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| author | twiz@chromium.org <twiz@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2012-05-05 01:23:44 +0000 |
|---|---|---|
| committer | twiz@chromium.org <twiz@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2012-05-05 01:23:44 +0000 |
| commit | e57052dfc263904958aab228c15df44c26386295 (patch) | |
| tree | 75672d5a2be3e912d8fd898b6c45da8e2d48de1b /gpu | |
| parent | 8e23c888e76b7ecdc5e5f9d8fb7451097e96a0e9 (diff) | |
| download | chromium_src-e57052dfc263904958aab228c15df44c26386295.zip chromium_src-e57052dfc263904958aab228c15df44c26386295.tar.gz chromium_src-e57052dfc263904958aab228c15df44c26386295.tar.bz2 | |
Adjust the constant pixel color values so that premultiplied alpha operations do not rely on the rounding behaviour of the GPU shader.
The rounding behaviour on mac was generating results that 1/2 = 1, which was not present on Linux and Windows platforms.
BUG=126178
TEST=gl_tests
Review URL: http://codereview.chromium.org/10368026
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@135512 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'gpu')
| -rw-r--r-- | gpu/command_buffer/tests/gl_copy_texture_CHROMIUM_unittest.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gpu/command_buffer/tests/gl_copy_texture_CHROMIUM_unittest.cc b/gpu/command_buffer/tests/gl_copy_texture_CHROMIUM_unittest.cc index 9020537..28b1518 100644 --- a/gpu/command_buffer/tests/gl_copy_texture_CHROMIUM_unittest.cc +++ b/gpu/command_buffer/tests/gl_copy_texture_CHROMIUM_unittest.cc @@ -122,9 +122,10 @@ TEST_F(GLCopyTextureCHROMIUMTest, FlipYAndPremultiplyAlpha) { uint8 pixels[2][2][4]; for (int x = 0; x < 2; ++x) { for (int y = 0; y < 2; ++y) { - pixels[y][x][0] = x + y; - pixels[y][x][1] = x + y; - pixels[y][x][2] = x + y; + uint8 color = 16 * x + 16 * y; + pixels[y][x][0] = color; + pixels[y][x][1] = color; + pixels[y][x][2] = color; pixels[y][x][3] = 128u; } } |