ref: c66fe1a8930cf1ad43b38dd7cb88f8ae0139b0b2
dir: /third_party/libyuv/source/row_win.cc/
/*
* Copyright 2011 The LibYuv Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "libyuv/row.h"
// This module is for Visual C 32/64 bit and clangcl 32 bit
#if !defined(LIBYUV_DISABLE_X86) && defined(_MSC_VER) && \
(defined(_M_IX86) || (defined(_M_X64) && !defined(__clang__)))
#if defined(_M_X64)
#include <emmintrin.h>
#include <tmmintrin.h> // For _mm_maddubs_epi16
#endif
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
// 64 bit
#if defined(_M_X64)
// Read 4 UV from 422, upsample to 8 UV.
#define READYUV422 \
xmm0 = _mm_cvtsi32_si128(*(uint32_t*)u_buf); \
xmm1 = _mm_cvtsi32_si128(*(uint32_t*)(u_buf + offset)); \
xmm0 = _mm_unpacklo_epi8(xmm0, xmm1); \
xmm0 = _mm_unpacklo_epi16(xmm0, xmm0); \
u_buf += 4; \
xmm4 = _mm_loadl_epi64((__m128i*)y_buf); \
xmm4 = _mm_unpacklo_epi8(xmm4, xmm4); \
y_buf += 8;
// Read 4 UV from 422, upsample to 8 UV. With 8 Alpha.
#define READYUVA422 \
xmm0 = _mm_cvtsi32_si128(*(uint32_t*)u_buf); \
xmm1 = _mm_cvtsi32_si128(*(uint32_t*)(u_buf + offset)); \
xmm0 = _mm_unpacklo_epi8(xmm0, xmm1); \
xmm0 = _mm_unpacklo_epi16(xmm0, xmm0); \
u_buf += 4; \
xmm4 = _mm_loadl_epi64((__m128i*)y_buf); \
xmm4 = _mm_unpacklo_epi8(xmm4, xmm4); \
y_buf += 8; \
xmm5 = _mm_loadl_epi64((__m128i*)a_buf); \
a_buf += 8;
// Convert 8 pixels: 8 UV and 8 Y.
#define YUVTORGB(yuvconstants) \
xmm1 = _mm_loadu_si128(&xmm0); \
xmm2 = _mm_loadu_si128(&xmm0); \
xmm0 = _mm_maddubs_epi16(xmm0, *(__m128i*)yuvconstants->kUVToB); \
xmm1 = _mm_maddubs_epi16(xmm1, *(__m128i*)yuvconstants->kUVToG); \
xmm2 = _mm_maddubs_epi16(xmm2, *(__m128i*)yuvconstants->kUVToR); \
xmm0 = _mm_sub_epi16(*(__m128i*)yuvconstants->kUVBiasB, xmm0); \
xmm1 = _mm_sub_epi16(*(__m128i*)yuvconstants->kUVBiasG, xmm1); \
xmm2 = _mm_sub_epi16(*(__m128i*)yuvconstants->kUVBiasR, xmm2); \
xmm4 = _mm_mulhi_epu16(xmm4, *(__m128i*)yuvconstants->kYToRgb); \
xmm0 = _mm_adds_epi16(xmm0, xmm4); \
xmm1 = _mm_adds_epi16(xmm1, xmm4); \
xmm2 = _mm_adds_epi16(xmm2, xmm4); \
xmm0 = _mm_srai_epi16(xmm0, 6); \
xmm1 = _mm_srai_epi16(xmm1, 6); \
xmm2 = _mm_srai_epi16(xmm2, 6); \
xmm0 = _mm_packus_epi16(xmm0, xmm0); \
xmm1 = _mm_packus_epi16(xmm1, xmm1); \
xmm2 = _mm_packus_epi16(xmm2, xmm2);
// Store 8 ARGB values.
#define STOREARGB \
xmm0 = _mm_unpacklo_epi8(xmm0, xmm1); \
xmm2 = _mm_unpacklo_epi8(xmm2, xmm5); \
xmm1 = _mm_loadu_si128(&xmm0); \
xmm0 = _mm_unpacklo_epi16(xmm0, xmm2); \
xmm1 = _mm_unpackhi_epi16(xmm1, xmm2); \
_mm_storeu_si128((__m128i*)dst_argb, xmm0); \
_mm_storeu_si128((__m128i*)(dst_argb + 16), xmm1); \
dst_argb += 32;
#if defined(HAS_I422TOARGBROW_SSSE3)
void I422ToARGBRow_SSSE3(const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__m128i xmm0, xmm1, xmm2, xmm4;
const __m128i xmm5 = _mm_set1_epi8(-1);
const ptrdiff_t offset = (uint8_t*)v_buf - (uint8_t*)u_buf;
while (width > 0) {
READYUV422
YUVTORGB(yuvconstants)
STOREARGB
width -= 8;
}
}
#endif
#if defined(HAS_I422ALPHATOARGBROW_SSSE3)
void I422AlphaToARGBRow_SSSE3(const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
const uint8_t* a_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__m128i xmm0, xmm1, xmm2, xmm4, xmm5;
const ptrdiff_t offset = (uint8_t*)v_buf - (uint8_t*)u_buf;
while (width > 0) {
READYUVA422
YUVTORGB(yuvconstants)
STOREARGB
width -= 8;
}
}
#endif
// 32 bit
#else // defined(_M_X64)
#ifdef HAS_ARGBTOYROW_SSSE3
// Constants for ARGB.
static const vec8 kARGBToY = {13, 65, 33, 0, 13, 65, 33, 0,
13, 65, 33, 0, 13, 65, 33, 0};
// JPeg full range.
static const vec8 kARGBToYJ = {15, 75, 38, 0, 15, 75, 38, 0,
15, 75, 38, 0, 15, 75, 38, 0};
static const vec8 kARGBToU = {112, -74, -38, 0, 112, -74, -38, 0,
112, -74, -38, 0, 112, -74, -38, 0};
static const vec8 kARGBToUJ = {127, -84, -43, 0, 127, -84, -43, 0,
127, -84, -43, 0, 127, -84, -43, 0};
static const vec8 kARGBToV = {
-18, -94, 112, 0, -18, -94, 112, 0, -18, -94, 112, 0, -18, -94, 112, 0,
};
static const vec8 kARGBToVJ = {-20, -107, 127, 0, -20, -107, 127, 0,
-20, -107, 127, 0, -20, -107, 127, 0};
// vpshufb for vphaddw + vpackuswb packed to shorts.
static const lvec8 kShufARGBToUV_AVX = {
0, 1, 8, 9, 2, 3, 10, 11, 4, 5, 12, 13, 6, 7, 14, 15,
0, 1, 8, 9, 2, 3, 10, 11, 4, 5, 12, 13, 6, 7, 14, 15};
// Constants for BGRA.
static const vec8 kBGRAToY = {0, 33, 65, 13, 0, 33, 65, 13,
0, 33, 65, 13, 0, 33, 65, 13};
static const vec8 kBGRAToU = {0, -38, -74, 112, 0, -38, -74, 112,
0, -38, -74, 112, 0, -38, -74, 112};
static const vec8 kBGRAToV = {0, 112, -94, -18, 0, 112, -94, -18,
0, 112, -94, -18, 0, 112, -94, -18};
// Constants for ABGR.
static const vec8 kABGRToY = {33, 65, 13, 0, 33, 65, 13, 0,
33, 65, 13, 0, 33, 65, 13, 0};
static const vec8 kABGRToU = {-38, -74, 112, 0, -38, -74, 112, 0,
-38, -74, 112, 0, -38, -74, 112, 0};
static const vec8 kABGRToV = {112, -94, -18, 0, 112, -94, -18, 0,
112, -94, -18, 0, 112, -94, -18, 0};
// Constants for RGBA.
static const vec8 kRGBAToY = {0, 13, 65, 33, 0, 13, 65, 33,
0, 13, 65, 33, 0, 13, 65, 33};
static const vec8 kRGBAToU = {0, 112, -74, -38, 0, 112, -74, -38,
0, 112, -74, -38, 0, 112, -74, -38};
static const vec8 kRGBAToV = {0, -18, -94, 112, 0, -18, -94, 112,
0, -18, -94, 112, 0, -18, -94, 112};
static const uvec8 kAddY16 = {16u, 16u, 16u, 16u, 16u, 16u, 16u, 16u,
16u, 16u, 16u, 16u, 16u, 16u, 16u, 16u};
// 7 bit fixed point 0.5.
static const vec16 kAddYJ64 = {64, 64, 64, 64, 64, 64, 64, 64};
static const uvec8 kAddUV128 = {128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u,
128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u};
static const uvec16 kAddUVJ128 = {0x8080u, 0x8080u, 0x8080u, 0x8080u,
0x8080u, 0x8080u, 0x8080u, 0x8080u};
// Shuffle table for converting RGB24 to ARGB.
static const uvec8 kShuffleMaskRGB24ToARGB = {
0u, 1u, 2u, 12u, 3u, 4u, 5u, 13u, 6u, 7u, 8u, 14u, 9u, 10u, 11u, 15u};
// Shuffle table for converting RAW to ARGB.
static const uvec8 kShuffleMaskRAWToARGB = {2u, 1u, 0u, 12u, 5u, 4u, 3u, 13u,
8u, 7u, 6u, 14u, 11u, 10u, 9u, 15u};
// Shuffle table for converting RAW to RGB24. First 8.
static const uvec8 kShuffleMaskRAWToRGB24_0 = {
2u, 1u, 0u, 5u, 4u, 3u, 8u, 7u,
128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u};
// Shuffle table for converting RAW to RGB24. Middle 8.
static const uvec8 kShuffleMaskRAWToRGB24_1 = {
2u, 7u, 6u, 5u, 10u, 9u, 8u, 13u,
128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u};
// Shuffle table for converting RAW to RGB24. Last 8.
static const uvec8 kShuffleMaskRAWToRGB24_2 = {
8u, 7u, 12u, 11u, 10u, 15u, 14u, 13u,
128u, 128u, 128u, 128u, 128u, 128u, 128u, 128u};
// Shuffle table for converting ARGB to RGB24.
static const uvec8 kShuffleMaskARGBToRGB24 = {
0u, 1u, 2u, 4u, 5u, 6u, 8u, 9u, 10u, 12u, 13u, 14u, 128u, 128u, 128u, 128u};
// Shuffle table for converting ARGB to RAW.
static const uvec8 kShuffleMaskARGBToRAW = {
2u, 1u, 0u, 6u, 5u, 4u, 10u, 9u, 8u, 14u, 13u, 12u, 128u, 128u, 128u, 128u};
// Shuffle table for converting ARGBToRGB24 for I422ToRGB24. First 8 + next 4
static const uvec8 kShuffleMaskARGBToRGB24_0 = {
0u, 1u, 2u, 4u, 5u, 6u, 8u, 9u, 128u, 128u, 128u, 128u, 10u, 12u, 13u, 14u};
// YUY2 shuf 16 Y to 32 Y.
static const lvec8 kShuffleYUY2Y = {0, 0, 2, 2, 4, 4, 6, 6, 8, 8, 10,
10, 12, 12, 14, 14, 0, 0, 2, 2, 4, 4,
6, 6, 8, 8, 10, 10, 12, 12, 14, 14};
// YUY2 shuf 8 UV to 16 UV.
static const lvec8 kShuffleYUY2UV = {1, 3, 1, 3, 5, 7, 5, 7, 9, 11, 9,
11, 13, 15, 13, 15, 1, 3, 1, 3, 5, 7,
5, 7, 9, 11, 9, 11, 13, 15, 13, 15};
// UYVY shuf 16 Y to 32 Y.
static const lvec8 kShuffleUYVYY = {1, 1, 3, 3, 5, 5, 7, 7, 9, 9, 11,
11, 13, 13, 15, 15, 1, 1, 3, 3, 5, 5,
7, 7, 9, 9, 11, 11, 13, 13, 15, 15};
// UYVY shuf 8 UV to 16 UV.
static const lvec8 kShuffleUYVYUV = {0, 2, 0, 2, 4, 6, 4, 6, 8, 10, 8,
10, 12, 14, 12, 14, 0, 2, 0, 2, 4, 6,
4, 6, 8, 10, 8, 10, 12, 14, 12, 14};
// NV21 shuf 8 VU to 16 UV.
static const lvec8 kShuffleNV21 = {
1, 0, 1, 0, 3, 2, 3, 2, 5, 4, 5, 4, 7, 6, 7, 6,
1, 0, 1, 0, 3, 2, 3, 2, 5, 4, 5, 4, 7, 6, 7, 6,
};
// Duplicates gray value 3 times and fills in alpha opaque.
__declspec(naked) void J400ToARGBRow_SSE2(const uint8_t* src_y,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, [esp + 4] // src_y
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
pcmpeqb xmm5, xmm5 // generate mask 0xff000000
pslld xmm5, 24
convertloop:
movq xmm0, qword ptr [eax]
lea eax, [eax + 8]
punpcklbw xmm0, xmm0
movdqa xmm1, xmm0
punpcklwd xmm0, xmm0
punpckhwd xmm1, xmm1
por xmm0, xmm5
por xmm1, xmm5
movdqu [edx], xmm0
movdqu [edx + 16], xmm1
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
ret
}
}
#ifdef HAS_J400TOARGBROW_AVX2
// Duplicates gray value 3 times and fills in alpha opaque.
__declspec(naked) void J400ToARGBRow_AVX2(const uint8_t* src_y,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, [esp + 4] // src_y
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0xff000000
vpslld ymm5, ymm5, 24
convertloop:
vmovdqu xmm0, [eax]
lea eax, [eax + 16]
vpermq ymm0, ymm0, 0xd8
vpunpcklbw ymm0, ymm0, ymm0
vpermq ymm0, ymm0, 0xd8
vpunpckhwd ymm1, ymm0, ymm0
vpunpcklwd ymm0, ymm0, ymm0
vpor ymm0, ymm0, ymm5
vpor ymm1, ymm1, ymm5
vmovdqu [edx], ymm0
vmovdqu [edx + 32], ymm1
lea edx, [edx + 64]
sub ecx, 16
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_J400TOARGBROW_AVX2
__declspec(naked) void RGB24ToARGBRow_SSSE3(const uint8_t* src_rgb24,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, [esp + 4] // src_rgb24
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
pcmpeqb xmm5, xmm5 // generate mask 0xff000000
pslld xmm5, 24
movdqa xmm4, xmmword ptr kShuffleMaskRGB24ToARGB
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm3, [eax + 32]
lea eax, [eax + 48]
movdqa xmm2, xmm3
palignr xmm2, xmm1, 8 // xmm2 = { xmm3[0:3] xmm1[8:15]}
pshufb xmm2, xmm4
por xmm2, xmm5
palignr xmm1, xmm0, 12 // xmm1 = { xmm3[0:7] xmm0[12:15]}
pshufb xmm0, xmm4
movdqu [edx + 32], xmm2
por xmm0, xmm5
pshufb xmm1, xmm4
movdqu [edx], xmm0
por xmm1, xmm5
palignr xmm3, xmm3, 4 // xmm3 = { xmm3[4:15]}
pshufb xmm3, xmm4
movdqu [edx + 16], xmm1
por xmm3, xmm5
movdqu [edx + 48], xmm3
lea edx, [edx + 64]
sub ecx, 16
jg convertloop
ret
}
}
__declspec(naked) void RAWToARGBRow_SSSE3(const uint8_t* src_raw,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, [esp + 4] // src_raw
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
pcmpeqb xmm5, xmm5 // generate mask 0xff000000
pslld xmm5, 24
movdqa xmm4, xmmword ptr kShuffleMaskRAWToARGB
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm3, [eax + 32]
lea eax, [eax + 48]
movdqa xmm2, xmm3
palignr xmm2, xmm1, 8 // xmm2 = { xmm3[0:3] xmm1[8:15]}
pshufb xmm2, xmm4
por xmm2, xmm5
palignr xmm1, xmm0, 12 // xmm1 = { xmm3[0:7] xmm0[12:15]}
pshufb xmm0, xmm4
movdqu [edx + 32], xmm2
por xmm0, xmm5
pshufb xmm1, xmm4
movdqu [edx], xmm0
por xmm1, xmm5
palignr xmm3, xmm3, 4 // xmm3 = { xmm3[4:15]}
pshufb xmm3, xmm4
movdqu [edx + 16], xmm1
por xmm3, xmm5
movdqu [edx + 48], xmm3
lea edx, [edx + 64]
sub ecx, 16
jg convertloop
ret
}
}
__declspec(naked) void RAWToRGB24Row_SSSE3(const uint8_t* src_raw,
uint8_t* dst_rgb24,
int width) {
__asm {
mov eax, [esp + 4] // src_raw
mov edx, [esp + 8] // dst_rgb24
mov ecx, [esp + 12] // width
movdqa xmm3, xmmword ptr kShuffleMaskRAWToRGB24_0
movdqa xmm4, xmmword ptr kShuffleMaskRAWToRGB24_1
movdqa xmm5, xmmword ptr kShuffleMaskRAWToRGB24_2
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 4]
movdqu xmm2, [eax + 8]
lea eax, [eax + 24]
pshufb xmm0, xmm3
pshufb xmm1, xmm4
pshufb xmm2, xmm5
movq qword ptr [edx], xmm0
movq qword ptr [edx + 8], xmm1
movq qword ptr [edx + 16], xmm2
lea edx, [edx + 24]
sub ecx, 8
jg convertloop
ret
}
}
// pmul method to replicate bits.
// Math to replicate bits:
// (v << 8) | (v << 3)
// v * 256 + v * 8
// v * (256 + 8)
// G shift of 5 is incorporated, so shift is 5 + 8 and 5 + 3
// 20 instructions.
__declspec(naked) void RGB565ToARGBRow_SSE2(const uint8_t* src_rgb565,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, 0x01080108 // generate multiplier to repeat 5 bits
movd xmm5, eax
pshufd xmm5, xmm5, 0
mov eax, 0x20802080 // multiplier shift by 5 and then repeat 6 bits
movd xmm6, eax
pshufd xmm6, xmm6, 0
pcmpeqb xmm3, xmm3 // generate mask 0xf800f800 for Red
psllw xmm3, 11
pcmpeqb xmm4, xmm4 // generate mask 0x07e007e0 for Green
psllw xmm4, 10
psrlw xmm4, 5
pcmpeqb xmm7, xmm7 // generate mask 0xff00ff00 for Alpha
psllw xmm7, 8
mov eax, [esp + 4] // src_rgb565
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
sub edx, eax
sub edx, eax
convertloop:
movdqu xmm0, [eax] // fetch 8 pixels of bgr565
movdqa xmm1, xmm0
movdqa xmm2, xmm0
pand xmm1, xmm3 // R in upper 5 bits
psllw xmm2, 11 // B in upper 5 bits
pmulhuw xmm1, xmm5 // * (256 + 8)
pmulhuw xmm2, xmm5 // * (256 + 8)
psllw xmm1, 8
por xmm1, xmm2 // RB
pand xmm0, xmm4 // G in middle 6 bits
pmulhuw xmm0, xmm6 // << 5 * (256 + 4)
por xmm0, xmm7 // AG
movdqa xmm2, xmm1
punpcklbw xmm1, xmm0
punpckhbw xmm2, xmm0
movdqu [eax * 2 + edx], xmm1 // store 4 pixels of ARGB
movdqu [eax * 2 + edx + 16], xmm2 // store next 4 pixels of ARGB
lea eax, [eax + 16]
sub ecx, 8
jg convertloop
ret
}
}
#ifdef HAS_RGB565TOARGBROW_AVX2
// pmul method to replicate bits.
// Math to replicate bits:
// (v << 8) | (v << 3)
// v * 256 + v * 8
// v * (256 + 8)
// G shift of 5 is incorporated, so shift is 5 + 8 and 5 + 3
__declspec(naked) void RGB565ToARGBRow_AVX2(const uint8_t* src_rgb565,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, 0x01080108 // generate multiplier to repeat 5 bits
vmovd xmm5, eax
vbroadcastss ymm5, xmm5
mov eax, 0x20802080 // multiplier shift by 5 and then repeat 6 bits
vmovd xmm6, eax
vbroadcastss ymm6, xmm6
vpcmpeqb ymm3, ymm3, ymm3 // generate mask 0xf800f800 for Red
vpsllw ymm3, ymm3, 11
vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0x07e007e0 for Green
vpsllw ymm4, ymm4, 10
vpsrlw ymm4, ymm4, 5
vpcmpeqb ymm7, ymm7, ymm7 // generate mask 0xff00ff00 for Alpha
vpsllw ymm7, ymm7, 8
mov eax, [esp + 4] // src_rgb565
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
sub edx, eax
sub edx, eax
convertloop:
vmovdqu ymm0, [eax] // fetch 16 pixels of bgr565
vpand ymm1, ymm0, ymm3 // R in upper 5 bits
vpsllw ymm2, ymm0, 11 // B in upper 5 bits
vpmulhuw ymm1, ymm1, ymm5 // * (256 + 8)
vpmulhuw ymm2, ymm2, ymm5 // * (256 + 8)
vpsllw ymm1, ymm1, 8
vpor ymm1, ymm1, ymm2 // RB
vpand ymm0, ymm0, ymm4 // G in middle 6 bits
vpmulhuw ymm0, ymm0, ymm6 // << 5 * (256 + 4)
vpor ymm0, ymm0, ymm7 // AG
vpermq ymm0, ymm0, 0xd8 // mutate for unpack
vpermq ymm1, ymm1, 0xd8
vpunpckhbw ymm2, ymm1, ymm0
vpunpcklbw ymm1, ymm1, ymm0
vmovdqu [eax * 2 + edx], ymm1 // store 4 pixels of ARGB
vmovdqu [eax * 2 + edx + 32], ymm2 // store next 4 pixels of ARGB
lea eax, [eax + 32]
sub ecx, 16
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_RGB565TOARGBROW_AVX2
#ifdef HAS_ARGB1555TOARGBROW_AVX2
__declspec(naked) void ARGB1555ToARGBRow_AVX2(const uint8_t* src_argb1555,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, 0x01080108 // generate multiplier to repeat 5 bits
vmovd xmm5, eax
vbroadcastss ymm5, xmm5
mov eax, 0x42004200 // multiplier shift by 6 and then repeat 5 bits
vmovd xmm6, eax
vbroadcastss ymm6, xmm6
vpcmpeqb ymm3, ymm3, ymm3 // generate mask 0xf800f800 for Red
vpsllw ymm3, ymm3, 11
vpsrlw ymm4, ymm3, 6 // generate mask 0x03e003e0 for Green
vpcmpeqb ymm7, ymm7, ymm7 // generate mask 0xff00ff00 for Alpha
vpsllw ymm7, ymm7, 8
mov eax, [esp + 4] // src_argb1555
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
sub edx, eax
sub edx, eax
convertloop:
vmovdqu ymm0, [eax] // fetch 16 pixels of 1555
vpsllw ymm1, ymm0, 1 // R in upper 5 bits
vpsllw ymm2, ymm0, 11 // B in upper 5 bits
vpand ymm1, ymm1, ymm3
vpmulhuw ymm2, ymm2, ymm5 // * (256 + 8)
vpmulhuw ymm1, ymm1, ymm5 // * (256 + 8)
vpsllw ymm1, ymm1, 8
vpor ymm1, ymm1, ymm2 // RB
vpsraw ymm2, ymm0, 8 // A
vpand ymm0, ymm0, ymm4 // G in middle 5 bits
vpmulhuw ymm0, ymm0, ymm6 // << 6 * (256 + 8)
vpand ymm2, ymm2, ymm7
vpor ymm0, ymm0, ymm2 // AG
vpermq ymm0, ymm0, 0xd8 // mutate for unpack
vpermq ymm1, ymm1, 0xd8
vpunpckhbw ymm2, ymm1, ymm0
vpunpcklbw ymm1, ymm1, ymm0
vmovdqu [eax * 2 + edx], ymm1 // store 8 pixels of ARGB
vmovdqu [eax * 2 + edx + 32], ymm2 // store next 8 pixels of ARGB
lea eax, [eax + 32]
sub ecx, 16
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGB1555TOARGBROW_AVX2
#ifdef HAS_ARGB4444TOARGBROW_AVX2
__declspec(naked) void ARGB4444ToARGBRow_AVX2(const uint8_t* src_argb4444,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, 0x0f0f0f0f // generate mask 0x0f0f0f0f
vmovd xmm4, eax
vbroadcastss ymm4, xmm4
vpslld ymm5, ymm4, 4 // 0xf0f0f0f0 for high nibbles
mov eax, [esp + 4] // src_argb4444
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
sub edx, eax
sub edx, eax
convertloop:
vmovdqu ymm0, [eax] // fetch 16 pixels of bgra4444
vpand ymm2, ymm0, ymm5 // mask high nibbles
vpand ymm0, ymm0, ymm4 // mask low nibbles
vpsrlw ymm3, ymm2, 4
vpsllw ymm1, ymm0, 4
vpor ymm2, ymm2, ymm3
vpor ymm0, ymm0, ymm1
vpermq ymm0, ymm0, 0xd8 // mutate for unpack
vpermq ymm2, ymm2, 0xd8
vpunpckhbw ymm1, ymm0, ymm2
vpunpcklbw ymm0, ymm0, ymm2
vmovdqu [eax * 2 + edx], ymm0 // store 8 pixels of ARGB
vmovdqu [eax * 2 + edx + 32], ymm1 // store next 8 pixels of ARGB
lea eax, [eax + 32]
sub ecx, 16
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGB4444TOARGBROW_AVX2
// 24 instructions
__declspec(naked) void ARGB1555ToARGBRow_SSE2(const uint8_t* src_argb1555,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, 0x01080108 // generate multiplier to repeat 5 bits
movd xmm5, eax
pshufd xmm5, xmm5, 0
mov eax, 0x42004200 // multiplier shift by 6 and then repeat 5 bits
movd xmm6, eax
pshufd xmm6, xmm6, 0
pcmpeqb xmm3, xmm3 // generate mask 0xf800f800 for Red
psllw xmm3, 11
movdqa xmm4, xmm3 // generate mask 0x03e003e0 for Green
psrlw xmm4, 6
pcmpeqb xmm7, xmm7 // generate mask 0xff00ff00 for Alpha
psllw xmm7, 8
mov eax, [esp + 4] // src_argb1555
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
sub edx, eax
sub edx, eax
convertloop:
movdqu xmm0, [eax] // fetch 8 pixels of 1555
movdqa xmm1, xmm0
movdqa xmm2, xmm0
psllw xmm1, 1 // R in upper 5 bits
psllw xmm2, 11 // B in upper 5 bits
pand xmm1, xmm3
pmulhuw xmm2, xmm5 // * (256 + 8)
pmulhuw xmm1, xmm5 // * (256 + 8)
psllw xmm1, 8
por xmm1, xmm2 // RB
movdqa xmm2, xmm0
pand xmm0, xmm4 // G in middle 5 bits
psraw xmm2, 8 // A
pmulhuw xmm0, xmm6 // << 6 * (256 + 8)
pand xmm2, xmm7
por xmm0, xmm2 // AG
movdqa xmm2, xmm1
punpcklbw xmm1, xmm0
punpckhbw xmm2, xmm0
movdqu [eax * 2 + edx], xmm1 // store 4 pixels of ARGB
movdqu [eax * 2 + edx + 16], xmm2 // store next 4 pixels of ARGB
lea eax, [eax + 16]
sub ecx, 8
jg convertloop
ret
}
}
// 18 instructions.
