coffee/libyuv
1
0
Fork 0
mirror of https://chromium.googlesource.com/libyuv/libyuv synced 2025-12-08 01:36:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

NV12ToRGB565 use NV12ToARGB any row function

Browse Source 
BUG=136
TEST=sudo LIBYUV_REPEAT=1000 nice --5 ./libyuv_unittest --gtest_filter=*565* | grep ms
Review URL: https://webrtc-codereview.appspot.com/965004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@452 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-10-29 16:24:53 +00:00
parent e0d8648b6a
commit 15449263c4
8 changed files with 324 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
include/libyuv/row.h
View File

@ -87,6 +87,7 @@ extern "C" {
#define HAS_I422TOYUY2ROW_SSE2
#define HAS_I422TOUYVYROW_SSE2
#define HAS_MERGEUV_SSE2
#define HAS_I422TORGB565ROW_SSSE3
// Effects
#define HAS_ARGBAFFINEROW_SSE2
@ -149,6 +150,7 @@ extern "C" {
#define HAS_I422TOBGRAROW_NEON
#define HAS_I422TORAWROW_NEON
#define HAS_I422TORGB24ROW_NEON
#define HAS_I422TORGB565ROW_NEON
#define HAS_I422TORGBAROW_NEON
#define HAS_MIRRORROW_NEON
#define HAS_MIRRORROWUV_NEON
@ -249,6 +251,11 @@ void I422ToRAWRow_NEON(const uint8* y_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void I422ToRGB565Row_NEON(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void NV12ToARGBRow_NEON(const uint8* y_buf,
const uint8* uv_buf,
uint8* rgb_buf,
@ -474,6 +481,11 @@ void I422ToRAWRow_C(const uint8* y_buf,
const uint8* v_buf,
uint8* raw_buf,
int width);
void I422ToRGB565Row_C(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* dst_rgb565,
int width);
void YToARGBRow_C(const uint8* y_buf,
uint8* rgb_buf,
@ -524,6 +536,11 @@ void I422ToRGBARow_SSSE3(const uint8* y_buf,
const uint8* v_buf,
uint8* rgba_buf,
int width);
void I422ToRGB565Row_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
// RGB24/RAW are unaligned.
void I422ToRGB24Row_SSSE3(const uint8* y_buf,
@ -543,92 +560,87 @@ void I444ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
const uint8* v_buf,
uint8* argb_buf,
int width);
void I422ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* argb_buf,
int width);
void I411ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void NV12ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
const uint8* uv_buf,
uint8* argb_buf,
int width);
void NV21ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
const uint8* vu_buf,
uint8* argb_buf,
int width);
void I422ToBGRARow_Unaligned_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* bgra_buf,
int width);
void I422ToABGRRow_Unaligned_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* abgr_buf,
int width);
void I422ToRGBARow_Unaligned_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgba_buf,
int width);
void I422ToRGB565Row_Unaligned_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void I444ToARGBRow_Any_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* argb_buf,
int width);
void I422ToARGBRow_Any_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* argb_buf,
int width);
void I411ToARGBRow_Any_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void NV12ToARGBRow_Any_SSSE3(const uint8* y_buf,
const uint8* uv_buf,
uint8* argb_buf,
int width);
void NV21ToARGBRow_Any_SSSE3(const uint8* y_buf,
const uint8* vu_buf,
uint8* argb_buf,
int width);
void I422ToBGRARow_Any_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* bgra_buf,
int width);
void I422ToABGRRow_Any_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* abgr_buf,
int width);
void I422ToRGBARow_Any_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgba_buf,
int width);
void I422ToRGB565Row_Any_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgba_buf,
int width);
// RGB24/RAW are unaligned.
void I422ToRGB24Row_Any_SSSE3(const uint8* y_buf,
@ -711,6 +723,11 @@ void I422ToRAWRow_Any_NEON(const uint8* y_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void I422ToRGB565Row_Any_NEON(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
void NV12ToARGBRow_Any_NEON(const uint8* y_buf,
const uint8* uv_buf,
uint8* argb_buf,

