmm0
+ pand xmm4, xmm1
+ pand xmm5, xmm1
+ por xmm2, xmm4
+ por xmm3, xmm5
+ movdqa [edx], xmm2
+ movdqa [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) __declspec(align(16))
+void ARGBCopyYToAlphaRow_AVX2(const uint8* src, uint8* dst, int width) {
+ __asm {
+ mov eax, [esp + 4] // src
+ mov edx, [esp + 8] // dst
+ mov ecx, [esp + 12] // count
+ vpcmpeqb ymm0, ymm0, ymm0
+ vpsrld ymm0, ymm0, 8 // generate mask 0x00ffffff
+
+ align 4
+ 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
+// SetRow8 writes 'count' bytes using a 32 bit value repeated.
+__declspec(naked) __declspec(align(16))
+void SetRow_X86(uint8* dst, uint32 v32, int count) {
+ __asm {
+ mov edx, edi
+ mov edi, [esp + 4] // dst
+ mov eax, [esp + 8] // v32
+ mov ecx, [esp + 12] // count
+ shr ecx, 2
+ rep stosd
+ mov edi, edx
+ ret
+ }
+}
+
+// SetRow32 writes 'count' words using a 32 bit value repeated.
+__declspec(naked) __declspec(align(16))
+void ARGBSetRows_X86(uint8* dst, uint32 v32, int width,
+ int dst_stride, int height) {
+ __asm {
+ push esi
+ push edi
+ push ebp
+ mov edi, [esp + 12 + 4] // dst
+ mov eax, [esp + 12 + 8] // v32
+ mov ebp, [esp + 12 + 12] // width
+ mov edx, [esp + 12 + 16] // dst_stride
+ mov esi, [esp + 12 + 20] // height
+ lea ecx, [ebp * 4]
+ sub edx, ecx // stride - width * 4
+
+ align 4
+ convertloop:
+ mov ecx, ebp
+ rep stosd
+ add edi, edx
+ sub esi, 1
+ jg convertloop
+
+ pop ebp
+ pop edi
+ pop esi
+ ret
+ }
+}
+#endif // HAS_SETROW_X86
+
+#ifdef HAS_YUY2TOYROW_AVX2
+__declspec(naked) __declspec(align(16))
+void YUY2ToYRow_AVX2(const uint8* src_yuy2,
+ uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_yuy2
+ mov edx, [esp + 8] // dst_y
+ mov ecx, [esp + 12] // pix
+ vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
+ vpsrlw ymm5, ymm5, 8
+
+ align 4
+ 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
+ sub ecx, 32
+ vmovdqu [edx], ymm0
+ lea edx, [edx + 32]
+ jg convertloop
+ vzeroupper
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void YUY2ToUVRow_AVX2(const uint8* src_yuy2, int stride_yuy2,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
+ vpsrlw ymm5, ymm5, 8
+ sub edi, edx
+
+ align 4
+ 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) __declspec(align(16))
+void YUY2ToUV422Row_AVX2(const uint8* src_yuy2,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
+ vpsrlw ymm5, ymm5, 8
+ sub edi, edx
+
+ align 4
+ 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) __declspec(align(16))
+void UYVYToYRow_AVX2(const uint8* src_uyvy,
+ uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_uyvy
+ mov edx, [esp + 8] // dst_y
+ mov ecx, [esp + 12] // pix
+
+ align 4
+ 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
+ sub ecx, 32
+ vmovdqu [edx], ymm0
+ lea edx, [edx + 32]
+ jg convertloop
+ ret
+ vzeroupper
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void UYVYToUVRow_AVX2(const uint8* src_uyvy, int stride_uyvy,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
+ vpsrlw ymm5, ymm5, 8
+ sub edi, edx
+
+ align 4
+ 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) __declspec(align(16))
+void UYVYToUV422Row_AVX2(const uint8* src_uyvy,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
+ vpsrlw ymm5, ymm5, 8
+ sub edi, edx
+
+ align 4
+ 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) __declspec(align(16))
+void YUY2ToYRow_SSE2(const uint8* src_yuy2,
+ uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_yuy2
+ mov edx, [esp + 8] // dst_y
+ mov ecx, [esp + 12] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ lea eax, [eax + 32]
+ pand xmm0, xmm5 // even bytes are Y
+ pand xmm1, xmm5
+ packuswb xmm0, xmm1
+ sub ecx, 16
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void YUY2ToUVRow_SSE2(const uint8* src_yuy2, int stride_yuy2,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + esi]
+ movdqa 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) __declspec(align(16))
+void YUY2ToUV422Row_SSE2(const uint8* src_yuy2,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa 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) __declspec(align(16))
+void YUY2ToYRow_Unaligned_SSE2(const uint8* src_yuy2,
+ uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_yuy2
+ mov edx, [esp + 8] // dst_y
+ mov ecx, [esp + 12] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+
+ align 4
+ 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
+ sub ecx, 16
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void YUY2ToUVRow_Unaligned_SSE2(const uint8* src_yuy2, int stride_yuy2,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ 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) __declspec(align(16))
+void YUY2ToUV422Row_Unaligned_SSE2(const uint8* src_yuy2,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ 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) __declspec(align(16))
+void UYVYToYRow_SSE2(const uint8* src_uyvy,
+ uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_uyvy
+ mov edx, [esp + 8] // dst_y
+ mov ecx, [esp + 12] // pix
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ lea eax, [eax + 32]
+ psrlw xmm0, 8 // odd bytes are Y
+ psrlw xmm1, 8
+ packuswb xmm0, xmm1
+ sub ecx, 16
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void UYVYToUVRow_SSE2(const uint8* src_uyvy, int stride_uyvy,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + esi]
+ movdqa 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) __declspec(align(16))
+void UYVYToUV422Row_SSE2(const uint8* src_uyvy,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ movdqa 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
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void UYVYToYRow_Unaligned_SSE2(const uint8* src_uyvy,
+ uint8* dst_y, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_uyvy
+ mov edx, [esp + 8] // dst_y
+ mov ecx, [esp + 12] // pix
+
+ align 4
+ 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
+ sub ecx, 16
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void UYVYToUVRow_Unaligned_SSE2(const uint8* src_uyvy, int stride_uyvy,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ 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) __declspec(align(16))
+void UYVYToUV422Row_Unaligned_SSE2(const uint8* src_uyvy,
+ uint8* dst_u, uint8* dst_v, int pix) {
+ __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] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
+ psrlw xmm5, 8
+ sub edi, edx
+
+ align 4
+ 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_ARGBBLENDROW_SSE2
+// Blend 8 pixels at a time.