__declspec(naked) void ARGB4444ToARGBRow_SSE2(const uint8_t* src_argb4444,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, 0x0f0f0f0f // generate mask 0x0f0f0f0f
movd xmm4, eax
pshufd xmm4, xmm4, 0
movdqa xmm5, xmm4 // 0xf0f0f0f0 for high nibbles
pslld xmm5, 4
mov eax, [esp + 4] // src_argb4444
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
sub edx, eax
sub edx, eax
convertloop:
movdqu xmm0, [eax] // fetch 8 pixels of bgra4444
movdqa xmm2, xmm0
pand xmm0, xmm4 // mask low nibbles
pand xmm2, xmm5 // mask high nibbles
movdqa xmm1, xmm0
movdqa xmm3, xmm2
psllw xmm1, 4
psrlw xmm3, 4
por xmm0, xmm1
por xmm2, xmm3
movdqa xmm1, xmm0
punpcklbw xmm0, xmm2
punpckhbw xmm1, xmm2
movdqu [eax * 2 + edx], xmm0 // store 4 pixels of ARGB
movdqu [eax * 2 + edx + 16], xmm1 // store next 4 pixels of ARGB
lea eax, [eax + 16]
sub ecx, 8
jg convertloop
ret
}
}
__declspec(naked) void ARGBToRGB24Row_SSSE3(const uint8_t* src_argb,
uint8_t* dst_rgb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
mov ecx, [esp + 12] // width
movdqa xmm6, xmmword ptr kShuffleMaskARGBToRGB24
convertloop:
movdqu xmm0, [eax] // fetch 16 pixels of argb
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
lea eax, [eax + 64]
pshufb xmm0, xmm6 // pack 16 bytes of ARGB to 12 bytes of RGB
pshufb xmm1, xmm6
pshufb xmm2, xmm6
pshufb xmm3, xmm6
movdqa xmm4, xmm1 // 4 bytes from 1 for 0
psrldq xmm1, 4 // 8 bytes from 1
pslldq xmm4, 12 // 4 bytes from 1 for 0
movdqa xmm5, xmm2 // 8 bytes from 2 for 1
por xmm0, xmm4 // 4 bytes from 1 for 0
pslldq xmm5, 8 // 8 bytes from 2 for 1
movdqu [edx], xmm0 // store 0
por xmm1, xmm5 // 8 bytes from 2 for 1
psrldq xmm2, 8 // 4 bytes from 2
pslldq xmm3, 4 // 12 bytes from 3 for 2
por xmm2, xmm3 // 12 bytes from 3 for 2
movdqu [edx + 16], xmm1 // store 1
movdqu [edx + 32], xmm2 // store 2
lea edx, [edx + 48]
sub ecx, 16
jg convertloop
ret
}
}
__declspec(naked) void ARGBToRAWRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_rgb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
mov ecx, [esp + 12] // width
movdqa xmm6, xmmword ptr kShuffleMaskARGBToRAW
convertloop:
movdqu xmm0, [eax] // fetch 16 pixels of argb
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
lea eax, [eax + 64]
pshufb xmm0, xmm6 // pack 16 bytes of ARGB to 12 bytes of RGB
pshufb xmm1, xmm6
pshufb xmm2, xmm6
pshufb xmm3, xmm6
movdqa xmm4, xmm1 // 4 bytes from 1 for 0
psrldq xmm1, 4 // 8 bytes from 1
pslldq xmm4, 12 // 4 bytes from 1 for 0
movdqa xmm5, xmm2 // 8 bytes from 2 for 1
por xmm0, xmm4 // 4 bytes from 1 for 0
pslldq xmm5, 8 // 8 bytes from 2 for 1
movdqu [edx], xmm0 // store 0
por xmm1, xmm5 // 8 bytes from 2 for 1
psrldq xmm2, 8 // 4 bytes from 2
pslldq xmm3, 4 // 12 bytes from 3 for 2
por xmm2, xmm3 // 12 bytes from 3 for 2
movdqu [edx + 16], xmm1 // store 1
movdqu [edx + 32], xmm2 // store 2
lea edx, [edx + 48]
sub ecx, 16
jg convertloop
ret
}
}
__declspec(naked) void ARGBToRGB565Row_SSE2(const uint8_t* src_argb,
uint8_t* dst_rgb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
mov ecx, [esp + 12] // width
pcmpeqb xmm3, xmm3 // generate mask 0x0000001f
psrld xmm3, 27
pcmpeqb xmm4, xmm4 // generate mask 0x000007e0
psrld xmm4, 26
pslld xmm4, 5
pcmpeqb xmm5, xmm5 // generate mask 0xfffff800
pslld xmm5, 11
convertloop:
movdqu xmm0, [eax] // fetch 4 pixels of argb
movdqa xmm1, xmm0 // B
movdqa xmm2, xmm0 // G
pslld xmm0, 8 // R
psrld xmm1, 3 // B
psrld xmm2, 5 // G
psrad xmm0, 16 // R
pand xmm1, xmm3 // B
pand xmm2, xmm4 // G
pand xmm0, xmm5 // R
por xmm1, xmm2 // BG
por xmm0, xmm1 // BGR
packssdw xmm0, xmm0
lea eax, [eax + 16]
movq qword ptr [edx], xmm0 // store 4 pixels of RGB565
lea edx, [edx + 8]
sub ecx, 4
jg convertloop
ret
}
}
__declspec(naked) void ARGBToRGB565DitherRow_SSE2(const uint8_t* src_argb,
uint8_t* dst_rgb,
const uint32_t dither4,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
movd xmm6, [esp + 12] // dither4
mov ecx, [esp + 16] // width
punpcklbw xmm6, xmm6 // make dither 16 bytes
movdqa xmm7, xmm6
punpcklwd xmm6, xmm6
punpckhwd xmm7, xmm7
pcmpeqb xmm3, xmm3 // generate mask 0x0000001f
psrld xmm3, 27
pcmpeqb xmm4, xmm4 // generate mask 0x000007e0
psrld xmm4, 26
pslld xmm4, 5
pcmpeqb xmm5, xmm5 // generate mask 0xfffff800
pslld xmm5, 11
convertloop:
movdqu xmm0, [eax] // fetch 4 pixels of argb
paddusb xmm0, xmm6 // add dither
movdqa xmm1, xmm0 // B
movdqa xmm2, xmm0 // G
pslld xmm0, 8 // R
psrld xmm1, 3 // B
psrld xmm2, 5 // G
psrad xmm0, 16 // R
pand xmm1, xmm3 // B
pand xmm2, xmm4 // G
pand xmm0, xmm5 // R
por xmm1, xmm2 // BG
por xmm0, xmm1 // BGR
packssdw xmm0, xmm0
lea eax, [eax + 16]
movq qword ptr [edx], xmm0 // store 4 pixels of RGB565
lea edx, [edx + 8]
sub ecx, 4
jg convertloop
ret
}
}
#ifdef HAS_ARGBTORGB565DITHERROW_AVX2
__declspec(naked) void ARGBToRGB565DitherRow_AVX2(const uint8_t* src_argb,
uint8_t* dst_rgb,
const uint32_t dither4,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
vbroadcastss xmm6, [esp + 12] // dither4
mov ecx, [esp + 16] // width
vpunpcklbw xmm6, xmm6, xmm6 // make dither 32 bytes
vpermq ymm6, ymm6, 0xd8
vpunpcklwd ymm6, ymm6, ymm6
vpcmpeqb ymm3, ymm3, ymm3 // generate mask 0x0000001f
vpsrld ymm3, ymm3, 27
vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0x000007e0
vpsrld ymm4, ymm4, 26
vpslld ymm4, ymm4, 5
vpslld ymm5, ymm3, 11 // generate mask 0x0000f800
convertloop:
vmovdqu ymm0, [eax] // fetch 8 pixels of argb
vpaddusb ymm0, ymm0, ymm6 // add dither
vpsrld ymm2, ymm0, 5 // G
vpsrld ymm1, ymm0, 3 // B
vpsrld ymm0, ymm0, 8 // R
vpand ymm2, ymm2, ymm4 // G
vpand ymm1, ymm1, ymm3 // B
vpand ymm0, ymm0, ymm5 // R
vpor ymm1, ymm1, ymm2 // BG
vpor ymm0, ymm0, ymm1 // BGR
vpackusdw ymm0, ymm0, ymm0
vpermq ymm0, ymm0, 0xd8
lea eax, [eax + 32]
vmovdqu [edx], xmm0 // store 8 pixels of RGB565
lea edx, [edx + 16]
sub ecx, 8
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBTORGB565DITHERROW_AVX2
// TODO(fbarchard): Improve sign extension/packing.
__declspec(naked) void ARGBToARGB1555Row_SSE2(const uint8_t* src_argb,
uint8_t* dst_rgb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
mov ecx, [esp + 12] // width
pcmpeqb xmm4, xmm4 // generate mask 0x0000001f
psrld xmm4, 27
movdqa xmm5, xmm4 // generate mask 0x000003e0
pslld xmm5, 5
movdqa xmm6, xmm4 // generate mask 0x00007c00
pslld xmm6, 10
pcmpeqb xmm7, xmm7 // generate mask 0xffff8000
pslld xmm7, 15
convertloop:
movdqu xmm0, [eax] // fetch 4 pixels of argb
movdqa xmm1, xmm0 // B
movdqa xmm2, xmm0 // G
movdqa xmm3, xmm0 // R
psrad xmm0, 16 // A
psrld xmm1, 3 // B
psrld xmm2, 6 // G
psrld xmm3, 9 // R
pand xmm0, xmm7 // A
pand xmm1, xmm4 // B
pand xmm2, xmm5 // G
pand xmm3, xmm6 // R
por xmm0, xmm1 // BA
por xmm2, xmm3 // GR
por xmm0, xmm2 // BGRA
packssdw xmm0, xmm0
lea eax, [eax + 16]
movq qword ptr [edx], xmm0 // store 4 pixels of ARGB1555
lea edx, [edx + 8]
sub ecx, 4
jg convertloop
ret
}
}
__declspec(naked) void ARGBToARGB4444Row_SSE2(const uint8_t* src_argb,
uint8_t* dst_rgb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
mov ecx, [esp + 12] // width
pcmpeqb xmm4, xmm4 // generate mask 0xf000f000
psllw xmm4, 12
movdqa xmm3, xmm4 // generate mask 0x00f000f0
psrlw xmm3, 8
convertloop:
movdqu xmm0, [eax] // fetch 4 pixels of argb
movdqa xmm1, xmm0
pand xmm0, xmm3 // low nibble
pand xmm1, xmm4 // high nibble
psrld xmm0, 4
psrld xmm1, 8
por xmm0, xmm1
packuswb xmm0, xmm0
lea eax, [eax + 16]
movq qword ptr [edx], xmm0 // store 4 pixels of ARGB4444
lea edx, [edx + 8]
sub ecx, 4
jg convertloop
ret
}
}
#ifdef HAS_ARGBTORGB565ROW_AVX2
__declspec(naked) void ARGBToRGB565Row_AVX2(const uint8_t* src_argb,
uint8_t* dst_rgb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
mov ecx, [esp + 12] // width
vpcmpeqb ymm3, ymm3, ymm3 // generate mask 0x0000001f
vpsrld ymm3, ymm3, 27
vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0x000007e0
vpsrld ymm4, ymm4, 26
vpslld ymm4, ymm4, 5
vpslld ymm5, ymm3, 11 // generate mask 0x0000f800
convertloop:
vmovdqu ymm0, [eax] // fetch 8 pixels of argb
vpsrld ymm2, ymm0, 5 // G
vpsrld ymm1, ymm0, 3 // B
vpsrld ymm0, ymm0, 8 // R
vpand ymm2, ymm2, ymm4 // G
vpand ymm1, ymm1, ymm3 // B
vpand ymm0, ymm0, ymm5 // R
vpor ymm1, ymm1, ymm2 // BG
vpor ymm0, ymm0, ymm1 // BGR
vpackusdw ymm0, ymm0, ymm0
vpermq ymm0, ymm0, 0xd8
lea eax, [eax + 32]
vmovdqu [edx], xmm0 // store 8 pixels of RGB565
lea edx, [edx + 16]
sub ecx, 8
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBTORGB565ROW_AVX2
#ifdef HAS_ARGBTOARGB1555ROW_AVX2
__declspec(naked) void ARGBToARGB1555Row_AVX2(const uint8_t* src_argb,
uint8_t* dst_rgb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
mov ecx, [esp + 12] // width
vpcmpeqb ymm4, ymm4, ymm4
vpsrld ymm4, ymm4, 27 // generate mask 0x0000001f
vpslld ymm5, ymm4, 5 // generate mask 0x000003e0
vpslld ymm6, ymm4, 10 // generate mask 0x00007c00
vpcmpeqb ymm7, ymm7, ymm7 // generate mask 0xffff8000
vpslld ymm7, ymm7, 15
convertloop:
vmovdqu ymm0, [eax] // fetch 8 pixels of argb
vpsrld ymm3, ymm0, 9 // R
vpsrld ymm2, ymm0, 6 // G
vpsrld ymm1, ymm0, 3 // B
vpsrad ymm0, ymm0, 16 // A
vpand ymm3, ymm3, ymm6 // R
vpand ymm2, ymm2, ymm5 // G
vpand ymm1, ymm1, ymm4 // B
vpand ymm0, ymm0, ymm7 // A
vpor ymm0, ymm0, ymm1 // BA
vpor ymm2, ymm2, ymm3 // GR
vpor ymm0, ymm0, ymm2 // BGRA
vpackssdw ymm0, ymm0, ymm0
vpermq ymm0, ymm0, 0xd8
lea eax, [eax + 32]
vmovdqu [edx], xmm0 // store 8 pixels of ARGB1555
lea edx, [edx + 16]
sub ecx, 8
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBTOARGB1555ROW_AVX2
#ifdef HAS_ARGBTOARGB4444ROW_AVX2
__declspec(naked) void ARGBToARGB4444Row_AVX2(const uint8_t* src_argb,
uint8_t* dst_rgb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_rgb
mov ecx, [esp + 12] // width
vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0xf000f000
vpsllw ymm4, ymm4, 12
vpsrlw ymm3, ymm4, 8 // generate mask 0x00f000f0
convertloop:
vmovdqu ymm0, [eax] // fetch 8 pixels of argb
vpand ymm1, ymm0, ymm4 // high nibble
vpand ymm0, ymm0, ymm3 // low nibble
vpsrld ymm1, ymm1, 8
vpsrld ymm0, ymm0, 4
vpor ymm0, ymm0, ymm1
vpackuswb ymm0, ymm0, ymm0
vpermq ymm0, ymm0, 0xd8
lea eax, [eax + 32]
vmovdqu [edx], xmm0 // store 8 pixels of ARGB4444
lea edx, [edx + 16]
sub ecx, 8
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBTOARGB4444ROW_AVX2
// Convert 16 ARGB pixels (64 bytes) to 16 Y values.
__declspec(naked) void ARGBToYRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_y */
mov ecx, [esp + 12] /* width */
movdqa xmm4, xmmword ptr kARGBToY
movdqa xmm5, xmmword ptr kAddY16
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
pmaddubsw xmm0, xmm4
pmaddubsw xmm1, xmm4
pmaddubsw xmm2, xmm4
pmaddubsw xmm3, xmm4
lea eax, [eax + 64]
phaddw xmm0, xmm1
phaddw xmm2, xmm3
psrlw xmm0, 7
psrlw xmm2, 7
packuswb xmm0, xmm2
paddb xmm0, xmm5
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
ret
}
}
// Convert 16 ARGB pixels (64 bytes) to 16 YJ values.
// Same as ARGBToYRow but different coefficients, no add 16, but do rounding.
__declspec(naked) void ARGBToYJRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_y */
mov ecx, [esp + 12] /* width */
movdqa xmm4, xmmword ptr kARGBToYJ
movdqa xmm5, xmmword ptr kAddYJ64
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
pmaddubsw xmm0, xmm4
pmaddubsw xmm1, xmm4
pmaddubsw xmm2, xmm4
pmaddubsw xmm3, xmm4
lea eax, [eax + 64]
phaddw xmm0, xmm1
phaddw xmm2, xmm3
paddw xmm0, xmm5 // Add .5 for rounding.
paddw xmm2, xmm5
psrlw xmm0, 7
psrlw xmm2, 7
packuswb xmm0, xmm2
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
ret
}
}
#ifdef HAS_ARGBTOYROW_AVX2
// vpermd for vphaddw + vpackuswb vpermd.
static const lvec32 kPermdARGBToY_AVX = {0, 4, 1, 5, 2, 6, 3, 7};
// Convert 32 ARGB pixels (128 bytes) to 32 Y values.
__declspec(naked) void ARGBToYRow_AVX2(const uint8_t* src_argb,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_y */
mov ecx, [esp + 12] /* width */
vbroadcastf128 ymm4, xmmword ptr kARGBToY
vbroadcastf128 ymm5, xmmword ptr kAddY16
vmovdqu ymm6, ymmword ptr kPermdARGBToY_AVX
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
vmovdqu ymm2, [eax + 64]
vmovdqu ymm3, [eax + 96]
vpmaddubsw ymm0, ymm0, ymm4
vpmaddubsw ymm1, ymm1, ymm4
vpmaddubsw ymm2, ymm2, ymm4
vpmaddubsw ymm3, ymm3, ymm4
lea eax, [eax + 128]
vphaddw ymm0, ymm0, ymm1 // mutates.
vphaddw ymm2, ymm2, ymm3
vpsrlw ymm0, ymm0, 7
vpsrlw ymm2, ymm2, 7
vpackuswb ymm0, ymm0, ymm2 // mutates.
vpermd ymm0, ymm6, ymm0 // For vphaddw + vpackuswb mutation.
vpaddb ymm0, ymm0, ymm5 // add 16 for Y
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 32
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBTOYROW_AVX2
#ifdef HAS_ARGBTOYJROW_AVX2
// Convert 32 ARGB pixels (128 bytes) to 32 Y values.
__declspec(naked) void ARGBToYJRow_AVX2(const uint8_t* src_argb,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_y */
mov ecx, [esp + 12] /* width */
vbroadcastf128 ymm4, xmmword ptr kARGBToYJ
vbroadcastf128 ymm5, xmmword ptr kAddYJ64
vmovdqu ymm6, ymmword ptr kPermdARGBToY_AVX
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
vmovdqu ymm2, [eax + 64]
vmovdqu ymm3, [eax + 96]
vpmaddubsw ymm0, ymm0, ymm4
vpmaddubsw ymm1, ymm1, ymm4
vpmaddubsw ymm2, ymm2, ymm4
vpmaddubsw ymm3, ymm3, ymm4
lea eax, [eax + 128]
vphaddw ymm0, ymm0, ymm1 // mutates.
vphaddw ymm2, ymm2, ymm3
vpaddw ymm0, ymm0, ymm5 // Add .5 for rounding.
vpaddw ymm2, ymm2, ymm5
vpsrlw ymm0, ymm0, 7
vpsrlw ymm2, ymm2, 7
vpackuswb ymm0, ymm0, ymm2 // mutates.
vpermd ymm0, ymm6, ymm0 // For vphaddw + vpackuswb mutation.
