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Build fix: work around what appears to be an Intel GLSL driver bug. Unreviewed.

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git-svn-id: http://skia.googlecode.com/svn/trunk@5812 2bbb7eff-a529-9590-31e7-b0007b416f81
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senorblanco@chromium.org 2012-10-04 18:15:15 +00:00
parent 837ec432cc
commit 9f7827fcd9
1 changed files with 3 additions and 2 deletions
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5
src/effects/SkMatrixConvolutionImageFilter.cpp
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@ -395,9 +395,10 @@ void GrGLMatrixConvolutionEffect::emitFS(GrGLShaderBuilder* builder,
code->appendf("\t\t%s = sum * %s + %s;\n", outputColor, gain, bias);
code->appendf("\t\t%s.rgb = clamp(%s.rgb, 0.0, %s.a);\n", outputColor, outputColor, outputColor);
} else {
code->appendf("\t\t%s.a = (", outputColor);
code->appendf("\t\tvec4 c = ");
appendTextureLookup(builder, samplers[0], builder->defaultTexCoordsName(), fTileMode);
code->appendf(").a;\n");
code->appendf(";\n");
code->appendf("\t\t%s.a = c.a;\n", outputColor);
code->appendf("\t\t%s.rgb = sum.rgb * %s + %s;\n", outputColor, gain, bias);
code->appendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor);
}