+__declspec(naked) __declspec(align(16))
+void ARGBBlendRow_SSE2(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* 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 1
+ 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, 1
+ je convertloop1 // only 1 pixel?
+ jl convertloop1b
+
+ // 1 pixel loop until destination pointer is aligned.
+ alignloop1:
+ test edx, 15 // aligned?
+ je alignloop1b
+ movd xmm3, [eax]
+ lea eax, [eax + 4]
+ movdqa xmm0, xmm3 // src argb
+ pxor xmm3, xmm4 // ~alpha
+ movd xmm2, [esi] // _r_b
+ psrlw xmm3, 8 // alpha
+ pshufhw xmm3, xmm3, 0F5h // 8 alpha words
+ pshuflw xmm3, xmm3, 0F5h
+ 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
+ sub ecx, 1
+ movd [edx], xmm0
+ lea edx, [edx + 4]
+ jge alignloop1
+
+ alignloop1b:
+ add ecx, 1 - 4
+ jl convertloop4b
+
+ // 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
+ psrlw xmm3, 8 // alpha
+ pshufhw xmm3, xmm3, 0F5h // 8 alpha words
+ pshuflw xmm3, xmm3, 0F5h
+ 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
+ sub ecx, 4
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ 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
+ psrlw xmm3, 8 // alpha
+ pshufhw xmm3, xmm3, 0F5h // 8 alpha words
+ pshuflw xmm3, xmm3, 0F5h
+ 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
+ sub ecx, 1
+ movd [edx], xmm0
+ lea edx, [edx + 4]
+ jge convertloop1
+
+ convertloop1b:
+ pop esi
+ ret
+ }
+}
+#endif // HAS_ARGBBLENDROW_SSE2
+
+#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
+};
+// Same as SSE2, but replaces:
+// psrlw xmm3, 8 // alpha
+// pshufhw xmm3, xmm3, 0F5h // 8 alpha words
+// pshuflw xmm3, xmm3, 0F5h
+// with..
+// pshufb xmm3, kShuffleAlpha // alpha
+// Blend 8 pixels at a time.
+
+__declspec(naked) __declspec(align(16))
+void ARGBBlendRow_SSSE3(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* 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, 1
+ je convertloop1 // only 1 pixel?
+ jl convertloop1b
+
+ // 1 pixel loop until destination pointer is aligned.
+ alignloop1:
+ test edx, 15 // aligned?
+ je alignloop1b
+ movd xmm3, [eax]
+ lea eax, [eax + 4]
+ movdqa xmm0, xmm3 // src argb
+ pxor xmm3, xmm4 // ~alpha
+ movd xmm2, [esi] // _r_b
+ pshufb xmm3, 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
+ sub ecx, 1
+ movd [edx], xmm0
+ lea edx, [edx + 4]
+ jge alignloop1
+
+ alignloop1b:
+ add ecx, 1 - 4
+ jl convertloop4b
+
+ test eax, 15 // unaligned?
+ jne convertuloop4
+ test esi, 15 // unaligned?
+ jne convertuloop4
+
+ // 4 pixel loop.
+ convertloop4:
+ movdqa xmm3, [eax] // src argb
+ lea eax, [eax + 16]
+ movdqa xmm0, xmm3 // src argb
+ pxor xmm3, xmm4 // ~alpha
+ movdqa xmm2, [esi] // _r_b
+ pshufb xmm3, kShuffleAlpha // alpha
+ pand xmm2, xmm6 // _r_b
+ paddw xmm3, xmm7 // 256 - alpha
+ pmullw xmm2, xmm3 // _r_b * alpha
+ movdqa 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
+ sub ecx, 4
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jge convertloop4
+ jmp convertloop4b
+
+ // 4 pixel unaligned loop.
+ convertuloop4:
+ 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, 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
+ sub ecx, 4
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jge convertuloop4
+
+ 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, 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
+ sub ecx, 1
+ movd [edx], xmm0
+ lea edx, [edx + 4]
+ jge convertloop1
+
+ convertloop1b:
+ pop esi
+ ret
+ }
+}
+#endif // HAS_ARGBBLENDROW_SSSE3
+
+#ifdef HAS_ARGBATTENUATEROW_SSE2
+// Attenuate 4 pixels at a time.
+// Aligned to 16 bytes.
+__declspec(naked) __declspec(align(16))
+void ARGBAttenuateRow_SSE2(const uint8* src_argb, uint8* dst_argb, int width) {
+ __asm {
+ mov eax, [esp + 4] // src_argb0
+ mov edx, [esp + 8] // dst_argb
+ mov ecx, [esp + 12] // width
+ pcmpeqb xmm4, xmm4 // generate mask 0xff000000
+ pslld xmm4, 24
+ pcmpeqb xmm5, xmm5 // generate mask 0x00ffffff
+ psrld xmm5, 8
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // read 4 pixels
+ punpcklbw xmm0, xmm0 // first 2
+ pshufhw xmm2, xmm0, 0FFh // 8 alpha words
+ pshuflw xmm2, xmm2, 0FFh
+ pmulhuw xmm0, xmm2 // rgb * a
+ movdqa xmm1, [eax] // read 4 pixels
+ punpckhbw xmm1, xmm1 // next 2 pixels
+ pshufhw xmm2, xmm1, 0FFh // 8 alpha words
+ pshuflw xmm2, xmm2, 0FFh
+ pmulhuw xmm1, xmm2 // rgb * a
+ movdqa xmm2, [eax] // alphas
+ lea eax, [eax + 16]
+ psrlw xmm0, 8
+ pand xmm2, xmm4
+ psrlw xmm1, 8
+ packuswb xmm0, xmm1
+ pand xmm0, xmm5 // keep original alphas
+ por xmm0, xmm2
+ sub ecx, 4
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+
+ ret
+ }
+}
+#endif // HAS_ARGBATTENUATEROW_SSE2
+
+#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) __declspec(align(16))
+void ARGBAttenuateRow_SSSE3(const uint8* src_argb, uint8* 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, kShuffleAlpha0
+ movdqa xmm5, kShuffleAlpha1
+
+ align 4
+ 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
+ sub ecx, 4
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+
+ ret
+ }
+}
+#endif // HAS_ARGBATTENUATEROW_SSSE3
+
+#ifdef HAS_ARGBATTENUATEROW_AVX2
+// Shuffle table duplicating alpha.
