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Support GL_ARB_fragment_shader_interlock

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This commit is contained in:
Jeff Bolz
2019-06-03 11:33:50 -05:00
parent a549bb8175
commit c6f0ce8dbc
19 changed files with 336 additions and 5 deletions
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37
SPIRV/GlslangToSpv.cpp
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@@ -1469,6 +1469,30 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion, const gl
if (glslangIntermediate->getDepth() != glslang::EldUnchanged && glslangIntermediate->isDepthReplacing())
builder.addExecutionMode(shaderEntry, spv::ExecutionModeDepthReplacing);
switch (glslangIntermediate->getInterlockOrdering()) {
case glslang::EioPixelInterlockOrdered: mode = spv::ExecutionModePixelInterlockOrderedEXT; break;
case glslang::EioPixelInterlockUnordered: mode = spv::ExecutionModePixelInterlockUnorderedEXT; break;
case glslang::EioSampleInterlockOrdered: mode = spv::ExecutionModeSampleInterlockOrderedEXT; break;
case glslang::EioSampleInterlockUnordered: mode = spv::ExecutionModeSampleInterlockUnorderedEXT; break;
case glslang::EioShadingRateInterlockOrdered: mode = spv::ExecutionModeShadingRateInterlockOrderedEXT; break;
case glslang::EioShadingRateInterlockUnordered: mode = spv::ExecutionModeShadingRateInterlockUnorderedEXT; break;
default: mode = spv::ExecutionModeMax; break;
}
if (mode != spv::ExecutionModeMax) {
builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode);
if (mode == spv::ExecutionModeShadingRateInterlockOrderedEXT ||
mode == spv::ExecutionModeShadingRateInterlockUnorderedEXT) {
builder.addCapability(spv::CapabilityFragmentShaderShadingRateInterlockEXT);
} else if (mode == spv::ExecutionModePixelInterlockOrderedEXT ||
mode == spv::ExecutionModePixelInterlockUnorderedEXT) {
builder.addCapability(spv::CapabilityFragmentShaderPixelInterlockEXT);
} else {
builder.addCapability(spv::CapabilityFragmentShaderSampleInterlockEXT);
}
builder.addExtension(spv::E_SPV_EXT_fragment_shader_interlock);
}
break;
case EShLangCompute:
@@ -2396,6 +2420,11 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
case glslang::EOpCooperativeMatrixStore:
noReturnValue = true;
break;
case glslang::EOpBeginInvocationInterlock:
case glslang::EOpEndInvocationInterlock:
builder.addExtension(spv::E_SPV_EXT_fragment_shader_interlock);
noReturnValue = true;
break;
default:
break;
@@ -7429,6 +7458,14 @@ spv::Id TGlslangToSpvTraverser::createNoArgOperation(glslang::TOperator op, spv:
builder.createNoResultOp(spv::OpTerminateRayNV);
return 0;
#endif
case glslang::EOpBeginInvocationInterlock:
builder.createNoResultOp(spv::OpBeginInvocationInterlockEXT);
return 0;
case glslang::EOpEndInvocationInterlock:
builder.createNoResultOp(spv::OpEndInvocationInterlockEXT);
return 0;
default:
logger->missingFunctionality("unknown operation with no arguments");
return 0;