3
source/convert_argb.cc
View File

@ -575,8 +575,7 @@ int NV12ToARGB(const uint8* src_y, int src_stride_y,
}
}
}
#endif
#if defined(HAS_NV12TOARGBROW_NEON)
#elif defined(HAS_NV12TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
NV12ToARGBRow = NV12ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {

64
source/convert_from.cc
View File

@ -921,65 +921,45 @@ LIBYUV_API
int I420ToRGB565(const uint8* src_y, int src_stride_y,
const uint8* src_u, int src_stride_u,
const uint8* src_v, int src_stride_v,
uint8* dst_rgb, int dst_stride_rgb,
uint8* dst_rgb565, int dst_stride_rgb565,
int width, int height) {
if (!src_y || !src_u || !src_v ||
!dst_rgb ||
if (!src_y || !src_u || !src_v || !dst_rgb565 ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_rgb = dst_rgb + (height - 1) * dst_stride_rgb;
dst_stride_rgb = -dst_stride_rgb;
dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565;
dst_stride_rgb565 = -dst_stride_rgb565;
}
void (*I422ToARGBRow)(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width) = I422ToARGBRow_C;
#if defined(HAS_I422TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I422ToARGBRow = I422ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
I422ToARGBRow = I422ToARGBRow_NEON;
}
}
#elif defined(HAS_I422TOARGBROW_SSSE3)
void (*I422ToRGB565Row)(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width) = I422ToRGB565Row_C;
#if defined(HAS_I422TORGB565ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
I422ToARGBRow = I422ToARGBRow_Any_SSSE3;
I422ToRGB565Row = I422ToRGB565Row_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I422ToARGBRow = I422ToARGBRow_SSSE3;
I422ToRGB565Row = I422ToRGB565Row_Unaligned_SSSE3;
if (IS_ALIGNED(dst_rgb565, 16) && IS_ALIGNED(dst_stride_rgb565, 16)) {
I422ToRGB565Row = I422ToRGB565Row_SSSE3;
}
}
}
#elif defined(HAS_I422TOARGBROW_MIPS_DSPR2)
if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) &&
IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) &&
IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) &&
IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2)) {
I422ToARGBRow = I422ToARGBRow_MIPS_DSPR2;
}
#endif
SIMD_ALIGNED(uint8 row[kMaxStride]);
void (*ARGBToRGB565Row)(const uint8* src_rgb, uint8* dst_rgb, int pix) =
ARGBToRGB565Row_C;
#if defined(HAS_ARGBTORGB565ROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
if (width * 2 <= kMaxStride) {
ARGBToRGB565Row = ARGBToRGB565Row_Any_SSE2;
}
if (IS_ALIGNED(width, 4)) {
ARGBToRGB565Row = ARGBToRGB565Row_SSE2;
#elif defined(HAS_I422TORGB565ROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
I422ToRGB565Row = I422ToRGB565Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
I422ToRGB565Row = I422ToRGB565Row_NEON;
}
}
#endif
for (int y = 0; y < height; ++y) {
I422ToARGBRow(src_y, src_u, src_v, row, width);
ARGBToRGB565Row(row, dst_rgb, width);
dst_rgb += dst_stride_rgb;
I422ToRGB565Row(src_y, src_u, src_v, dst_rgb565, width);
dst_rgb565 += dst_stride_rgb565;
src_y += src_stride_y;
if (y & 1) {
src_u += src_stride_u;

28
source/planar_functions.cc
View File

@ -574,12 +574,18 @@ int NV12ToRGB565(const uint8* src_y, int src_stride_y,
uint8* rgb_buf,
int width) = NV12ToARGBRow_C;
#if defined(HAS_NV12TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_SSSE3;
if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
NV12ToARGBRow = NV12ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_SSSE3;
}
}
#elif defined(HAS_NV12TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_NEON;
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
NV12ToARGBRow = NV12ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_NEON;
}
}
#endif
if (width * 4 > kMaxStride) {
@ -629,12 +635,18 @@ int NV21ToRGB565(const uint8* src_y, int src_stride_y,
uint8* rgb_buf,
int width) = NV21ToARGBRow_C;
#if defined(HAS_NV21TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8)) {
NV21ToARGBRow = NV21ToARGBRow_SSSE3;
if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
NV21ToARGBRow = NV21ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
NV21ToARGBRow = NV21ToARGBRow_SSSE3;
}
}
#elif defined(HAS_NV21TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) {
NV21ToARGBRow = NV21ToARGBRow_NEON;
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
NV21ToARGBRow = NV21ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
NV21ToARGBRow = NV21ToARGBRow_NEON;
}
}
#endif
if (width * 4 > kMaxStride) {