+static const ulvec8 kShuffleAlpha_AVX2 = {
+ 6u, 7u, 6u, 7u, 6u, 7u, 128u, 128u,
+ 14u, 15u, 14u, 15u, 14u, 15u, 128u, 128u,
+ 6u, 7u, 6u, 7u, 6u, 7u, 128u, 128u,
+ 14u, 15u, 14u, 15u, 14u, 15u, 128u, 128u,
+};
+__declspec(naked) __declspec(align(16))
+void ARGBAttenuateRow_AVX2(const uint8* src_argb, uint8* 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
+ vmovdqa ymm4, kShuffleAlpha_AVX2
+ vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0xff000000
+ vpslld ymm5, ymm5, 24
+
+ align 4
+ 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
+ sub ecx, 8
+ vmovdqu [eax + edx], ymm0
+ lea eax, [eax + 32]
+ jg convertloop
+
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_ARGBATTENUATEROW_AVX2
+
+#ifdef HAS_ARGBUNATTENUATEROW_SSE2
+// Unattenuate 4 pixels at a time.
+// Aligned to 16 bytes.
+__declspec(naked) __declspec(align(16))
+void ARGBUnattenuateRow_SSE2(const uint8* src_argb, uint8* dst_argb,
+ int width) {
+ __asm {
+ push esi
+ push edi
+ mov eax, [esp + 8 + 4] // src_argb0
+ mov edx, [esp + 8 + 8] // dst_argb
+ mov ecx, [esp + 8 + 12] // width
+
+ align 4
+ 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 fixed_invtbl8[esi * 4]
+ movd xmm3, dword ptr fixed_invtbl8[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 fixed_invtbl8[esi * 4]
+ movd xmm3, dword ptr fixed_invtbl8[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
+ sub ecx, 4
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg convertloop
+ pop edi
+ pop esi
+ ret
+ }
+}
+#endif // HAS_ARGBUNATTENUATEROW_SSE2
+
+#ifdef HAS_ARGBUNATTENUATEROW_AVX2
+// Shuffle table duplicating alpha.
+static const ulvec8 kUnattenShuffleAlpha_AVX2 = {
+ 0u, 1u, 0u, 1u, 0u, 1u, 6u, 7u, 8u, 9u, 8u, 9u, 8u, 9u, 14u, 15,
+ 0u, 1u, 0u, 1u, 0u, 1u, 6u, 7u, 8u, 9u, 8u, 9u, 8u, 9u, 14u, 15,
+};
+// 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) __declspec(align(16))
+void ARGBUnattenuateRow_AVX2(const uint8* src_argb, uint8* 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
+ vmovdqa ymm4, kUnattenShuffleAlpha_AVX2
+
+ align 4
+ 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.
+ sub ecx, 8
+ vmovdqu [eax + edx], ymm0
+ lea eax, [eax + 32]
+ jg convertloop
+
+ vzeroupper
+ ret
+ }
+}
+#else // USE_GATHER
+__declspec(naked) __declspec(align(16))
+void ARGBUnattenuateRow_AVX2(const uint8* src_argb, uint8* 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
+ vmovdqa ymm5, kUnattenShuffleAlpha_AVX2
+
+ push esi
+ push edi
+
+ align 4
+ convertloop:
+ // replace VPGATHER
+ movzx esi, byte ptr [eax + 3] // alpha0
+ movzx edi, byte ptr [eax + 7] // alpha1
+ vmovd xmm0, dword ptr fixed_invtbl8[esi * 4] // [1,a0]
+ vmovd xmm1, dword ptr fixed_invtbl8[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 fixed_invtbl8[esi * 4] // [1,a2]
+ vmovd xmm3, dword ptr fixed_invtbl8[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 fixed_invtbl8[esi * 4] // [1,a4]
+ vmovd xmm1, dword ptr fixed_invtbl8[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 fixed_invtbl8[esi * 4] // [1,a6]
+ vmovd xmm3, dword ptr fixed_invtbl8[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.
+ sub ecx, 8
+ vmovdqu [eax + edx], ymm0
+ lea eax, [eax + 32]
+ jg convertloop
+
+ pop edi
+ pop esi
+ 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) __declspec(align(16))
+void ARGBGrayRow_SSSE3(const uint8* src_argb, uint8* dst_argb, int width) {
+ __asm {
+ mov eax, [esp + 4] /* src_argb */
+ mov edx, [esp + 8] /* dst_argb */
+ mov ecx, [esp + 12] /* width */
+ movdqa xmm4, kARGBToYJ
+ movdqa xmm5, kAddYJ64
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // G
+ movdqa 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
+ movdqa xmm2, [eax] // A
+ movdqa 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
+ sub ecx, 8
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ 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) __declspec(align(16))
+void ARGBSepiaRow_SSSE3(uint8* dst_argb, int width) {
+ __asm {
+ mov eax, [esp + 4] /* dst_argb */
+ mov ecx, [esp + 8] /* width */
+ movdqa xmm2, kARGBToSepiaB
+ movdqa xmm3, kARGBToSepiaG
+ movdqa xmm4, kARGBToSepiaR
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // B
+ movdqa xmm6, [eax + 16]
+ pmaddubsw xmm0, xmm2
+ pmaddubsw xmm6, xmm2
+ phaddw xmm0, xmm6
+ psrlw xmm0, 7
+ packuswb xmm0, xmm0 // 8 B values
+ movdqa xmm5, [eax] // G
+ movdqa 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
+ movdqa xmm5, [eax] // R
+ movdqa xmm1, [eax + 16]
+ pmaddubsw xmm5, xmm4
+ pmaddubsw xmm1, xmm4
+ phaddw xmm5, xmm1
+ psrlw xmm5, 7
+ packuswb xmm5, xmm5 // 8 R values
+ movdqa xmm6, [eax] // A
+ movdqa 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
+ sub ecx, 8
+ movdqa [eax], xmm0
+ movdqa [eax + 16], xmm1
+ lea eax, [eax + 32]
+ 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) __declspec(align(16))
+void ARGBColorMatrixRow_SSSE3(const uint8* src_argb, uint8* dst_argb,
+ const int8* 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 */
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // B
+ movdqa xmm7, [eax + 16]
+ pmaddubsw xmm0, xmm2
+ pmaddubsw xmm7, xmm2
+ movdqa xmm6, [eax] // G
+ movdqa 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
+ movdqa xmm1, [eax] // R
+ movdqa xmm7, [eax + 16]
+ pmaddubsw xmm1, xmm4
+ pmaddubsw xmm7, xmm4
+ phaddsw xmm1, xmm7 // R
+ movdqa xmm6, [eax] // A
+ movdqa 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
+ sub ecx, 8
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm6
+ lea eax, [eax + 32]
+ lea edx, [edx + 32]
+ jg convertloop
+ ret
+ }
+}
+#endif // HAS_ARGBCOLORMATRIXROW_SSSE3
+
+#ifdef HAS_ARGBQUANTIZEROW_SSE2
+// Quantize 4 ARGB pixels (16 bytes).
+// Aligned to 16 bytes.
