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Scale Up2 ported to NaCL.

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BUG=none
TEST=none
R=nfullagar@chromium.org, nfullagar@google.com

Review URL: https://webrtc-codereview.appspot.com/3589004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@846 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2013-11-07 20:35:17 +00:00
parent 1428b37c2b
commit 67a0987dd9
4 changed files with 36 additions and 5 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 845
Version: 846
License: BSD
License File: LICENSE

1
include/libyuv/planar_functions.h
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@ -355,6 +355,7 @@ int ARGBComputeCumulativeSum(const uint8* src_argb, int src_stride_argb,
// dst_cumsum table of width * height * 16 bytes aligned to 16 byte boundary.
// dst_stride32_cumsum is number of ints in a row (width * 4).
// radius is number of pixels around the center. e.g. 1 = 3x3. 2=5x5.
// Blur is optimized for radius of 5 (11x11) or less.
LIBYUV_API
int ARGBBlur(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 845
#define LIBYUV_VERSION 846
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

36
source/scale_argb.cc
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@ -371,7 +371,6 @@ static void ScaleARGBFilterCols_SSSE3(uint8* dst_argb, const uint8* src_argb,
// Reads 4 pixels, duplicates them and writes 8 pixels.
// Alignment requirement: src_argb 16 byte aligned, dst_argb 16 byte aligned.
#define HAS_SCALEARGBCOLSUP2_SSE2
__declspec(naked) __declspec(align(16))
void ScaleARGBColsUp2_SSE2(uint8* dst_argb, const uint8* src_argb,
int dst_width, int /* x */, int /* dx */) {
@ -675,6 +674,39 @@ void ScaleARGBCols_SSE2(uint8* dst_argb, const uint8* src_argb,
);
}
// Reads 4 pixels, duplicates them and writes 8 pixels.
// Alignment requirement: src_argb 16 byte aligned, dst_argb 16 byte aligned.
void ScaleARGBColsUp2_SSE2(uint8* dst_argb, const uint8* src_argb,
int dst_width, int /* x */, int /* dx */) {
asm volatile (
".p2align 4 \n"
BUNDLEALIGN
"1: \n"
"movdqa " MEMACCESS(1) ",%%xmm0 \n"
"lea " MEMLEA(0x10,1) ",%1 \n"
"movdqa %%xmm0,%%xmm1 \n"
"punpckldq %%xmm0,%%xmm0 \n"
"punpckhdq %%xmm1,%%xmm1 \n"
"sub $0x8,%2 \n"
"movdqa %%xmm0," MEMACCESS(0) " \n"
"movdqa %%xmm1," MEMACCESS2(0x10,0) " \n"
"lea " MEMLEA(0x20,0) ",%0 \n"
"jg 1b \n"
: "+r"(dst_argb), // %0
"+r"(src_argb), // %1
"+r"(dst_width) // %2
:
: "memory", "cc"
#if defined(__native_client__) && defined(__x86_64__)
, "r14"
#endif
#if defined(__SSE2__)
, "xmm0", "xmm1"
#endif
);
}
// Shuffle table for arranging 2 pixels into pairs for pmaddubsw
static uvec8 kShuffleColARGB = {
0u, 4u, 1u, 5u, 2u, 6u, 3u, 7u, // bbggrraa 1st pixel
@ -1363,14 +1395,12 @@ static void ScaleARGBSimple(int src_width, int src_height,
#if defined(HAS_SCALEARGBCOLS_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ScaleARGBCols = ScaleARGBCols_SSE2;
#if defined(HAS_SCALEARGBCOLS_SSE2)
if (src_width * 2 == dst_width && IS_ALIGNED(dst_width, 8) &&
(x >> 16) == 0 &&
IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride, 16) &&
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride, 16)) {
ScaleARGBCols = ScaleARGBColsUp2_SSE2;
}
#endif
}
#endif