41
source/row_common.cc
View File

@ -538,7 +538,43 @@ void I422ToRAWRow_C(const uint8* y_buf,
}
if (width & 1) {
YuvPixel2(y_buf[0], u_buf[0], v_buf[0],
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
rgb_buf + 2, rgb_buf + 1, rgb_buf + 0);
}
}
void I422ToRGB565Row_C(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* dst_rgb565,
int width) {
uint8 b0;
uint8 g0;
uint8 r0;
uint8 b1;
uint8 g1;
uint8 r1;
for (int x = 0; x < width - 1; x += 2) {
YuvPixel2(y_buf[0], u_buf[0], v_buf[0], &b0, &g0, &r0);
YuvPixel2(y_buf[1], u_buf[0], v_buf[0], &b1, &g1, &r1);
b0 = b0 >> 3;
g0 = g0 >> 2;
r0 = r0 >> 3;
b1 = b1 >> 3;
g1 = g1 >> 2;
r1 = r1 >> 3;
*reinterpret_cast<uint32*>(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11) |
(b1 << 16) | (g1 << 21) | (r1 << 27);
y_buf += 2;
u_buf += 1;
v_buf += 1;
dst_rgb565 += 4; // Advance 2 pixels.
}
if (width & 1) {
YuvPixel2(y_buf[0], u_buf[0], v_buf[0], &b0, &g0, &r0);
b0 = b0 >> 3;
g0 = g0 >> 2;
r0 = r0 >> 3;
*reinterpret_cast<uint16*>(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11);
}
}
@ -1027,6 +1063,8 @@ YANY(I422ToABGRRow_Any_SSSE3, I422ToABGRRow_Unaligned_SSSE3, I422ToABGRRow_C,
1, 4, 7)
YANY(I422ToRGBARow_Any_SSSE3, I422ToRGBARow_Unaligned_SSSE3, I422ToRGBARow_C,
1, 4, 7)
YANY(I422ToRGB565Row_Any_SSSE3, I422ToRGB565Row_Unaligned_SSSE3,
I422ToRGB565Row_C, 1, 2, 7)
// I422ToRGB24Row_SSSE3 is unaligned.
YANY(I422ToRGB24Row_Any_SSSE3, I422ToRGB24Row_SSSE3, I422ToRGB24Row_C, 1, 3, 7)
YANY(I422ToRAWRow_Any_SSSE3, I422ToRAWRow_SSSE3, I422ToRAWRow_C, 1, 3, 7)
@ -1040,6 +1078,7 @@ YANY(I422ToABGRRow_Any_NEON, I422ToABGRRow_NEON, I422ToABGRRow_C, 1, 4, 7)
YANY(I422ToRGBARow_Any_NEON, I422ToRGBARow_NEON, I422ToRGBARow_C, 1, 4, 7)
YANY(I422ToRGB24Row_Any_NEON, I422ToRGB24Row_NEON, I422ToRGB24Row_C, 1, 3, 7)
YANY(I422ToRAWRow_Any_NEON, I422ToRAWRow_NEON, I422ToRAWRow_C, 1, 3, 7)
YANY(I422ToRGB565Row_Any_NEON, I422ToRGB565Row_NEON, I422ToRGB565Row_C, 1, 2, 7)
YANY(I422ToYUY2Row_Any_NEON, I422ToYUY2Row_NEON, I422ToYUY2Row_C, 1, 2, 15)
YANY(I422ToUYVYRow_Any_NEON, I422ToUYVYRow_NEON, I422ToUYVYRow_C, 1, 2, 15)
#endif // HAS_I422TOARGBROW_NEON

