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| author | zmo@chromium.org <zmo@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2012-04-09 22:42:56 +0000 |
|---|---|---|
| committer | zmo@chromium.org <zmo@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2012-04-09 22:42:56 +0000 |
| commit | 0a34b580949f37f6644178a38a6617ba07721d9b (patch) | |
| tree | 2e881a740fbd614cb62fc85034b4f5abb4ff1dd8 /gpu | |
| parent | 7be4a96af7eecf23ec5d8655fc8bb4c1558897e2 (diff) | |
| download | chromium_src-0a34b580949f37f6644178a38a6617ba07721d9b.zip chromium_src-0a34b580949f37f6644178a38a6617ba07721d9b.tar.gz chromium_src-0a34b580949f37f6644178a38a6617ba07721d9b.tar.bz2 | |
Change the glGetShaderPrecisionFormat emulated values.
The current returned values are wrong, so they fail the WebGL conformance test.
BUG=
TEST=shader-precision-format.html
R=gman
Review URL: https://chromiumcodereview.appspot.com/10024040
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@131465 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'gpu')
| -rw-r--r-- | gpu/command_buffer/service/gles2_cmd_decoder.cc | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc index cfb274a..ed2ff16 100644 --- a/gpu/command_buffer/service/gles2_cmd_decoder.cc +++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc @@ -7386,16 +7386,18 @@ error::Error GLES2DecoderImpl::HandleGetShaderPrecisionFormat( case GL_LOW_INT: case GL_MEDIUM_INT: case GL_HIGH_INT: - result->min_range = -31; - result->max_range = 31; + // These values are for a 32-bit twos-complement integer format. + result->min_range = 31; + result->max_range = 30; result->precision = 0; break; case GL_LOW_FLOAT: case GL_MEDIUM_FLOAT: case GL_HIGH_FLOAT: - result->min_range = -62; - result->max_range = 62; - result->precision = -16; + // These values are for an IEEE single-precision floating-point format. + result->min_range = 127; + result->max_range = 127; + result->precision = 23; break; default: NOTREACHED(); |