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Implement extension GL_AMD_shader_image_load_store_lod

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This commit is contained in:
Rex Xu
2017-07-05 17:23:28 +08:00
parent 3d1b709676
commit 129799a709
12 changed files with 298 additions and 1 deletions
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45
SPIRV/GlslangToSpv.cpp
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@@ -1452,7 +1452,11 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
builder.setAccessChainRValue(result);
return false;
#ifdef AMD_EXTENSIONS
} else if (node->getOp() == glslang::EOpImageStore || node->getOp() == glslang::EOpImageStoreLod) {
#else
} else if (node->getOp() == glslang::EOpImageStore) {
#endif
// "imageStore" is a special case, which has no result
return false;
}
@@ -3136,6 +3140,10 @@ void TGlslangToSpvTraverser::translateArguments(const glslang::TIntermAggregate&
if (i == 4)
lvalue = true;
break;
case glslang::EOpSparseImageLoadLod:
if (i == 3)
lvalue = true;
break;
#endif
default:
break;
@@ -3238,26 +3246,55 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
}
operands.push_back(*(opIt++));
#ifdef AMD_EXTENSIONS
if (node->getOp() == glslang::EOpImageLoad || node->getOp() == glslang::EOpImageLoadLod) {
#else
if (node->getOp() == glslang::EOpImageLoad) {
#endif
if (sampler.ms) {
operands.push_back(spv::ImageOperandsSampleMask);
operands.push_back(*opIt);
#ifdef AMD_EXTENSIONS
} else if (cracked.lod) {
builder.addExtension(spv::E_SPV_AMD_shader_image_load_store_lod);
builder.addCapability(spv::CapabilityImageReadWriteLodAMD);
operands.push_back(spv::ImageOperandsLodMask);
operands.push_back(*opIt);
#endif
}
if (builder.getImageTypeFormat(builder.getImageType(operands.front())) == spv::ImageFormatUnknown)
builder.addCapability(spv::CapabilityStorageImageReadWithoutFormat);
return builder.createOp(spv::OpImageRead, resultType(), operands);
#ifdef AMD_EXTENSIONS
} else if (node->getOp() == glslang::EOpImageStore || node->getOp() == glslang::EOpImageStoreLod) {
#else
} else if (node->getOp() == glslang::EOpImageStore) {
#endif
if (sampler.ms) {
operands.push_back(*(opIt + 1));
operands.push_back(spv::ImageOperandsSampleMask);
operands.push_back(*opIt);
#ifdef AMD_EXTENSIONS
} else if (cracked.lod) {
builder.addExtension(spv::E_SPV_AMD_shader_image_load_store_lod);
builder.addCapability(spv::CapabilityImageReadWriteLodAMD);
operands.push_back(*(opIt + 1));
operands.push_back(spv::ImageOperandsLodMask);
operands.push_back(*opIt);
#endif
} else
operands.push_back(*opIt);
builder.createNoResultOp(spv::OpImageWrite, operands);
if (builder.getImageTypeFormat(builder.getImageType(operands.front())) == spv::ImageFormatUnknown)
builder.addCapability(spv::CapabilityStorageImageWriteWithoutFormat);
return spv::NoResult;
#ifdef AMD_EXTENSIONS
} else if (node->getOp() == glslang::EOpSparseImageLoad || node->getOp() == glslang::EOpSparseImageLoadLod) {
#else
} else if (node->getOp() == glslang::EOpSparseImageLoad) {
#endif
builder.addCapability(spv::CapabilitySparseResidency);
if (builder.getImageTypeFormat(builder.getImageType(operands.front())) == spv::ImageFormatUnknown)
builder.addCapability(spv::CapabilityStorageImageReadWithoutFormat);
@@ -3265,6 +3302,14 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
if (sampler.ms) {
operands.push_back(spv::ImageOperandsSampleMask);
operands.push_back(*opIt++);
#ifdef AMD_EXTENSIONS
} else if (cracked.lod) {
builder.addExtension(spv::E_SPV_AMD_shader_image_load_store_lod);
builder.addCapability(spv::CapabilityImageReadWriteLodAMD);
operands.push_back(spv::ImageOperandsLodMask);
operands.push_back(*opIt++);
#endif
}
// Create the return type that was a special structure