42
source/row_neon.cc
View File

@ -273,6 +273,48 @@ void I422ToRAWRow_NEON(const uint8* src_y,
}
#endif // HAS_I422TORAWROW_NEON
#ifdef HAS_I422TORGB565ROW_NEON
void I422ToRGB565Row_NEON(const uint8* src_y,
const uint8* src_u,
const uint8* src_v,
uint8* dst_rgb565,
int width) {
asm volatile (
"vld1.u8 {d24}, [%5] \n"
"vld1.u8 {d25}, [%6] \n"
"vmov.u8 d26, #128 \n"
"vmov.u16 q14, #74 \n"
"vmov.u16 q15, #16 \n"
".p2align 2 \n"
"1: \n"
READYUV422
YUV422TORGB
"subs %4, %4, #8 \n"
"vshr.u8 d20, d20, #3 \n" // B
"vshr.u8 d21, d21, #2 \n" // G
"vshr.u8 d22, d22, #3 \n" // R
"vmovl.u8 q8, d20 \n" // B
"vmovl.u8 q9, d21 \n" // G
"vmovl.u8 q10, d22 \n" // R
"vshl.u16 q9, q9, #5 \n" // G
"vshl.u16 q10, q10, #11 \n" // R
"vorr q0, q8, q9 \n" // BG
"vorr q0, q0, q10 \n" // BGR
"vst1.8 {q0}, [%3]! \n" // store 8 pixels RGB565.
"bgt 1b \n"
: "+r"(src_y), // %0
"+r"(src_u), // %1
"+r"(src_v), // %2
"+r"(dst_rgb565), // %3
"+r"(width) // %4
: "r"(&kUVToRB), // %5
"r"(&kUVToG) // %6
: "cc", "memory", "q0", "q1", "q2", "q3",
"q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15"
);
}
#endif // HAS_I422TORGB565ROW_NEON
#ifdef HAS_NV12TOARGBROW_NEON
void NV12ToARGBRow_NEON(const uint8* src_y,
const uint8* src_uv,

20
source/row_posix.cc
View File

@ -4276,6 +4276,26 @@ void I422ToUYVYRow_SSE2(const uint8* src_y,
);
}
void I422ToRGB565Row_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width) {
SIMD_ALIGNED(uint8 row[kMaxStride]);
I422ToARGBRow_SSSE3(y_buf, u_buf, v_buf, row, width);
ARGBToRGB565Row_SSE2(row, rgb_buf, width);
}
void I422ToRGB565Row_Unaligned_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width) {
SIMD_ALIGNED(uint8 row[kMaxStride]);
I422ToARGBRow_SSSE3(y_buf, u_buf, v_buf, row, width);
ARGBToRGB565Row_SSE2(row, rgb_buf, width);
}
#endif // defined(__x86_64__) || defined(__i386__)
#ifdef __cplusplus

