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SPV: Emit extension for using StorageClassStorageBuffer.

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This commit is contained in:
John Kessenich 2017-05-05 05:09:58 -06:00
parent 43c72b0e01
commit a5c5fb6118
3 changed files with 45 additions and 41 deletions
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13
SPIRV/GLSL.ext.KHR.h
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@ -34,11 +34,12 @@ enum Capability;
static const int GLSLextKHRVersion = 100;
static const int GLSLextKHRRevision = 1;
static const char* const E_SPV_KHR_shader_ballot = "SPV_KHR_shader_ballot";
static const char* const E_SPV_KHR_subgroup_vote = "SPV_KHR_subgroup_vote";
static const char* const E_SPV_KHR_device_group = "SPV_KHR_device_group";
static const char* const E_SPV_KHR_multiview = "SPV_KHR_multiview";
static const char* const E_SPV_KHR_shader_draw_parameters = "SPV_KHR_shader_draw_parameters";
static const char* const E_SPV_KHR_16bit_storage = "SPV_KHR_16bit_storage";
static const char* const E_SPV_KHR_shader_ballot = "SPV_KHR_shader_ballot";
static const char* const E_SPV_KHR_subgroup_vote = "SPV_KHR_subgroup_vote";
static const char* const E_SPV_KHR_device_group = "SPV_KHR_device_group";
static const char* const E_SPV_KHR_multiview = "SPV_KHR_multiview";
static const char* const E_SPV_KHR_shader_draw_parameters = "SPV_KHR_shader_draw_parameters";
static const char* const E_SPV_KHR_16bit_storage = "SPV_KHR_16bit_storage";
static const char* const E_SPV_KHR_storage_buffer_storage_class = "SPV_KHR_storage_buffer_storage_class";
#endif // #ifndef GLSLextKHR_H

72
SPIRV/GlslangToSpv.cpp
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@ -123,6 +123,7 @@ protected:
spv::BuiltIn TranslateBuiltInDecoration(glslang::TBuiltInVariable, bool memberDeclaration);
spv::ImageFormat TranslateImageFormat(const glslang::TType& type);
spv::LoopControlMask TranslateLoopControl(glslang::TLoopControl) const;
spv::StorageClass TranslateStorageClass(const glslang::TType&);
spv::Id createSpvVariable(const glslang::TIntermSymbol*);
spv::Id getSampledType(const glslang::TSampler&);
spv::Id getInvertedSwizzleType(const glslang::TIntermTyped&);
@ -245,39 +246,6 @@ spv::ExecutionModel TranslateExecutionModel(EShLanguage stage)
}
}
// Translate glslang type to SPIR-V storage class.
spv::StorageClass TranslateStorageClass(const glslang::TType& type, bool useStorageBuffer)
{
if (type.getQualifier().isPipeInput())
return spv::StorageClassInput;
else if (type.getQualifier().isPipeOutput())
return spv::StorageClassOutput;
else if (type.getBasicType() == glslang::EbtAtomicUint)
return spv::StorageClassAtomicCounter;
else if (type.containsOpaque())
return spv::StorageClassUniformConstant;
else if (useStorageBuffer && type.getQualifier().storage == glslang::EvqBuffer)
return spv::StorageClassStorageBuffer;
else if (type.getQualifier().isUniformOrBuffer()) {
if (type.getQualifier().layoutPushConstant)
return spv::StorageClassPushConstant;
if (type.getBasicType() == glslang::EbtBlock)
return spv::StorageClassUniform;
else
return spv::StorageClassUniformConstant;
} else {
switch (type.getQualifier().storage) {
case glslang::EvqShared: return spv::StorageClassWorkgroup; break;
case glslang::EvqGlobal: return spv::StorageClassPrivate;
case glslang::EvqConstReadOnly: return spv::StorageClassFunction;
case glslang::EvqTemporary: return spv::StorageClassFunction;
default:
assert(0);
return spv::StorageClassFunction;
}
}
}
// Translate glslang sampler type to SPIR-V dimensionality.
spv::Dim TranslateDimensionality(const glslang::TSampler& sampler)
{
@ -780,6 +748,40 @@ spv::LoopControlMask TGlslangToSpvTraverser::TranslateLoopControl(glslang::TLoop
}
}
// Translate glslang type to SPIR-V storage class.
spv::StorageClass TGlslangToSpvTraverser::TranslateStorageClass(const glslang::TType& type)
{
if (type.getQualifier().isPipeInput())
return spv::StorageClassInput;
else if (type.getQualifier().isPipeOutput())
return spv::StorageClassOutput;
else if (type.getBasicType() == glslang::EbtAtomicUint)
return spv::StorageClassAtomicCounter;
else if (type.containsOpaque())
return spv::StorageClassUniformConstant;
else if (glslangIntermediate->usingStorageBuffer() && type.getQualifier().storage == glslang::EvqBuffer) {
builder.addExtension(spv::E_SPV_KHR_storage_buffer_storage_class);
return spv::StorageClassStorageBuffer;
} else if (type.getQualifier().isUniformOrBuffer()) {
if (type.getQualifier().layoutPushConstant)
return spv::StorageClassPushConstant;
if (type.getBasicType() == glslang::EbtBlock)
return spv::StorageClassUniform;
else
return spv::StorageClassUniformConstant;
} else {
switch (type.getQualifier().storage) {
case glslang::EvqShared: return spv::StorageClassWorkgroup; break;
case glslang::EvqGlobal: return spv::StorageClassPrivate;
case glslang::EvqConstReadOnly: return spv::StorageClassFunction;
case glslang::EvqTemporary: return spv::StorageClassFunction;
default:
assert(0);
return spv::StorageClassFunction;
}
}
}
// Return whether or not the given type is something that should be tied to a
// descriptor set.
bool IsDescriptorResource(const glslang::TType& type)
@ -2092,7 +2094,7 @@ spv::Id TGlslangToSpvTraverser::createSpvVariable(const glslang::TIntermSymbol*
}
// Now, handle actual variables
spv::StorageClass storageClass = TranslateStorageClass(node->getType(), glslangIntermediate->usingStorageBuffer());
spv::StorageClass storageClass = TranslateStorageClass(node->getType());
spv::Id spvType = convertGlslangToSpvType(node->getType());
#ifdef AMD_EXTENSIONS
@ -2855,7 +2857,7 @@ void TGlslangToSpvTraverser::makeFunctions(const glslang::TIntermSequence& glslF
(paramType.getBasicType() == glslang::EbtBlock &&
paramType.getQualifier().storage == glslang::EvqBuffer) || // SSBO
(p == 0 && implicitThis)) // implicit 'this'
typeId = builder.makePointer(TranslateStorageClass(paramType, glslangIntermediate->usingStorageBuffer()), typeId);
typeId = builder.makePointer(TranslateStorageClass(paramType), typeId);
else if (paramType.getQualifier().storage != glslang::EvqConstReadOnly)
typeId = builder.makePointer(spv::StorageClassFunction, typeId);
else

1
Test/baseResults/spv.storageBuffer.vert.out
View File

@ -6,6 +6,7 @@ Warning, version 450 is not yet complete; most version-specific features are pre
// Id's are bound by 31
Capability Shader
Extension "SPV_KHR_storage_buffer_storage_class"
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Vertex 4 "main" 13