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ARGBGrayTo takes source and destination pointers so caller does not need to make a copy of the image.

Browse Source 
BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/696004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@308 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-07-18 18:54:32 +00:00
parent c0d6dee4f3
commit eeac2903ef
7 changed files with 128 additions and 31 deletions
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5
include/libyuv/planar_functions.h
View File

@ -116,6 +116,11 @@ int I420Rect(uint8* dst_y, int dst_stride_y,
int ARGBRect(uint8* dst_argb, int dst_stride_argb,
int x, int y, int width, int height, uint32 value);
// Convert ARGB to gray scale ARGB.
int ARGBGrayTo(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height);
// Make a rectangle of ARGB gray scale.
int ARGBGray(uint8* dst_argb, int dst_stride_argb,
int x, int y, int width, int height);

39
source/planar_functions.cc
View File

@ -802,7 +802,7 @@ int ARGBAttenuate(const uint8* src_argb, int src_stride_argb,
ARGBAttenuateRow = ARGBAttenuateRow_SSE2;
}
#endif
#if defined(HAS_ARGBATTENUATE_SSSE3)
#if defined(HAS_ARGBATTENUATEROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 4) &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
@ -832,7 +832,7 @@ int ARGBUnattenuate(const uint8* src_argb, int src_stride_argb,
}
void (*ARGBUnattenuateRow)(const uint8* src_argb, uint8* dst_argb,
int width) = ARGBUnattenuateRow_C;
#if defined(HAS_ARGBUNATTENUATE_SSE2)
#if defined(HAS_ARGBUNATTENUATEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4) &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
@ -848,6 +848,36 @@ int ARGBUnattenuate(const uint8* src_argb, int src_stride_argb,
return 0;
}
// Convert ARGB to Grayed ARGB.
int ARGBGrayTo(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
if (!src_argb || !dst_argb || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
void (*ARGBGrayRow)(const uint8* src_argb, uint8* dst_argb,
int width) = ARGBGrayRow_C;
#if defined(HAS_ARGBGRAYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8) &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
ARGBGrayRow = ARGBGrayRow_SSSE3;
}
#endif
for (int y = 0; y < height; ++y) {
ARGBGrayRow(src_argb, dst_argb, width);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Make a rectangle of ARGB gray scale.
int ARGBGray(uint8* dst_argb, int dst_stride_argb,
int dst_x, int dst_y,
@ -855,7 +885,8 @@ int ARGBGray(uint8* dst_argb, int dst_stride_argb,
if (!dst_argb || width <= 0 || height <= 0 || dst_x < 0 || dst_y < 0) {
return -1;
}
void (*ARGBGrayRow)(uint8* dst_argb, int width) = ARGBGrayRow_C;
void (*ARGBGrayRow)(const uint8* src_argb, uint8* dst_argb,
int width) = ARGBGrayRow_C;
#if defined(HAS_ARGBGRAYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8) &&
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
@ -864,7 +895,7 @@ int ARGBGray(uint8* dst_argb, int dst_stride_argb,
#endif
uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4;
for (int y = 0; y < height; ++y) {
ARGBGrayRow(dst, width);
ARGBGrayRow(dst, dst, width);
dst += dst_stride_argb;
}
return 0;

8
source/row.h
View File

@ -39,7 +39,7 @@ extern "C" {
#define HAS_ABGRTOYROW_SSSE3
#define HAS_ARGB1555TOARGBROW_SSE2
#define HAS_ARGB4444TOARGBROW_SSE2
#define HAS_ARGBATTENUATE_SSSE3
#define HAS_ARGBATTENUATEROW_SSSE3
#define HAS_ARGBBLENDROW_SSSE3
#define HAS_ARGBTOARGB1555ROW_SSE2
#define HAS_ARGBTOARGB4444ROW_SSE2
@ -48,7 +48,7 @@ extern "C" {
#define HAS_ARGBTORGB565ROW_SSE2
#define HAS_ARGBTOUVROW_SSSE3
#define HAS_ARGBTOYROW_SSSE3
#define HAS_ARGBUNATTENUATE_SSE2
#define HAS_ARGBUNATTENUATEROW_SSE2
#define HAS_BGRATOARGBROW_SSSE3
#define HAS_BGRATOUVROW_SSSE3
#define HAS_BGRATOYROW_SSSE3
@ -489,8 +489,8 @@ extern uint32 fixed_invtbl8[256];
void ARGBUnattenuateRow_C(const uint8* src_argb, uint8* dst_argb, int width);
void ARGBUnattenuateRow_SSE2(const uint8* src_argb, uint8* dst_argb, int width);
void ARGBGrayRow_C(uint8* dst_argb, int width);
void ARGBGrayRow_SSSE3(uint8* dst_argb, int width);
void ARGBGrayRow_C(const uint8* src_argb, uint8* dst_argb, int width);
void ARGBGrayRow_SSSE3(const uint8* src_argb, uint8* dst_argb, int width);
void ARGBSepiaRow_C(uint8* dst_argb, int width);
void ARGBSepiaRow_SSSE3(uint8* dst_argb, int width);