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 32
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBTOYJROW_AVX2
__declspec(naked) void BGRAToYRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_y */
mov ecx, [esp + 12] /* width */
movdqa xmm4, xmmword ptr kBGRAToY
movdqa xmm5, xmmword ptr kAddY16
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
pmaddubsw xmm0, xmm4
pmaddubsw xmm1, xmm4
pmaddubsw xmm2, xmm4
pmaddubsw xmm3, xmm4
lea eax, [eax + 64]
phaddw xmm0, xmm1
phaddw xmm2, xmm3
psrlw xmm0, 7
psrlw xmm2, 7
packuswb xmm0, xmm2
paddb xmm0, xmm5
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
ret
}
}
__declspec(naked) void ABGRToYRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_y */
mov ecx, [esp + 12] /* width */
movdqa xmm4, xmmword ptr kABGRToY
movdqa xmm5, xmmword ptr kAddY16
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
pmaddubsw xmm0, xmm4
pmaddubsw xmm1, xmm4
pmaddubsw xmm2, xmm4
pmaddubsw xmm3, xmm4
lea eax, [eax + 64]
phaddw xmm0, xmm1
phaddw xmm2, xmm3
psrlw xmm0, 7
psrlw xmm2, 7
packuswb xmm0, xmm2
paddb xmm0, xmm5
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
ret
}
}
__declspec(naked) void RGBAToYRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_y */
mov ecx, [esp + 12] /* width */
movdqa xmm4, xmmword ptr kRGBAToY
movdqa xmm5, xmmword ptr kAddY16
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
pmaddubsw xmm0, xmm4
pmaddubsw xmm1, xmm4
pmaddubsw xmm2, xmm4
pmaddubsw xmm3, xmm4
lea eax, [eax + 64]
phaddw xmm0, xmm1
phaddw xmm2, xmm3
psrlw xmm0, 7
psrlw xmm2, 7
packuswb xmm0, xmm2
paddb xmm0, xmm5
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
ret
}
}
__declspec(naked) void ARGBToUVRow_SSSE3(const uint8_t* src_argb0,
int src_stride_argb,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_argb
mov esi, [esp + 8 + 8] // src_stride_argb
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
movdqa xmm5, xmmword ptr kAddUV128
movdqa xmm6, xmmword ptr kARGBToV
movdqa xmm7, xmmword ptr kARGBToU
sub edi, edx // stride from u to v
convertloop:
/* step 1 - subsample 16x2 argb pixels to 8x1 */
movdqu xmm0, [eax]
movdqu xmm4, [eax + esi]
pavgb xmm0, xmm4
movdqu xmm1, [eax + 16]
movdqu xmm4, [eax + esi + 16]
pavgb xmm1, xmm4
movdqu xmm2, [eax + 32]
movdqu xmm4, [eax + esi + 32]
pavgb xmm2, xmm4
movdqu xmm3, [eax + 48]
movdqu xmm4, [eax + esi + 48]
pavgb xmm3, xmm4
lea eax, [eax + 64]
movdqa xmm4, xmm0
shufps xmm0, xmm1, 0x88
shufps xmm4, xmm1, 0xdd
pavgb xmm0, xmm4
movdqa xmm4, xmm2
shufps xmm2, xmm3, 0x88
shufps xmm4, xmm3, 0xdd
pavgb xmm2, xmm4
// step 2 - convert to U and V
// from here down is very similar to Y code except
// instead of 16 different pixels, its 8 pixels of U and 8 of V
movdqa xmm1, xmm0
movdqa xmm3, xmm2
pmaddubsw xmm0, xmm7 // U
pmaddubsw xmm2, xmm7
pmaddubsw xmm1, xmm6 // V
pmaddubsw xmm3, xmm6
phaddw xmm0, xmm2
phaddw xmm1, xmm3
psraw xmm0, 8
psraw xmm1, 8
packsswb xmm0, xmm1
paddb xmm0, xmm5 // -> unsigned
// step 3 - store 8 U and 8 V values
movlps qword ptr [edx], xmm0 // U
movhps qword ptr [edx + edi], xmm0 // V
lea edx, [edx + 8]
sub ecx, 16
jg convertloop
pop edi
pop esi
ret
}
}
__declspec(naked) void ARGBToUVJRow_SSSE3(const uint8_t* src_argb0,
int src_stride_argb,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_argb
mov esi, [esp + 8 + 8] // src_stride_argb
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
movdqa xmm5, xmmword ptr kAddUVJ128
movdqa xmm6, xmmword ptr kARGBToVJ
movdqa xmm7, xmmword ptr kARGBToUJ
sub edi, edx // stride from u to v
convertloop:
/* step 1 - subsample 16x2 argb pixels to 8x1 */
movdqu xmm0, [eax]
movdqu xmm4, [eax + esi]
pavgb xmm0, xmm4
movdqu xmm1, [eax + 16]
movdqu xmm4, [eax + esi + 16]
pavgb xmm1, xmm4
movdqu xmm2, [eax + 32]
movdqu xmm4, [eax + esi + 32]
pavgb xmm2, xmm4
movdqu xmm3, [eax + 48]
movdqu xmm4, [eax + esi + 48]
pavgb xmm3, xmm4
lea eax, [eax + 64]
movdqa xmm4, xmm0
shufps xmm0, xmm1, 0x88
shufps xmm4, xmm1, 0xdd
pavgb xmm0, xmm4
movdqa xmm4, xmm2
shufps xmm2, xmm3, 0x88
shufps xmm4, xmm3, 0xdd
pavgb xmm2, xmm4
// step 2 - convert to U and V
// from here down is very similar to Y code except
// instead of 16 different pixels, its 8 pixels of U and 8 of V
movdqa xmm1, xmm0
movdqa xmm3, xmm2
pmaddubsw xmm0, xmm7 // U
pmaddubsw xmm2, xmm7
pmaddubsw xmm1, xmm6 // V
pmaddubsw xmm3, xmm6
phaddw xmm0, xmm2
phaddw xmm1, xmm3
paddw xmm0, xmm5 // +.5 rounding -> unsigned
paddw xmm1, xmm5
psraw xmm0, 8
psraw xmm1, 8
packsswb xmm0, xmm1
// step 3 - store 8 U and 8 V values
movlps qword ptr [edx], xmm0 // U
movhps qword ptr [edx + edi], xmm0 // V
lea edx, [edx + 8]
sub ecx, 16
jg convertloop
pop edi
pop esi
ret
}
}
#ifdef HAS_ARGBTOUVROW_AVX2
__declspec(naked) void ARGBToUVRow_AVX2(const uint8_t* src_argb0,
int src_stride_argb,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_argb
mov esi, [esp + 8 + 8] // src_stride_argb
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
vbroadcastf128 ymm5, xmmword ptr kAddUV128
vbroadcastf128 ymm6, xmmword ptr kARGBToV
vbroadcastf128 ymm7, xmmword ptr kARGBToU
sub edi, edx // stride from u to v
convertloop:
/* step 1 - subsample 32x2 argb pixels to 16x1 */
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
vmovdqu ymm2, [eax + 64]
vmovdqu ymm3, [eax + 96]
vpavgb ymm0, ymm0, [eax + esi]
vpavgb ymm1, ymm1, [eax + esi + 32]
vpavgb ymm2, ymm2, [eax + esi + 64]
vpavgb ymm3, ymm3, [eax + esi + 96]
lea eax, [eax + 128]
vshufps ymm4, ymm0, ymm1, 0x88
vshufps ymm0, ymm0, ymm1, 0xdd
vpavgb ymm0, ymm0, ymm4 // mutated by vshufps
vshufps ymm4, ymm2, ymm3, 0x88
vshufps ymm2, ymm2, ymm3, 0xdd
vpavgb ymm2, ymm2, ymm4 // mutated by vshufps
// step 2 - convert to U and V
// from here down is very similar to Y code except
// instead of 32 different pixels, its 16 pixels of U and 16 of V
vpmaddubsw ymm1, ymm0, ymm7 // U
vpmaddubsw ymm3, ymm2, ymm7
vpmaddubsw ymm0, ymm0, ymm6 // V
vpmaddubsw ymm2, ymm2, ymm6
vphaddw ymm1, ymm1, ymm3 // mutates
vphaddw ymm0, ymm0, ymm2
vpsraw ymm1, ymm1, 8
vpsraw ymm0, ymm0, 8
vpacksswb ymm0, ymm1, ymm0 // mutates
vpermq ymm0, ymm0, 0xd8 // For vpacksswb
vpshufb ymm0, ymm0, ymmword ptr kShufARGBToUV_AVX // for vshufps/vphaddw
vpaddb ymm0, ymm0, ymm5 // -> unsigned
// step 3 - store 16 U and 16 V values
vextractf128 [edx], ymm0, 0 // U
vextractf128 [edx + edi], ymm0, 1 // V
lea edx, [edx + 16]
sub ecx, 32
jg convertloop
pop edi
pop esi
vzeroupper
ret
}
}
#endif // HAS_ARGBTOUVROW_AVX2
#ifdef HAS_ARGBTOUVJROW_AVX2
__declspec(naked) void ARGBToUVJRow_AVX2(const uint8_t* src_argb0,
int src_stride_argb,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_argb
mov esi, [esp + 8 + 8] // src_stride_argb
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
vbroadcastf128 ymm5, xmmword ptr kAddUV128
vbroadcastf128 ymm6, xmmword ptr kARGBToV
vbroadcastf128 ymm7, xmmword ptr kARGBToU
sub edi, edx // stride from u to v
convertloop:
/* step 1 - subsample 32x2 argb pixels to 16x1 */
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
vmovdqu ymm2, [eax + 64]
vmovdqu ymm3, [eax + 96]
vpavgb ymm0, ymm0, [eax + esi]
vpavgb ymm1, ymm1, [eax + esi + 32]
vpavgb ymm2, ymm2, [eax + esi + 64]
vpavgb ymm3, ymm3, [eax + esi + 96]
lea eax, [eax + 128]
vshufps ymm4, ymm0, ymm1, 0x88
vshufps ymm0, ymm0, ymm1, 0xdd
vpavgb ymm0, ymm0, ymm4 // mutated by vshufps
vshufps ymm4, ymm2, ymm3, 0x88
vshufps ymm2, ymm2, ymm3, 0xdd
vpavgb ymm2, ymm2, ymm4 // mutated by vshufps
// step 2 - convert to U and V
// from here down is very similar to Y code except
// instead of 32 different pixels, its 16 pixels of U and 16 of V
vpmaddubsw ymm1, ymm0, ymm7 // U
vpmaddubsw ymm3, ymm2, ymm7
vpmaddubsw ymm0, ymm0, ymm6 // V
vpmaddubsw ymm2, ymm2, ymm6
vphaddw ymm1, ymm1, ymm3 // mutates
vphaddw ymm0, ymm0, ymm2
vpaddw ymm1, ymm1, ymm5 // +.5 rounding -> unsigned
vpaddw ymm0, ymm0, ymm5
vpsraw ymm1, ymm1, 8
vpsraw ymm0, ymm0, 8
vpacksswb ymm0, ymm1, ymm0 // mutates
vpermq ymm0, ymm0, 0xd8 // For vpacksswb
vpshufb ymm0, ymm0, ymmword ptr kShufARGBToUV_AVX // for vshufps/vphaddw
// step 3 - store 16 U and 16 V values
vextractf128 [edx], ymm0, 0 // U
vextractf128 [edx + edi], ymm0, 1 // V
lea edx, [edx + 16]
sub ecx, 32
jg convertloop
pop edi
pop esi
vzeroupper
ret
}
}
#endif // HAS_ARGBTOUVJROW_AVX2
__declspec(naked) void ARGBToUV444Row_SSSE3(const uint8_t* src_argb0,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src_argb
mov edx, [esp + 4 + 8] // dst_u
mov edi, [esp + 4 + 12] // dst_v
mov ecx, [esp + 4 + 16] // width
movdqa xmm5, xmmword ptr kAddUV128
movdqa xmm6, xmmword ptr kARGBToV
movdqa xmm7, xmmword ptr kARGBToU
sub edi, edx // stride from u to v
convertloop:
/* convert to U and V */
movdqu xmm0, [eax] // U
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
pmaddubsw xmm0, xmm7
pmaddubsw xmm1, xmm7
pmaddubsw xmm2, xmm7
pmaddubsw xmm3, xmm7
phaddw xmm0, xmm1
phaddw xmm2, xmm3
psraw xmm0, 8
psraw xmm2, 8
packsswb xmm0, xmm2
paddb xmm0, xmm5
movdqu [edx], xmm0
movdqu xmm0, [eax] // V
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
pmaddubsw xmm0, xmm6
pmaddubsw xmm1, xmm6
pmaddubsw xmm2, xmm6
pmaddubsw xmm3, xmm6
phaddw xmm0, xmm1
phaddw xmm2, xmm3
psraw xmm0, 8
psraw xmm2, 8
packsswb xmm0, xmm2
paddb xmm0, xmm5
lea eax, [eax + 64]
movdqu [edx + edi], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
pop edi
ret
}
}
__declspec(naked) void BGRAToUVRow_SSSE3(const uint8_t* src_argb0,
int src_stride_argb,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_argb
mov esi, [esp + 8 + 8] // src_stride_argb
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
movdqa xmm5, xmmword ptr kAddUV128
movdqa xmm6, xmmword ptr kBGRAToV
movdqa xmm7, xmmword ptr kBGRAToU
sub edi, edx // stride from u to v
convertloop:
/* step 1 - subsample 16x2 argb pixels to 8x1 */
movdqu xmm0, [eax]
movdqu xmm4, [eax + esi]
pavgb xmm0, xmm4
movdqu xmm1, [eax + 16]
movdqu xmm4, [eax + esi + 16]
pavgb xmm1, xmm4
movdqu xmm2, [eax + 32]
movdqu xmm4, [eax + esi + 32]
pavgb xmm2, xmm4
movdqu xmm3, [eax + 48]
movdqu xmm4, [eax + esi + 48]
pavgb xmm3, xmm4
lea eax, [eax + 64]
movdqa xmm4, xmm0
shufps xmm0, xmm1, 0x88
shufps xmm4, xmm1, 0xdd
pavgb xmm0, xmm4
movdqa xmm4, xmm2
shufps xmm2, xmm3, 0x88
shufps xmm4, xmm3, 0xdd
pavgb xmm2, xmm4
// step 2 - convert to U and V
// from here down is very similar to Y code except
// instead of 16 different pixels, its 8 pixels of U and 8 of V
movdqa xmm1, xmm0
movdqa xmm3, xmm2
pmaddubsw xmm0, xmm7 // U
pmaddubsw xmm2, xmm7
pmaddubsw xmm1, xmm6 // V
pmaddubsw xmm3, xmm6
phaddw xmm0, xmm2
phaddw xmm1, xmm3
psraw xmm0, 8
psraw xmm1, 8
packsswb xmm0, xmm1
paddb xmm0, xmm5 // -> unsigned
// step 3 - store 8 U and 8 V values
movlps qword ptr [edx], xmm0 // U
movhps qword ptr [edx + edi], xmm0 // V
lea edx, [edx + 8]
sub ecx, 16
jg convertloop
pop edi
pop esi
ret
}
}
__declspec(naked) void ABGRToUVRow_SSSE3(const uint8_t* src_argb0,
int src_stride_argb,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_argb
mov esi, [esp + 8 + 8] // src_stride_argb
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
movdqa xmm5, xmmword ptr kAddUV128
movdqa xmm6, xmmword ptr kABGRToV
movdqa xmm7, xmmword ptr kABGRToU
sub edi, edx // stride from u to v
convertloop:
/* step 1 - subsample 16x2 argb pixels to 8x1 */
movdqu xmm0, [eax]
movdqu xmm4, [eax + esi]
pavgb xmm0, xmm4
movdqu xmm1, [eax + 16]
movdqu xmm4, [eax + esi + 16]
pavgb xmm1, xmm4
movdqu xmm2, [eax + 32]
movdqu xmm4, [eax + esi + 32]
pavgb xmm2, xmm4
movdqu xmm3, [eax + 48]
movdqu xmm4, [eax + esi + 48]
pavgb xmm3, xmm4
lea eax, [eax + 64]
movdqa xmm4, xmm0
shufps xmm0, xmm1, 0x88
shufps xmm4, xmm1, 0xdd
pavgb xmm0, xmm4
movdqa xmm4, xmm2
shufps xmm2, xmm3, 0x88
shufps xmm4, xmm3, 0xdd
pavgb xmm2, xmm4
// step 2 - convert to U and V
// from here down is very similar to Y code except
// instead of 16 different pixels, its 8 pixels of U and 8 of V
movdqa xmm1, xmm0
movdqa xmm3, xmm2
pmaddubsw xmm0, xmm7 // U
pmaddubsw xmm2, xmm7
pmaddubsw xmm1, xmm6 // V
pmaddubsw xmm3, xmm6
phaddw xmm0, xmm2
phaddw xmm1, xmm3
psraw xmm0, 8
psraw xmm1, 8
packsswb xmm0, xmm1
paddb xmm0, xmm5 // -> unsigned
// step 3 - store 8 U and 8 V values
movlps qword ptr [edx], xmm0 // U
movhps qword ptr [edx + edi], xmm0 // V
lea edx, [edx + 8]
sub ecx, 16
jg convertloop
pop edi
pop esi
ret
}
}
__declspec(naked) void RGBAToUVRow_SSSE3(const uint8_t* src_argb0,
int src_stride_argb,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_argb
mov esi, [esp + 8 + 8] // src_stride_argb
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
movdqa xmm5, xmmword ptr kAddUV128
movdqa xmm6, xmmword ptr kRGBAToV
movdqa xmm7, xmmword ptr kRGBAToU
sub edi, edx // stride from u to v
convertloop:
/* step 1 - subsample 16x2 argb pixels to 8x1 */
movdqu xmm0, [eax]
movdqu xmm4, [eax + esi]
pavgb xmm0, xmm4
movdqu xmm1, [eax + 16]
movdqu xmm4, [eax + esi + 16]
pavgb xmm1, xmm4
movdqu xmm2, [eax + 32]
movdqu xmm4, [eax + esi + 32]
pavgb xmm2, xmm4
movdqu xmm3, [eax + 48]
movdqu xmm4, [eax + esi + 48]
pavgb xmm3, xmm4
lea eax, [eax + 64]
movdqa xmm4, xmm0
shufps xmm0, xmm1, 0x88
shufps xmm4, xmm1, 0xdd
pavgb xmm0, xmm4
movdqa xmm4, xmm2
shufps xmm2, xmm3, 0x88
shufps xmm4, xmm3, 0xdd
pavgb xmm2, xmm4
// step 2 - convert to U and V
// from here down is very similar to Y code except
// instead of 16 different pixels, its 8 pixels of U and 8 of V
movdqa xmm1, xmm0
movdqa xmm3, xmm2
pmaddubsw xmm0, xmm7 // U
pmaddubsw xmm2, xmm7
pmaddubsw xmm1, xmm6 // V
pmaddubsw xmm3, xmm6
phaddw xmm0, xmm2
phaddw xmm1, xmm3
psraw xmm0, 8
psraw xmm1, 8
packsswb xmm0, xmm1
paddb xmm0, xmm5 // -> unsigned
// step 3 - store 8 U and 8 V values
movlps qword ptr [edx], xmm0 // U
movhps qword ptr [edx + edi], xmm0 // V
lea edx, [edx + 8]
sub ecx, 16
jg convertloop
pop edi
pop esi
ret
}
}
#endif // HAS_ARGBTOYROW_SSSE3
// Read 16 UV from 444
#define READYUV444_AVX2 \
__asm { \
__asm vmovdqu xmm0, [esi] /* U */ \
__asm vmovdqu xmm1, [esi + edi] /* V */ \
__asm lea esi, [esi + 16] \
__asm vpermq ymm0, ymm0, 0xd8 \
__asm vpermq ymm1, ymm1, 0xd8 \
__asm vpunpcklbw ymm0, ymm0, ymm1 /* UV */ \
__asm vmovdqu xmm4, [eax] /* Y */ \
__asm vpermq ymm4, ymm4, 0xd8 \
__asm vpunpcklbw ymm4, ymm4, ymm4 \
__asm lea eax, [eax + 16]}
// Read 8 UV from 422, upsample to 16 UV.
#define READYUV422_AVX2 \
__asm { \
__asm vmovq xmm0, qword ptr [esi] /* U */ \
__asm vmovq xmm1, qword ptr [esi + edi] /* V */ \
__asm lea esi, [esi + 8] \
__asm vpunpcklbw ymm0, ymm0, ymm1 /* UV */ \
__asm vpermq ymm0, ymm0, 0xd8 \
__asm vpunpcklwd ymm0, ymm0, ymm0 /* UVUV (upsample) */ \
__asm vmovdqu xmm4, [eax] /* Y */ \
__asm vpermq ymm4, ymm4, 0xd8 \
__asm vpunpcklbw ymm4, ymm4, ymm4 \
__asm lea eax, [eax + 16]}
// Read 8 UV from 422, upsample to 16 UV. With 16 Alpha.
#define READYUVA422_AVX2 \
__asm { \
__asm vmovq xmm0, qword ptr [esi] /* U */ \
__asm vmovq xmm1, qword ptr [esi + edi] /* V */ \
__asm lea esi, [esi + 8] \
__asm vpunpcklbw ymm0, ymm0, ymm1 /* UV */ \
__asm vpermq ymm0, ymm0, 0xd8 \
__asm vpunpcklwd ymm0, ymm0, ymm0 /* UVUV (upsample) */ \
__asm vmovdqu xmm4, [eax] /* Y */ \
__asm vpermq ymm4, ymm4, 0xd8 \
__asm vpunpcklbw ymm4, ymm4, ymm4 \
__asm lea eax, [eax + 16] \
__asm vmovdqu xmm5, [ebp] /* A */ \
__asm vpermq ymm5, ymm5, 0xd8 \
__asm lea ebp, [ebp + 16]}
// Read 8 UV from NV12, upsample to 16 UV.
#define READNV12_AVX2 \
__asm { \
__asm vmovdqu xmm0, [esi] /* UV */ \
__asm lea esi, [esi + 16] \
__asm vpermq ymm0, ymm0, 0xd8 \
__asm vpunpcklwd ymm0, ymm0, ymm0 /* UVUV (upsample) */ \
__asm vmovdqu xmm4, [eax] /* Y */ \
__asm vpermq ymm4, ymm4, 0xd8 \
__asm vpunpcklbw ymm4, ymm4, ymm4 \
__asm lea eax, [eax + 16]}
// Read 8 UV from NV21, upsample to 16 UV.
#define READNV21_AVX2 \
__asm { \
__asm vmovdqu xmm0, [esi] /* UV */ \
__asm lea esi, [esi + 16] \
__asm vpermq ymm0, ymm0, 0xd8 \
__asm vpshufb ymm0, ymm0, ymmword ptr kShuffleNV21 \
__asm vmovdqu xmm4, [eax] /* Y */ \
__asm vpermq ymm4, ymm4, 0xd8 \
__asm vpunpcklbw ymm4, ymm4, ymm4 \
__asm lea eax, [eax + 16]}
// Read 8 YUY2 with 16 Y and upsample 8 UV to 16 UV.
#define READYUY2_AVX2 \
__asm { \
__asm vmovdqu ymm4, [eax] /* YUY2 */ \
__asm vpshufb ymm4, ymm4, ymmword ptr kShuffleYUY2Y \
__asm vmovdqu ymm0, [eax] /* UV */ \
__asm vpshufb ymm0, ymm0, ymmword ptr kShuffleYUY2UV \
__asm lea eax, [eax + 32]}
// Read 8 UYVY with 16 Y and upsample 8 UV to 16 UV.
#define READUYVY_AVX2 \
__asm { \
__asm vmovdqu ymm4, [eax] /* UYVY */ \
__asm vpshufb ymm4, ymm4, ymmword ptr kShuffleUYVYY \
__asm vmovdqu ymm0, [eax] /* UV */ \
__asm vpshufb ymm0, ymm0, ymmword ptr kShuffleUYVYUV \
__asm lea eax, [eax + 32]}
// Convert 16 pixels: 16 UV and 16 Y.
#define YUVTORGB_AVX2(YuvConstants) \
__asm { \
__asm vpmaddubsw ymm2, ymm0, ymmword ptr [YuvConstants + KUVTOR] /* R UV */\
__asm vpmaddubsw ymm1, ymm0, ymmword ptr [YuvConstants + KUVTOG] /* G UV */\
__asm vpmaddubsw ymm0, ymm0, ymmword ptr [YuvConstants + KUVTOB] /* B UV */\
__asm vmovdqu ymm3, ymmword ptr [YuvConstants + KUVBIASR] \
__asm vpsubw ymm2, ymm3, ymm2 \
__asm vmovdqu ymm3, ymmword ptr [YuvConstants + KUVBIASG] \
__asm vpsubw ymm1, ymm3, ymm1 \
__asm vmovdqu ymm3, ymmword ptr [YuvConstants + KUVBIASB] \
__asm vpsubw ymm0, ymm3, ymm0 /* Step 2: Find Y contribution to 16 R,G,B values */ \
__asm vpmulhuw ymm4, ymm4, ymmword ptr [YuvConstants + KYTORGB] \
__asm vpaddsw ymm0, ymm0, ymm4 /* B += Y */ \
__asm vpaddsw ymm1, ymm1, ymm4 /* G += Y */ \
__asm vpaddsw ymm2, ymm2, ymm4 /* R += Y */ \
__asm vpsraw ymm0, ymm0, 6 \
__asm vpsraw ymm1, ymm1, 6 \
__asm vpsraw ymm2, ymm2, 6 \
__asm vpackuswb ymm0, ymm0, ymm0 /* B */ \
__asm vpackuswb ymm1, ymm1, ymm1 /* G */ \
__asm vpackuswb ymm2, ymm2, ymm2 /* R */ \
}
// Store 16 ARGB values.
#define STOREARGB_AVX2 \
__asm { \
__asm vpunpcklbw ymm0, ymm0, ymm1 /* BG */ \
__asm vpermq ymm0, ymm0, 0xd8 \
__asm vpunpcklbw ymm2, ymm2, ymm5 /* RA */ \
__asm vpermq ymm2, ymm2, 0xd8 \
__asm vpunpcklwd ymm1, ymm0, ymm2 /* BGRA first 8 pixels */ \
__asm vpunpckhwd ymm0, ymm0, ymm2 /* BGRA next 8 pixels */ \
__asm vmovdqu 0[edx], ymm1 \
__asm vmovdqu 32[edx], ymm0 \
__asm lea edx, [edx + 64]}
// Store 16 RGBA values.
#define STORERGBA_AVX2 \
__asm { \
__asm vpunpcklbw ymm1, ymm1, ymm2 /* GR */ \
__asm vpermq ymm1, ymm1, 0xd8 \
__asm vpunpcklbw ymm2, ymm5, ymm0 /* AB */ \
__asm vpermq ymm2, ymm2, 0xd8 \
__asm vpunpcklwd ymm0, ymm2, ymm1 /* ABGR first 8 pixels */ \
__asm vpunpckhwd ymm1, ymm2, ymm1 /* ABGR next 8 pixels */ \
__asm vmovdqu [edx], ymm0 \
__asm vmovdqu [edx + 32], ymm1 \
__asm lea edx, [edx + 64]}
#ifdef HAS_I422TOARGBROW_AVX2
// 16 pixels
// 8 UV values upsampled to 16 UV, mixed with 16 Y producing 16 ARGB (64 bytes).
__declspec(naked) void I422ToARGBRow_AVX2(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
mov eax, [esp + 12 + 4] // Y
mov esi, [esp + 12 + 8] // U
mov edi, [esp + 12 + 12] // V
mov edx, [esp + 12 + 16] // argb
mov ebx, [esp + 12 + 20] // yuvconstants
mov ecx, [esp + 12 + 24] // width
sub edi, esi
vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha
convertloop:
READYUV422_AVX2
YUVTORGB_AVX2(ebx)
STOREARGB_AVX2
sub ecx, 16
jg convertloop
pop ebx
pop edi
pop esi
vzeroupper
ret
}
}
#endif // HAS_I422TOARGBROW_AVX2
#ifdef HAS_I422ALPHATOARGBROW_AVX2
// 16 pixels
// 8 UV values upsampled to 16 UV, mixed with 16 Y and 16 A producing 16 ARGB.
__declspec(naked) void I422AlphaToARGBRow_AVX2(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
const uint8_t* a_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
push ebp
mov eax, [esp + 16 + 4] // Y
mov esi, [esp + 16 + 8] // U
mov edi, [esp + 16 + 12] // V
mov ebp, [esp + 16 + 16] // A
mov edx, [esp + 16 + 20] // argb
mov ebx, [esp + 16 + 24] // yuvconstants
mov ecx, [esp + 16 + 28] // width
sub edi, esi
convertloop:
READYUVA422_AVX2
YUVTORGB_AVX2(ebx)
STOREARGB_AVX2
sub ecx, 16
jg convertloop
pop ebp
pop ebx
pop edi
pop esi
vzeroupper
ret
}
}
#endif // HAS_I422ALPHATOARGBROW_AVX2
#ifdef HAS_I444TOARGBROW_AVX2
// 16 pixels
// 16 UV values with 16 Y producing 16 ARGB (64 bytes).
