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https://github.com/KhronosGroup/glslang
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SPV: Add support for memory qualifiers.
This commit is contained in:
Rex Xu
parent
0967748fbc
commit
1da878f6d1
@ -265,6 +265,21 @@ spv::Decoration TranslateBlockDecoration(const glslang::TType& type)
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return (spv::Decoration)spv::BadValue;
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}
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// Translate glslang type to SPIR-V memory decorations.
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void TranslateMemoryDecoration(const glslang::TQualifier& qualifier, std::vector<spv::Decoration>& memory)
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{
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if (qualifier.coherent)
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memory.push_back(spv::DecorationCoherent);
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if (qualifier.volatil)
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memory.push_back(spv::DecorationVolatile);
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if (qualifier.restrict)
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memory.push_back(spv::DecorationRestrict);
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if (qualifier.readonly)
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memory.push_back(spv::DecorationNonWritable);
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if (qualifier.writeonly)
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memory.push_back(spv::DecorationNonReadable);
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}
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// Translate glslang type to SPIR-V layout decorations.
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spv::Decoration TranslateLayoutDecoration(const glslang::TType& type, glslang::TLayoutMatrix matrixLayout)
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{
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@ -535,6 +550,16 @@ void InheritQualifiers(glslang::TQualifier& child, const glslang::TQualifier& pa
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child.patch = true;
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if (parent.sample)
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child.sample = true;
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if (parent.coherent)
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child.coherent = true;
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if (parent.volatil)
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child.volatil = true;
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if (parent.restrict)
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child.restrict = true;
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if (parent.readonly)
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child.readonly = true;
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if (parent.writeonly)
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child.writeonly = true;
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}
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bool HasNonLayoutQualifiers(const glslang::TQualifier& qualifier)
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@ -1759,6 +1784,13 @@ spv::Id TGlslangToSpvTraverser::convertGlslangToSpvType(const glslang::TType& ty
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addMemberDecoration(spvType, member, TranslateInterpolationDecoration(subQualifier));
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addMemberDecoration(spvType, member, TranslateInvariantDecoration(subQualifier));
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if (qualifier.storage == glslang::EvqBuffer) {
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std::vector<spv::Decoration> memory;
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TranslateMemoryDecoration(subQualifier, memory);
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for (unsigned int i = 0; i < memory.size(); ++i)
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addMemberDecoration(spvType, member, memory[i]);
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}
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// compute location decoration; tricky based on whether inheritance is at play
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// TODO: This algorithm (and it's cousin above doing almost the same thing) should
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// probably move to the linker stage of the front end proper, and just have the
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@ -3575,6 +3607,13 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
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builder.addDecoration(id, spv::DecorationXfbBuffer, symbol->getQualifier().layoutXfbBuffer);
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}
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if (symbol->getType().isImage()) {
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std::vector<spv::Decoration> memory;
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TranslateMemoryDecoration(symbol->getType().getQualifier(), memory);
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for (unsigned int i = 0; i < memory.size(); ++i)
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addDecoration(id, memory[i]);
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}
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// built-in variable decorations
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spv::BuiltIn builtIn = TranslateBuiltInDecoration(symbol->getQualifier().builtIn);
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if (builtIn != spv::BadValue)
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@ -35,6 +35,7 @@ Linked compute stage:
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Decorate 26(gl_GlobalInvocationID) BuiltIn GlobalInvocationId
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Decorate 33(gl_LocalInvocationID) BuiltIn LocalInvocationId
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Decorate 59(destTex) DescriptorSet 0
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Decorate 59(destTex) NonReadable
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2: TypeVoid
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3: TypeFunction 2
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6: TypeFloat 32
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@ -79,6 +79,7 @@ Linked fragment stage:
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Decorate 248(value) Flat
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Decorate 357(wo2D) DescriptorSet 0
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Decorate 357(wo2D) Binding 1
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Decorate 357(wo2D) NonReadable
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Decorate 377(ic4D) Flat
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2: TypeVoid
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3: TypeFunction 2
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181
Test/baseResults/spv.memoryQualifier.frag.out
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181
Test/baseResults/spv.memoryQualifier.frag.out
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@ -0,0 +1,181 @@
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spv.memoryQualifier.frag
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Warning, version 450 is not yet complete; most version-specific features are present, but some are missing.