+__declspec(naked) __declspec(align(16))
+void ARGBQuantizeRow_SSE2(uint8* 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
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // read 4 pixels
+ punpcklbw xmm0, xmm5 // first 2 pixels
+ pmulhuw xmm0, xmm2 // pixel * scale >> 16
+ movdqa xmm1, [eax] // read 4 pixels
+ punpckhbw xmm1, xmm5 // next 2 pixels
+ pmulhuw xmm1, xmm2
+ pmullw xmm0, xmm3 // * interval_size
+ movdqa 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
+ sub ecx, 4
+ movdqa [eax], xmm0
+ lea eax, [eax + 16]
+ jg convertloop
+ ret
+ }
+}
+#endif // HAS_ARGBQUANTIZEROW_SSE2
+
+#ifdef HAS_ARGBSHADEROW_SSE2
+// Shade 4 pixels at a time by specified value.
+// Aligned to 16 bytes.
+__declspec(naked) __declspec(align(16))
+void ARGBShadeRow_SSE2(const uint8* src_argb, uint8* dst_argb, int width,
+ uint32 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
+
+ align 4
+ convertloop:
+ movdqa 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
+ sub ecx, 4
+ movdqa [edx], xmm0
+ lea edx, [edx + 16]
+ 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) __declspec(align(16))
+void ARGBMultiplyRow_SSE2(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* 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
+
+ align 4
+ 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
+ sub ecx, 4
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ 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) __declspec(align(16))
+void ARGBAddRow_SSE2(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* 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
+
+ align 4
+ 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
+ sub ecx, 4
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ 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
+ sub ecx, 1
+ movd [edx], xmm0
+ lea edx, [edx + 4]
+ 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) __declspec(align(16))
+void ARGBSubtractRow_SSE2(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* 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
+
+ align 4
+ 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
+ sub ecx, 4
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ 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) __declspec(align(16))
+void ARGBMultiplyRow_AVX2(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* 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
+
+ align 4
+ 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) __declspec(align(16))
+void ARGBAddRow_AVX2(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* 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
+
+ align 4
+ 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) __declspec(align(16))
+void ARGBSubtractRow_AVX2(const uint8* src_argb0, const uint8* src_argb1,
+ uint8* 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
+
+ align 4
+ 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) __declspec(align(16))
+void SobelXRow_SSE2(const uint8* src_y0, const uint8* src_y1,
+ const uint8* src_y2, uint8* 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
+
+ align 4
+ 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
+ sub ecx, 8
+ movq qword ptr [eax + edx], xmm0
+ lea eax, [eax + 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) __declspec(align(16))
+void SobelYRow_SSE2(const uint8* src_y0, const uint8* src_y1,
+ uint8* 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
+
+ align 4
+ 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
+ sub ecx, 8
+ movq qword ptr [eax + edx], xmm0
+ lea eax, [eax + 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) __declspec(align(16))
+void SobelRow_SSE2(const uint8* src_sobelx, const uint8* src_sobely,
+ uint8* 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
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // read 16 pixels src_sobelx
+ movdqa 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
+ sub ecx, 16
+ movdqa [edx], xmm1
+ movdqa [edx + 16], xmm2
+ movdqa [edx + 32], xmm3
+ movdqa [edx + 48], xmm0
+ lea edx, [edx + 64]
+ 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) __declspec(align(16))
+void SobelToPlaneRow_SSE2(const uint8* src_sobelx, const uint8* src_sobely,
+ uint8* 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
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // read 16 pixels src_sobelx
+ movdqa xmm1, [eax + esi] // read 16 pixels src_sobely
+ lea eax, [eax + 16]
+ paddusb xmm0, xmm1 // sobel = sobelx + sobely
+ sub ecx, 16
+ movdqa [edx], xmm0
+ lea edx, [edx + 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) __declspec(align(16))
+void SobelXYRow_SSE2(const uint8* src_sobelx, const uint8* src_sobely,
+ uint8* 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
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax] // read 16 pixels src_sobelx
+ movdqa 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
+ sub ecx, 16
+ movdqa [edx], xmm6
+ movdqa [edx + 16], xmm4
+ movdqa [edx + 32], xmm7
+ movdqa [edx + 48], xmm1
+ lea edx, [edx + 64]
+ 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, requires CumulativeSum pointers to be 16 byte
+// aligned.
+void CumulativeSumToAverageRow_SSE2(const int32* topleft, const int32* botleft,
+ int width, int area, uint8* 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.
+ align 4
+ s4:
+ // top left
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa 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
+ align 4
+ l4:
+ // top left
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ movdqa xmm2, [eax + 32]
+ movdqa 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
+ align 4
+ l1:
+ movdqa 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* row, int32* cumsum,
+ const int32* 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
+ align 4
+ 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
+ movdqa xmm2, [esi] // previous row above.
+ paddd xmm2, xmm0
+
+ paddd xmm0, xmm3
+ movdqa xmm3, [esi + 16]
+ paddd xmm3, xmm0
+
+ paddd xmm0, xmm4
+ movdqa xmm4, [esi + 32]
+ paddd xmm4, xmm0
+
+ paddd xmm0, xmm5
+ movdqa xmm5, [esi + 48]
+ lea esi, [esi + 64]
+ paddd xmm5, xmm0
+
+ movdqa [edx], xmm2
+ movdqa [edx + 16], xmm3
+ movdqa [edx + 32], xmm4
+ movdqa [edx + 48], xmm5
+
+ lea edx, [edx + 64]
+ sub ecx, 4
+ jge l4
+
+ l4b:
+ add ecx, 4 - 1
+ jl l1b
+
+ // 1 pixel loop
+ align 4
+ l1:
+ movd xmm2, dword ptr [eax] // 1 argb pixel 4 bytes.
+ 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) __declspec(align(16))
+LIBYUV_API
+void ARGBAffineRow_SSE2(const uint8* src_argb, int src_argb_stride,
+ uint8* 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
+ align 4
+ 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
+ sub ecx, 4
+ movq qword ptr 8[edx], xmm6
+ lea edx, [edx + 16]
+ jge l4
+
+ l4b:
+ add ecx, 4 - 1
+ jl l1b
+
+ // 1 pixel loop
+ align 4
+ 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
+ sub ecx, 1
+ movd [edx], xmm0
+ lea edx, [edx + 4]
+ jge l1
+ l1b:
+ pop edi
+ pop esi
+ ret
+ }
+}
+#endif // HAS_ARGBAFFINEROW_SSE2
+
+#ifdef HAS_INTERPOLATEROW_AVX2
+// Bilinear filter 16x2 -> 16x1
+__declspec(naked) __declspec(align(16))
+void InterpolateRow_AVX2(uint8* dst_ptr, const uint8* 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)
+ shr eax, 1
+ // Dispatch to specialized filters if applicable.
