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Implement SPV_KHR_post_depth_coverage

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Added support for both extension GL_ARB_post_depth_coverage and GL_EXT_post_depth_coverage.
This commit is contained in:
chaoc 2017-06-30 17:14:30 -07:00
parent 994660208c
commit c120452754
20 changed files with 185 additions and 6 deletions
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6
SPIRV/GlslangToSpv.cpp
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@ -980,6 +980,12 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(const glslang::TIntermediate* gls
if (glslangIntermediate->getEarlyFragmentTests())
builder.addExecutionMode(shaderEntry, spv::ExecutionModeEarlyFragmentTests);
if (glslangIntermediate->getPostDepthCoverage()) {
builder.addCapability(spv::CapabilitySampleMaskPostDepthCoverage);
builder.addExecutionMode(shaderEntry, spv::ExecutionModePostDepthCoverage);
builder.addExtension(spv::E_SPV_KHR_post_depth_coverage);
}
switch(glslangIntermediate->getDepth()) {
case glslang::EldGreater: mode = spv::ExecutionModeDepthGreater; break;
case glslang::EldLess: mode = spv::ExecutionModeDepthLess; break;