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GL_EXT_ray_tracing_position_fetch

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This commit is contained in:
Eric Werness 2022-06-08 17:29:38 -07:00 • committed by arcady-lunarg
parent d6e9d3bb4e
commit 9d8c7b75c9
18 changed files with 461 additions and 194 deletions
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48
SPIRV/GlslangToSpv.cpp Normal file → Executable file
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@ -1010,6 +1010,8 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
return spv::BuiltInRayTmaxKHR;
case glslang::EbvCullMask:
return spv::BuiltInCullMaskKHR;
case glslang::EbvPositionFetch:
return spv::BuiltInHitTriangleVertexPositionsKHR;
case glslang::EbvInstanceCustomIndex:
return spv::BuiltInInstanceCustomIndexKHR;
case glslang::EbvHitT:
@ -1857,13 +1859,16 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion,
builder.addCapability(spv::CapabilityRayTracingNV);
builder.addExtension("SPV_NV_ray_tracing");
}
if (glslangIntermediate->getStage() != EShLangRayGen && glslangIntermediate->getStage() != EShLangCallable)
{
if (extensions.find("GL_EXT_ray_cull_mask") != extensions.end()) {
builder.addCapability(spv::CapabilityRayCullMaskKHR);
builder.addExtension("SPV_KHR_ray_cull_mask");
}
}
if (glslangIntermediate->getStage() != EShLangRayGen && glslangIntermediate->getStage() != EShLangCallable) {
if (extensions.find("GL_EXT_ray_cull_mask") != extensions.end()) {
builder.addCapability(spv::CapabilityRayCullMaskKHR);
builder.addExtension("SPV_KHR_ray_cull_mask");
}
if (extensions.find("GL_EXT_ray_tracing_position_fetch") != extensions.end()) {
builder.addCapability(spv::CapabilityRayTracingPositionFetchKHR);
builder.addExtension("SPV_KHR_ray_tracing_position_fetch");
}
}
break;
}
case EShLangTask:
@ -3301,6 +3306,11 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
builder.addExtension(spv::E_SPV_NV_shader_invocation_reorder);
builder.addCapability(spv::CapabilityShaderInvocationReorderNV);
break;
case glslang::EOpRayQueryGetIntersectionTriangleVertexPositionsEXT:
builder.addExtension(spv::E_SPV_KHR_ray_tracing_position_fetch);
builder.addCapability(spv::CapabilityRayQueryPositionFetchKHR);
noReturnValue = true;
break;
#endif
case glslang::EOpDebugPrintf:
@ -3479,6 +3489,10 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
if (arg == 0 && glslangOperands.size() != 2)
lvalue = true;
break;
case glslang::EOpRayQueryGetIntersectionTriangleVertexPositionsEXT:
if (arg == 0 || arg == 2)
lvalue = true;
break;
#endif
default:
break;
@ -3571,7 +3585,8 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
glslangOp == glslang::EOpRayQueryGetIntersectionObjectRayDirection ||
glslangOp == glslang::EOpRayQueryGetIntersectionObjectRayOrigin ||
glslangOp == glslang::EOpRayQueryGetIntersectionObjectToWorld ||
glslangOp == glslang::EOpRayQueryGetIntersectionWorldToObject
glslangOp == glslang::EOpRayQueryGetIntersectionWorldToObject ||
glslangOp == glslang::EOpRayQueryGetIntersectionTriangleVertexPositionsEXT
)) {
bool cond = glslangOperands[arg]->getAsConstantUnion()->getConstArray()[0].getBConst();
operands.push_back(builder.makeIntConstant(cond ? 1 : 0));
@ -3637,6 +3652,19 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
builder.createNoResultOp(spv::OpCooperativeMatrixStoreNV, idImmOps);
result = 0;
} else if (node->getOp() == glslang::EOpRayQueryGetIntersectionTriangleVertexPositionsEXT) {
std::vector<spv::IdImmediate> idImmOps;
idImmOps.push_back(spv::IdImmediate(true, operands[0])); // q
idImmOps.push_back(spv::IdImmediate(true, operands[1])); // committed
spv::Id typeId = builder.makeArrayType(builder.makeVectorType(builder.makeFloatType(32), 3),
builder.makeUintConstant(3), 0);
// do the op
spv::Id result = builder.createOp(spv::OpRayQueryGetIntersectionTriangleVertexPositionsKHR, typeId, idImmOps);
// store the result to the pointer (out param 'm')
builder.createStore(result, operands[2]);
result = 0;
} else
#endif
if (atomic) {
@ -5561,6 +5589,10 @@ void TGlslangToSpvTraverser::translateArguments(const glslang::TIntermAggregate&
if (i == 7)
lvalue = true;
break;
case glslang::EOpRayQueryGetIntersectionTriangleVertexPositionsEXT:
if (i == 2)
lvalue = true;
break;
default:
break;
}