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Provide a definition for GL_SAMPLE_ALPHA_TO_COVERAGE_ARB

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This commit is contained in:
Frederic Bouvier 2012-09-26 08:38:04 +02:00
parent 98ca36e8f5
commit 700b0bc776
1 changed files with 4 additions and 0 deletions
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simgear/scene/material/Effect.cxx
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@ -608,6 +608,10 @@ struct AlphaToCoverageBuilder : public PassAttributeBuilder
const SGReaderWriterOptions* options); const SGReaderWriterOptions* options);
}; };
#ifndef GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
#define GL_SAMPLE_ALPHA_TO_COVERAGE_ARB 0x809E
#endif
void AlphaToCoverageBuilder::buildAttribute(Effect* effect, Pass* pass, void AlphaToCoverageBuilder::buildAttribute(Effect* effect, Pass* pass,
const SGPropertyNode* prop, const SGPropertyNode* prop,
const SGReaderWriterOptions* options) const SGReaderWriterOptions* options)