__declspec(naked) void I444ToARGBRow_AVX2(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
mov eax, [esp + 12 + 4] // Y
mov esi, [esp + 12 + 8] // U
mov edi, [esp + 12 + 12] // V
mov edx, [esp + 12 + 16] // argb
mov ebx, [esp + 12 + 20] // yuvconstants
mov ecx, [esp + 12 + 24] // width
sub edi, esi
vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha
convertloop:
READYUV444_AVX2
YUVTORGB_AVX2(ebx)
STOREARGB_AVX2
sub ecx, 16
jg convertloop
pop ebx
pop edi
pop esi
vzeroupper
ret
}
}
#endif // HAS_I444TOARGBROW_AVX2
#ifdef HAS_NV12TOARGBROW_AVX2
// 16 pixels.
// 8 UV values upsampled to 16 UV, mixed with 16 Y producing 16 ARGB (64 bytes).
__declspec(naked) void NV12ToARGBRow_AVX2(
const uint8_t* y_buf,
const uint8_t* uv_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push ebx
mov eax, [esp + 8 + 4] // Y
mov esi, [esp + 8 + 8] // UV
mov edx, [esp + 8 + 12] // argb
mov ebx, [esp + 8 + 16] // yuvconstants
mov ecx, [esp + 8 + 20] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha
convertloop:
READNV12_AVX2
YUVTORGB_AVX2(ebx)
STOREARGB_AVX2
sub ecx, 16
jg convertloop
pop ebx
pop esi
vzeroupper
ret
}
}
#endif // HAS_NV12TOARGBROW_AVX2
#ifdef HAS_NV21TOARGBROW_AVX2
// 16 pixels.
// 8 VU values upsampled to 16 UV, mixed with 16 Y producing 16 ARGB (64 bytes).
__declspec(naked) void NV21ToARGBRow_AVX2(
const uint8_t* y_buf,
const uint8_t* vu_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push ebx
mov eax, [esp + 8 + 4] // Y
mov esi, [esp + 8 + 8] // VU
mov edx, [esp + 8 + 12] // argb
mov ebx, [esp + 8 + 16] // yuvconstants
mov ecx, [esp + 8 + 20] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha
convertloop:
READNV21_AVX2
YUVTORGB_AVX2(ebx)
STOREARGB_AVX2
sub ecx, 16
jg convertloop
pop ebx
pop esi
vzeroupper
ret
}
}
#endif // HAS_NV21TOARGBROW_AVX2
#ifdef HAS_YUY2TOARGBROW_AVX2
// 16 pixels.
// 8 YUY2 values with 16 Y and 8 UV producing 16 ARGB (64 bytes).
__declspec(naked) void YUY2ToARGBRow_AVX2(
const uint8_t* src_yuy2,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push ebx
mov eax, [esp + 4 + 4] // yuy2
mov edx, [esp + 4 + 8] // argb
mov ebx, [esp + 4 + 12] // yuvconstants
mov ecx, [esp + 4 + 16] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha
convertloop:
READYUY2_AVX2
YUVTORGB_AVX2(ebx)
STOREARGB_AVX2
sub ecx, 16
jg convertloop
pop ebx
vzeroupper
ret
}
}
#endif // HAS_YUY2TOARGBROW_AVX2
#ifdef HAS_UYVYTOARGBROW_AVX2
// 16 pixels.
// 8 UYVY values with 16 Y and 8 UV producing 16 ARGB (64 bytes).
__declspec(naked) void UYVYToARGBRow_AVX2(
const uint8_t* src_uyvy,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push ebx
mov eax, [esp + 4 + 4] // uyvy
mov edx, [esp + 4 + 8] // argb
mov ebx, [esp + 4 + 12] // yuvconstants
mov ecx, [esp + 4 + 16] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha
convertloop:
READUYVY_AVX2
YUVTORGB_AVX2(ebx)
STOREARGB_AVX2
sub ecx, 16
jg convertloop
pop ebx
vzeroupper
ret
}
}
#endif // HAS_UYVYTOARGBROW_AVX2
#ifdef HAS_I422TORGBAROW_AVX2
// 16 pixels
// 8 UV values upsampled to 16 UV, mixed with 16 Y producing 16 RGBA (64 bytes).
__declspec(naked) void I422ToRGBARow_AVX2(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
mov eax, [esp + 12 + 4] // Y
mov esi, [esp + 12 + 8] // U
mov edi, [esp + 12 + 12] // V
mov edx, [esp + 12 + 16] // abgr
mov ebx, [esp + 12 + 20] // yuvconstants
mov ecx, [esp + 12 + 24] // width
sub edi, esi
vpcmpeqb ymm5, ymm5, ymm5 // generate 0xffffffffffffffff for alpha
convertloop:
READYUV422_AVX2
YUVTORGB_AVX2(ebx)
STORERGBA_AVX2
sub ecx, 16
jg convertloop
pop ebx
pop edi
pop esi
vzeroupper
ret
}
}
#endif // HAS_I422TORGBAROW_AVX2
#if defined(HAS_I422TOARGBROW_SSSE3)
// TODO(fbarchard): Read that does half size on Y and treats 420 as 444.
// Allows a conversion with half size scaling.
// Read 8 UV from 444.
#define READYUV444 \
__asm { \
__asm movq xmm0, qword ptr [esi] /* U */ \
__asm movq xmm1, qword ptr [esi + edi] /* V */ \
__asm lea esi, [esi + 8] \
__asm punpcklbw xmm0, xmm1 /* UV */ \
__asm movq xmm4, qword ptr [eax] \
__asm punpcklbw xmm4, xmm4 \
__asm lea eax, [eax + 8]}
// Read 4 UV from 422, upsample to 8 UV.
#define READYUV422 \
__asm { \
__asm movd xmm0, [esi] /* U */ \
__asm movd xmm1, [esi + edi] /* V */ \
__asm lea esi, [esi + 4] \
__asm punpcklbw xmm0, xmm1 /* UV */ \
__asm punpcklwd xmm0, xmm0 /* UVUV (upsample) */ \
__asm movq xmm4, qword ptr [eax] \
__asm punpcklbw xmm4, xmm4 \
__asm lea eax, [eax + 8]}
// Read 4 UV from 422, upsample to 8 UV. With 8 Alpha.
#define READYUVA422 \
__asm { \
__asm movd xmm0, [esi] /* U */ \
__asm movd xmm1, [esi + edi] /* V */ \
__asm lea esi, [esi + 4] \
__asm punpcklbw xmm0, xmm1 /* UV */ \
__asm punpcklwd xmm0, xmm0 /* UVUV (upsample) */ \
__asm movq xmm4, qword ptr [eax] /* Y */ \
__asm punpcklbw xmm4, xmm4 \
__asm lea eax, [eax + 8] \
__asm movq xmm5, qword ptr [ebp] /* A */ \
__asm lea ebp, [ebp + 8]}
// Read 4 UV from NV12, upsample to 8 UV.
#define READNV12 \
__asm { \
__asm movq xmm0, qword ptr [esi] /* UV */ \
__asm lea esi, [esi + 8] \
__asm punpcklwd xmm0, xmm0 /* UVUV (upsample) */ \
__asm movq xmm4, qword ptr [eax] \
__asm punpcklbw xmm4, xmm4 \
__asm lea eax, [eax + 8]}
// Read 4 VU from NV21, upsample to 8 UV.
#define READNV21 \
__asm { \
__asm movq xmm0, qword ptr [esi] /* UV */ \
__asm lea esi, [esi + 8] \
__asm pshufb xmm0, xmmword ptr kShuffleNV21 \
__asm movq xmm4, qword ptr [eax] \
__asm punpcklbw xmm4, xmm4 \
__asm lea eax, [eax + 8]}
// Read 4 YUY2 with 8 Y and upsample 4 UV to 8 UV.
#define READYUY2 \
__asm { \
__asm movdqu xmm4, [eax] /* YUY2 */ \
__asm pshufb xmm4, xmmword ptr kShuffleYUY2Y \
__asm movdqu xmm0, [eax] /* UV */ \
__asm pshufb xmm0, xmmword ptr kShuffleYUY2UV \
__asm lea eax, [eax + 16]}
// Read 4 UYVY with 8 Y and upsample 4 UV to 8 UV.
#define READUYVY \
__asm { \
__asm movdqu xmm4, [eax] /* UYVY */ \
__asm pshufb xmm4, xmmword ptr kShuffleUYVYY \
__asm movdqu xmm0, [eax] /* UV */ \
__asm pshufb xmm0, xmmword ptr kShuffleUYVYUV \
__asm lea eax, [eax + 16]}
// Convert 8 pixels: 8 UV and 8 Y.
#define YUVTORGB(YuvConstants) \
__asm { \
__asm movdqa xmm1, xmm0 \
__asm movdqa xmm2, xmm0 \
__asm movdqa xmm3, xmm0 \
__asm movdqa xmm0, xmmword ptr [YuvConstants + KUVBIASB] \
__asm pmaddubsw xmm1, xmmword ptr [YuvConstants + KUVTOB] \
__asm psubw xmm0, xmm1 \
__asm movdqa xmm1, xmmword ptr [YuvConstants + KUVBIASG] \
__asm pmaddubsw xmm2, xmmword ptr [YuvConstants + KUVTOG] \
__asm psubw xmm1, xmm2 \
__asm movdqa xmm2, xmmword ptr [YuvConstants + KUVBIASR] \
__asm pmaddubsw xmm3, xmmword ptr [YuvConstants + KUVTOR] \
__asm psubw xmm2, xmm3 \
__asm pmulhuw xmm4, xmmword ptr [YuvConstants + KYTORGB] \
__asm paddsw xmm0, xmm4 /* B += Y */ \
__asm paddsw xmm1, xmm4 /* G += Y */ \
__asm paddsw xmm2, xmm4 /* R += Y */ \
__asm psraw xmm0, 6 \
__asm psraw xmm1, 6 \
__asm psraw xmm2, 6 \
__asm packuswb xmm0, xmm0 /* B */ \
__asm packuswb xmm1, xmm1 /* G */ \
__asm packuswb xmm2, xmm2 /* R */ \
}
// Store 8 ARGB values.
#define STOREARGB \
__asm { \
__asm punpcklbw xmm0, xmm1 /* BG */ \
__asm punpcklbw xmm2, xmm5 /* RA */ \
__asm movdqa xmm1, xmm0 \
__asm punpcklwd xmm0, xmm2 /* BGRA first 4 pixels */ \
__asm punpckhwd xmm1, xmm2 /* BGRA next 4 pixels */ \
__asm movdqu 0[edx], xmm0 \
__asm movdqu 16[edx], xmm1 \
__asm lea edx, [edx + 32]}
// Store 8 BGRA values.
#define STOREBGRA \
__asm { \
__asm pcmpeqb xmm5, xmm5 /* generate 0xffffffff for alpha */ \
__asm punpcklbw xmm1, xmm0 /* GB */ \
__asm punpcklbw xmm5, xmm2 /* AR */ \
__asm movdqa xmm0, xmm5 \
__asm punpcklwd xmm5, xmm1 /* BGRA first 4 pixels */ \
__asm punpckhwd xmm0, xmm1 /* BGRA next 4 pixels */ \
__asm movdqu 0[edx], xmm5 \
__asm movdqu 16[edx], xmm0 \
__asm lea edx, [edx + 32]}
// Store 8 RGBA values.
#define STORERGBA \
__asm { \
__asm pcmpeqb xmm5, xmm5 /* generate 0xffffffff for alpha */ \
__asm punpcklbw xmm1, xmm2 /* GR */ \
__asm punpcklbw xmm5, xmm0 /* AB */ \
__asm movdqa xmm0, xmm5 \
__asm punpcklwd xmm5, xmm1 /* RGBA first 4 pixels */ \
__asm punpckhwd xmm0, xmm1 /* RGBA next 4 pixels */ \
__asm movdqu 0[edx], xmm5 \
__asm movdqu 16[edx], xmm0 \
__asm lea edx, [edx + 32]}
// Store 8 RGB24 values.
#define STORERGB24 \
__asm {/* Weave into RRGB */ \
__asm punpcklbw xmm0, xmm1 /* BG */ \
__asm punpcklbw xmm2, xmm2 /* RR */ \
__asm movdqa xmm1, xmm0 \
__asm punpcklwd xmm0, xmm2 /* BGRR first 4 pixels */ \
__asm punpckhwd xmm1, xmm2 /* BGRR next 4 pixels */ /* RRGB -> RGB24 */ \
__asm pshufb xmm0, xmm5 /* Pack first 8 and last 4 bytes. */ \
__asm pshufb xmm1, xmm6 /* Pack first 12 bytes. */ \
__asm palignr xmm1, xmm0, 12 /* last 4 bytes of xmm0 + 12 xmm1 */ \
__asm movq qword ptr 0[edx], xmm0 /* First 8 bytes */ \
__asm movdqu 8[edx], xmm1 /* Last 16 bytes */ \
__asm lea edx, [edx + 24]}
// Store 8 RGB565 values.
#define STORERGB565 \
__asm {/* Weave into RRGB */ \
__asm punpcklbw xmm0, xmm1 /* BG */ \
__asm punpcklbw xmm2, xmm2 /* RR */ \
__asm movdqa xmm1, xmm0 \
__asm punpcklwd xmm0, xmm2 /* BGRR first 4 pixels */ \
__asm punpckhwd xmm1, xmm2 /* BGRR next 4 pixels */ /* RRGB -> RGB565 */ \
__asm movdqa xmm3, xmm0 /* B first 4 pixels of argb */ \
__asm movdqa xmm2, xmm0 /* G */ \
__asm pslld xmm0, 8 /* R */ \
__asm psrld xmm3, 3 /* B */ \
__asm psrld xmm2, 5 /* G */ \
__asm psrad xmm0, 16 /* R */ \
__asm pand xmm3, xmm5 /* B */ \
__asm pand xmm2, xmm6 /* G */ \
__asm pand xmm0, xmm7 /* R */ \
__asm por xmm3, xmm2 /* BG */ \
__asm por xmm0, xmm3 /* BGR */ \
__asm movdqa xmm3, xmm1 /* B next 4 pixels of argb */ \
__asm movdqa xmm2, xmm1 /* G */ \
__asm pslld xmm1, 8 /* R */ \
__asm psrld xmm3, 3 /* B */ \
__asm psrld xmm2, 5 /* G */ \
__asm psrad xmm1, 16 /* R */ \
__asm pand xmm3, xmm5 /* B */ \
__asm pand xmm2, xmm6 /* G */ \
__asm pand xmm1, xmm7 /* R */ \
__asm por xmm3, xmm2 /* BG */ \
__asm por xmm1, xmm3 /* BGR */ \
__asm packssdw xmm0, xmm1 \
__asm movdqu 0[edx], xmm0 /* store 8 pixels of RGB565 */ \
__asm lea edx, [edx + 16]}
// 8 pixels.
// 8 UV values, mixed with 8 Y producing 8 ARGB (32 bytes).
__declspec(naked) void I444ToARGBRow_SSSE3(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
mov eax, [esp + 12 + 4] // Y
mov esi, [esp + 12 + 8] // U
mov edi, [esp + 12 + 12] // V
mov edx, [esp + 12 + 16] // argb
mov ebx, [esp + 12 + 20] // yuvconstants
mov ecx, [esp + 12 + 24] // width
sub edi, esi
pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
convertloop:
READYUV444
YUVTORGB(ebx)
STOREARGB
sub ecx, 8
jg convertloop
pop ebx
pop edi
pop esi
ret
}
}
// 8 pixels.
// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 RGB24 (24 bytes).
__declspec(naked) void I422ToRGB24Row_SSSE3(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
uint8_t* dst_rgb24,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
mov eax, [esp + 12 + 4] // Y
mov esi, [esp + 12 + 8] // U
mov edi, [esp + 12 + 12] // V
mov edx, [esp + 12 + 16] // argb
mov ebx, [esp + 12 + 20] // yuvconstants
mov ecx, [esp + 12 + 24] // width
sub edi, esi
movdqa xmm5, xmmword ptr kShuffleMaskARGBToRGB24_0
movdqa xmm6, xmmword ptr kShuffleMaskARGBToRGB24
convertloop:
READYUV422
YUVTORGB(ebx)
STORERGB24
sub ecx, 8
jg convertloop
pop ebx
pop edi
pop esi
ret
}
}
// 8 pixels
// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 RGB565 (16 bytes).
__declspec(naked) void I422ToRGB565Row_SSSE3(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
uint8_t* rgb565_buf,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
mov eax, [esp + 12 + 4] // Y
mov esi, [esp + 12 + 8] // U
mov edi, [esp + 12 + 12] // V
mov edx, [esp + 12 + 16] // argb
mov ebx, [esp + 12 + 20] // yuvconstants
mov ecx, [esp + 12 + 24] // width
sub edi, esi
pcmpeqb xmm5, xmm5 // generate mask 0x0000001f
psrld xmm5, 27
pcmpeqb xmm6, xmm6 // generate mask 0x000007e0
psrld xmm6, 26
pslld xmm6, 5
pcmpeqb xmm7, xmm7 // generate mask 0xfffff800
pslld xmm7, 11
convertloop:
READYUV422
YUVTORGB(ebx)
STORERGB565
sub ecx, 8
jg convertloop
pop ebx
pop edi
pop esi
ret
}
}
// 8 pixels.
// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
__declspec(naked) void I422ToARGBRow_SSSE3(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
mov eax, [esp + 12 + 4] // Y
mov esi, [esp + 12 + 8] // U
mov edi, [esp + 12 + 12] // V
mov edx, [esp + 12 + 16] // argb
mov ebx, [esp + 12 + 20] // yuvconstants
mov ecx, [esp + 12 + 24] // width
sub edi, esi
pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
convertloop:
READYUV422
YUVTORGB(ebx)
STOREARGB
sub ecx, 8
jg convertloop
pop ebx
pop edi
pop esi
ret
}
}
// 8 pixels.
// 4 UV values upsampled to 8 UV, mixed with 8 Y and 8 A producing 8 ARGB.
__declspec(naked) void I422AlphaToARGBRow_SSSE3(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
const uint8_t* a_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
push ebp
mov eax, [esp + 16 + 4] // Y
mov esi, [esp + 16 + 8] // U
mov edi, [esp + 16 + 12] // V
mov ebp, [esp + 16 + 16] // A
mov edx, [esp + 16 + 20] // argb
mov ebx, [esp + 16 + 24] // yuvconstants
mov ecx, [esp + 16 + 28] // width
sub edi, esi
convertloop:
READYUVA422
YUVTORGB(ebx)
STOREARGB
sub ecx, 8
jg convertloop
pop ebp
pop ebx
pop edi
pop esi
ret
}
}
// 8 pixels.
// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
__declspec(naked) void NV12ToARGBRow_SSSE3(
const uint8_t* y_buf,
const uint8_t* uv_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push ebx
mov eax, [esp + 8 + 4] // Y
mov esi, [esp + 8 + 8] // UV
mov edx, [esp + 8 + 12] // argb
mov ebx, [esp + 8 + 16] // yuvconstants
mov ecx, [esp + 8 + 20] // width
pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
convertloop:
READNV12
YUVTORGB(ebx)
STOREARGB
sub ecx, 8
jg convertloop
pop ebx
pop esi
ret
}
}
// 8 pixels.
// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
__declspec(naked) void NV21ToARGBRow_SSSE3(
const uint8_t* y_buf,
const uint8_t* vu_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push ebx
mov eax, [esp + 8 + 4] // Y
mov esi, [esp + 8 + 8] // VU
mov edx, [esp + 8 + 12] // argb
mov ebx, [esp + 8 + 16] // yuvconstants
mov ecx, [esp + 8 + 20] // width
pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
convertloop:
READNV21
YUVTORGB(ebx)
STOREARGB
sub ecx, 8
jg convertloop
pop ebx
pop esi
ret
}
}
// 8 pixels.
// 4 YUY2 values with 8 Y and 4 UV producing 8 ARGB (32 bytes).
__declspec(naked) void YUY2ToARGBRow_SSSE3(
const uint8_t* src_yuy2,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push ebx
mov eax, [esp + 4 + 4] // yuy2
mov edx, [esp + 4 + 8] // argb
mov ebx, [esp + 4 + 12] // yuvconstants
mov ecx, [esp + 4 + 16] // width
pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
convertloop:
READYUY2
YUVTORGB(ebx)
STOREARGB
sub ecx, 8
jg convertloop
pop ebx
ret
}
}
// 8 pixels.
// 4 UYVY values with 8 Y and 4 UV producing 8 ARGB (32 bytes).
__declspec(naked) void UYVYToARGBRow_SSSE3(
const uint8_t* src_uyvy,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push ebx
mov eax, [esp + 4 + 4] // uyvy
mov edx, [esp + 4 + 8] // argb
mov ebx, [esp + 4 + 12] // yuvconstants
mov ecx, [esp + 4 + 16] // width
pcmpeqb xmm5, xmm5 // generate 0xffffffff for alpha
convertloop:
READUYVY
YUVTORGB(ebx)
STOREARGB
sub ecx, 8
jg convertloop
pop ebx
ret
}
}
__declspec(naked) void I422ToRGBARow_SSSE3(
const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
uint8_t* dst_rgba,
const struct YuvConstants* yuvconstants,
int width) {
__asm {
push esi
push edi
push ebx
mov eax, [esp + 12 + 4] // Y
mov esi, [esp + 12 + 8] // U
mov edi, [esp + 12 + 12] // V
mov edx, [esp + 12 + 16] // argb
mov ebx, [esp + 12 + 20] // yuvconstants
mov ecx, [esp + 12 + 24] // width
sub edi, esi
convertloop:
READYUV422
YUVTORGB(ebx)
STORERGBA
sub ecx, 8
jg convertloop
pop ebx
pop edi
pop esi
ret
}
}
#endif // HAS_I422TOARGBROW_SSSE3
#ifdef HAS_I400TOARGBROW_SSE2
// 8 pixels of Y converted to 8 pixels of ARGB (32 bytes).
__declspec(naked) void I400ToARGBRow_SSE2(const uint8_t* y_buf,
uint8_t* rgb_buf,
int width) {
__asm {
mov eax, 0x4a354a35 // 4a35 = 18997 = round(1.164 * 64 * 256)
movd xmm2, eax
pshufd xmm2, xmm2,0
mov eax, 0x04880488 // 0488 = 1160 = round(1.164 * 64 * 16)
movd xmm3, eax
pshufd xmm3, xmm3, 0
pcmpeqb xmm4, xmm4 // generate mask 0xff000000
pslld xmm4, 24
mov eax, [esp + 4] // Y
mov edx, [esp + 8] // rgb
mov ecx, [esp + 12] // width
convertloop:
// Step 1: Scale Y contribution to 8 G values. G = (y - 16) * 1.164
movq xmm0, qword ptr [eax]
lea eax, [eax + 8]
punpcklbw xmm0, xmm0 // Y.Y
pmulhuw xmm0, xmm2
psubusw xmm0, xmm3
psrlw xmm0, 6
packuswb xmm0, xmm0 // G
// Step 2: Weave into ARGB
punpcklbw xmm0, xmm0 // GG
movdqa xmm1, xmm0
punpcklwd xmm0, xmm0 // BGRA first 4 pixels
punpckhwd xmm1, xmm1 // BGRA next 4 pixels
por xmm0, xmm4
por xmm1, xmm4
movdqu [edx], xmm0
movdqu [edx + 16], xmm1
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
ret
}
}
#endif // HAS_I400TOARGBROW_SSE2
#ifdef HAS_I400TOARGBROW_AVX2
// 16 pixels of Y converted to 16 pixels of ARGB (64 bytes).
// note: vpunpcklbw mutates and vpackuswb unmutates.
__declspec(naked) void I400ToARGBRow_AVX2(const uint8_t* y_buf,
uint8_t* rgb_buf,
int width) {
__asm {
mov eax, 0x4a354a35 // 4a35 = 18997 = round(1.164 * 64 * 256)
vmovd xmm2, eax
vbroadcastss ymm2, xmm2
mov eax, 0x04880488 // 0488 = 1160 = round(1.164 * 64 * 16)
vmovd xmm3, eax
vbroadcastss ymm3, xmm3
vpcmpeqb ymm4, ymm4, ymm4 // generate mask 0xff000000
vpslld ymm4, ymm4, 24
mov eax, [esp + 4] // Y
mov edx, [esp + 8] // rgb
mov ecx, [esp + 12] // width
convertloop:
// Step 1: Scale Y contriportbution to 16 G values. G = (y - 16) * 1.164
vmovdqu xmm0, [eax]
lea eax, [eax + 16]
vpermq ymm0, ymm0, 0xd8 // vpunpcklbw mutates
vpunpcklbw ymm0, ymm0, ymm0 // Y.Y
vpmulhuw ymm0, ymm0, ymm2
vpsubusw ymm0, ymm0, ymm3
vpsrlw ymm0, ymm0, 6
vpackuswb ymm0, ymm0, ymm0 // G. still mutated: 3120
// TODO(fbarchard): Weave alpha with unpack.