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Linked fragment stage:
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// Module Version 10000
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// Generated by (magic number): 80001
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// Id's are bound by 97
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Capability Shader
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Capability SampledRect
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Capability Sampled1D
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1: ExtInstImport "GLSL.std.450"
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MemoryModel Logical GLSL450
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EntryPoint Fragment 4 "main"
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ExecutionMode 4 OriginUpperLeft
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Source GLSL 450
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Name 4 "main"
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Name 9 "texel"
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Name 12 "i1D"
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Name 19 "i2D"
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Name 28 "i2DRect"
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Name 35 "i3D"
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Name 44 "iCube"
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Name 49 "Data"
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MemberName 49(Data) 0 "f1"
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MemberName 49(Data) 1 "f2"
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Name 50 "Buffer"
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MemberName 50(Buffer) 0 "f1"
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MemberName 50(Buffer) 1 "f2"
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MemberName 50(Buffer) 2 "f3"
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MemberName 50(Buffer) 3 "f4"
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MemberName 50(Buffer) 4 "i1"
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MemberName 50(Buffer) 5 "data"
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Name 52 ""
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Decorate 12(i1D) DescriptorSet 0
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Decorate 12(i1D) Binding 0
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Decorate 12(i1D) Coherent
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Decorate 19(i2D) DescriptorSet 0
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Decorate 19(i2D) Binding 1
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Decorate 19(i2D) Volatile
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Decorate 28(i2DRect) DescriptorSet 0
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Decorate 28(i2DRect) Binding 2
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Decorate 28(i2DRect) Restrict
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Decorate 35(i3D) DescriptorSet 0
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Decorate 35(i3D) Binding 3
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Decorate 35(i3D) NonWritable
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Decorate 44(iCube) DescriptorSet 0
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Decorate 44(iCube) Binding 3
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Decorate 44(iCube) NonReadable
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MemberDecorate 49(Data) 0 Coherent
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MemberDecorate 49(Data) 0 Offset 0
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MemberDecorate 49(Data) 1 Coherent
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MemberDecorate 49(Data) 1 Offset 8
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MemberDecorate 50(Buffer) 0 Coherent
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MemberDecorate 50(Buffer) 0 Volatile
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MemberDecorate 50(Buffer) 0 Offset 0
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MemberDecorate 50(Buffer) 1 Coherent
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MemberDecorate 50(Buffer) 1 Restrict
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MemberDecorate 50(Buffer) 1 Offset 8
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MemberDecorate 50(Buffer) 2 Coherent
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MemberDecorate 50(Buffer) 2 NonWritable
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MemberDecorate 50(Buffer) 2 Offset 16
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MemberDecorate 50(Buffer) 3 Coherent
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MemberDecorate 50(Buffer) 3 NonReadable
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MemberDecorate 50(Buffer) 3 Offset 32
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MemberDecorate 50(Buffer) 4 Coherent
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MemberDecorate 50(Buffer) 4 Offset 48
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MemberDecorate 50(Buffer) 5 Coherent
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MemberDecorate 50(Buffer) 5 Offset 56
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Decorate 50(Buffer) BufferBlock
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Decorate 52 DescriptorSet 0
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2: TypeVoid
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3: TypeFunction 2
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6: TypeFloat 32
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7: TypeVector 6(float) 4
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8: TypePointer Function 7(fvec4)
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10: TypeImage 6(float) 1D nonsampled format:R32f
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11: TypePointer UniformConstant 10
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12(i1D): 11(ptr) Variable UniformConstant
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14: TypeInt 32 1
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15: 14(int) Constant 1
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17: TypeImage 6(float) 2D nonsampled format:R32f
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18: TypePointer UniformConstant 17
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19(i2D): 18(ptr) Variable UniformConstant
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21: TypeVector 14(int) 2
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22: 21(ivec2) ConstantComposite 15 15
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26: TypeImage 6(float) Rect nonsampled format:R32f
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27: TypePointer UniformConstant 26
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28(i2DRect): 27(ptr) Variable UniformConstant
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33: TypeImage 6(float) 3D nonsampled format:R32f
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34: TypePointer UniformConstant 33
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35(i3D): 34(ptr) Variable UniformConstant
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37: TypeVector 14(int) 3
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38: 37(ivec3) ConstantComposite 15 15 15
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42: TypeImage 6(float) Cube nonsampled format:R32f
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43: TypePointer UniformConstant 42
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44(iCube): 43(ptr) Variable UniformConstant
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47: TypeVector 6(float) 2
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48: TypeVector 6(float) 3
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49(Data): TypeStruct 6(float) 47(fvec2)
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50(Buffer): TypeStruct 6(float) 47(fvec2) 48(fvec3) 7(fvec4) 14(int) 49(Data)
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51: TypePointer Uniform 50(Buffer)
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52: 51(ptr) Variable Uniform
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53: 14(int) Constant 4
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54: TypePointer Uniform 14(int)
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57: 14(int) Constant 0
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58: TypePointer Uniform 6(float)
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61: TypePointer Function 6(float)