6
source/row_common.cc
View File

@ -279,11 +279,13 @@ static __inline int RGBToGray(uint8 r, uint8 g, uint8 b) {
return (( 76 * r + 152 * g + 28 * b) >> 8);
}
void ARGBGrayRow_C(uint8* dst_argb, int width) {
void ARGBGrayRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
for (int x = 0; x < width; ++x) {
uint8 y = RGBToGray(dst_argb[2], dst_argb[1], dst_argb[0]);
uint8 y = RGBToGray(src_argb[2], src_argb[1], src_argb[0]);
dst_argb[2] = dst_argb[1] = dst_argb[0] = y;
dst_argb[3] = src_argb[3];
dst_argb += 4;
src_argb += 4;
}
}

26
source/row_posix.cc
View File

@ -2656,7 +2656,7 @@ void ARGBAttenuateRow_SSE2(const uint8* src_argb, uint8* dst_argb, int width) {
}
#endif // HAS_ARGBATTENUATE_SSE2
#ifdef HAS_ARGBATTENUATE_SSSE3
#ifdef HAS_ARGBATTENUATEROW_SSSE3
// Shuffle table duplicating alpha
CONST uvec8 kShuffleAlpha0 = {
3u, 3u, 3u, 3u, 3u, 3u, 128u, 128u, 7u, 7u, 7u, 7u, 7u, 7u, 128u, 128u,
@ -2709,9 +2709,9 @@ void ARGBAttenuateRow_SSSE3(const uint8* src_argb, uint8* dst_argb, int width) {
#endif
);
}
#endif // HAS_ARGBATTENUATE_SSSE3
#endif // HAS_ARGBATTENUATEROW_SSSE3
#ifdef HAS_ARGBUNATTENUATE_SSE2
#ifdef HAS_ARGBUNATTENUATEROW_SSE2
// Unattenuate 4 pixels at a time.
// aligned to 16 bytes
void ARGBUnattenuateRow_SSE2(const uint8* src_argb, uint8* dst_argb,
@ -2764,7 +2764,7 @@ void ARGBUnattenuateRow_SSE2(const uint8* src_argb, uint8* dst_argb,
#endif
);
}
#endif // HAS_ARGBUNATTENUATE_SSE2
#endif // HAS_ARGBUNATTENUATEROW_SSE2
#ifdef HAS_ARGBGRAYROW_SSSE3
// Constant for ARGB color to gray scale. 0.11 * B + 0.59 * G + 0.30 * R
@ -2773,9 +2773,10 @@ CONST vec8 kARGBToGray = {
};
// Convert 8 ARGB pixels (64 bytes) to 8 Gray ARGB pixels
void ARGBGrayRow_SSSE3(uint8* dst_argb, int width) {
void ARGBGrayRow_SSSE3(const uint8* src_argb, uint8* dst_argb, int width) {
asm volatile (
"movdqa %2,%%xmm4 \n"
"movdqa %3,%%xmm4 \n"
"sub %0,%1 \n"
// 8 pixel loop.
".p2align 4 \n"
@ -2799,14 +2800,15 @@ void ARGBGrayRow_SSSE3(uint8* dst_argb, int width) {
"movdqa %%xmm0,%%xmm1 \n"
"punpcklwd %%xmm3,%%xmm0 \n"
"punpckhwd %%xmm3,%%xmm1 \n"
"sub $0x8,%1 \n"
"movdqa %%xmm0,(%0) \n"
"movdqa %%xmm1,0x10(%0) \n"
"sub $0x8,%2 \n"
"movdqa %%xmm0,(%0,%1,1) \n"
"movdqa %%xmm1,0x10(%0,%1,1) \n"
"lea 0x20(%0),%0 \n"
"jg 1b \n"
: "+r"(dst_argb), // %0
"+r"(width) // %1
: "m"(kARGBToGray) // %2
: "+r"(src_argb), // %0
"+r"(dst_argb), // %1
"+r"(width) // %2
: "m"(kARGBToGray) // %3
: "memory", "cc"
#if defined(__SSE2__)
, "xmm0", "xmm1", "xmm2", "xmm3", "xmm4"

