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Merge pull request #5760 from raven02/patch-43

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Return false when alpha blending disabled
This commit is contained in:
Henrik Rydgård 2014-03-29 12:00:47 -04:00
commit e270c3eafd
1 changed files with 8 additions and 5 deletions
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13
GPU/GLES/FragmentShaderGenerator.cpp
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@ -234,11 +234,14 @@ static bool IsColorTestTriviallyTrue() {
}
}
static bool AlphaToColorDoubling() {
// 2x alpha in the source function and full alpha = source color doubling.
// If we see this, we don't really need to care about the dest alpha function - sure we can't handle
// the doubling dest ones, but there's nothing we can do about that.
return (gstate.getBlendFuncA() == GE_SRCBLEND_DOUBLESRCALPHA) && (gstate_c.vertexFullAlpha && (gstate_c.textureFullAlpha || !gstate.isTextureAlphaUsed()));
static bool AlphaToColorDoubling() {
if (!gstate.isAlphaBlendEnabled()) {
return false;
}
// 2x alpha in the source function and full alpha = source color doubling.
// If we see this, we don't really need to care about the dest alpha function - sure we can't handle
// the doubling dest ones, but there's nothing we can do about that.
return (gstate.getBlendFuncA() == GE_SRCBLEND_DOUBLESRCALPHA) && (gstate_c.vertexFullAlpha && (gstate_c.textureFullAlpha || !gstate.isTextureAlphaUsed()));
}
static bool CanDoubleSrcBlendMode() {