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63: TypePointer Uniform 47(fvec2)
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71: 14(int) Constant 2
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72: TypePointer Uniform 48(fvec3)
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80: 14(int) Constant 5
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83: TypeInt 32 0
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84: 83(int) Constant 1
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88: 83(int) Constant 3
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93: 14(int) Constant 3
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95: TypePointer Uniform 7(fvec4)
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4(main): 2 Function None 3
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5: Label
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9(texel): 8(ptr) Variable Function
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13: 10 Load 12(i1D)
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16: 7(fvec4) ImageRead 13 15
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Store 9(texel) 16
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20: 17 Load 19(i2D)
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23: 7(fvec4) ImageRead 20 22
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24: 7(fvec4) Load 9(texel)
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25: 7(fvec4) FAdd 24 23
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Store 9(texel) 25
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29: 26 Load 28(i2DRect)
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30: 7(fvec4) ImageRead 29 22
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31: 7(fvec4) Load 9(texel)
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32: 7(fvec4) FAdd 31 30
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Store 9(texel) 32
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36: 33 Load 35(i3D)
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39: 7(fvec4) ImageRead 36 38
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40: 7(fvec4) Load 9(texel)
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41: 7(fvec4) FAdd 40 39
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Store 9(texel) 41
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45: 42 Load 44(iCube)
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46: 7(fvec4) Load 9(texel)
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ImageWrite 45 38 46
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55: 54(ptr) AccessChain 52 53
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56: 14(int) Load 55
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59: 58(ptr) AccessChain 52 57
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60: 6(float) Load 59
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62: 61(ptr) AccessChain 9(texel) 56
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Store 62 60
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64: 63(ptr) AccessChain 52 15
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65: 47(fvec2) Load 64
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66: 7(fvec4) Load 9(texel)
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67: 47(fvec2) VectorShuffle 66 66 0 1
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68: 47(fvec2) FAdd 67 65
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69: 7(fvec4) Load 9(texel)
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70: 7(fvec4) VectorShuffle 69 68 4 5 2 3
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Store 9(texel) 70
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73: 72(ptr) AccessChain 52 71
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74: 48(fvec3) Load 73
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75: 7(fvec4) Load 9(texel)
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76: 48(fvec3) VectorShuffle 75 75 0 1 2
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77: 48(fvec3) FSub 76 74
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78: 7(fvec4) Load 9(texel)
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79: 7(fvec4) VectorShuffle 78 77 4 5 6 3
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Store 9(texel) 79
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81: 58(ptr) AccessChain 52 80 57
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82: 6(float) Load 81
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85: 58(ptr) AccessChain 52 80 15 84
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86: 6(float) Load 85
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87: 6(float) FAdd 82 86
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89: 61(ptr) AccessChain 9(texel) 88
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90: 6(float) Load 89
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91: 6(float) FAdd 90 87
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92: 61(ptr) AccessChain 9(texel) 88
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Store 92 91
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94: 7(fvec4) Load 9(texel)
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96: 95(ptr) AccessChain 52 93
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Store 96 94
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Return
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FunctionEnd
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38
Test/spv.memoryQualifier.frag
Normal file
38
Test/spv.memoryQualifier.frag
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@ -0,0 +1,38 @@
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#version 450
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layout(binding = 0, r32f) uniform coherent image1D i1D;
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layout(binding = 1, r32f) uniform volatile image2D i2D;
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layout(binding = 2, r32f) uniform restrict image2DRect i2DRect;
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layout(binding = 3, r32f) uniform readonly image3D i3D;
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layout(binding = 3, r32f) uniform writeonly imageCube iCube;
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struct Data
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{
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float f1;
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vec2 f2;
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};
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coherent buffer Buffer
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{
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volatile float f1;
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restrict vec2 f2;
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readonly vec3 f3;
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writeonly vec4 f4;
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int i1;
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Data data;
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};
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void main()
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{
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vec4 texel = imageLoad(i1D, 1);
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texel += imageLoad(i2D, ivec2(1));
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texel += imageLoad(i2DRect, ivec2(1));
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texel += imageLoad(i3D, ivec3(1));
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imageStore(iCube, ivec3(1), texel);
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texel[i1] = f1;
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texel.xy += f2;
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texel.xyz -= f3;
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texel.w += data.f1 + data.f2[1];
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f4 = texel;
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}
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@ -60,6 +60,7 @@ spv.loopsArtificial.frag
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spv.matFun.vert
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spv.matrix.frag
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spv.matrix2.frag
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spv.memoryQualifier.frag
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spv.merge-unreachable.frag
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spv.newTexture.frag
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spv.nonSquare.vert
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