148
source/row_win.cc
View File

@ -581,7 +581,7 @@ __asm {
por xmm0, xmm1 // BGR
packssdw xmm0, xmm0
lea eax, [eax + 16]
movq qword ptr [edx], xmm0 // store 4 pixels of ARGB1555
movq qword ptr [edx], xmm0 // store 4 pixels of RGB565
lea edx, [edx + 8]
sub ecx, 4
jg convertloop
@ -1757,6 +1757,79 @@ void I422ToRAWRow_SSSE3(const uint8* y_buf,
}
}
// 8 pixels, dest aligned 16.
// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
__declspec(naked) __declspec(align(16))
void I422ToRGB565Row_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb565_buf,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // Y
mov esi, [esp + 8 + 8] // U
mov edi, [esp + 8 + 12] // V
mov edx, [esp + 8 + 16] // rgb565
mov ecx, [esp + 8 + 20] // width
sub edi, esi
pxor xmm4, xmm4
pcmpeqb xmm5, xmm5 // generate mask 0x0000001f
psrld xmm5, 27
pcmpeqb xmm6, xmm6 // generate mask 0x000007e0
psrld xmm6, 26
pslld xmm6, 5
pcmpeqb xmm7, xmm7 // generate mask 0xfffff800
pslld xmm7, 11
align 16
convertloop:
READYUV422
YUVTORGB
// Step 3: Weave into RRGB
punpcklbw xmm0, xmm1 // BG
punpcklbw xmm2, xmm2 // RR
movdqa xmm1, xmm0
punpcklwd xmm0, xmm2 // BGRR first 4 pixels
punpckhwd xmm1, xmm2 // BGRR next 4 pixels
// Step 3b: RRGB -> RGB565
movdqa xmm3, xmm0 // B first 4 pixels of argb
movdqa xmm2, xmm0 // G
pslld xmm0, 8 // R
psrld xmm3, 3 // B
psrld xmm2, 5 // G
psrad xmm0, 16 // R
pand xmm3, xmm5 // B
pand xmm2, xmm6 // G
pand xmm0, xmm7 // R
por xmm3, xmm2 // BG
por xmm0, xmm3 // BGR
movdqa xmm3, xmm1 // B next 4 pixels of argb
movdqa xmm2, xmm1 // G
pslld xmm1, 8 // R
psrld xmm3, 3 // B
psrld xmm2, 5 // G
psrad xmm1, 16 // R
pand xmm3, xmm5 // B
pand xmm2, xmm6 // G
pand xmm1, xmm7 // R
por xmm3, xmm2 // BG
por xmm1, xmm3 // BGR
packssdw xmm0, xmm1
sub ecx, 8
movdqa [edx], xmm0 // store 8 pixels of RGB565
lea edx, [edx + 16]
jg convertloop
pop edi
pop esi
ret
}
}
// 8 pixels, dest aligned 16.
// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
__declspec(naked) __declspec(align(16))
@ -2050,6 +2123,78 @@ void I411ToARGBRow_Unaligned_SSSE3(const uint8* y_buf,
}
}
// 8 pixels, dest aligned 16.
// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
__declspec(naked) __declspec(align(16))
void I422ToRGB565Row_Unaligned_SSSE3(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb565_buf,
int width) {
__asm {
push esi
push edi
mov eax, [esp + 8 + 4] // Y
mov esi, [esp + 8 + 8] // U
mov edi, [esp + 8 + 12] // V
mov edx, [esp + 8 + 16] // rgb565
mov ecx, [esp + 8 + 20] // width
sub edi, esi
pxor xmm4, xmm4
pcmpeqb xmm5, xmm5 // generate mask 0x0000001f
psrld xmm5, 27
pcmpeqb xmm6, xmm6 // generate mask 0x000007e0
psrld xmm6, 26
pslld xmm6, 5
pcmpeqb xmm7, xmm7 // generate mask 0xfffff800
pslld xmm7, 11
align 16
convertloop:
READYUV422
YUVTORGB
// Step 3: Weave into RRGB
punpcklbw xmm0, xmm1 // BG
punpcklbw xmm2, xmm2 // RR
movdqa xmm1, xmm0
punpcklwd xmm0, xmm2 // BGRR first 4 pixels
punpckhwd xmm1, xmm2 // BGRR next 4 pixels
// Step 3b: RRGB -> RGB565
movdqa xmm3, xmm0 // B first 4 pixels of argb
movdqa xmm2, xmm0 // G
pslld xmm0, 8 // R
psrld xmm3, 3 // B
psrld xmm2, 5 // G
psrad xmm0, 16 // R
pand xmm3, xmm5 // B
pand xmm2, xmm6 // G
pand xmm0, xmm7 // R
por xmm3, xmm2 // BG
por xmm0, xmm3 // BGR
movdqa xmm3, xmm1 // B next 4 pixels of argb
movdqa xmm2, xmm1 // G
pslld xmm1, 8 // R
psrld xmm3, 3 // B
psrld xmm2, 5 // G
psrad xmm1, 16 // R
pand xmm3, xmm5 // B
pand xmm2, xmm6 // G
pand xmm1, xmm7 // R
por xmm3, xmm2 // BG
por xmm1, xmm3 // BGR
packssdw xmm0, xmm1
sub ecx, 8
movdqu [edx], xmm0 // store 8 pixels of RGB565
lea edx, [edx + 16]
jg convertloop
pop edi
pop esi
ret
}
}
// 8 pixels, dest aligned 16.
// 4 UV values upsampled to 8 UV, mixed with 8 Y producing 8 ARGB (32 bytes).
@ -4419,6 +4564,7 @@ void I422ToUYVYRow_SSE2(const uint8* src_y,
ret
}
}
#endif // _M_IX86
#ifdef __cplusplus