// Step 2: Weave into ARGB
vpunpcklbw ymm1, ymm0, ymm0 // GG - mutates
vpermq ymm1, ymm1, 0xd8
vpunpcklwd ymm0, ymm1, ymm1 // GGGG first 8 pixels
vpunpckhwd ymm1, ymm1, ymm1 // GGGG next 8 pixels
vpor ymm0, ymm0, ymm4
vpor ymm1, ymm1, ymm4
vmovdqu [edx], ymm0
vmovdqu [edx + 32], ymm1
lea edx, [edx + 64]
sub ecx, 16
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_I400TOARGBROW_AVX2
#ifdef HAS_MIRRORROW_SSSE3
// Shuffle table for reversing the bytes.
static const uvec8 kShuffleMirror = {15u, 14u, 13u, 12u, 11u, 10u, 9u, 8u,
7u, 6u, 5u, 4u, 3u, 2u, 1u, 0u};
// TODO(fbarchard): Replace lea with -16 offset.
__declspec(naked) void MirrorRow_SSSE3(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
movdqa xmm5, xmmword ptr kShuffleMirror
convertloop:
movdqu xmm0, [eax - 16 + ecx]
pshufb xmm0, xmm5
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
ret
}
}
#endif // HAS_MIRRORROW_SSSE3
#ifdef HAS_MIRRORROW_AVX2
__declspec(naked) void MirrorRow_AVX2(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
vbroadcastf128 ymm5, xmmword ptr kShuffleMirror
convertloop:
vmovdqu ymm0, [eax - 32 + ecx]
vpshufb ymm0, ymm0, ymm5
vpermq ymm0, ymm0, 0x4e // swap high and low halfs
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 32
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_MIRRORROW_AVX2
#ifdef HAS_MIRRORUVROW_SSSE3
// Shuffle table for reversing the bytes of UV channels.
static const uvec8 kShuffleMirrorUV = {14u, 12u, 10u, 8u, 6u, 4u, 2u, 0u,
15u, 13u, 11u, 9u, 7u, 5u, 3u, 1u};
__declspec(naked) void MirrorUVRow_SSSE3(const uint8_t* src,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src
mov edx, [esp + 4 + 8] // dst_u
mov edi, [esp + 4 + 12] // dst_v
mov ecx, [esp + 4 + 16] // width
movdqa xmm1, xmmword ptr kShuffleMirrorUV
lea eax, [eax + ecx * 2 - 16]
sub edi, edx
convertloop:
movdqu xmm0, [eax]
lea eax, [eax - 16]
pshufb xmm0, xmm1
movlpd qword ptr [edx], xmm0
movhpd qword ptr [edx + edi], xmm0
lea edx, [edx + 8]
sub ecx, 8
jg convertloop
pop edi
ret
}
}
#endif // HAS_MIRRORUVROW_SSSE3
#ifdef HAS_ARGBMIRRORROW_SSE2
__declspec(naked) void ARGBMirrorRow_SSE2(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
lea eax, [eax - 16 + ecx * 4] // last 4 pixels.
convertloop:
movdqu xmm0, [eax]
lea eax, [eax - 16]
pshufd xmm0, xmm0, 0x1b
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 4
jg convertloop
ret
}
}
#endif // HAS_ARGBMIRRORROW_SSE2
#ifdef HAS_ARGBMIRRORROW_AVX2
// Shuffle table for reversing the bytes.
static const ulvec32 kARGBShuffleMirror_AVX2 = {7u, 6u, 5u, 4u, 3u, 2u, 1u, 0u};
__declspec(naked) void ARGBMirrorRow_AVX2(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
vmovdqu ymm5, ymmword ptr kARGBShuffleMirror_AVX2
convertloop:
vpermd ymm0, ymm5, [eax - 32 + ecx * 4] // permute dword order
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBMIRRORROW_AVX2
#ifdef HAS_SPLITUVROW_SSE2
__declspec(naked) void SplitUVRow_SSE2(const uint8_t* src_uv,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src_uv
mov edx, [esp + 4 + 8] // dst_u
mov edi, [esp + 4 + 12] // dst_v
mov ecx, [esp + 4 + 16] // width
pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
psrlw xmm5, 8
sub edi, edx
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
lea eax, [eax + 32]
movdqa xmm2, xmm0
movdqa xmm3, xmm1
pand xmm0, xmm5 // even bytes
pand xmm1, xmm5
packuswb xmm0, xmm1
psrlw xmm2, 8 // odd bytes
psrlw xmm3, 8
packuswb xmm2, xmm3
movdqu [edx], xmm0
movdqu [edx + edi], xmm2
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
pop edi
ret
}
}
#endif // HAS_SPLITUVROW_SSE2
#ifdef HAS_SPLITUVROW_AVX2
__declspec(naked) void SplitUVRow_AVX2(const uint8_t* src_uv,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src_uv
mov edx, [esp + 4 + 8] // dst_u
mov edi, [esp + 4 + 12] // dst_v
mov ecx, [esp + 4 + 16] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
vpsrlw ymm5, ymm5, 8
sub edi, edx
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
lea eax, [eax + 64]
vpsrlw ymm2, ymm0, 8 // odd bytes
vpsrlw ymm3, ymm1, 8
vpand ymm0, ymm0, ymm5 // even bytes
vpand ymm1, ymm1, ymm5
vpackuswb ymm0, ymm0, ymm1
vpackuswb ymm2, ymm2, ymm3
vpermq ymm0, ymm0, 0xd8
vpermq ymm2, ymm2, 0xd8
vmovdqu [edx], ymm0
vmovdqu [edx + edi], ymm2
lea edx, [edx + 32]
sub ecx, 32
jg convertloop
pop edi
vzeroupper
ret
}
}
#endif // HAS_SPLITUVROW_AVX2
#ifdef HAS_MERGEUVROW_SSE2
__declspec(naked) void MergeUVRow_SSE2(const uint8_t* src_u,
const uint8_t* src_v,
uint8_t* dst_uv,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src_u
mov edx, [esp + 4 + 8] // src_v
mov edi, [esp + 4 + 12] // dst_uv
mov ecx, [esp + 4 + 16] // width
sub edx, eax
convertloop:
movdqu xmm0, [eax] // read 16 U's
movdqu xmm1, [eax + edx] // and 16 V's
lea eax, [eax + 16]
movdqa xmm2, xmm0
punpcklbw xmm0, xmm1 // first 8 UV pairs
punpckhbw xmm2, xmm1 // next 8 UV pairs
movdqu [edi], xmm0
movdqu [edi + 16], xmm2
lea edi, [edi + 32]
sub ecx, 16
jg convertloop
pop edi
ret
}
}
#endif // HAS_MERGEUVROW_SSE2
#ifdef HAS_MERGEUVROW_AVX2
__declspec(naked) void MergeUVRow_AVX2(const uint8_t* src_u,
const uint8_t* src_v,
uint8_t* dst_uv,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src_u
mov edx, [esp + 4 + 8] // src_v
mov edi, [esp + 4 + 12] // dst_uv
mov ecx, [esp + 4 + 16] // width
sub edx, eax
convertloop:
vmovdqu ymm0, [eax] // read 32 U's
vmovdqu ymm1, [eax + edx] // and 32 V's
lea eax, [eax + 32]
vpunpcklbw ymm2, ymm0, ymm1 // low 16 UV pairs. mutated qqword 0,2
vpunpckhbw ymm0, ymm0, ymm1 // high 16 UV pairs. mutated qqword 1,3
vextractf128 [edi], ymm2, 0 // bytes 0..15
vextractf128 [edi + 16], ymm0, 0 // bytes 16..31
vextractf128 [edi + 32], ymm2, 1 // bytes 32..47
vextractf128 [edi + 48], ymm0, 1 // bytes 47..63
lea edi, [edi + 64]
sub ecx, 32
jg convertloop
pop edi
vzeroupper
ret
}
}
#endif // HAS_MERGEUVROW_AVX2
#ifdef HAS_COPYROW_SSE2
// CopyRow copys 'width' bytes using a 16 byte load/store, 32 bytes at time.
__declspec(naked) void CopyRow_SSE2(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
test eax, 15
jne convertloopu
test edx, 15
jne convertloopu
convertloopa:
movdqa xmm0, [eax]
movdqa xmm1, [eax + 16]
lea eax, [eax + 32]
movdqa [edx], xmm0
movdqa [edx + 16], xmm1
lea edx, [edx + 32]
sub ecx, 32
jg convertloopa
ret
convertloopu:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
lea eax, [eax + 32]
movdqu [edx], xmm0
movdqu [edx + 16], xmm1
lea edx, [edx + 32]
sub ecx, 32
jg convertloopu
ret
}
}
#endif // HAS_COPYROW_SSE2
#ifdef HAS_COPYROW_AVX
// CopyRow copys 'width' bytes using a 32 byte load/store, 64 bytes at time.
__declspec(naked) void CopyRow_AVX(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
lea eax, [eax + 64]
vmovdqu [edx], ymm0
vmovdqu [edx + 32], ymm1
lea edx, [edx + 64]
sub ecx, 64
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_COPYROW_AVX
// Multiple of 1.
__declspec(naked) void CopyRow_ERMS(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, esi
mov edx, edi
mov esi, [esp + 4] // src
mov edi, [esp + 8] // dst
mov ecx, [esp + 12] // width
rep movsb
mov edi, edx
mov esi, eax
ret
}
}
#ifdef HAS_ARGBCOPYALPHAROW_SSE2
// width in pixels
__declspec(naked) void ARGBCopyAlphaRow_SSE2(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
pcmpeqb xmm0, xmm0 // generate mask 0xff000000
pslld xmm0, 24
pcmpeqb xmm1, xmm1 // generate mask 0x00ffffff
psrld xmm1, 8
convertloop:
movdqu xmm2, [eax]
movdqu xmm3, [eax + 16]
lea eax, [eax + 32]
movdqu xmm4, [edx]
movdqu xmm5, [edx + 16]
pand xmm2, xmm0
pand xmm3, xmm0
pand xmm4, xmm1
pand xmm5, xmm1
por xmm2, xmm4
por xmm3, xmm5
movdqu [edx], xmm2
movdqu [edx + 16], xmm3
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
ret
}
}
#endif // HAS_ARGBCOPYALPHAROW_SSE2
#ifdef HAS_ARGBCOPYALPHAROW_AVX2
// width in pixels
__declspec(naked) void ARGBCopyAlphaRow_AVX2(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
vpcmpeqb ymm0, ymm0, ymm0
vpsrld ymm0, ymm0, 8 // generate mask 0x00ffffff
convertloop:
vmovdqu ymm1, [eax]
vmovdqu ymm2, [eax + 32]
lea eax, [eax + 64]
vpblendvb ymm1, ymm1, [edx], ymm0
vpblendvb ymm2, ymm2, [edx + 32], ymm0
vmovdqu [edx], ymm1
vmovdqu [edx + 32], ymm2
lea edx, [edx + 64]
sub ecx, 16
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBCOPYALPHAROW_AVX2
#ifdef HAS_ARGBEXTRACTALPHAROW_SSE2
// width in pixels
__declspec(naked) void ARGBExtractAlphaRow_SSE2(const uint8_t* src_argb,
uint8_t* dst_a,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_a
mov ecx, [esp + 12] // width
extractloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
lea eax, [eax + 32]
psrld xmm0, 24
psrld xmm1, 24
packssdw xmm0, xmm1
packuswb xmm0, xmm0
movq qword ptr [edx], xmm0
lea edx, [edx + 8]
sub ecx, 8
jg extractloop
ret
}
}
#endif // HAS_ARGBEXTRACTALPHAROW_SSE2
#ifdef HAS_ARGBEXTRACTALPHAROW_AVX2
// width in pixels
__declspec(naked) void ARGBExtractAlphaRow_AVX2(const uint8_t* src_argb,
uint8_t* dst_a,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_a
mov ecx, [esp + 12] // width
vmovdqa ymm4, ymmword ptr kPermdARGBToY_AVX
extractloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
vpsrld ymm0, ymm0, 24
vpsrld ymm1, ymm1, 24
vmovdqu ymm2, [eax + 64]
vmovdqu ymm3, [eax + 96]
lea eax, [eax + 128]
vpackssdw ymm0, ymm0, ymm1 // mutates
vpsrld ymm2, ymm2, 24
vpsrld ymm3, ymm3, 24
vpackssdw ymm2, ymm2, ymm3 // mutates
vpackuswb ymm0, ymm0, ymm2 // mutates
vpermd ymm0, ymm4, ymm0 // unmutate
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 32
jg extractloop
vzeroupper
ret
}
}
#endif // HAS_ARGBEXTRACTALPHAROW_AVX2
#ifdef HAS_ARGBCOPYYTOALPHAROW_SSE2
// width in pixels
__declspec(naked) void ARGBCopyYToAlphaRow_SSE2(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
pcmpeqb xmm0, xmm0 // generate mask 0xff000000
pslld xmm0, 24
pcmpeqb xmm1, xmm1 // generate mask 0x00ffffff
psrld xmm1, 8
convertloop:
movq xmm2, qword ptr [eax] // 8 Y's
lea eax, [eax + 8]
punpcklbw xmm2, xmm2
punpckhwd xmm3, xmm2
punpcklwd xmm2, xmm2
movdqu xmm4, [edx]
movdqu xmm5, [edx + 16]
pand xmm2, xmm0
pand xmm3, xmm0
pand xmm4, xmm1
pand xmm5, xmm1
por xmm2, xmm4
por xmm3, xmm5
movdqu [edx], xmm2
movdqu [edx + 16], xmm3
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
ret
}
}
#endif // HAS_ARGBCOPYYTOALPHAROW_SSE2
#ifdef HAS_ARGBCOPYYTOALPHAROW_AVX2
// width in pixels
__declspec(naked) void ARGBCopyYToAlphaRow_AVX2(const uint8_t* src,
uint8_t* dst,
int width) {
__asm {
mov eax, [esp + 4] // src
mov edx, [esp + 8] // dst
mov ecx, [esp + 12] // width
vpcmpeqb ymm0, ymm0, ymm0
vpsrld ymm0, ymm0, 8 // generate mask 0x00ffffff
convertloop:
vpmovzxbd ymm1, qword ptr [eax]
vpmovzxbd ymm2, qword ptr [eax + 8]
lea eax, [eax + 16]
vpslld ymm1, ymm1, 24
vpslld ymm2, ymm2, 24
vpblendvb ymm1, ymm1, [edx], ymm0
vpblendvb ymm2, ymm2, [edx + 32], ymm0
vmovdqu [edx], ymm1
vmovdqu [edx + 32], ymm2
lea edx, [edx + 64]
sub ecx, 16
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBCOPYYTOALPHAROW_AVX2
#ifdef HAS_SETROW_X86
// Write 'width' bytes using an 8 bit value repeated.
// width should be multiple of 4.
__declspec(naked) void SetRow_X86(uint8_t* dst, uint8_t v8, int width) {
__asm {
movzx eax, byte ptr [esp + 8] // v8
mov edx, 0x01010101 // Duplicate byte to all bytes.
mul edx // overwrites edx with upper part of result.
mov edx, edi
mov edi, [esp + 4] // dst
mov ecx, [esp + 12] // width
shr ecx, 2
rep stosd
mov edi, edx
ret
}
}
// Write 'width' bytes using an 8 bit value repeated.
__declspec(naked) void SetRow_ERMS(uint8_t* dst, uint8_t v8, int width) {
__asm {
mov edx, edi
mov edi, [esp + 4] // dst
mov eax, [esp + 8] // v8
mov ecx, [esp + 12] // width
rep stosb
mov edi, edx
ret
}
}
// Write 'width' 32 bit values.
__declspec(naked) void ARGBSetRow_X86(uint8_t* dst_argb,
uint32_t v32,
int width) {
__asm {
mov edx, edi
mov edi, [esp + 4] // dst
mov eax, [esp + 8] // v32
mov ecx, [esp + 12] // width
rep stosd
mov edi, edx
ret
}
}
#endif // HAS_SETROW_X86
#ifdef HAS_YUY2TOYROW_AVX2
__declspec(naked) void YUY2ToYRow_AVX2(const uint8_t* src_yuy2,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] // src_yuy2
mov edx, [esp + 8] // dst_y
mov ecx, [esp + 12] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
vpsrlw ymm5, ymm5, 8
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
lea eax, [eax + 64]
vpand ymm0, ymm0, ymm5 // even bytes are Y
vpand ymm1, ymm1, ymm5
vpackuswb ymm0, ymm0, ymm1 // mutates.
vpermq ymm0, ymm0, 0xd8
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 32
jg convertloop
vzeroupper
ret
}
}
__declspec(naked) void YUY2ToUVRow_AVX2(const uint8_t* src_yuy2,
int stride_yuy2,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_yuy2
mov esi, [esp + 8 + 8] // stride_yuy2
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
vpsrlw ymm5, ymm5, 8
sub edi, edx
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
vpavgb ymm0, ymm0, [eax + esi]
vpavgb ymm1, ymm1, [eax + esi + 32]
lea eax, [eax + 64]
vpsrlw ymm0, ymm0, 8 // YUYV -> UVUV
vpsrlw ymm1, ymm1, 8
vpackuswb ymm0, ymm0, ymm1 // mutates.
vpermq ymm0, ymm0, 0xd8
vpand ymm1, ymm0, ymm5 // U
vpsrlw ymm0, ymm0, 8 // V
vpackuswb ymm1, ymm1, ymm1 // mutates.
vpackuswb ymm0, ymm0, ymm0 // mutates.
vpermq ymm1, ymm1, 0xd8
vpermq ymm0, ymm0, 0xd8
vextractf128 [edx], ymm1, 0 // U
vextractf128 [edx + edi], ymm0, 0 // V
lea edx, [edx + 16]
sub ecx, 32
jg convertloop
pop edi
pop esi
vzeroupper
ret
}
}
__declspec(naked) void YUY2ToUV422Row_AVX2(const uint8_t* src_yuy2,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src_yuy2
mov edx, [esp + 4 + 8] // dst_u
mov edi, [esp + 4 + 12] // dst_v
mov ecx, [esp + 4 + 16] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
vpsrlw ymm5, ymm5, 8
sub edi, edx
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
lea eax, [eax + 64]
vpsrlw ymm0, ymm0, 8 // YUYV -> UVUV
vpsrlw ymm1, ymm1, 8
vpackuswb ymm0, ymm0, ymm1 // mutates.
vpermq ymm0, ymm0, 0xd8
vpand ymm1, ymm0, ymm5 // U
vpsrlw ymm0, ymm0, 8 // V
vpackuswb ymm1, ymm1, ymm1 // mutates.
vpackuswb ymm0, ymm0, ymm0 // mutates.
vpermq ymm1, ymm1, 0xd8
vpermq ymm0, ymm0, 0xd8
vextractf128 [edx], ymm1, 0 // U
vextractf128 [edx + edi], ymm0, 0 // V
lea edx, [edx + 16]
sub ecx, 32
jg convertloop
pop edi
vzeroupper
ret
}
}
__declspec(naked) void UYVYToYRow_AVX2(const uint8_t* src_uyvy,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] // src_uyvy
mov edx, [esp + 8] // dst_y
mov ecx, [esp + 12] // width
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
lea eax, [eax + 64]
vpsrlw ymm0, ymm0, 8 // odd bytes are Y
vpsrlw ymm1, ymm1, 8
vpackuswb ymm0, ymm0, ymm1 // mutates.
vpermq ymm0, ymm0, 0xd8
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 32
jg convertloop
vzeroupper
ret
}
}
__declspec(naked) void UYVYToUVRow_AVX2(const uint8_t* src_uyvy,
int stride_uyvy,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_yuy2
mov esi, [esp + 8 + 8] // stride_yuy2
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
vpsrlw ymm5, ymm5, 8
sub edi, edx
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
vpavgb ymm0, ymm0, [eax + esi]
vpavgb ymm1, ymm1, [eax + esi + 32]
lea eax, [eax + 64]
vpand ymm0, ymm0, ymm5 // UYVY -> UVUV
vpand ymm1, ymm1, ymm5
vpackuswb ymm0, ymm0, ymm1 // mutates.
vpermq ymm0, ymm0, 0xd8
vpand ymm1, ymm0, ymm5 // U
vpsrlw ymm0, ymm0, 8 // V
vpackuswb ymm1, ymm1, ymm1 // mutates.
vpackuswb ymm0, ymm0, ymm0 // mutates.
vpermq ymm1, ymm1, 0xd8
vpermq ymm0, ymm0, 0xd8
vextractf128 [edx], ymm1, 0 // U
vextractf128 [edx + edi], ymm0, 0 // V
lea edx, [edx + 16]
sub ecx, 32
jg convertloop
pop edi
pop esi
vzeroupper
ret
}
}
__declspec(naked) void UYVYToUV422Row_AVX2(const uint8_t* src_uyvy,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src_yuy2
mov edx, [esp + 4 + 8] // dst_u
mov edi, [esp + 4 + 12] // dst_v
mov ecx, [esp + 4 + 16] // width
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0x00ff00ff
vpsrlw ymm5, ymm5, 8
sub edi, edx
convertloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
lea eax, [eax + 64]
vpand ymm0, ymm0, ymm5 // UYVY -> UVUV
vpand ymm1, ymm1, ymm5
vpackuswb ymm0, ymm0, ymm1 // mutates.
vpermq ymm0, ymm0, 0xd8
vpand ymm1, ymm0, ymm5 // U
vpsrlw ymm0, ymm0, 8 // V
vpackuswb ymm1, ymm1, ymm1 // mutates.
vpackuswb ymm0, ymm0, ymm0 // mutates.
vpermq ymm1, ymm1, 0xd8
vpermq ymm0, ymm0, 0xd8
vextractf128 [edx], ymm1, 0 // U
vextractf128 [edx + edi], ymm0, 0 // V
lea edx, [edx + 16]
sub ecx, 32
jg convertloop
pop edi
vzeroupper
ret
}
}
#endif // HAS_YUY2TOYROW_AVX2
#ifdef HAS_YUY2TOYROW_SSE2
__declspec(naked) void YUY2ToYRow_SSE2(const uint8_t* src_yuy2,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] // src_yuy2
mov edx, [esp + 8] // dst_y
mov ecx, [esp + 12] // width
pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
psrlw xmm5, 8
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
lea eax, [eax + 32]
pand xmm0, xmm5 // even bytes are Y
pand xmm1, xmm5
packuswb xmm0, xmm1
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
ret
}
}
__declspec(naked) void YUY2ToUVRow_SSE2(const uint8_t* src_yuy2,
int stride_yuy2,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_yuy2
mov esi, [esp + 8 + 8] // stride_yuy2
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
psrlw xmm5, 8
sub edi, edx
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + esi]
movdqu xmm3, [eax + esi + 16]
lea eax, [eax + 32]
pavgb xmm0, xmm2
pavgb xmm1, xmm3
psrlw xmm0, 8 // YUYV -> UVUV
psrlw xmm1, 8
packuswb xmm0, xmm1
movdqa xmm1, xmm0
pand xmm0, xmm5 // U
packuswb xmm0, xmm0
psrlw xmm1, 8 // V
packuswb xmm1, xmm1
movq qword ptr [edx], xmm0
movq qword ptr [edx + edi], xmm1
lea edx, [edx + 8]
sub ecx, 16
jg convertloop
pop edi
pop esi
ret
}
}
__declspec(naked) void YUY2ToUV422Row_SSE2(const uint8_t* src_yuy2,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src_yuy2
mov edx, [esp + 4 + 8] // dst_u
mov edi, [esp + 4 + 12] // dst_v
mov ecx, [esp + 4 + 16] // width
pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
psrlw xmm5, 8
sub edi, edx
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
lea eax, [eax + 32]
psrlw xmm0, 8 // YUYV -> UVUV
psrlw xmm1, 8
packuswb xmm0, xmm1
movdqa xmm1, xmm0
pand xmm0, xmm5 // U
packuswb xmm0, xmm0
psrlw xmm1, 8 // V
packuswb xmm1, xmm1
movq qword ptr [edx], xmm0
movq qword ptr [edx + edi], xmm1
lea edx, [edx + 8]
sub ecx, 16
jg convertloop
pop edi
ret
}
}
__declspec(naked) void UYVYToYRow_SSE2(const uint8_t* src_uyvy,
uint8_t* dst_y,
int width) {
__asm {
mov eax, [esp + 4] // src_uyvy
mov edx, [esp + 8] // dst_y
mov ecx, [esp + 12] // width
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
lea eax, [eax + 32]
psrlw xmm0, 8 // odd bytes are Y
psrlw xmm1, 8
packuswb xmm0, xmm1
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
ret
}
}
__declspec(naked) void UYVYToUVRow_SSE2(const uint8_t* src_uyvy,
int stride_uyvy,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_yuy2
mov esi, [esp + 8 + 8] // stride_yuy2
mov edx, [esp + 8 + 12] // dst_u
mov edi, [esp + 8 + 16] // dst_v
mov ecx, [esp + 8 + 20] // width
pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
psrlw xmm5, 8
sub edi, edx
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + esi]
movdqu xmm3, [eax + esi + 16]
lea eax, [eax + 32]
pavgb xmm0, xmm2
pavgb xmm1, xmm3
pand xmm0, xmm5 // UYVY -> UVUV
pand xmm1, xmm5
packuswb xmm0, xmm1
movdqa xmm1, xmm0
pand xmm0, xmm5 // U
packuswb xmm0, xmm0
psrlw xmm1, 8 // V
packuswb xmm1, xmm1
movq qword ptr [edx], xmm0
movq qword ptr [edx + edi], xmm1
lea edx, [edx + 8]
sub ecx, 16
jg convertloop
pop edi
pop esi
ret
}
}
__declspec(naked) void UYVYToUV422Row_SSE2(const uint8_t* src_uyvy,
uint8_t* dst_u,
uint8_t* dst_v,
int width) {
__asm {
push edi
mov eax, [esp + 4 + 4] // src_yuy2
mov edx, [esp + 4 + 8] // dst_u
mov edi, [esp + 4 + 12] // dst_v
mov ecx, [esp + 4 + 16] // width
pcmpeqb xmm5, xmm5 // generate mask 0x00ff00ff
psrlw xmm5, 8
sub edi, edx
convertloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
lea eax, [eax + 32]
pand xmm0, xmm5 // UYVY -> UVUV
pand xmm1, xmm5
packuswb xmm0, xmm1
movdqa xmm1, xmm0
pand xmm0, xmm5 // U
packuswb xmm0, xmm0
psrlw xmm1, 8 // V
packuswb xmm1, xmm1
movq qword ptr [edx], xmm0
movq qword ptr [edx + edi], xmm1
lea edx, [edx + 8]
sub ecx, 16
jg convertloop
pop edi
ret
}
}
#endif // HAS_YUY2TOYROW_SSE2
#ifdef HAS_BLENDPLANEROW_SSSE3
// Blend 8 pixels at a time.
