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gargantuan width support on ARGBScale

Browse Source 
BUG=302
TEST=libyuv ARGBScale tests with LIBYUV_WIDTH=90000
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/6519005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@944 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2014-01-03 01:15:31 +00:00
parent ac9b96c076
commit 6dc80ab585
3 changed files with 64 additions and 8 deletions
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2
include/libyuv/scale_row.h
View File

@ -144,6 +144,8 @@ void ScaleARGBColsUp2_C(uint8* dst_argb, const uint8* src_argb,
int dst_width, int, int);
void ScaleARGBFilterCols_C(uint8* dst_argb, const uint8* src_argb,
int dst_width, int x, int dx);
void ScaleARGBFilterCols64_C(uint8* dst_argb, const uint8* src_argb,
int dst_width, int x, int dx);
void ScaleRowDown2_SSE2(const uint8* src_ptr, ptrdiff_t src_stride,
uint8* dst_ptr, int dst_width);

41
source/scale_argb.cc
View File

@ -162,7 +162,7 @@ static void ScaleARGBDownEven(int src_width, int src_height,
}
// Scale ARGB down with bilinear interpolation.
static void ScaleARGBBilinearDown(int src_height,
static void ScaleARGBBilinearDown(int src_width, int src_height,
int dst_width, int dst_height,
int src_stride, int dst_stride,
const uint8* src_argb, uint8* dst_argb,
@ -230,9 +230,10 @@ static void ScaleARGBBilinearDown(int src_height,
}
#endif
void (*ScaleARGBFilterCols)(uint8* dst_argb, const uint8* src_argb,
int dst_width, int x, int dx) = ScaleARGBFilterCols_C;
int dst_width, int x, int dx) =
(src_width >= 32768) ? ScaleARGBFilterCols64_C : ScaleARGBFilterCols_C;
#if defined(HAS_SCALEARGBFILTERCOLS_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
if (TestCpuFlag(kCpuHasSSSE3) && src_width < 32768) {
ScaleARGBFilterCols = ScaleARGBFilterCols_SSSE3;
}
#endif
@ -321,13 +322,16 @@ static void ScaleARGBBilinearUp(int src_width, int src_height,
void (*ScaleARGBFilterCols)(uint8* dst_argb, const uint8* src_argb,
int dst_width, int x, int dx) =
filtering ? ScaleARGBFilterCols_C : ScaleARGBCols_C;
if (filtering && src_width >= 32768) {
ScaleARGBFilterCols = ScaleARGBFilterCols64_C;
}
#if defined(HAS_SCALEARGBFILTERCOLS_SSSE3)
if (filtering && TestCpuFlag(kCpuHasSSSE3)) {
if (filtering && TestCpuFlag(kCpuHasSSSE3) && src_width < 32768) {
ScaleARGBFilterCols = ScaleARGBFilterCols_SSSE3;
}
#endif
#if defined(HAS_SCALEARGBCOLS_SSE2)
if (!filtering && TestCpuFlag(kCpuHasSSE2)) {
if (!filtering && TestCpuFlag(kCpuHasSSE2) && src_width < 32768) {
ScaleARGBFilterCols = ScaleARGBCols_SSE2;
}
#endif
@ -500,13 +504,34 @@ static void ScaleYUVToARGBBilinearUp(int src_width, int src_height,
InterpolateRow = InterpolateRow_MIPS_DSPR2;
}
#endif
void (*ScaleARGBFilterCols)(uint8* dst_argb, const uint8* src_argb,
int dst_width, int x, int dx) = ScaleARGBFilterCols_C;
int dst_width, int x, int dx) =
filtering ? ScaleARGBFilterCols_C : ScaleARGBCols_C;
if (filtering && src_width >= 32768) {
ScaleARGBFilterCols = ScaleARGBFilterCols64_C;
}
#if defined(HAS_SCALEARGBFILTERCOLS_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
if (filtering && TestCpuFlag(kCpuHasSSSE3) && src_width < 32768) {
ScaleARGBFilterCols = ScaleARGBFilterCols_SSSE3;
}
#endif
#if defined(HAS_SCALEARGBCOLS_SSE2)
if (!filtering && TestCpuFlag(kCpuHasSSE2) && src_width < 32768) {
ScaleARGBFilterCols = ScaleARGBCols_SSE2;
}
#endif
if (!filtering && src_width * 2 == dst_width && x < 0x8000) {
ScaleARGBFilterCols = ScaleARGBColsUp2_C;
#if defined(HAS_SCALEARGBCOLSUP2_SSE2)
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(dst_width, 8) &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride, 16) &&
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride, 16)) {
ScaleARGBFilterCols = ScaleARGBColsUp2_SSE2;
}
#endif
}
const int max_y = (src_height - 1) << 16;
if (y > max_y) {
y = max_y;
@ -716,7 +741,7 @@ static void ScaleARGB(const uint8* src, int src_stride,
return;
}
if (filtering) {
ScaleARGBBilinearDown(src_height,
ScaleARGBBilinearDown(src_width, src_height,
clip_width, clip_height,
src_stride, dst_stride, src, dst,
x, dx, y, dy, filtering);

29
source/scale_common.cc
View File

@ -477,6 +477,35 @@ void ScaleARGBFilterCols_C(uint8* dst_argb, const uint8* src_argb,
dst[0] = BLENDER(a, b, xf);
}
}
void ScaleARGBFilterCols64_C(uint8* dst_argb, const uint8* src_argb,
int dst_width, int x32, int dx) {
int64 x = static_cast<int64>(x32);
const uint32* src = reinterpret_cast<const uint32*>(src_argb);
uint32* dst = reinterpret_cast<uint32*>(dst_argb);
for (int j = 0; j < dst_width - 1; j += 2) {
int64 xi = x >> 16;
int xf = (x >> 9) & 0x7f;
uint32 a = src[xi];
uint32 b = src[xi + 1];
dst[0] = BLENDER(a, b, xf);
x += dx;
xi = x >> 16;
xf = (x >> 9) & 0x7f;
a = src[xi];
b = src[xi + 1];
dst[1] = BLENDER(a, b, xf);
x += dx;
dst += 2;
}
if (dst_width & 1) {
int64 xi = x >> 16;
int xf = (x >> 9) & 0x7f;
uint32 a = src[xi];
uint32 b = src[xi + 1];
dst[0] = BLENDER(a, b, xf);
}
}
#undef BLENDER1
#undef BLENDERC
#undef BLENDER