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| author | hyunki.baik@samsung.com <hyunki.baik@samsung.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-07-16 07:33:29 +0000 |
|---|---|---|
| committer | hyunki.baik@samsung.com <hyunki.baik@samsung.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-07-16 07:33:29 +0000 |
| commit | 58240a727a5709b1330c33a65d8ee24064481215 (patch) | |
| tree | d1187699da263bd4b5515a94219a838376bd4ca9 | |
| parent | 285c4bf4e2fe63f087391217b411d6b080732a80 (diff) | |
| download | chromium_src-58240a727a5709b1330c33a65d8ee24064481215.zip chromium_src-58240a727a5709b1330c33a65d8ee24064481215.tar.gz chromium_src-58240a727a5709b1330c33a65d8ee24064481215.tar.bz2 | |
ui/gfx: optimize RGBA to RGB conversion by using memcpy in png_codec.cc
BUG=none
TEST=gfx_unittests --gtest_filter="PNGCodec*"
Review URL: https://codereview.chromium.org/397673002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@283385 0039d316-1c4b-4281-b951-d872f2087c98
| -rw-r--r-- | ui/gfx/codec/png_codec.cc | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/ui/gfx/codec/png_codec.cc b/ui/gfx/codec/png_codec.cc index 1bf2aad..645f185 100644 --- a/ui/gfx/codec/png_codec.cc +++ b/ui/gfx/codec/png_codec.cc @@ -33,13 +33,8 @@ void ConvertBetweenBGRAandRGBA(const unsigned char* input, int pixel_width, void ConvertRGBAtoRGB(const unsigned char* rgba, int pixel_width, unsigned char* rgb, bool* is_opaque) { - for (int x = 0; x < pixel_width; x++) { - const unsigned char* pixel_in = &rgba[x * 4]; - unsigned char* pixel_out = &rgb[x * 3]; - pixel_out[0] = pixel_in[0]; - pixel_out[1] = pixel_in[1]; - pixel_out[2] = pixel_in[2]; - } + for (int x = 0; x < pixel_width; x++) + memcpy(&rgb[x * 3], &rgba[x * 4], 3); } void ConvertSkiatoRGB(const unsigned char* skia, int pixel_width, |