+ cmp eax, 0
+ je xloop100 // 0 / 128. Blend 100 / 0.
+ sub edi, esi
+ cmp eax, 32
+ je xloop75 // 32 / 128 is 0.25. Blend 75 / 25.
+ cmp eax, 64
+ je xloop50 // 64 / 128 is 0.50. Blend 50 / 50.
+ cmp eax, 96
+ je xloop25 // 96 / 128 is 0.75. Blend 25 / 75.
+
+ vmovd xmm0, eax // high fraction 0..127
+ neg eax
+ add eax, 128
+ vmovd xmm5, eax // low fraction 128..1
+ vpunpcklbw xmm5, xmm5, xmm0
+ vpunpcklwd xmm5, xmm5, xmm5
+ vpxor ymm0, ymm0, ymm0
+ vpermd ymm5, ymm0, ymm5
+
+ align 4
+ xloop:
+ vmovdqu ymm0, [esi]
+ vmovdqu ymm2, [esi + edx]
+ vpunpckhbw ymm1, ymm0, ymm2 // mutates
+ vpunpcklbw ymm0, ymm0, ymm2 // mutates
+ vpmaddubsw ymm0, ymm0, ymm5
+ vpmaddubsw ymm1, ymm1, ymm5
+ vpsrlw ymm0, ymm0, 7
+ vpsrlw ymm1, ymm1, 7
+ vpackuswb ymm0, ymm0, ymm1 // unmutates
+ sub ecx, 32
+ vmovdqu [esi + edi], ymm0
+ lea esi, [esi + 32]
+ jg xloop
+ jmp xloop99
+
+ // Blend 25 / 75.
+ align 4
+ xloop25:
+ vmovdqu ymm0, [esi]
+ vpavgb ymm0, ymm0, [esi + edx]
+ vpavgb ymm0, ymm0, [esi + edx]
+ sub ecx, 32
+ vmovdqu [esi + edi], ymm0
+ lea esi, [esi + 32]
+ jg xloop25
+ jmp xloop99
+
+ // Blend 50 / 50.
+ align 4
+ xloop50:
+ vmovdqu ymm0, [esi]
+ vpavgb ymm0, ymm0, [esi + edx]
+ sub ecx, 32
+ vmovdqu [esi + edi], ymm0
+ lea esi, [esi + 32]
+ jg xloop50
+ jmp xloop99
+
+ // Blend 75 / 25.
+ align 4
+ xloop75:
+ vmovdqu ymm0, [esi + edx]
+ vpavgb ymm0, ymm0, [esi]
+ vpavgb ymm0, ymm0, [esi]
+ sub ecx, 32
+ vmovdqu [esi + edi], ymm0
+ lea esi, [esi + 32]
+ jg xloop75
+ jmp xloop99
+
+ // Blend 100 / 0 - Copy row unchanged.
+ align 4
+ xloop100:
+ rep movsb
+
+ xloop99:
+ pop edi
+ pop esi
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_INTERPOLATEROW_AVX2
+
+#ifdef HAS_INTERPOLATEROW_SSSE3
+// Bilinear filter 16x2 -> 16x1
+__declspec(naked) __declspec(align(16))
+void InterpolateRow_SSSE3(uint8* dst_ptr, const uint8* 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
+ shr eax, 1
+ // Dispatch to specialized filters if applicable.
+ cmp eax, 0
+ je xloop100 // 0 / 128. Blend 100 / 0.
+ cmp eax, 32
+ je xloop75 // 32 / 128 is 0.25. Blend 75 / 25.
+ cmp eax, 64
+ je xloop50 // 64 / 128 is 0.50. Blend 50 / 50.
+ cmp eax, 96
+ je xloop25 // 96 / 128 is 0.75. Blend 25 / 75.
+
+ movd xmm0, eax // high fraction 0..127
+ neg eax
+ add eax, 128
+ movd xmm5, eax // low fraction 128..1
+ punpcklbw xmm5, xmm0
+ punpcklwd xmm5, xmm5
+ pshufd xmm5, xmm5, 0
+
+ align 4
+ xloop:
+ movdqa xmm0, [esi]
+ movdqa xmm2, [esi + edx]
+ movdqa xmm1, xmm0
+ punpcklbw xmm0, xmm2
+ punpckhbw xmm1, xmm2
+ pmaddubsw xmm0, xmm5
+ pmaddubsw xmm1, xmm5
+ psrlw xmm0, 7
+ psrlw xmm1, 7
+ packuswb xmm0, xmm1
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop
+ jmp xloop99
+
+ // Blend 25 / 75.
+ align 4
+ xloop25:
+ movdqa xmm0, [esi]
+ movdqa xmm1, [esi + edx]
+ pavgb xmm0, xmm1
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop25
+ jmp xloop99
+
+ // Blend 50 / 50.
+ align 4
+ xloop50:
+ movdqa xmm0, [esi]
+ movdqa xmm1, [esi + edx]
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop50
+ jmp xloop99
+
+ // Blend 75 / 25.
+ align 4
+ xloop75:
+ movdqa xmm1, [esi]
+ movdqa xmm0, [esi + edx]
+ pavgb xmm0, xmm1
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop75
+ jmp xloop99
+
+ // Blend 100 / 0 - Copy row unchanged.
+ align 4
+ xloop100:
+ movdqa xmm0, [esi]
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop100
+
+ xloop99:
+ pop edi
+ pop esi
+ ret
+ }
+}
+#endif // HAS_INTERPOLATEROW_SSSE3
+
+#ifdef HAS_INTERPOLATEROW_SSE2
+// Bilinear filter 16x2 -> 16x1
+__declspec(naked) __declspec(align(16))
+void InterpolateRow_SSE2(uint8* dst_ptr, const uint8* 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, 64
+ je xloop75 // 64 / 256 is 0.25. Blend 75 / 25.
+ cmp eax, 128
+ je xloop50 // 128 / 256 is 0.50. Blend 50 / 50.
+ cmp eax, 192
+ je xloop25 // 192 / 256 is 0.75. Blend 25 / 75.
