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Allow nonuniformEXT() on sampler types.

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Also add missing NonUniformEXT decoration on OpImageTexelPointer.
This commit is contained in:
Jeff Bolz 2020-03-09 10:48:12 -05:00
parent f333272eb5
commit 39ffdaf2ab
7 changed files with 136 additions and 1 deletions
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3
SPIRV/GlslangToSpv.cpp
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@ -4835,6 +4835,9 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
resultTypeId = builder.makePointer(spv::StorageClassImage, resultType());
}
spv::Id pointer = builder.createOp(spv::OpImageTexelPointer, resultTypeId, operands);
if (imageType.getQualifier().nonUniform) {
builder.addDecoration(pointer, spv::DecorationNonUniformEXT);
}
std::vector<spv::Id> operands;
operands.push_back(pointer);

62
Test/baseResults/spv.nonuniform3.frag.out Normal file
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@ -0,0 +1,62 @@
spv.nonuniform3.frag
Validation failed
// Module Version 10000
// Generated by (magic number): 80008
// Id's are bound by 32
Capability Shader
Capability ShaderNonUniformEXT
Capability RuntimeDescriptorArrayEXT
Extension "SPV_EXT_descriptor_indexing"
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 9 16
ExecutionMode 4 OriginUpperLeft
Source GLSL 450
SourceExtension "GL_EXT_nonuniform_qualifier"
Name 4 "main"
Name 9 "FragColor"
Name 13 "uTex"
Name 16 "Index"
Name 23 "uSamp"
Decorate 9(FragColor) Location 0
Decorate 13(uTex) DescriptorSet 0
Decorate 13(uTex) Binding 0
Decorate 16(Index) Flat
Decorate 16(Index) Location 0
Decorate 23(uSamp) DescriptorSet 1
Decorate 23(uSamp) Binding 0
Decorate 27 DecorationNonUniformEXT
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypePointer Output 7(fvec4)
9(FragColor): 8(ptr) Variable Output
10: TypeImage 6(float) 2D sampled format:Unknown
11: TypeRuntimeArray 10
12: TypePointer UniformConstant 11
13(uTex): 12(ptr) Variable UniformConstant
14: TypeInt 32 1
15: TypePointer Input 14(int)
16(Index): 15(ptr) Variable Input
18: TypePointer UniformConstant 10
21: TypeSampler
22: TypePointer UniformConstant 21
23(uSamp): 22(ptr) Variable UniformConstant
25: TypeSampledImage 10
28: TypeVector 6(float) 2
29: 6(float) Constant 1056964608
30: 28(fvec2) ConstantComposite 29 29
4(main): 2 Function None 3
5: Label
17: 14(int) Load 16(Index)
19: 18(ptr) AccessChain 13(uTex) 17
20: 10 Load 19
24: 21 Load 23(uSamp)
26: 25 SampledImage 20 24
27: 25 CopyObject 26
31: 7(fvec4) ImageSampleImplicitLod 27 30
Store 9(FragColor) 31
Return
FunctionEnd

50
Test/baseResults/spv.nonuniform4.frag.out Normal file
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@ -0,0 +1,50 @@
spv.nonuniform4.frag
// Module Version 10000
// Generated by (magic number): 80008
// Id's are bound by 24
Capability Shader
Capability ImageBuffer
Capability ShaderNonUniformEXT
Capability RuntimeDescriptorArrayEXT
Capability StorageTexelBufferArrayNonUniformIndexingEXT
Extension "SPV_EXT_descriptor_indexing"
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 13
ExecutionMode 4 OriginUpperLeft
Source GLSL 450
SourceExtension "GL_EXT_nonuniform_qualifier"
Name 4 "main"
Name 10 "data"
Name 13 "rIndex"
Decorate 10(data) DescriptorSet 0
Decorate 10(data) Binding 4
Decorate 13(rIndex) Flat
Decorate 13(rIndex) Location 3
Decorate 15 DecorationNonUniformEXT
Decorate 21 DecorationNonUniformEXT
2: TypeVoid
3: TypeFunction 2
6: TypeInt 32 0
7: TypeImage 6(int) Buffer nonsampled format:R32ui
8: TypeRuntimeArray 7
9: TypePointer UniformConstant 8
10(data): 9(ptr) Variable UniformConstant
11: TypeInt 32 1
12: TypePointer Input 11(int)
13(rIndex): 12(ptr) Variable Input
16: TypePointer UniformConstant 7
18: 11(int) Constant 0
19: 6(int) Constant 0
20: TypePointer Image 6(int)
22: 6(int) Constant 1
4(main): 2 Function None 3
5: Label
14: 11(int) Load 13(rIndex)
15: 11(int) CopyObject 14
17: 16(ptr) AccessChain 10(data) 15
21: 20(ptr) ImageTexelPointer 17 18 19
23: 6(int) AtomicIAdd 21 22 19 19
Return
FunctionEnd

10
Test/spv.nonuniform3.frag Normal file
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@ -0,0 +1,10 @@
#version 450
#extension GL_EXT_nonuniform_qualifier : require
layout(set = 0, binding = 0) uniform texture2D uTex[];
layout(set = 1, binding = 0) uniform sampler uSamp;
layout(location = 0) flat in int Index;
layout(location = 0) out vec4 FragColor;
void main()
{
FragColor = texture(nonuniformEXT(sampler2D(uTex[Index], uSamp)), vec2(0.5));
}

8
Test/spv.nonuniform4.frag Normal file
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@ -0,0 +1,8 @@
#version 450
#extension GL_EXT_nonuniform_qualifier : require
layout(set=0,binding=4,r32ui) uniform uimageBuffer data[];
layout(location = 3) in flat int rIndex;
void main()
{
imageAtomicAdd(data[nonuniformEXT(rIndex)], 0, 0);
}

2
glslang/MachineIndependent/ParseHelper.cpp
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@ -3089,7 +3089,7 @@ bool TParseContext::constructorError(const TSourceLoc& loc, TIntermNode* node, T
error(loc, "constructor argument does not have a type", "constructor", "");
return true;
}
if (op != EOpConstructStruct && typed->getBasicType() == EbtSampler) {
if (op != EOpConstructStruct && op != EOpConstructNonuniform && typed->getBasicType() == EbtSampler) {
error(loc, "cannot convert a sampler", "constructor", "");
return true;
}

2
gtests/Spv.FromFile.cpp
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@ -356,6 +356,8 @@ INSTANTIATE_TEST_CASE_P(
"spv.nonSquare.vert",
"spv.nonuniform.frag",
"spv.nonuniform2.frag",
"spv.nonuniform3.frag",
"spv.nonuniform4.frag",
"spv.noWorkgroup.comp",
"spv.offsets.frag",
"spv.Operations.frag",