// unsigned version of math
// =((A2*C2)+(B2*(255-C2))+255)/256
// signed version of math
// =(((A2-128)*C2)+((B2-128)*(255-C2))+32768+127)/256
__declspec(naked) void BlendPlaneRow_SSSE3(const uint8_t* src0,
const uint8_t* src1,
const uint8_t* alpha,
uint8_t* dst,
int width) {
__asm {
push esi
push edi
pcmpeqb xmm5, xmm5 // generate mask 0xff00ff00
psllw xmm5, 8
mov eax, 0x80808080 // 128 for biasing image to signed.
movd xmm6, eax
pshufd xmm6, xmm6, 0x00
mov eax, 0x807f807f // 32768 + 127 for unbias and round.
movd xmm7, eax
pshufd xmm7, xmm7, 0x00
mov eax, [esp + 8 + 4] // src0
mov edx, [esp + 8 + 8] // src1
mov esi, [esp + 8 + 12] // alpha
mov edi, [esp + 8 + 16] // dst
mov ecx, [esp + 8 + 20] // width
sub eax, esi
sub edx, esi
sub edi, esi
// 8 pixel loop.
convertloop8:
movq xmm0, qword ptr [esi] // alpha
punpcklbw xmm0, xmm0
pxor xmm0, xmm5 // a, 255-a
movq xmm1, qword ptr [eax + esi] // src0
movq xmm2, qword ptr [edx + esi] // src1
punpcklbw xmm1, xmm2
psubb xmm1, xmm6 // bias src0/1 - 128
pmaddubsw xmm0, xmm1
paddw xmm0, xmm7 // unbias result - 32768 and round.
psrlw xmm0, 8
packuswb xmm0, xmm0
movq qword ptr [edi + esi], xmm0
lea esi, [esi + 8]
sub ecx, 8
jg convertloop8
pop edi
pop esi
ret
}
}
#endif // HAS_BLENDPLANEROW_SSSE3
#ifdef HAS_BLENDPLANEROW_AVX2
// Blend 32 pixels at a time.
// unsigned version of math
// =((A2*C2)+(B2*(255-C2))+255)/256
// signed version of math
// =(((A2-128)*C2)+((B2-128)*(255-C2))+32768+127)/256
__declspec(naked) void BlendPlaneRow_AVX2(const uint8_t* src0,
const uint8_t* src1,
const uint8_t* alpha,
uint8_t* dst,
int width) {
__asm {
push esi
push edi
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0xff00ff00
vpsllw ymm5, ymm5, 8
mov eax, 0x80808080 // 128 for biasing image to signed.
vmovd xmm6, eax
vbroadcastss ymm6, xmm6
mov eax, 0x807f807f // 32768 + 127 for unbias and round.
vmovd xmm7, eax
vbroadcastss ymm7, xmm7
mov eax, [esp + 8 + 4] // src0
mov edx, [esp + 8 + 8] // src1
mov esi, [esp + 8 + 12] // alpha
mov edi, [esp + 8 + 16] // dst
mov ecx, [esp + 8 + 20] // width
sub eax, esi
sub edx, esi
sub edi, esi
// 32 pixel loop.
convertloop32:
vmovdqu ymm0, [esi] // alpha
vpunpckhbw ymm3, ymm0, ymm0 // 8..15, 24..31
vpunpcklbw ymm0, ymm0, ymm0 // 0..7, 16..23
vpxor ymm3, ymm3, ymm5 // a, 255-a
vpxor ymm0, ymm0, ymm5 // a, 255-a
vmovdqu ymm1, [eax + esi] // src0
vmovdqu ymm2, [edx + esi] // src1
vpunpckhbw ymm4, ymm1, ymm2
vpunpcklbw ymm1, ymm1, ymm2
vpsubb ymm4, ymm4, ymm6 // bias src0/1 - 128
vpsubb ymm1, ymm1, ymm6 // bias src0/1 - 128
vpmaddubsw ymm3, ymm3, ymm4
vpmaddubsw ymm0, ymm0, ymm1
vpaddw ymm3, ymm3, ymm7 // unbias result - 32768 and round.
vpaddw ymm0, ymm0, ymm7 // unbias result - 32768 and round.
vpsrlw ymm3, ymm3, 8
vpsrlw ymm0, ymm0, 8
vpackuswb ymm0, ymm0, ymm3
vmovdqu [edi + esi], ymm0
lea esi, [esi + 32]
sub ecx, 32
jg convertloop32
pop edi
pop esi
vzeroupper
ret
}
}
#endif // HAS_BLENDPLANEROW_AVX2
#ifdef HAS_ARGBBLENDROW_SSSE3
// Shuffle table for isolating alpha.
static const uvec8 kShuffleAlpha = {3u, 0x80, 3u, 0x80, 7u, 0x80, 7u, 0x80,
11u, 0x80, 11u, 0x80, 15u, 0x80, 15u, 0x80};
// Blend 8 pixels at a time.
__declspec(naked) void ARGBBlendRow_SSSE3(const uint8_t* src_argb0,
const uint8_t* src_argb1,
uint8_t* dst_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_argb0
mov esi, [esp + 4 + 8] // src_argb1
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
pcmpeqb xmm7, xmm7 // generate constant 0x0001
psrlw xmm7, 15
pcmpeqb xmm6, xmm6 // generate mask 0x00ff00ff
psrlw xmm6, 8
pcmpeqb xmm5, xmm5 // generate mask 0xff00ff00
psllw xmm5, 8
pcmpeqb xmm4, xmm4 // generate mask 0xff000000
pslld xmm4, 24
sub ecx, 4
jl convertloop4b // less than 4 pixels?
// 4 pixel loop.
convertloop4:
movdqu xmm3, [eax] // src argb
lea eax, [eax + 16]
movdqa xmm0, xmm3 // src argb
pxor xmm3, xmm4 // ~alpha
movdqu xmm2, [esi] // _r_b
pshufb xmm3, xmmword ptr kShuffleAlpha // alpha
pand xmm2, xmm6 // _r_b
paddw xmm3, xmm7 // 256 - alpha
pmullw xmm2, xmm3 // _r_b * alpha
movdqu xmm1, [esi] // _a_g
lea esi, [esi + 16]
psrlw xmm1, 8 // _a_g
por xmm0, xmm4 // set alpha to 255
pmullw xmm1, xmm3 // _a_g * alpha
psrlw xmm2, 8 // _r_b convert to 8 bits again
paddusb xmm0, xmm2 // + src argb
pand xmm1, xmm5 // a_g_ convert to 8 bits again
paddusb xmm0, xmm1 // + src argb
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 4
jge convertloop4
convertloop4b:
add ecx, 4 - 1
jl convertloop1b
// 1 pixel loop.
convertloop1:
movd xmm3, [eax] // src argb
lea eax, [eax + 4]
movdqa xmm0, xmm3 // src argb
pxor xmm3, xmm4 // ~alpha
movd xmm2, [esi] // _r_b
pshufb xmm3, xmmword ptr kShuffleAlpha // alpha
pand xmm2, xmm6 // _r_b
paddw xmm3, xmm7 // 256 - alpha
pmullw xmm2, xmm3 // _r_b * alpha
movd xmm1, [esi] // _a_g
lea esi, [esi + 4]
psrlw xmm1, 8 // _a_g
por xmm0, xmm4 // set alpha to 255
pmullw xmm1, xmm3 // _a_g * alpha
psrlw xmm2, 8 // _r_b convert to 8 bits again
paddusb xmm0, xmm2 // + src argb
pand xmm1, xmm5 // a_g_ convert to 8 bits again
paddusb xmm0, xmm1 // + src argb
movd [edx], xmm0
lea edx, [edx + 4]
sub ecx, 1
jge convertloop1
convertloop1b:
pop esi
ret
}
}
#endif // HAS_ARGBBLENDROW_SSSE3
#ifdef HAS_ARGBATTENUATEROW_SSSE3
// Shuffle table duplicating alpha.
static const uvec8 kShuffleAlpha0 = {
3u, 3u, 3u, 3u, 3u, 3u, 128u, 128u, 7u, 7u, 7u, 7u, 7u, 7u, 128u, 128u,
};
static const uvec8 kShuffleAlpha1 = {
11u, 11u, 11u, 11u, 11u, 11u, 128u, 128u,
15u, 15u, 15u, 15u, 15u, 15u, 128u, 128u,
};
__declspec(naked) void ARGBAttenuateRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb0
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
pcmpeqb xmm3, xmm3 // generate mask 0xff000000
pslld xmm3, 24
movdqa xmm4, xmmword ptr kShuffleAlpha0
movdqa xmm5, xmmword ptr kShuffleAlpha1
convertloop:
movdqu xmm0, [eax] // read 4 pixels
pshufb xmm0, xmm4 // isolate first 2 alphas
movdqu xmm1, [eax] // read 4 pixels
punpcklbw xmm1, xmm1 // first 2 pixel rgbs
pmulhuw xmm0, xmm1 // rgb * a
movdqu xmm1, [eax] // read 4 pixels
pshufb xmm1, xmm5 // isolate next 2 alphas
movdqu xmm2, [eax] // read 4 pixels
punpckhbw xmm2, xmm2 // next 2 pixel rgbs
pmulhuw xmm1, xmm2 // rgb * a
movdqu xmm2, [eax] // mask original alpha
lea eax, [eax + 16]
pand xmm2, xmm3
psrlw xmm0, 8
psrlw xmm1, 8
packuswb xmm0, xmm1
por xmm0, xmm2 // copy original alpha
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 4
jg convertloop
ret
}
}
#endif // HAS_ARGBATTENUATEROW_SSSE3
#ifdef HAS_ARGBATTENUATEROW_AVX2
// Shuffle table duplicating alpha.
static const uvec8 kShuffleAlpha_AVX2 = {6u, 7u, 6u, 7u, 6u, 7u,
128u, 128u, 14u, 15u, 14u, 15u,
14u, 15u, 128u, 128u};
__declspec(naked) void ARGBAttenuateRow_AVX2(const uint8_t* src_argb,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb0
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
sub edx, eax
vbroadcastf128 ymm4, xmmword ptr kShuffleAlpha_AVX2
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0xff000000
vpslld ymm5, ymm5, 24
convertloop:
vmovdqu ymm6, [eax] // read 8 pixels.
vpunpcklbw ymm0, ymm6, ymm6 // low 4 pixels. mutated.
vpunpckhbw ymm1, ymm6, ymm6 // high 4 pixels. mutated.
vpshufb ymm2, ymm0, ymm4 // low 4 alphas
vpshufb ymm3, ymm1, ymm4 // high 4 alphas
vpmulhuw ymm0, ymm0, ymm2 // rgb * a
vpmulhuw ymm1, ymm1, ymm3 // rgb * a
vpand ymm6, ymm6, ymm5 // isolate alpha
vpsrlw ymm0, ymm0, 8
vpsrlw ymm1, ymm1, 8
vpackuswb ymm0, ymm0, ymm1 // unmutated.
vpor ymm0, ymm0, ymm6 // copy original alpha
vmovdqu [eax + edx], ymm0
lea eax, [eax + 32]
sub ecx, 8
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBATTENUATEROW_AVX2
#ifdef HAS_ARGBUNATTENUATEROW_SSE2
// Unattenuate 4 pixels at a time.
__declspec(naked) void ARGBUnattenuateRow_SSE2(const uint8_t* src_argb,
uint8_t* dst_argb,
int width) {
__asm {
push ebx
push esi
push edi
mov eax, [esp + 12 + 4] // src_argb
mov edx, [esp + 12 + 8] // dst_argb
mov ecx, [esp + 12 + 12] // width
lea ebx, fixed_invtbl8
convertloop:
movdqu xmm0, [eax] // read 4 pixels
movzx esi, byte ptr [eax + 3] // first alpha
movzx edi, byte ptr [eax + 7] // second alpha
punpcklbw xmm0, xmm0 // first 2
movd xmm2, dword ptr [ebx + esi * 4]
movd xmm3, dword ptr [ebx + edi * 4]
pshuflw xmm2, xmm2, 040h // first 4 inv_alpha words. 1, a, a, a
pshuflw xmm3, xmm3, 040h // next 4 inv_alpha words
movlhps xmm2, xmm3
pmulhuw xmm0, xmm2 // rgb * a
movdqu xmm1, [eax] // read 4 pixels
movzx esi, byte ptr [eax + 11] // third alpha
movzx edi, byte ptr [eax + 15] // forth alpha
punpckhbw xmm1, xmm1 // next 2
movd xmm2, dword ptr [ebx + esi * 4]
movd xmm3, dword ptr [ebx + edi * 4]
pshuflw xmm2, xmm2, 040h // first 4 inv_alpha words
pshuflw xmm3, xmm3, 040h // next 4 inv_alpha words
movlhps xmm2, xmm3
pmulhuw xmm1, xmm2 // rgb * a
lea eax, [eax + 16]
packuswb xmm0, xmm1
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 4
jg convertloop
pop edi
pop esi
pop ebx
ret
}
}
#endif // HAS_ARGBUNATTENUATEROW_SSE2
#ifdef HAS_ARGBUNATTENUATEROW_AVX2
// Shuffle table duplicating alpha.
static const uvec8 kUnattenShuffleAlpha_AVX2 = {
0u, 1u, 0u, 1u, 0u, 1u, 6u, 7u, 8u, 9u, 8u, 9u, 8u, 9u, 14u, 15u};
// TODO(fbarchard): Enable USE_GATHER for future hardware if faster.
// USE_GATHER is not on by default, due to being a slow instruction.
#ifdef USE_GATHER
__declspec(naked) void ARGBUnattenuateRow_AVX2(const uint8_t* src_argb,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, [esp + 4] // src_argb0
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
sub edx, eax
vbroadcastf128 ymm4, xmmword ptr kUnattenShuffleAlpha_AVX2
convertloop:
vmovdqu ymm6, [eax] // read 8 pixels.
vpcmpeqb ymm5, ymm5, ymm5 // generate mask 0xffffffff for gather.
vpsrld ymm2, ymm6, 24 // alpha in low 8 bits.
vpunpcklbw ymm0, ymm6, ymm6 // low 4 pixels. mutated.
vpunpckhbw ymm1, ymm6, ymm6 // high 4 pixels. mutated.
vpgatherdd ymm3, [ymm2 * 4 + fixed_invtbl8], ymm5 // ymm5 cleared. 1, a
vpunpcklwd ymm2, ymm3, ymm3 // low 4 inverted alphas. mutated. 1, 1, a, a
vpunpckhwd ymm3, ymm3, ymm3 // high 4 inverted alphas. mutated.
vpshufb ymm2, ymm2, ymm4 // replicate low 4 alphas. 1, a, a, a
vpshufb ymm3, ymm3, ymm4 // replicate high 4 alphas
vpmulhuw ymm0, ymm0, ymm2 // rgb * ia
vpmulhuw ymm1, ymm1, ymm3 // rgb * ia
vpackuswb ymm0, ymm0, ymm1 // unmutated.
vmovdqu [eax + edx], ymm0
lea eax, [eax + 32]
sub ecx, 8
jg convertloop
vzeroupper
ret
}
}
#else // USE_GATHER
__declspec(naked) void ARGBUnattenuateRow_AVX2(const uint8_t* src_argb,
uint8_t* dst_argb,
int width) {
__asm {
push ebx
push esi
push edi
mov eax, [esp + 12 + 4] // src_argb
mov edx, [esp + 12 + 8] // dst_argb
mov ecx, [esp + 12 + 12] // width
sub edx, eax
lea ebx, fixed_invtbl8
vbroadcastf128 ymm5, xmmword ptr kUnattenShuffleAlpha_AVX2
convertloop:
// replace VPGATHER
movzx esi, byte ptr [eax + 3] // alpha0
movzx edi, byte ptr [eax + 7] // alpha1
vmovd xmm0, dword ptr [ebx + esi * 4] // [1,a0]
vmovd xmm1, dword ptr [ebx + edi * 4] // [1,a1]
movzx esi, byte ptr [eax + 11] // alpha2
movzx edi, byte ptr [eax + 15] // alpha3
vpunpckldq xmm6, xmm0, xmm1 // [1,a1,1,a0]
vmovd xmm2, dword ptr [ebx + esi * 4] // [1,a2]
vmovd xmm3, dword ptr [ebx + edi * 4] // [1,a3]
movzx esi, byte ptr [eax + 19] // alpha4
movzx edi, byte ptr [eax + 23] // alpha5
vpunpckldq xmm7, xmm2, xmm3 // [1,a3,1,a2]
vmovd xmm0, dword ptr [ebx + esi * 4] // [1,a4]
vmovd xmm1, dword ptr [ebx + edi * 4] // [1,a5]
movzx esi, byte ptr [eax + 27] // alpha6
movzx edi, byte ptr [eax + 31] // alpha7
vpunpckldq xmm0, xmm0, xmm1 // [1,a5,1,a4]
vmovd xmm2, dword ptr [ebx + esi * 4] // [1,a6]
vmovd xmm3, dword ptr [ebx + edi * 4] // [1,a7]
vpunpckldq xmm2, xmm2, xmm3 // [1,a7,1,a6]
vpunpcklqdq xmm3, xmm6, xmm7 // [1,a3,1,a2,1,a1,1,a0]
vpunpcklqdq xmm0, xmm0, xmm2 // [1,a7,1,a6,1,a5,1,a4]
vinserti128 ymm3, ymm3, xmm0, 1 // [1,a7,1,a6,1,a5,1,a4,1,a3,1,a2,1,a1,1,a0]
// end of VPGATHER
vmovdqu ymm6, [eax] // read 8 pixels.
vpunpcklbw ymm0, ymm6, ymm6 // low 4 pixels. mutated.
vpunpckhbw ymm1, ymm6, ymm6 // high 4 pixels. mutated.
vpunpcklwd ymm2, ymm3, ymm3 // low 4 inverted alphas. mutated. 1, 1, a, a
vpunpckhwd ymm3, ymm3, ymm3 // high 4 inverted alphas. mutated.
vpshufb ymm2, ymm2, ymm5 // replicate low 4 alphas. 1, a, a, a
vpshufb ymm3, ymm3, ymm5 // replicate high 4 alphas
vpmulhuw ymm0, ymm0, ymm2 // rgb * ia
vpmulhuw ymm1, ymm1, ymm3 // rgb * ia
vpackuswb ymm0, ymm0, ymm1 // unmutated.
vmovdqu [eax + edx], ymm0
lea eax, [eax + 32]
sub ecx, 8
jg convertloop
pop edi
pop esi
pop ebx
vzeroupper
ret
}
}
#endif // USE_GATHER
#endif // HAS_ARGBATTENUATEROW_AVX2
#ifdef HAS_ARGBGRAYROW_SSSE3
// Convert 8 ARGB pixels (64 bytes) to 8 Gray ARGB pixels.
__declspec(naked) void ARGBGrayRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_argb,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_argb */
mov ecx, [esp + 12] /* width */
movdqa xmm4, xmmword ptr kARGBToYJ
movdqa xmm5, xmmword ptr kAddYJ64
convertloop:
movdqu xmm0, [eax] // G
movdqu xmm1, [eax + 16]
pmaddubsw xmm0, xmm4
pmaddubsw xmm1, xmm4
phaddw xmm0, xmm1
paddw xmm0, xmm5 // Add .5 for rounding.
psrlw xmm0, 7
packuswb xmm0, xmm0 // 8 G bytes
movdqu xmm2, [eax] // A
movdqu xmm3, [eax + 16]
lea eax, [eax + 32]
psrld xmm2, 24
psrld xmm3, 24
packuswb xmm2, xmm3
packuswb xmm2, xmm2 // 8 A bytes
movdqa xmm3, xmm0 // Weave into GG, GA, then GGGA
punpcklbw xmm0, xmm0 // 8 GG words
punpcklbw xmm3, xmm2 // 8 GA words
movdqa xmm1, xmm0
punpcklwd xmm0, xmm3 // GGGA first 4
punpckhwd xmm1, xmm3 // GGGA next 4
movdqu [edx], xmm0
movdqu [edx + 16], xmm1
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
ret
}
}
#endif // HAS_ARGBGRAYROW_SSSE3
#ifdef HAS_ARGBSEPIAROW_SSSE3
// b = (r * 35 + g * 68 + b * 17) >> 7
// g = (r * 45 + g * 88 + b * 22) >> 7
// r = (r * 50 + g * 98 + b * 24) >> 7
// Constant for ARGB color to sepia tone.
static const vec8 kARGBToSepiaB = {17, 68, 35, 0, 17, 68, 35, 0,
17, 68, 35, 0, 17, 68, 35, 0};
static const vec8 kARGBToSepiaG = {22, 88, 45, 0, 22, 88, 45, 0,
22, 88, 45, 0, 22, 88, 45, 0};
static const vec8 kARGBToSepiaR = {24, 98, 50, 0, 24, 98, 50, 0,
24, 98, 50, 0, 24, 98, 50, 0};
// Convert 8 ARGB pixels (32 bytes) to 8 Sepia ARGB pixels.
__declspec(naked) void ARGBSepiaRow_SSSE3(uint8_t* dst_argb, int width) {
__asm {
mov eax, [esp + 4] /* dst_argb */
mov ecx, [esp + 8] /* width */
movdqa xmm2, xmmword ptr kARGBToSepiaB
movdqa xmm3, xmmword ptr kARGBToSepiaG
movdqa xmm4, xmmword ptr kARGBToSepiaR
convertloop:
movdqu xmm0, [eax] // B
movdqu xmm6, [eax + 16]
pmaddubsw xmm0, xmm2
pmaddubsw xmm6, xmm2
phaddw xmm0, xmm6
psrlw xmm0, 7
packuswb xmm0, xmm0 // 8 B values
movdqu xmm5, [eax] // G
movdqu xmm1, [eax + 16]
pmaddubsw xmm5, xmm3
pmaddubsw xmm1, xmm3
phaddw xmm5, xmm1
psrlw xmm5, 7
packuswb xmm5, xmm5 // 8 G values
punpcklbw xmm0, xmm5 // 8 BG values
movdqu xmm5, [eax] // R
movdqu xmm1, [eax + 16]
pmaddubsw xmm5, xmm4
pmaddubsw xmm1, xmm4
phaddw xmm5, xmm1
psrlw xmm5, 7
packuswb xmm5, xmm5 // 8 R values
movdqu xmm6, [eax] // A
movdqu xmm1, [eax + 16]
psrld xmm6, 24
psrld xmm1, 24
packuswb xmm6, xmm1
packuswb xmm6, xmm6 // 8 A values
punpcklbw xmm5, xmm6 // 8 RA values
movdqa xmm1, xmm0 // Weave BG, RA together
punpcklwd xmm0, xmm5 // BGRA first 4
punpckhwd xmm1, xmm5 // BGRA next 4
movdqu [eax], xmm0
movdqu [eax + 16], xmm1
lea eax, [eax + 32]
sub ecx, 8
jg convertloop
ret
}
}
#endif // HAS_ARGBSEPIAROW_SSSE3
#ifdef HAS_ARGBCOLORMATRIXROW_SSSE3
// Tranform 8 ARGB pixels (32 bytes) with color matrix.
// Same as Sepia except matrix is provided.
// TODO(fbarchard): packuswbs only use half of the reg. To make RGBA, combine R
// and B into a high and low, then G/A, unpackl/hbw and then unpckl/hwd.