+
+ movd xmm5, eax // xmm5 = y fraction
+ punpcklbw xmm5, xmm5
+ psrlw xmm5, 1
+ punpcklwd xmm5, xmm5
+ punpckldq xmm5, xmm5
+ punpcklqdq xmm5, xmm5
+ pxor xmm4, xmm4
+
+ align 4
+ xloop:
+ movdqa xmm0, [esi] // row0
+ movdqa xmm2, [esi + edx] // row1
+ movdqa xmm1, xmm0
+ movdqa xmm3, xmm2
+ punpcklbw xmm2, xmm4
+ punpckhbw xmm3, xmm4
+ punpcklbw xmm0, xmm4
+ punpckhbw xmm1, xmm4
+ psubw xmm2, xmm0 // row1 - row0
+ psubw xmm3, xmm1
+ paddw xmm2, xmm2 // 9 bits * 15 bits = 8.16
+ paddw xmm3, xmm3
+ pmulhw xmm2, xmm5 // scale diff
+ pmulhw xmm3, xmm5
+ paddw xmm0, xmm2 // sum rows
+ paddw xmm1, xmm3
+ packuswb xmm0, xmm1
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop
+ jmp xloop99
+
+ // Blend 25 / 75.
+ align 4
+ xloop25:
+ movdqa xmm0, [esi]
+ movdqa xmm1, [esi + edx]
+ pavgb xmm0, xmm1
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop25
+ jmp xloop99
+
+ // Blend 50 / 50.
+ align 4
+ xloop50:
+ movdqa xmm0, [esi]
+ movdqa xmm1, [esi + edx]
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop50
+ jmp xloop99
+
+ // Blend 75 / 25.
+ align 4
+ xloop75:
+ movdqa xmm1, [esi]
+ movdqa xmm0, [esi + edx]
+ pavgb xmm0, xmm1
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop75
+ jmp xloop99
+
+ // Blend 100 / 0 - Copy row unchanged.
+ align 4
+ xloop100:
+ movdqa xmm0, [esi]
+ sub ecx, 16
+ movdqa [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop100
+
+ xloop99:
+ pop edi
+ pop esi
+ ret
+ }
+}
+#endif // HAS_INTERPOLATEROW_SSE2
+
+// Bilinear filter 16x2 -> 16x1
+__declspec(naked) __declspec(align(16))
+void InterpolateRow_Unaligned_SSSE3(uint8* dst_ptr, const uint8* 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
+ shr eax, 1
+ // Dispatch to specialized filters if applicable.
+ cmp eax, 0
+ je xloop100 // 0 / 128. Blend 100 / 0.
+ cmp eax, 32
+ je xloop75 // 32 / 128 is 0.25. Blend 75 / 25.
+ cmp eax, 64
+ je xloop50 // 64 / 128 is 0.50. Blend 50 / 50.
+ cmp eax, 96
+ je xloop25 // 96 / 128 is 0.75. Blend 25 / 75.
+
+ movd xmm0, eax // high fraction 0..127
+ neg eax
+ add eax, 128
+ movd xmm5, eax // low fraction 128..1
+ punpcklbw xmm5, xmm0
+ punpcklwd xmm5, xmm5
+ pshufd xmm5, xmm5, 0
+
+ align 4
+ xloop:
+ movdqu xmm0, [esi]
+ movdqu xmm2, [esi + edx]
+ movdqu xmm1, xmm0
+ punpcklbw xmm0, xmm2
+ punpckhbw xmm1, xmm2
+ pmaddubsw xmm0, xmm5
+ pmaddubsw xmm1, xmm5
+ psrlw xmm0, 7
+ psrlw xmm1, 7
+ packuswb xmm0, xmm1
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop
+ jmp xloop99
+
+ // Blend 25 / 75.
+ align 4
+ xloop25:
+ movdqu xmm0, [esi]
+ movdqu xmm1, [esi + edx]
+ pavgb xmm0, xmm1
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop25
+ jmp xloop99
+
+ // Blend 50 / 50.
+ align 4
+ xloop50:
+ movdqu xmm0, [esi]
+ movdqu xmm1, [esi + edx]
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop50
+ jmp xloop99
+
+ // Blend 75 / 25.
+ align 4
+ xloop75:
+ movdqu xmm1, [esi]
+ movdqu xmm0, [esi + edx]
+ pavgb xmm0, xmm1
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop75
+ jmp xloop99
+
+ // Blend 100 / 0 - Copy row unchanged.
+ align 4
+ xloop100:
+ movdqu xmm0, [esi]
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop100
+
+ xloop99:
+ pop edi
+ pop esi
+ ret
+ }
+}
+
+#ifdef HAS_INTERPOLATEROW_SSE2
+// Bilinear filter 16x2 -> 16x1
+__declspec(naked) __declspec(align(16))
+void InterpolateRow_Unaligned_SSE2(uint8* dst_ptr, const uint8* 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, 64
+ je xloop75 // 64 / 256 is 0.25. Blend 75 / 25.
+ cmp eax, 128
+ je xloop50 // 128 / 256 is 0.50. Blend 50 / 50.
+ cmp eax, 192
+ je xloop25 // 192 / 256 is 0.75. Blend 25 / 75.
+
+ movd xmm5, eax // xmm5 = y fraction
+ punpcklbw xmm5, xmm5
+ psrlw xmm5, 1
+ punpcklwd xmm5, xmm5
+ punpckldq xmm5, xmm5
+ punpcklqdq xmm5, xmm5
+ pxor xmm4, xmm4
+
+ align 4
+ xloop:
+ movdqu xmm0, [esi] // row0
+ movdqu xmm2, [esi + edx] // row1
+ movdqu xmm1, xmm0
+ movdqu xmm3, xmm2
+ punpcklbw xmm2, xmm4
+ punpckhbw xmm3, xmm4
+ punpcklbw xmm0, xmm4
+ punpckhbw xmm1, xmm4
+ psubw xmm2, xmm0 // row1 - row0
+ psubw xmm3, xmm1
+ paddw xmm2, xmm2 // 9 bits * 15 bits = 8.16
+ paddw xmm3, xmm3
+ pmulhw xmm2, xmm5 // scale diff
+ pmulhw xmm3, xmm5
+ paddw xmm0, xmm2 // sum rows
+ paddw xmm1, xmm3
+ packuswb xmm0, xmm1
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop
+ jmp xloop99
+
+ // Blend 25 / 75.
+ align 4
+ xloop25:
+ movdqu xmm0, [esi]
+ movdqu xmm1, [esi + edx]
+ pavgb xmm0, xmm1
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop25
+ jmp xloop99
+
+ // Blend 50 / 50.
+ align 4
+ xloop50:
+ movdqu xmm0, [esi]
+ movdqu xmm1, [esi + edx]
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop50
+ jmp xloop99
+
+ // Blend 75 / 25.
+ align 4
+ xloop75:
+ movdqu xmm1, [esi]
+ movdqu xmm0, [esi + edx]
+ pavgb xmm0, xmm1
+ pavgb xmm0, xmm1
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop75
+ jmp xloop99
+
+ // Blend 100 / 0 - Copy row unchanged.
