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Bug 1122383 - Optimize Moz2D's ConvertBGRXToBGRA. r=jwatt

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From 4c67bb1f0d9378831559983ccf53f63ad104974e Mon Sep 17 00:00:00 2001
---
 gfx/2d/DataSurfaceHelpers.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
This commit is contained in:
Heiher 2015-01-20 11:16:08 +00:00
parent be5ad9913e
commit 3566618b84
2 changed files with 8 additions and 8 deletions
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14
gfx/2d/DataSurfaceHelpers.cpp
View File

@ -45,19 +45,19 @@ SurfaceContainsPoint(SourceSurface* aSurface, const IntPoint& aPoint)
}
void
ConvertBGRXToBGRA(uint8_t* aData, const IntSize &aSize, int32_t aStride)
ConvertBGRXToBGRA(uint8_t* aData, const IntSize &aSize, const int32_t aStride)
{
uint32_t* pixel = reinterpret_cast<uint32_t*>(aData);
int height = aSize.height, width = aSize.width * 4;
for (int row = 0; row < aSize.height; ++row) {
for (int column = 0; column < aSize.width; ++column) {
for (int row = 0; row < height; ++row) {
for (int column = 0; column < width; column += 4) {
#ifdef IS_BIG_ENDIAN
pixel[column] |= 0x000000FF;
aData[column] = 0xFF;
#else
pixel[column] |= 0xFF000000;
aData[column + 3] = 0xFF;
#endif
}
pixel += (aStride/4);
aData += aStride;
}
}

2
gfx/2d/DataSurfaceHelpers.h
View File

@ -12,7 +12,7 @@ namespace mozilla {
namespace gfx {
void
ConvertBGRXToBGRA(uint8_t* aData, const IntSize &aSize, int32_t aStride);
ConvertBGRXToBGRA(uint8_t* aData, const IntSize &aSize, const int32_t aStride);
/**
* Copy the pixel data from aSrc and pack it into aDst. aSrcSize, aSrcStride