__declspec(naked) void ARGBColorMatrixRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_argb,
const int8_t* matrix_argb,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_argb */
mov ecx, [esp + 12] /* matrix_argb */
movdqu xmm5, [ecx]
pshufd xmm2, xmm5, 0x00
pshufd xmm3, xmm5, 0x55
pshufd xmm4, xmm5, 0xaa
pshufd xmm5, xmm5, 0xff
mov ecx, [esp + 16] /* width */
convertloop:
movdqu xmm0, [eax] // B
movdqu xmm7, [eax + 16]
pmaddubsw xmm0, xmm2
pmaddubsw xmm7, xmm2
movdqu xmm6, [eax] // G
movdqu xmm1, [eax + 16]
pmaddubsw xmm6, xmm3
pmaddubsw xmm1, xmm3
phaddsw xmm0, xmm7 // B
phaddsw xmm6, xmm1 // G
psraw xmm0, 6 // B
psraw xmm6, 6 // G
packuswb xmm0, xmm0 // 8 B values
packuswb xmm6, xmm6 // 8 G values
punpcklbw xmm0, xmm6 // 8 BG values
movdqu xmm1, [eax] // R
movdqu xmm7, [eax + 16]
pmaddubsw xmm1, xmm4
pmaddubsw xmm7, xmm4
phaddsw xmm1, xmm7 // R
movdqu xmm6, [eax] // A
movdqu xmm7, [eax + 16]
pmaddubsw xmm6, xmm5
pmaddubsw xmm7, xmm5
phaddsw xmm6, xmm7 // A
psraw xmm1, 6 // R
psraw xmm6, 6 // A
packuswb xmm1, xmm1 // 8 R values
packuswb xmm6, xmm6 // 8 A values
punpcklbw xmm1, xmm6 // 8 RA values
movdqa xmm6, xmm0 // Weave BG, RA together
punpcklwd xmm0, xmm1 // BGRA first 4
punpckhwd xmm6, xmm1 // BGRA next 4
movdqu [edx], xmm0
movdqu [edx + 16], xmm6
lea eax, [eax + 32]
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
ret
}
}
#endif // HAS_ARGBCOLORMATRIXROW_SSSE3
#ifdef HAS_ARGBQUANTIZEROW_SSE2
// Quantize 4 ARGB pixels (16 bytes).
__declspec(naked) void ARGBQuantizeRow_SSE2(uint8_t* dst_argb,
int scale,
int interval_size,
int interval_offset,
int width) {
__asm {
mov eax, [esp + 4] /* dst_argb */
movd xmm2, [esp + 8] /* scale */
movd xmm3, [esp + 12] /* interval_size */
movd xmm4, [esp + 16] /* interval_offset */
mov ecx, [esp + 20] /* width */
pshuflw xmm2, xmm2, 040h
pshufd xmm2, xmm2, 044h
pshuflw xmm3, xmm3, 040h
pshufd xmm3, xmm3, 044h
pshuflw xmm4, xmm4, 040h
pshufd xmm4, xmm4, 044h
pxor xmm5, xmm5 // constant 0
pcmpeqb xmm6, xmm6 // generate mask 0xff000000
pslld xmm6, 24
convertloop:
movdqu xmm0, [eax] // read 4 pixels
punpcklbw xmm0, xmm5 // first 2 pixels
pmulhuw xmm0, xmm2 // pixel * scale >> 16
movdqu xmm1, [eax] // read 4 pixels
punpckhbw xmm1, xmm5 // next 2 pixels
pmulhuw xmm1, xmm2
pmullw xmm0, xmm3 // * interval_size
movdqu xmm7, [eax] // read 4 pixels
pmullw xmm1, xmm3
pand xmm7, xmm6 // mask alpha
paddw xmm0, xmm4 // + interval_size / 2
paddw xmm1, xmm4
packuswb xmm0, xmm1
por xmm0, xmm7
movdqu [eax], xmm0
lea eax, [eax + 16]
sub ecx, 4
jg convertloop
ret
}
}
#endif // HAS_ARGBQUANTIZEROW_SSE2
#ifdef HAS_ARGBSHADEROW_SSE2
// Shade 4 pixels at a time by specified value.
__declspec(naked) void ARGBShadeRow_SSE2(const uint8_t* src_argb,
uint8_t* dst_argb,
int width,
uint32_t value) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // width
movd xmm2, [esp + 16] // value
punpcklbw xmm2, xmm2
punpcklqdq xmm2, xmm2
convertloop:
movdqu xmm0, [eax] // read 4 pixels
lea eax, [eax + 16]
movdqa xmm1, xmm0
punpcklbw xmm0, xmm0 // first 2
punpckhbw xmm1, xmm1 // next 2
pmulhuw xmm0, xmm2 // argb * value
pmulhuw xmm1, xmm2 // argb * value
psrlw xmm0, 8
psrlw xmm1, 8
packuswb xmm0, xmm1
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 4
jg convertloop
ret
}
}
#endif // HAS_ARGBSHADEROW_SSE2
#ifdef HAS_ARGBMULTIPLYROW_SSE2
// Multiply 2 rows of ARGB pixels together, 4 pixels at a time.
__declspec(naked) void ARGBMultiplyRow_SSE2(const uint8_t* src_argb0,
const uint8_t* src_argb1,
uint8_t* dst_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_argb0
mov esi, [esp + 4 + 8] // src_argb1
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
pxor xmm5, xmm5 // constant 0
convertloop:
movdqu xmm0, [eax] // read 4 pixels from src_argb0
movdqu xmm2, [esi] // read 4 pixels from src_argb1
movdqu xmm1, xmm0
movdqu xmm3, xmm2
punpcklbw xmm0, xmm0 // first 2
punpckhbw xmm1, xmm1 // next 2
punpcklbw xmm2, xmm5 // first 2
punpckhbw xmm3, xmm5 // next 2
pmulhuw xmm0, xmm2 // src_argb0 * src_argb1 first 2
pmulhuw xmm1, xmm3 // src_argb0 * src_argb1 next 2
lea eax, [eax + 16]
lea esi, [esi + 16]
packuswb xmm0, xmm1
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 4
jg convertloop
pop esi
ret
}
}
#endif // HAS_ARGBMULTIPLYROW_SSE2
#ifdef HAS_ARGBADDROW_SSE2
// Add 2 rows of ARGB pixels together, 4 pixels at a time.
// TODO(fbarchard): Port this to posix, neon and other math functions.
__declspec(naked) void ARGBAddRow_SSE2(const uint8_t* src_argb0,
const uint8_t* src_argb1,
uint8_t* dst_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_argb0
mov esi, [esp + 4 + 8] // src_argb1
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
sub ecx, 4
jl convertloop49
convertloop4:
movdqu xmm0, [eax] // read 4 pixels from src_argb0
lea eax, [eax + 16]
movdqu xmm1, [esi] // read 4 pixels from src_argb1
lea esi, [esi + 16]
paddusb xmm0, xmm1 // src_argb0 + src_argb1
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 4
jge convertloop4
convertloop49:
add ecx, 4 - 1
jl convertloop19
convertloop1:
movd xmm0, [eax] // read 1 pixels from src_argb0
lea eax, [eax + 4]
movd xmm1, [esi] // read 1 pixels from src_argb1
lea esi, [esi + 4]
paddusb xmm0, xmm1 // src_argb0 + src_argb1
movd [edx], xmm0
lea edx, [edx + 4]
sub ecx, 1
jge convertloop1
convertloop19:
pop esi
ret
}
}
#endif // HAS_ARGBADDROW_SSE2
#ifdef HAS_ARGBSUBTRACTROW_SSE2
// Subtract 2 rows of ARGB pixels together, 4 pixels at a time.
__declspec(naked) void ARGBSubtractRow_SSE2(const uint8_t* src_argb0,
const uint8_t* src_argb1,
uint8_t* dst_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_argb0
mov esi, [esp + 4 + 8] // src_argb1
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
convertloop:
movdqu xmm0, [eax] // read 4 pixels from src_argb0
lea eax, [eax + 16]
movdqu xmm1, [esi] // read 4 pixels from src_argb1
lea esi, [esi + 16]
psubusb xmm0, xmm1 // src_argb0 - src_argb1
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 4
jg convertloop
pop esi
ret
}
}
#endif // HAS_ARGBSUBTRACTROW_SSE2
#ifdef HAS_ARGBMULTIPLYROW_AVX2
// Multiply 2 rows of ARGB pixels together, 8 pixels at a time.
__declspec(naked) void ARGBMultiplyRow_AVX2(const uint8_t* src_argb0,
const uint8_t* src_argb1,
uint8_t* dst_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_argb0
mov esi, [esp + 4 + 8] // src_argb1
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
vpxor ymm5, ymm5, ymm5 // constant 0
convertloop:
vmovdqu ymm1, [eax] // read 8 pixels from src_argb0
lea eax, [eax + 32]
vmovdqu ymm3, [esi] // read 8 pixels from src_argb1
lea esi, [esi + 32]
vpunpcklbw ymm0, ymm1, ymm1 // low 4
vpunpckhbw ymm1, ymm1, ymm1 // high 4
vpunpcklbw ymm2, ymm3, ymm5 // low 4
vpunpckhbw ymm3, ymm3, ymm5 // high 4
vpmulhuw ymm0, ymm0, ymm2 // src_argb0 * src_argb1 low 4
vpmulhuw ymm1, ymm1, ymm3 // src_argb0 * src_argb1 high 4
vpackuswb ymm0, ymm0, ymm1
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
pop esi
vzeroupper
ret
}
}
#endif // HAS_ARGBMULTIPLYROW_AVX2
#ifdef HAS_ARGBADDROW_AVX2
// Add 2 rows of ARGB pixels together, 8 pixels at a time.
__declspec(naked) void ARGBAddRow_AVX2(const uint8_t* src_argb0,
const uint8_t* src_argb1,
uint8_t* dst_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_argb0
mov esi, [esp + 4 + 8] // src_argb1
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
convertloop:
vmovdqu ymm0, [eax] // read 8 pixels from src_argb0
lea eax, [eax + 32]
vpaddusb ymm0, ymm0, [esi] // add 8 pixels from src_argb1
lea esi, [esi + 32]
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
pop esi
vzeroupper
ret
}
}
#endif // HAS_ARGBADDROW_AVX2
#ifdef HAS_ARGBSUBTRACTROW_AVX2
// Subtract 2 rows of ARGB pixels together, 8 pixels at a time.
__declspec(naked) void ARGBSubtractRow_AVX2(const uint8_t* src_argb0,
const uint8_t* src_argb1,
uint8_t* dst_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_argb0
mov esi, [esp + 4 + 8] // src_argb1
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
convertloop:
vmovdqu ymm0, [eax] // read 8 pixels from src_argb0
lea eax, [eax + 32]
vpsubusb ymm0, ymm0, [esi] // src_argb0 - src_argb1
lea esi, [esi + 32]
vmovdqu [edx], ymm0
lea edx, [edx + 32]
sub ecx, 8
jg convertloop
pop esi
vzeroupper
ret
}
}
#endif // HAS_ARGBSUBTRACTROW_AVX2
#ifdef HAS_SOBELXROW_SSE2
// SobelX as a matrix is
// -1 0 1
// -2 0 2
// -1 0 1
__declspec(naked) void SobelXRow_SSE2(const uint8_t* src_y0,
const uint8_t* src_y1,
const uint8_t* src_y2,
uint8_t* dst_sobelx,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_y0
mov esi, [esp + 8 + 8] // src_y1
mov edi, [esp + 8 + 12] // src_y2
mov edx, [esp + 8 + 16] // dst_sobelx
mov ecx, [esp + 8 + 20] // width
sub esi, eax
sub edi, eax
sub edx, eax
pxor xmm5, xmm5 // constant 0
convertloop:
movq xmm0, qword ptr [eax] // read 8 pixels from src_y0[0]
movq xmm1, qword ptr [eax + 2] // read 8 pixels from src_y0[2]
punpcklbw xmm0, xmm5
punpcklbw xmm1, xmm5
psubw xmm0, xmm1
movq xmm1, qword ptr [eax + esi] // read 8 pixels from src_y1[0]
movq xmm2, qword ptr [eax + esi + 2] // read 8 pixels from src_y1[2]
punpcklbw xmm1, xmm5
punpcklbw xmm2, xmm5
psubw xmm1, xmm2
movq xmm2, qword ptr [eax + edi] // read 8 pixels from src_y2[0]
movq xmm3, qword ptr [eax + edi + 2] // read 8 pixels from src_y2[2]
punpcklbw xmm2, xmm5
punpcklbw xmm3, xmm5
psubw xmm2, xmm3
paddw xmm0, xmm2
paddw xmm0, xmm1
paddw xmm0, xmm1
pxor xmm1, xmm1 // abs = max(xmm0, -xmm0). SSSE3 could use pabsw
psubw xmm1, xmm0
pmaxsw xmm0, xmm1
packuswb xmm0, xmm0
movq qword ptr [eax + edx], xmm0
lea eax, [eax + 8]
sub ecx, 8
jg convertloop
pop edi
pop esi
ret
}
}
#endif // HAS_SOBELXROW_SSE2
#ifdef HAS_SOBELYROW_SSE2
// SobelY as a matrix is
// -1 -2 -1
// 0 0 0
// 1 2 1
__declspec(naked) void SobelYRow_SSE2(const uint8_t* src_y0,
const uint8_t* src_y1,
uint8_t* dst_sobely,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_y0
mov esi, [esp + 4 + 8] // src_y1
mov edx, [esp + 4 + 12] // dst_sobely
mov ecx, [esp + 4 + 16] // width
sub esi, eax
sub edx, eax
pxor xmm5, xmm5 // constant 0
convertloop:
movq xmm0, qword ptr [eax] // read 8 pixels from src_y0[0]
movq xmm1, qword ptr [eax + esi] // read 8 pixels from src_y1[0]
punpcklbw xmm0, xmm5
punpcklbw xmm1, xmm5
psubw xmm0, xmm1
movq xmm1, qword ptr [eax + 1] // read 8 pixels from src_y0[1]
movq xmm2, qword ptr [eax + esi + 1] // read 8 pixels from src_y1[1]
punpcklbw xmm1, xmm5
punpcklbw xmm2, xmm5
psubw xmm1, xmm2
movq xmm2, qword ptr [eax + 2] // read 8 pixels from src_y0[2]
movq xmm3, qword ptr [eax + esi + 2] // read 8 pixels from src_y1[2]
punpcklbw xmm2, xmm5
punpcklbw xmm3, xmm5
psubw xmm2, xmm3
paddw xmm0, xmm2
paddw xmm0, xmm1
paddw xmm0, xmm1
pxor xmm1, xmm1 // abs = max(xmm0, -xmm0). SSSE3 could use pabsw
psubw xmm1, xmm0
pmaxsw xmm0, xmm1
packuswb xmm0, xmm0
movq qword ptr [eax + edx], xmm0
lea eax, [eax + 8]
sub ecx, 8
jg convertloop
pop esi
ret
}
}
#endif // HAS_SOBELYROW_SSE2
#ifdef HAS_SOBELROW_SSE2
// Adds Sobel X and Sobel Y and stores Sobel into ARGB.
// A = 255
// R = Sobel
// G = Sobel
// B = Sobel
__declspec(naked) void SobelRow_SSE2(const uint8_t* src_sobelx,
const uint8_t* src_sobely,
uint8_t* dst_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_sobelx
mov esi, [esp + 4 + 8] // src_sobely
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
sub esi, eax
pcmpeqb xmm5, xmm5 // alpha 255
pslld xmm5, 24 // 0xff000000
convertloop:
movdqu xmm0, [eax] // read 16 pixels src_sobelx
movdqu xmm1, [eax + esi] // read 16 pixels src_sobely
lea eax, [eax + 16]
paddusb xmm0, xmm1 // sobel = sobelx + sobely
movdqa xmm2, xmm0 // GG
punpcklbw xmm2, xmm0 // First 8
punpckhbw xmm0, xmm0 // Next 8
movdqa xmm1, xmm2 // GGGG
punpcklwd xmm1, xmm2 // First 4
punpckhwd xmm2, xmm2 // Next 4
por xmm1, xmm5 // GGGA
por xmm2, xmm5
movdqa xmm3, xmm0 // GGGG
punpcklwd xmm3, xmm0 // Next 4
punpckhwd xmm0, xmm0 // Last 4
por xmm3, xmm5 // GGGA
por xmm0, xmm5
movdqu [edx], xmm1
movdqu [edx + 16], xmm2
movdqu [edx + 32], xmm3
movdqu [edx + 48], xmm0
lea edx, [edx + 64]
sub ecx, 16
jg convertloop
pop esi
ret
}
}
#endif // HAS_SOBELROW_SSE2
#ifdef HAS_SOBELTOPLANEROW_SSE2
// Adds Sobel X and Sobel Y and stores Sobel into a plane.
__declspec(naked) void SobelToPlaneRow_SSE2(const uint8_t* src_sobelx,
const uint8_t* src_sobely,
uint8_t* dst_y,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_sobelx
mov esi, [esp + 4 + 8] // src_sobely
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
sub esi, eax
convertloop:
movdqu xmm0, [eax] // read 16 pixels src_sobelx
movdqu xmm1, [eax + esi] // read 16 pixels src_sobely
lea eax, [eax + 16]
paddusb xmm0, xmm1 // sobel = sobelx + sobely
movdqu [edx], xmm0
lea edx, [edx + 16]
sub ecx, 16
jg convertloop
pop esi
ret
}
}
#endif // HAS_SOBELTOPLANEROW_SSE2
#ifdef HAS_SOBELXYROW_SSE2
// Mixes Sobel X, Sobel Y and Sobel into ARGB.
// A = 255
// R = Sobel X
// G = Sobel
// B = Sobel Y
__declspec(naked) void SobelXYRow_SSE2(const uint8_t* src_sobelx,
const uint8_t* src_sobely,
uint8_t* dst_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] // src_sobelx
mov esi, [esp + 4 + 8] // src_sobely
mov edx, [esp + 4 + 12] // dst_argb
mov ecx, [esp + 4 + 16] // width
sub esi, eax
pcmpeqb xmm5, xmm5 // alpha 255
convertloop:
movdqu xmm0, [eax] // read 16 pixels src_sobelx
movdqu xmm1, [eax + esi] // read 16 pixels src_sobely
lea eax, [eax + 16]
movdqa xmm2, xmm0
paddusb xmm2, xmm1 // sobel = sobelx + sobely
movdqa xmm3, xmm0 // XA
punpcklbw xmm3, xmm5
punpckhbw xmm0, xmm5
movdqa xmm4, xmm1 // YS
punpcklbw xmm4, xmm2
punpckhbw xmm1, xmm2
movdqa xmm6, xmm4 // YSXA
punpcklwd xmm6, xmm3 // First 4
punpckhwd xmm4, xmm3 // Next 4
movdqa xmm7, xmm1 // YSXA
punpcklwd xmm7, xmm0 // Next 4
punpckhwd xmm1, xmm0 // Last 4
movdqu [edx], xmm6
movdqu [edx + 16], xmm4
movdqu [edx + 32], xmm7
movdqu [edx + 48], xmm1
lea edx, [edx + 64]
sub ecx, 16
jg convertloop
pop esi
ret
}
}
#endif // HAS_SOBELXYROW_SSE2
#ifdef HAS_CUMULATIVESUMTOAVERAGEROW_SSE2
// Consider float CumulativeSum.
// Consider calling CumulativeSum one row at time as needed.
// Consider circular CumulativeSum buffer of radius * 2 + 1 height.
// Convert cumulative sum for an area to an average for 1 pixel.
// topleft is pointer to top left of CumulativeSum buffer for area.
// botleft is pointer to bottom left of CumulativeSum buffer.
// width is offset from left to right of area in CumulativeSum buffer measured
// in number of ints.
// area is the number of pixels in the area being averaged.
// dst points to pixel to store result to.
// count is number of averaged pixels to produce.
// Does 4 pixels at a time.
// This function requires alignment on accumulation buffer pointers.
void CumulativeSumToAverageRow_SSE2(const int32_t* topleft,
const int32_t* botleft,
int width,
int area,
uint8_t* dst,
int count) {
__asm {
mov eax, topleft // eax topleft
mov esi, botleft // esi botleft
mov edx, width
movd xmm5, area
mov edi, dst
mov ecx, count
cvtdq2ps xmm5, xmm5
rcpss xmm4, xmm5 // 1.0f / area
pshufd xmm4, xmm4, 0
sub ecx, 4
jl l4b
cmp area, 128 // 128 pixels will not overflow 15 bits.
ja l4
pshufd xmm5, xmm5, 0 // area
pcmpeqb xmm6, xmm6 // constant of 65536.0 - 1 = 65535.0
psrld xmm6, 16
cvtdq2ps xmm6, xmm6
addps xmm5, xmm6 // (65536.0 + area - 1)
mulps xmm5, xmm4 // (65536.0 + area - 1) * 1 / area
cvtps2dq xmm5, xmm5 // 0.16 fixed point
packssdw xmm5, xmm5 // 16 bit shorts
// 4 pixel loop small blocks.
s4:
// top left
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
// - top right
psubd xmm0, [eax + edx * 4]
psubd xmm1, [eax + edx * 4 + 16]
psubd xmm2, [eax + edx * 4 + 32]
psubd xmm3, [eax + edx * 4 + 48]
lea eax, [eax + 64]
// - bottom left
psubd xmm0, [esi]
psubd xmm1, [esi + 16]
psubd xmm2, [esi + 32]
psubd xmm3, [esi + 48]
// + bottom right
paddd xmm0, [esi + edx * 4]
paddd xmm1, [esi + edx * 4 + 16]
paddd xmm2, [esi + edx * 4 + 32]
paddd xmm3, [esi + edx * 4 + 48]
lea esi, [esi + 64]
packssdw xmm0, xmm1 // pack 4 pixels into 2 registers
packssdw xmm2, xmm3
pmulhuw xmm0, xmm5
pmulhuw xmm2, xmm5
packuswb xmm0, xmm2
movdqu [edi], xmm0
lea edi, [edi + 16]
sub ecx, 4
jge s4
jmp l4b
// 4 pixel loop
l4:
// top left
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
movdqu xmm2, [eax + 32]
movdqu xmm3, [eax + 48]
// - top right
psubd xmm0, [eax + edx * 4]
psubd xmm1, [eax + edx * 4 + 16]
psubd xmm2, [eax + edx * 4 + 32]
psubd xmm3, [eax + edx * 4 + 48]
lea eax, [eax + 64]
// - bottom left
psubd xmm0, [esi]
psubd xmm1, [esi + 16]
psubd xmm2, [esi + 32]
psubd xmm3, [esi + 48]
// + bottom right
paddd xmm0, [esi + edx * 4]
paddd xmm1, [esi + edx * 4 + 16]
paddd xmm2, [esi + edx * 4 + 32]
paddd xmm3, [esi + edx * 4 + 48]
lea esi, [esi + 64]
cvtdq2ps xmm0, xmm0 // Average = Sum * 1 / Area
cvtdq2ps xmm1, xmm1
mulps xmm0, xmm4
mulps xmm1, xmm4
cvtdq2ps xmm2, xmm2
cvtdq2ps xmm3, xmm3
mulps xmm2, xmm4
mulps xmm3, xmm4
cvtps2dq xmm0, xmm0
cvtps2dq xmm1, xmm1
cvtps2dq xmm2, xmm2
cvtps2dq xmm3, xmm3
packssdw xmm0, xmm1
packssdw xmm2, xmm3
packuswb xmm0, xmm2
movdqu [edi], xmm0
lea edi, [edi + 16]
sub ecx, 4
jge l4
l4b:
add ecx, 4 - 1
jl l1b
// 1 pixel loop
l1:
movdqu xmm0, [eax]
psubd xmm0, [eax + edx * 4]
lea eax, [eax + 16]
psubd xmm0, [esi]
paddd xmm0, [esi + edx * 4]
lea esi, [esi + 16]
cvtdq2ps xmm0, xmm0
mulps xmm0, xmm4
cvtps2dq xmm0, xmm0
packssdw xmm0, xmm0
packuswb xmm0, xmm0
movd dword ptr [edi], xmm0
lea edi, [edi + 4]
sub ecx, 1
jge l1
l1b:
}
}
#endif // HAS_CUMULATIVESUMTOAVERAGEROW_SSE2
#ifdef HAS_COMPUTECUMULATIVESUMROW_SSE2
// Creates a table of cumulative sums where each value is a sum of all values
// above and to the left of the value.
void ComputeCumulativeSumRow_SSE2(const uint8_t* row,
int32_t* cumsum,
const int32_t* previous_cumsum,
int width) {
__asm {
mov eax, row
mov edx, cumsum
mov esi, previous_cumsum
mov ecx, width
pxor xmm0, xmm0
pxor xmm1, xmm1
sub ecx, 4
jl l4b
test edx, 15
jne l4b
// 4 pixel loop
l4:
movdqu xmm2, [eax] // 4 argb pixels 16 bytes.
lea eax, [eax + 16]
movdqa xmm4, xmm2
punpcklbw xmm2, xmm1
movdqa xmm3, xmm2
punpcklwd xmm2, xmm1
punpckhwd xmm3, xmm1
punpckhbw xmm4, xmm1
movdqa xmm5, xmm4
punpcklwd xmm4, xmm1
punpckhwd xmm5, xmm1
paddd xmm0, xmm2
movdqu xmm2, [esi] // previous row above.