+ align 4
+ xloop100:
+ movdqu xmm0, [esi]
+ sub ecx, 16
+ movdqu [esi + edi], xmm0
+ lea esi, [esi + 16]
+ jg xloop100
+
+ xloop99:
+ pop edi
+ pop esi
+ ret
+ }
+}
+#endif // HAS_INTERPOLATEROW_SSE2
+
+__declspec(naked) __declspec(align(16))
+void HalfRow_SSE2(const uint8* src_uv, int src_uv_stride,
+ uint8* dst_uv, int pix) {
+ __asm {
+ push edi
+ mov eax, [esp + 4 + 4] // src_uv
+ mov edx, [esp + 4 + 8] // src_uv_stride
+ mov edi, [esp + 4 + 12] // dst_v
+ mov ecx, [esp + 4 + 16] // pix
+ sub edi, eax
+
+ align 4
+ convertloop:
+ movdqa xmm0, [eax]
+ pavgb xmm0, [eax + edx]
+ sub ecx, 16
+ movdqa [eax + edi], xmm0
+ lea eax, [eax + 16]
+ jg convertloop
+ pop edi
+ ret
+ }
+}
+
+#ifdef HAS_HALFROW_AVX2
+__declspec(naked) __declspec(align(16))
+void HalfRow_AVX2(const uint8* src_uv, int src_uv_stride,
+ uint8* dst_uv, int pix) {
+ __asm {
+ push edi
+ mov eax, [esp + 4 + 4] // src_uv
+ mov edx, [esp + 4 + 8] // src_uv_stride
+ mov edi, [esp + 4 + 12] // dst_v
+ mov ecx, [esp + 4 + 16] // pix
+ sub edi, eax
+
+ align 4
+ convertloop:
+ vmovdqu ymm0, [eax]
+ vpavgb ymm0, ymm0, [eax + edx]
+ sub ecx, 32
+ vmovdqu [eax + edi], ymm0
+ lea eax, [eax + 32]
+ jg convertloop
+
+ pop edi
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_HALFROW_AVX2
+
+__declspec(naked) __declspec(align(16))
+void ARGBToBayerRow_SSSE3(const uint8* src_argb, uint8* dst_bayer,
+ uint32 selector, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_argb
+ mov edx, [esp + 8] // dst_bayer
+ movd xmm5, [esp + 12] // selector
+ mov ecx, [esp + 16] // pix
+ pshufd xmm5, xmm5, 0
+
+ align 4
+ wloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ lea eax, [eax + 32]
+ pshufb xmm0, xmm5
+ pshufb xmm1, xmm5
+ punpckldq xmm0, xmm1
+ sub ecx, 8
+ movq qword ptr [edx], xmm0
+ lea edx, [edx + 8]
+ jg wloop
+ ret
+ }
+}
+
+// Specialized ARGB to Bayer that just isolates G channel.
+__declspec(naked) __declspec(align(16))
+void ARGBToBayerGGRow_SSE2(const uint8* src_argb, uint8* dst_bayer,
+ uint32 selector, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_argb
+ mov edx, [esp + 8] // dst_bayer
+ // selector
+ mov ecx, [esp + 16] // pix
+ pcmpeqb xmm5, xmm5 // generate mask 0x000000ff
+ psrld xmm5, 24
+
+ align 4
+ wloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ lea eax, [eax + 32]
+ psrld xmm0, 8 // Move green to bottom.
+ psrld xmm1, 8
+ pand xmm0, xmm5
+ pand xmm1, xmm5
+ packssdw xmm0, xmm1
+ packuswb xmm0, xmm1
+ sub ecx, 8
+ movq qword ptr [edx], xmm0
+ lea edx, [edx + 8]
+ jg wloop
+ ret
+ }
+}
+
+// For BGRAToARGB, ABGRToARGB, RGBAToARGB, and ARGBToRGBA.
+__declspec(naked) __declspec(align(16))
+void ARGBShuffleRow_SSSE3(const uint8* src_argb, uint8* dst_argb,
+ const uint8* shuffler, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_argb
+ mov edx, [esp + 8] // dst_argb
+ mov ecx, [esp + 12] // shuffler
+ movdqa xmm5, [ecx]
+ mov ecx, [esp + 16] // pix
+
+ align 4
+ wloop:
+ movdqa xmm0, [eax]
+ movdqa xmm1, [eax + 16]
+ lea eax, [eax + 32]
+ pshufb xmm0, xmm5
+ pshufb xmm1, xmm5
+ sub ecx, 8
+ movdqa [edx], xmm0
+ movdqa [edx + 16], xmm1
+ lea edx, [edx + 32]
+ jg wloop
+ ret
+ }
+}
+
+__declspec(naked) __declspec(align(16))
+void ARGBShuffleRow_Unaligned_SSSE3(const uint8* src_argb, uint8* dst_argb,
+ const uint8* shuffler, int pix) {
+ __asm {
+ mov eax, [esp + 4] // src_argb
+ mov edx, [esp + 8] // dst_argb
+ mov ecx, [esp + 12] // shuffler
+ movdqa xmm5, [ecx]
+ mov ecx, [esp + 16] // pix
+
+ align 4
+ wloop:
+ movdqu xmm0, [eax]
+ movdqu xmm1, [eax + 16]
+ lea eax, [eax + 32]
+ pshufb xmm0, xmm5
+ pshufb xmm1, xmm5
+ sub ecx, 8
+ movdqu [edx], xmm0
+ movdqu [edx + 16], xmm1
+ lea edx, [edx + 32]
+ jg wloop
+ ret
+ }
+}
+
+#ifdef HAS_ARGBSHUFFLEROW_AVX2
+__declspec(naked) __declspec(align(16))
+void ARGBShuffleRow_AVX2(const uint8* src_argb, uint8* dst_argb,
+ const uint8* shuffler, int pix) {
+ __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] // pix
+
+ align 4
+ wloop:
+ vmovdqu ymm0, [eax]
+ vmovdqu ymm1, [eax + 32]
+ lea eax, [eax + 64]
+ vpshufb ymm0, ymm0, ymm5
+ vpshufb ymm1, ymm1, ymm5
+ sub ecx, 16
+ vmovdqu [edx], ymm0
+ vmovdqu [edx + 32], ymm1
+ lea edx, [edx + 64]
+ jg wloop
+
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_ARGBSHUFFLEROW_AVX2
+
+__declspec(naked) __declspec(align(16))
+void ARGBShuffleRow_SSE2(const uint8* src_argb, uint8* dst_argb,
+ const uint8* shuffler, int pix) {
+ __asm {
+ push ebx
+ push esi
+ mov eax, [esp + 8 + 4] // src_argb
+ mov edx, [esp + 8 + 8] // dst_argb
+ mov esi, [esp + 8 + 12] // shuffler
+ mov ecx, [esp + 8 + 16] // pix
+ pxor xmm5, xmm5
+
+ mov ebx, [esi] // shuffler
+ cmp ebx, 0x03000102
+ je shuf_3012
+ cmp ebx, 0x00010203
+ je shuf_0123
+ cmp ebx, 0x00030201
+ je shuf_0321
+ cmp ebx, 0x02010003
+ je shuf_2103
+
+ // TODO(fbarchard): Use one source pointer and 3 offsets.