20
source/row_win.cc
View File

@ -2741,7 +2741,7 @@ void ARGBAttenuateRow_SSE2(const uint8* src_argb, uint8* dst_argb, int width) {
}
#endif // HAS_ARGBATTENUATE_SSE2
#ifdef HAS_ARGBATTENUATE_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,
@ -2788,9 +2788,9 @@ void ARGBAttenuateRow_SSSE3(const uint8* src_argb, uint8* dst_argb, int width) {
ret
}
}
#endif // HAS_ARGBATTENUATE_SSSE3
#endif // HAS_ARGBATTENUATEROW_SSSE3
#ifdef HAS_ARGBUNATTENUATE_SSE2
#ifdef HAS_ARGBUNATTENUATEROW_SSE2
// Unattenuate 4 pixels at a time.
// Aligned to 16 bytes.
__declspec(naked) __declspec(align(16))
@ -2843,7 +2843,7 @@ void ARGBUnattenuateRow_SSE2(const uint8* src_argb, uint8* dst_argb,
ret
}
}
#endif // HAS_ARGBUNATTENUATE_SSE2
#endif // HAS_ARGBUNATTENUATEROW_SSE2
#ifdef HAS_ARGBGRAYROW_SSSE3
// Constant for ARGB color to gray scale: 0.11 * B + 0.59 * G + 0.30 * R
@ -2853,11 +2853,13 @@ static const vec8 kARGBToGray = {
// Convert 8 ARGB pixels (64 bytes) to 8 Gray ARGB pixels.
__declspec(naked) __declspec(align(16))
void ARGBGrayRow_SSSE3(uint8* dst_argb, int width) {
void ARGBGrayRow_SSSE3(const uint8* src_argb, uint8* dst_argb, int width) {
__asm {
mov eax, [esp + 4] /* dst_argb */
mov ecx, [esp + 8] /* width */
mov eax, [esp + 4] /* src_argb */
mov edx, [esp + 8] /* dst_argb */
mov ecx, [esp + 12] /* width */
movdqa xmm4, kARGBToGray
sub edx, eax
align 16
convertloop:
@ -2881,8 +2883,8 @@ void ARGBGrayRow_SSSE3(uint8* dst_argb, int width) {
punpcklwd xmm0, xmm3 // GGGA first 4
punpckhwd xmm1, xmm3 // GGGA next 4
sub ecx, 8
movdqa [eax], xmm0
movdqa [eax + 16], xmm1
movdqa [eax + edx], xmm0
movdqa [eax + edx + 16], xmm1
lea eax, [eax + 32]
jg convertloop
ret

55
unit_test/planar_test.cc
View File

@ -486,6 +486,61 @@ TEST_F(libyuvTest, TestARGBGray) {
}
}
TEST_F(libyuvTest, TestARGBGrayTo) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);
SIMD_ALIGNED(uint8 gray_pixels[256][4]);
// Test blue
orig_pixels[0][0] = 255u;
orig_pixels[0][1] = 0u;
orig_pixels[0][2] = 0u;
orig_pixels[0][3] = 128u;
// Test green
orig_pixels[1][0] = 0u;
orig_pixels[1][1] = 255u;
orig_pixels[1][2] = 0u;
orig_pixels[1][3] = 0u;
// Test red
orig_pixels[2][0] = 0u;
orig_pixels[2][1] = 0u;
orig_pixels[2][2] = 255u;
orig_pixels[2][3] = 255u;
// Test color
orig_pixels[3][0] = 16u;
orig_pixels[3][1] = 64u;
orig_pixels[3][2] = 192u;
orig_pixels[3][3] = 224u;
// Do 16 to test asm version.
ARGBGrayTo(&orig_pixels[0][0], 0, &gray_pixels[0][0], 0, 16, 1);
EXPECT_EQ(27u, gray_pixels[0][0]);
EXPECT_EQ(27u, gray_pixels[0][1]);
EXPECT_EQ(27u, gray_pixels[0][2]);
EXPECT_EQ(128u, gray_pixels[0][3]);
EXPECT_EQ(151u, gray_pixels[1][0]);
EXPECT_EQ(151u, gray_pixels[1][1]);
EXPECT_EQ(151u, gray_pixels[1][2]);
EXPECT_EQ(0u, gray_pixels[1][3]);
EXPECT_EQ(75u, gray_pixels[2][0]);
EXPECT_EQ(75u, gray_pixels[2][1]);
EXPECT_EQ(75u, gray_pixels[2][2]);
EXPECT_EQ(255u, gray_pixels[2][3]);
EXPECT_EQ(96u, gray_pixels[3][0]);
EXPECT_EQ(96u, gray_pixels[3][1]);
EXPECT_EQ(96u, gray_pixels[3][2]);
EXPECT_EQ(224u, gray_pixels[3][3]);
for (int i = 0; i < 256; ++i) {
orig_pixels[i][0] = i;
orig_pixels[i][1] = i / 2;
orig_pixels[i][2] = i / 3;
orig_pixels[i][3] = i;
}
for (int i = 0; i < 1000 * 1280 * 720 / 256; ++i) {
ARGBGrayTo(&orig_pixels[0][0], 0, &gray_pixels[0][0], 0, 256, 1);
}
}
TEST_F(libyuvTest, TestARGBSepia) {
SIMD_ALIGNED(uint8 orig_pixels[256][4]);