paddd xmm2, xmm0
paddd xmm0, xmm3
movdqu xmm3, [esi + 16]
paddd xmm3, xmm0
paddd xmm0, xmm4
movdqu xmm4, [esi + 32]
paddd xmm4, xmm0
paddd xmm0, xmm5
movdqu xmm5, [esi + 48]
lea esi, [esi + 64]
paddd xmm5, xmm0
movdqu [edx], xmm2
movdqu [edx + 16], xmm3
movdqu [edx + 32], xmm4
movdqu [edx + 48], xmm5
lea edx, [edx + 64]
sub ecx, 4
jge l4
l4b:
add ecx, 4 - 1
jl l1b
// 1 pixel loop
l1:
movd xmm2, dword ptr [eax] // 1 argb pixel 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) LIBYUV_API void ARGBAffineRow_SSE2(const uint8_t* src_argb,
int src_argb_stride,
uint8_t* dst_argb,
const float* uv_dudv,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 12] // src_argb
mov esi, [esp + 16] // stride
mov edx, [esp + 20] // dst_argb
mov ecx, [esp + 24] // pointer to uv_dudv
movq xmm2, qword ptr [ecx] // uv
movq xmm7, qword ptr [ecx + 8] // dudv
mov ecx, [esp + 28] // width
shl esi, 16 // 4, stride
add esi, 4
movd xmm5, esi
sub ecx, 4
jl l4b
// setup for 4 pixel loop
pshufd xmm7, xmm7, 0x44 // dup dudv
pshufd xmm5, xmm5, 0 // dup 4, stride
movdqa xmm0, xmm2 // x0, y0, x1, y1
addps xmm0, xmm7
movlhps xmm2, xmm0
movdqa xmm4, xmm7
addps xmm4, xmm4 // dudv *= 2
movdqa xmm3, xmm2 // x2, y2, x3, y3
addps xmm3, xmm4
addps xmm4, xmm4 // dudv *= 4
// 4 pixel loop
l4:
cvttps2dq xmm0, xmm2 // x, y float to int first 2
cvttps2dq xmm1, xmm3 // x, y float to int next 2
packssdw xmm0, xmm1 // x, y as 8 shorts
pmaddwd xmm0, xmm5 // offsets = x * 4 + y * stride.
movd esi, xmm0
pshufd xmm0, xmm0, 0x39 // shift right
movd edi, xmm0
pshufd xmm0, xmm0, 0x39 // shift right
movd xmm1, [eax + esi] // read pixel 0
movd xmm6, [eax + edi] // read pixel 1
punpckldq xmm1, xmm6 // combine pixel 0 and 1
addps xmm2, xmm4 // x, y += dx, dy first 2
movq qword ptr [edx], xmm1
movd esi, xmm0
pshufd xmm0, xmm0, 0x39 // shift right
movd edi, xmm0
movd xmm6, [eax + esi] // read pixel 2
movd xmm0, [eax + edi] // read pixel 3
punpckldq xmm6, xmm0 // combine pixel 2 and 3
addps xmm3, xmm4 // x, y += dx, dy next 2
movq qword ptr 8[edx], xmm6
lea edx, [edx + 16]
sub ecx, 4
jge l4
l4b:
add ecx, 4 - 1
jl l1b
// 1 pixel loop
l1:
cvttps2dq xmm0, xmm2 // x, y float to int
packssdw xmm0, xmm0 // x, y as shorts
pmaddwd xmm0, xmm5 // offset = x * 4 + y * stride
addps xmm2, xmm7 // x, y += dx, dy
movd esi, xmm0
movd xmm0, [eax + esi] // copy a pixel
movd [edx], xmm0
lea edx, [edx + 4]
sub ecx, 1
jge l1
l1b:
pop edi
pop esi
ret
}
}
#endif // HAS_ARGBAFFINEROW_SSE2
#ifdef HAS_INTERPOLATEROW_AVX2
// Bilinear filter 32x2 -> 32x1
__declspec(naked) void InterpolateRow_AVX2(uint8_t* dst_ptr,
const uint8_t* src_ptr,
ptrdiff_t src_stride,
int dst_width,
int source_y_fraction) {
__asm {
push esi
push edi
mov edi, [esp + 8 + 4] // dst_ptr
mov esi, [esp + 8 + 8] // src_ptr
mov edx, [esp + 8 + 12] // src_stride
mov ecx, [esp + 8 + 16] // dst_width
mov eax, [esp + 8 + 20] // source_y_fraction (0..255)
// Dispatch to specialized filters if applicable.
cmp eax, 0
je xloop100 // 0 / 256. Blend 100 / 0.
sub edi, esi
cmp eax, 128
je xloop50 // 128 /256 is 0.50. Blend 50 / 50.
vmovd xmm0, eax // high fraction 0..255
neg eax
add eax, 256
vmovd xmm5, eax // low fraction 256..1
vpunpcklbw xmm5, xmm5, xmm0
vpunpcklwd xmm5, xmm5, xmm5
vbroadcastss ymm5, xmm5
mov eax, 0x80808080 // 128b for bias and rounding.
vmovd xmm4, eax
vbroadcastss ymm4, xmm4
xloop:
vmovdqu ymm0, [esi]
vmovdqu ymm2, [esi + edx]
vpunpckhbw ymm1, ymm0, ymm2 // mutates
vpunpcklbw ymm0, ymm0, ymm2
vpsubb ymm1, ymm1, ymm4 // bias to signed image
vpsubb ymm0, ymm0, ymm4
vpmaddubsw ymm1, ymm5, ymm1
vpmaddubsw ymm0, ymm5, ymm0
vpaddw ymm1, ymm1, ymm4 // unbias and round
vpaddw ymm0, ymm0, ymm4
vpsrlw ymm1, ymm1, 8
vpsrlw ymm0, ymm0, 8
vpackuswb ymm0, ymm0, ymm1 // unmutates
vmovdqu [esi + edi], ymm0
lea esi, [esi + 32]
sub ecx, 32
jg xloop
jmp xloop99
// Blend 50 / 50.
xloop50:
vmovdqu ymm0, [esi]
vpavgb ymm0, ymm0, [esi + edx]
vmovdqu [esi + edi], ymm0
lea esi, [esi + 32]
sub ecx, 32
jg xloop50
jmp xloop99
// Blend 100 / 0 - Copy row unchanged.
xloop100:
rep movsb
xloop99:
pop edi
pop esi
vzeroupper
ret
}
}
#endif // HAS_INTERPOLATEROW_AVX2
// Bilinear filter 16x2 -> 16x1
// TODO(fbarchard): Consider allowing 256 using memcpy.
__declspec(naked) void InterpolateRow_SSSE3(uint8_t* dst_ptr,
const uint8_t* src_ptr,
ptrdiff_t src_stride,
int dst_width,
int source_y_fraction) {
__asm {
push esi
push edi
mov edi, [esp + 8 + 4] // dst_ptr
mov esi, [esp + 8 + 8] // src_ptr
mov edx, [esp + 8 + 12] // src_stride
mov ecx, [esp + 8 + 16] // dst_width
mov eax, [esp + 8 + 20] // source_y_fraction (0..255)
sub edi, esi
// Dispatch to specialized filters if applicable.
cmp eax, 0
je xloop100 // 0 /256. Blend 100 / 0.
cmp eax, 128
je xloop50 // 128 / 256 is 0.50. Blend 50 / 50.
movd xmm0, eax // high fraction 0..255
neg eax
add eax, 256
movd xmm5, eax // low fraction 255..1
punpcklbw xmm5, xmm0
punpcklwd xmm5, xmm5
pshufd xmm5, xmm5, 0
mov eax, 0x80808080 // 128 for biasing image to signed.
movd xmm4, eax
pshufd xmm4, xmm4, 0x00
xloop:
movdqu xmm0, [esi]
movdqu xmm2, [esi + edx]
movdqu xmm1, xmm0
punpcklbw xmm0, xmm2
punpckhbw xmm1, xmm2
psubb xmm0, xmm4 // bias image by -128
psubb xmm1, xmm4
movdqa xmm2, xmm5
movdqa xmm3, xmm5
pmaddubsw xmm2, xmm0
pmaddubsw xmm3, xmm1
paddw xmm2, xmm4
paddw xmm3, xmm4
psrlw xmm2, 8
psrlw xmm3, 8
packuswb xmm2, xmm3
movdqu [esi + edi], xmm2
lea esi, [esi + 16]
sub ecx, 16
jg xloop
jmp xloop99
// Blend 50 / 50.
xloop50:
movdqu xmm0, [esi]
movdqu xmm1, [esi + edx]
pavgb xmm0, xmm1
movdqu [esi + edi], xmm0
lea esi, [esi + 16]
sub ecx, 16
jg xloop50
jmp xloop99
// Blend 100 / 0 - Copy row unchanged.
xloop100:
movdqu xmm0, [esi]
movdqu [esi + edi], xmm0
lea esi, [esi + 16]
sub ecx, 16
jg xloop100
xloop99:
pop edi
pop esi
ret
}
}
// For BGRAToARGB, ABGRToARGB, RGBAToARGB, and ARGBToRGBA.
__declspec(naked) void ARGBShuffleRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_argb,
const uint8_t* shuffler,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // shuffler
movdqu xmm5, [ecx]
mov ecx, [esp + 16] // width
wloop:
movdqu xmm0, [eax]
movdqu xmm1, [eax + 16]
lea eax, [eax + 32]
pshufb xmm0, xmm5
pshufb xmm1, xmm5
movdqu [edx], xmm0
movdqu [edx + 16], xmm1
lea edx, [edx + 32]
sub ecx, 8
jg wloop
ret
}
}
#ifdef HAS_ARGBSHUFFLEROW_AVX2
__declspec(naked) void ARGBShuffleRow_AVX2(const uint8_t* src_argb,
uint8_t* dst_argb,
const uint8_t* shuffler,
int width) {
__asm {
mov eax, [esp + 4] // src_argb
mov edx, [esp + 8] // dst_argb
mov ecx, [esp + 12] // shuffler
vbroadcastf128 ymm5, [ecx] // same shuffle in high as low.
mov ecx, [esp + 16] // width
wloop:
vmovdqu ymm0, [eax]
vmovdqu ymm1, [eax + 32]
lea eax, [eax + 64]
vpshufb ymm0, ymm0, ymm5
vpshufb ymm1, ymm1, ymm5
vmovdqu [edx], ymm0
vmovdqu [edx + 32], ymm1
lea edx, [edx + 64]
sub ecx, 16
jg wloop
vzeroupper
ret
}
}
#endif // HAS_ARGBSHUFFLEROW_AVX2
// YUY2 - Macro-pixel = 2 image pixels
// Y0U0Y1V0....Y2U2Y3V2...Y4U4Y5V4....
// UYVY - Macro-pixel = 2 image pixels
// U0Y0V0Y1
__declspec(naked) void I422ToYUY2Row_SSE2(const uint8_t* src_y,
const uint8_t* src_u,
const uint8_t* src_v,
uint8_t* dst_frame,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_y
mov esi, [esp + 8 + 8] // src_u
mov edx, [esp + 8 + 12] // src_v
mov edi, [esp + 8 + 16] // dst_frame
mov ecx, [esp + 8 + 20] // width
sub edx, esi
convertloop:
movq xmm2, qword ptr [esi] // U
movq xmm3, qword ptr [esi + edx] // V
lea esi, [esi + 8]
punpcklbw xmm2, xmm3 // UV
movdqu xmm0, [eax] // Y
lea eax, [eax + 16]
movdqa xmm1, xmm0
punpcklbw xmm0, xmm2 // YUYV
punpckhbw xmm1, xmm2
movdqu [edi], xmm0
movdqu [edi + 16], xmm1
lea edi, [edi + 32]
sub ecx, 16
jg convertloop
pop edi
pop esi
ret
}
}
__declspec(naked) void I422ToUYVYRow_SSE2(const uint8_t* src_y,
const uint8_t* src_u,
const uint8_t* src_v,
uint8_t* dst_frame,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // src_y
mov esi, [esp + 8 + 8] // src_u
mov edx, [esp + 8 + 12] // src_v
mov edi, [esp + 8 + 16] // dst_frame
mov ecx, [esp + 8 + 20] // width
sub edx, esi
convertloop:
movq xmm2, qword ptr [esi] // U
movq xmm3, qword ptr [esi + edx] // V
lea esi, [esi + 8]
punpcklbw xmm2, xmm3 // UV
movdqu xmm0, [eax] // Y
movdqa xmm1, xmm2
lea eax, [eax + 16]
punpcklbw xmm1, xmm0 // UYVY
punpckhbw xmm2, xmm0
movdqu [edi], xmm1
movdqu [edi + 16], xmm2
lea edi, [edi + 32]
sub ecx, 16
jg convertloop
pop edi
pop esi
ret
}
}
#ifdef HAS_ARGBPOLYNOMIALROW_SSE2
__declspec(naked) void ARGBPolynomialRow_SSE2(const uint8_t* src_argb,
uint8_t* dst_argb,
const float* poly,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] /* src_argb */
mov edx, [esp + 4 + 8] /* dst_argb */
mov esi, [esp + 4 + 12] /* poly */
mov ecx, [esp + 4 + 16] /* width */
pxor xmm3, xmm3 // 0 constant for zero extending bytes to ints.
// 2 pixel loop.
convertloop:
// pmovzxbd xmm0, dword ptr [eax] // BGRA pixel
// pmovzxbd xmm4, dword ptr [eax + 4] // BGRA pixel
movq xmm0, qword ptr [eax] // BGRABGRA
lea eax, [eax + 8]
punpcklbw xmm0, xmm3
movdqa xmm4, xmm0
punpcklwd xmm0, xmm3 // pixel 0
punpckhwd xmm4, xmm3 // pixel 1
cvtdq2ps xmm0, xmm0 // 4 floats
cvtdq2ps xmm4, xmm4
movdqa xmm1, xmm0 // X
movdqa xmm5, xmm4
mulps xmm0, [esi + 16] // C1 * X
mulps xmm4, [esi + 16]
addps xmm0, [esi] // result = C0 + C1 * X
addps xmm4, [esi]
movdqa xmm2, xmm1
movdqa xmm6, xmm5
mulps xmm2, xmm1 // X * X
mulps xmm6, xmm5
mulps xmm1, xmm2 // X * X * X
mulps xmm5, xmm6
mulps xmm2, [esi + 32] // C2 * X * X
mulps xmm6, [esi + 32]
mulps xmm1, [esi + 48] // C3 * X * X * X
mulps xmm5, [esi + 48]
addps xmm0, xmm2 // result += C2 * X * X
addps xmm4, xmm6
addps xmm0, xmm1 // result += C3 * X * X * X
addps xmm4, xmm5
cvttps2dq xmm0, xmm0
cvttps2dq xmm4, xmm4
packuswb xmm0, xmm4
packuswb xmm0, xmm0
movq qword ptr [edx], xmm0
lea edx, [edx + 8]
sub ecx, 2
jg convertloop
pop esi
ret
}
}
#endif // HAS_ARGBPOLYNOMIALROW_SSE2
#ifdef HAS_ARGBPOLYNOMIALROW_AVX2
__declspec(naked) void ARGBPolynomialRow_AVX2(const uint8_t* src_argb,
uint8_t* dst_argb,
const float* poly,
int width) {
__asm {
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_argb */
mov ecx, [esp + 12] /* poly */
vbroadcastf128 ymm4, [ecx] // C0
vbroadcastf128 ymm5, [ecx + 16] // C1
vbroadcastf128 ymm6, [ecx + 32] // C2
vbroadcastf128 ymm7, [ecx + 48] // C3
mov ecx, [esp + 16] /* width */
// 2 pixel loop.
convertloop:
vpmovzxbd ymm0, qword ptr [eax] // 2 BGRA pixels
lea eax, [eax + 8]
vcvtdq2ps ymm0, ymm0 // X 8 floats
vmulps ymm2, ymm0, ymm0 // X * X
vmulps ymm3, ymm0, ymm7 // C3 * X
vfmadd132ps ymm0, ymm4, ymm5 // result = C0 + C1 * X
vfmadd231ps ymm0, ymm2, ymm6 // result += C2 * X * X
vfmadd231ps ymm0, ymm2, ymm3 // result += C3 * X * X * X
vcvttps2dq ymm0, ymm0
vpackusdw ymm0, ymm0, ymm0 // b0g0r0a0_00000000_b0g0r0a0_00000000
vpermq ymm0, ymm0, 0xd8 // b0g0r0a0_b0g0r0a0_00000000_00000000
vpackuswb xmm0, xmm0, xmm0 // bgrabgra_00000000_00000000_00000000
vmovq qword ptr [edx], xmm0
lea edx, [edx + 8]
sub ecx, 2
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_ARGBPOLYNOMIALROW_AVX2
#ifdef HAS_HALFFLOATROW_SSE2
static float kExpBias = 1.9259299444e-34f;
__declspec(naked) void HalfFloatRow_SSE2(const uint16_t* src,
uint16_t* dst,
float scale,
int width) {
__asm {
mov eax, [esp + 4] /* src */
mov edx, [esp + 8] /* dst */
movd xmm4, dword ptr [esp + 12] /* scale */
mov ecx, [esp + 16] /* width */
mulss xmm4, kExpBias
pshufd xmm4, xmm4, 0
pxor xmm5, xmm5
sub edx, eax
// 8 pixel loop.
convertloop:
movdqu xmm2, xmmword ptr [eax] // 8 shorts
add eax, 16
movdqa xmm3, xmm2
punpcklwd xmm2, xmm5
cvtdq2ps xmm2, xmm2 // convert 8 ints to floats
punpckhwd xmm3, xmm5
cvtdq2ps xmm3, xmm3
mulps xmm2, xmm4
mulps xmm3, xmm4
psrld xmm2, 13
psrld xmm3, 13
packssdw xmm2, xmm3
movdqu [eax + edx - 16], xmm2
sub ecx, 8
jg convertloop
ret
}
}
#endif // HAS_HALFFLOATROW_SSE2
#ifdef HAS_HALFFLOATROW_AVX2
__declspec(naked) void HalfFloatRow_AVX2(const uint16_t* src,
uint16_t* dst,
float scale,
int width) {
__asm {
mov eax, [esp + 4] /* src */
mov edx, [esp + 8] /* dst */
movd xmm4, dword ptr [esp + 12] /* scale */
mov ecx, [esp + 16] /* width */
vmulss xmm4, xmm4, kExpBias
vbroadcastss ymm4, xmm4
vpxor ymm5, ymm5, ymm5
sub edx, eax
// 16 pixel loop.
convertloop:
vmovdqu ymm2, [eax] // 16 shorts
add eax, 32
vpunpckhwd ymm3, ymm2, ymm5 // convert 16 shorts to 16 ints
vpunpcklwd ymm2, ymm2, ymm5
vcvtdq2ps ymm3, ymm3 // convert 16 ints to floats
vcvtdq2ps ymm2, ymm2
vmulps ymm3, ymm3, ymm4 // scale to adjust exponent for 5 bit range.
vmulps ymm2, ymm2, ymm4
vpsrld ymm3, ymm3, 13 // float convert to 8 half floats truncate
vpsrld ymm2, ymm2, 13
vpackssdw ymm2, ymm2, ymm3
vmovdqu [eax + edx - 32], ymm2
sub ecx, 16
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_HALFFLOATROW_AVX2
#ifdef HAS_HALFFLOATROW_F16C
__declspec(naked) void HalfFloatRow_F16C(const uint16_t* src,
uint16_t* dst,
float scale,
int width) {
__asm {
mov eax, [esp + 4] /* src */
mov edx, [esp + 8] /* dst */
vbroadcastss ymm4, [esp + 12] /* scale */
mov ecx, [esp + 16] /* width */
sub edx, eax
// 16 pixel loop.
convertloop:
vpmovzxwd ymm2, xmmword ptr [eax] // 8 shorts -> 8 ints
vpmovzxwd ymm3, xmmword ptr [eax + 16] // 8 more shorts
add eax, 32
vcvtdq2ps ymm2, ymm2 // convert 8 ints to floats
vcvtdq2ps ymm3, ymm3
vmulps ymm2, ymm2, ymm4 // scale to normalized range 0 to 1
vmulps ymm3, ymm3, ymm4
vcvtps2ph xmm2, ymm2, 3 // float convert to 8 half floats truncate
vcvtps2ph xmm3, ymm3, 3
vmovdqu [eax + edx + 32], xmm2
vmovdqu [eax + edx + 32 + 16], xmm3
sub ecx, 16
jg convertloop
vzeroupper
ret
}
}
#endif // HAS_HALFFLOATROW_F16C
#ifdef HAS_ARGBCOLORTABLEROW_X86
// Tranform ARGB pixels with color table.
__declspec(naked) void ARGBColorTableRow_X86(uint8_t* dst_argb,
const uint8_t* table_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] /* dst_argb */
mov esi, [esp + 4 + 8] /* table_argb */
mov ecx, [esp + 4 + 12] /* width */
// 1 pixel loop.
convertloop:
movzx edx, byte ptr [eax]
lea eax, [eax + 4]
movzx edx, byte ptr [esi + edx * 4]
mov byte ptr [eax - 4], dl
movzx edx, byte ptr [eax - 4 + 1]
movzx edx, byte ptr [esi + edx * 4 + 1]
mov byte ptr [eax - 4 + 1], dl
movzx edx, byte ptr [eax - 4 + 2]
movzx edx, byte ptr [esi + edx * 4 + 2]
mov byte ptr [eax - 4 + 2], dl
movzx edx, byte ptr [eax - 4 + 3]
movzx edx, byte ptr [esi + edx * 4 + 3]
mov byte ptr [eax - 4 + 3], dl
dec ecx
jg convertloop
pop esi
ret
}
}
#endif // HAS_ARGBCOLORTABLEROW_X86
#ifdef HAS_RGBCOLORTABLEROW_X86
// Tranform RGB pixels with color table.
__declspec(naked) void RGBColorTableRow_X86(uint8_t* dst_argb,
const uint8_t* table_argb,
int width) {
__asm {
push esi
mov eax, [esp + 4 + 4] /* dst_argb */
mov esi, [esp + 4 + 8] /* table_argb */
mov ecx, [esp + 4 + 12] /* width */
// 1 pixel loop.
convertloop:
movzx edx, byte ptr [eax]
lea eax, [eax + 4]
movzx edx, byte ptr [esi + edx * 4]
mov byte ptr [eax - 4], dl
movzx edx, byte ptr [eax - 4 + 1]
movzx edx, byte ptr [esi + edx * 4 + 1]
mov byte ptr [eax - 4 + 1], dl
movzx edx, byte ptr [eax - 4 + 2]
movzx edx, byte ptr [esi + edx * 4 + 2]
mov byte ptr [eax - 4 + 2], dl
dec ecx
jg convertloop
pop esi
ret
}
}
#endif // HAS_RGBCOLORTABLEROW_X86
#ifdef HAS_ARGBLUMACOLORTABLEROW_SSSE3
// Tranform RGB pixels with luma table.
__declspec(naked) void ARGBLumaColorTableRow_SSSE3(const uint8_t* src_argb,
uint8_t* dst_argb,
int width,
const uint8_t* luma,
uint32_t lumacoeff) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] /* src_argb */
mov edi, [esp + 8 + 8] /* dst_argb */
mov ecx, [esp + 8 + 12] /* width */
movd xmm2, dword ptr [esp + 8 + 16] // luma table
movd xmm3, dword ptr [esp + 8 + 20] // lumacoeff
pshufd xmm2, xmm2, 0
pshufd xmm3, xmm3, 0
pcmpeqb xmm4, xmm4 // generate mask 0xff00ff00
psllw xmm4, 8
pxor xmm5, xmm5
// 4 pixel loop.
convertloop:
movdqu xmm0, xmmword ptr [eax] // generate luma ptr
pmaddubsw xmm0, xmm3
phaddw xmm0, xmm0
pand xmm0, xmm4 // mask out low bits
punpcklwd xmm0, xmm5
paddd xmm0, xmm2 // add table base
movd esi, xmm0
pshufd xmm0, xmm0, 0x39 // 00111001 to rotate right 32
movzx edx, byte ptr [eax]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi], dl
movzx edx, byte ptr [eax + 1]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 1], dl
movzx edx, byte ptr [eax + 2]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 2], dl
movzx edx, byte ptr [eax + 3] // copy alpha.
mov byte ptr [edi + 3], dl
movd esi, xmm0
pshufd xmm0, xmm0, 0x39 // 00111001 to rotate right 32
movzx edx, byte ptr [eax + 4]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 4], dl
movzx edx, byte ptr [eax + 5]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 5], dl
movzx edx, byte ptr [eax + 6]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 6], dl
movzx edx, byte ptr [eax + 7] // copy alpha.
mov byte ptr [edi + 7], dl
movd esi, xmm0
pshufd xmm0, xmm0, 0x39 // 00111001 to rotate right 32
movzx edx, byte ptr [eax + 8]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 8], dl
movzx edx, byte ptr [eax + 9]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 9], dl
movzx edx, byte ptr [eax + 10]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 10], dl
movzx edx, byte ptr [eax + 11] // copy alpha.
mov byte ptr [edi + 11], dl
movd esi, xmm0
movzx edx, byte ptr [eax + 12]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 12], dl
movzx edx, byte ptr [eax + 13]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 13], dl
movzx edx, byte ptr [eax + 14]
movzx edx, byte ptr [esi + edx]
mov byte ptr [edi + 14], dl
movzx edx, byte ptr [eax + 15] // copy alpha.
mov byte ptr [edi + 15], dl
lea eax, [eax + 16]
lea edi, [edi + 16]
sub ecx, 4
jg convertloop
pop edi
pop esi
ret
}
}
#endif // HAS_ARGBLUMACOLORTABLEROW_SSSE3
#endif // defined(_M_X64)
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif
#endif // !defined(LIBYUV_DISABLE_X86) && (defined(_M_IX86) || defined(_M_X64))