+ shuf_any1:
+ movzx ebx, byte ptr [esi]
+ movzx ebx, byte ptr [eax + ebx]
+ mov [edx], bl
+ movzx ebx, byte ptr [esi + 1]
+ movzx ebx, byte ptr [eax + ebx]
+ mov [edx + 1], bl
+ movzx ebx, byte ptr [esi + 2]
+ movzx ebx, byte ptr [eax + ebx]
+ mov [edx + 2], bl
+ movzx ebx, byte ptr [esi + 3]
+ movzx ebx, byte ptr [eax + ebx]
+ mov [edx + 3], bl
+ lea eax, [eax + 4]
+ lea edx, [edx + 4]
+ sub ecx, 1
+ jg shuf_any1
+ jmp shuf99
+
+ align 4
+ shuf_0123:
+ movdqu xmm0, [eax]
+ lea eax, [eax + 16]
+ movdqa xmm1, xmm0
+ punpcklbw xmm0, xmm5
+ punpckhbw xmm1, xmm5
+ pshufhw xmm0, xmm0, 01Bh // 1B = 00011011 = 0x0123 = BGRAToARGB
+ pshuflw xmm0, xmm0, 01Bh
+ pshufhw xmm1, xmm1, 01Bh
+ pshuflw xmm1, xmm1, 01Bh
+ packuswb xmm0, xmm1
+ sub ecx, 4
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg shuf_0123
+ jmp shuf99
+
+ align 4
+ shuf_0321:
+ movdqu xmm0, [eax]
+ lea eax, [eax + 16]
+ movdqa xmm1, xmm0
+ punpcklbw xmm0, xmm5
+ punpckhbw xmm1, xmm5
+ pshufhw xmm0, xmm0, 039h // 39 = 00111001 = 0x0321 = RGBAToARGB
+ pshuflw xmm0, xmm0, 039h
+ pshufhw xmm1, xmm1, 039h
+ pshuflw xmm1, xmm1, 039h
+ packuswb xmm0, xmm1
+ sub ecx, 4
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg shuf_0321
+ jmp shuf99
+
+ align 4
+ shuf_2103:
+ movdqu xmm0, [eax]
+ lea eax, [eax + 16]
+ movdqa xmm1, xmm0
+ punpcklbw xmm0, xmm5
+ punpckhbw xmm1, xmm5
+ pshufhw xmm0, xmm0, 093h // 93 = 10010011 = 0x2103 = ARGBToRGBA
+ pshuflw xmm0, xmm0, 093h
+ pshufhw xmm1, xmm1, 093h
+ pshuflw xmm1, xmm1, 093h
+ packuswb xmm0, xmm1
+ sub ecx, 4
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg shuf_2103
+ jmp shuf99
+
+ align 4
+ shuf_3012:
+ movdqu xmm0, [eax]
+ lea eax, [eax + 16]
+ movdqa xmm1, xmm0
+ punpcklbw xmm0, xmm5
+ punpckhbw xmm1, xmm5
+ pshufhw xmm0, xmm0, 0C6h // C6 = 11000110 = 0x3012 = ABGRToARGB
+ pshuflw xmm0, xmm0, 0C6h
+ pshufhw xmm1, xmm1, 0C6h
+ pshuflw xmm1, xmm1, 0C6h
+ packuswb xmm0, xmm1
+ sub ecx, 4
+ movdqu [edx], xmm0
+ lea edx, [edx + 16]
+ jg shuf_3012
+
+ shuf99:
+ pop esi
+ pop ebx
+ ret
+ }
+}
+
+// YUY2 - Macro-pixel = 2 image pixels
+// Y0U0Y1V0....Y2U2Y3V2...Y4U4Y5V4....
+
+// UYVY - Macro-pixel = 2 image pixels
+// U0Y0V0Y1
+
+__declspec(naked) __declspec(align(16))
+void I422ToYUY2Row_SSE2(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* 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
+
+ align 4
+ 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) __declspec(align(16))
+void I422ToUYVYRow_SSE2(const uint8* src_y,
+ const uint8* src_u,
+ const uint8* src_v,
+ uint8* 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
+
+ align 4
+ 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) __declspec(align(16))
+void ARGBPolynomialRow_SSE2(const uint8* src_argb,
+ uint8* 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.
+ align 4
+ 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
+ sub ecx, 2
+ movq qword ptr [edx], xmm0
+ lea edx, [edx + 8]
+ jg convertloop
+ pop esi
+ ret
+ }
+}
+#endif // HAS_ARGBPOLYNOMIALROW_SSE2
+
+#ifdef HAS_ARGBPOLYNOMIALROW_AVX2
+__declspec(naked) __declspec(align(16))
+void ARGBPolynomialRow_AVX2(const uint8* src_argb,
+ uint8* 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.
+ align 4
+ 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
+ sub ecx, 2
+ vmovq qword ptr [edx], xmm0
+ lea edx, [edx + 8]
+ jg convertloop
+ vzeroupper
+ ret
+ }
+}
+#endif // HAS_ARGBPOLYNOMIALROW_AVX2
+
+#ifdef HAS_ARGBCOLORTABLEROW_X86
+// Tranform ARGB pixels with color table.
+__declspec(naked) __declspec(align(16))
+void ARGBColorTableRow_X86(uint8* dst_argb, const uint8* 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.
+ align 4
+ 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) __declspec(align(16))
+void RGBColorTableRow_X86(uint8* dst_argb, const uint8* 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.
+ align 4
+ 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) __declspec(align(16))
+void ARGBLumaColorTableRow_SSSE3(const uint8* src_argb, uint8* dst_argb,
+ int width,
+ const uint8* luma, uint32 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.
+ align 4
+ convertloop:
+ movdqu xmm0, qword 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
+
+ sub ecx, 4
+ lea eax, [eax + 16]
+ lea edi, [edi + 16]
+ jg convertloop
+
+ pop edi
+ pop esi
+ ret
+ }
+}
+#endif // HAS_ARGBLUMACOLORTABLEROW_SSSE3
+
+#endif // !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
+
+#ifdef __cplusplus
+} // extern "C"
+} // namespace libyuv
+#endif
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