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https://github.com/KhronosGroup/glslang
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SPV: Implement extension SPV_KHR_shader_draw_parameters.
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Rex Xu
parent
dd2fc1f3d8
commit
f3b27471f8
@ -27,25 +27,10 @@
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#ifndef GLSLextKHR_H
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#define GLSLextKHR_H
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enum BuiltIn;
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enum Op;
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enum Capability;
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static const int GLSLextKHRVersion = 100;
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static const int GLSLextKHRRevision = 1;
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// SPV_KHR_shader_ballot
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static const char* const E_SPV_KHR_shader_ballot = "SPV_KHR_shader_ballot";
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static const char* const E_SPV_KHR_shader_ballot = "SPV_KHR_shader_ballot";
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static const BuiltIn BuiltInSubgroupEqMaskKHR = static_cast<BuiltIn>(4416);
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static const BuiltIn BuiltInSubgroupGeMaskKHR = static_cast<BuiltIn>(4417);
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static const BuiltIn BuiltInSubgroupGtMaskKHR = static_cast<BuiltIn>(4418);
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static const BuiltIn BuiltInSubgroupLeMaskKHR = static_cast<BuiltIn>(4419);
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static const BuiltIn BuiltInSubgroupLtMaskKHR = static_cast<BuiltIn>(4420);
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static const Op OpSubgroupBallotKHR = static_cast<Op>(4421);
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static const Op OpSubgroupFirstInvocationKHR = static_cast<Op>(4422);
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static const Capability CapabilitySubgroupBallotKHR = static_cast<Capability>(4423);
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// SPV_KHR_shader_draw_parameters
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static const char* const E_SPV_KHR_shader_draw_parameters = "SPV_KHR_shader_draw_parameters";
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#endif // #ifndef GLSLextKHR_H
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@ -498,13 +498,21 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
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case glslang::EbvInstanceId: return spv::BuiltInInstanceId;
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case glslang::EbvVertexIndex: return spv::BuiltInVertexIndex;
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case glslang::EbvInstanceIndex: return spv::BuiltInInstanceIndex;
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case glslang::EbvBaseVertex:
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builder.addExtension(spv::E_SPV_KHR_shader_draw_parameters);
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builder.addCapability(spv::CapabilityDrawParameters);
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return spv::BuiltInBaseVertex;
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case glslang::EbvBaseInstance:
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builder.addExtension(spv::E_SPV_KHR_shader_draw_parameters);
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builder.addCapability(spv::CapabilityDrawParameters);
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return spv::BuiltInBaseInstance;
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case glslang::EbvDrawId:
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// TODO: Add SPIR-V builtin ID.
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logger->missingFunctionality("shader draw parameters");
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return spv::BuiltInMax;
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builder.addExtension(spv::E_SPV_KHR_shader_draw_parameters);
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builder.addCapability(spv::CapabilityDrawParameters);
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return spv::BuiltInDrawIndex;
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case glslang::EbvPrimitiveId:
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if (glslangIntermediate->getStage() == EShLangFragment)
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@ -48,7 +48,6 @@
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namespace spv {
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extern "C" {
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// Include C-based headers that don't have a namespace
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#include "GLSL.ext.KHR.h"
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#ifdef AMD_EXTENSIONS
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#include "GLSL.ext.AMD.h"
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#endif
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@ -319,6 +318,10 @@ const char* BuiltInString(int builtIn)
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case 4419: return "SubgroupLeMaskKHR";
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case 4420: return "SubgroupLtMaskKHR";
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case 4424: return "BaseVertex";
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case 4425: return "BaseInstance";
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case 4426: return "DrawIndex";
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#ifdef AMD_EXTENSIONS
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case 4992: return "BaryCoordNoPerspAMD";
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case 4993: return "BaryCoordNoPerspCentroidAMD";
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@ -808,6 +811,7 @@ const char* CapabilityString(int info)
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default: return "Bad";
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case 4423: return "SubgroupBallotKHR";
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case 4427: return "DrawParameters";
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}
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}
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@ -47,11 +47,11 @@ namespace spv {
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typedef unsigned int Id;
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#define SPV_VERSION 0x10000
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#define SPV_REVISION 6
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#define SPV_REVISION 8
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static const unsigned int MagicNumber = 0x07230203;
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static const unsigned int Version = 0x00010000;
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static const unsigned int Revision = 6;
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static const unsigned int Revision = 8;
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static const unsigned int OpCodeMask = 0xffff;
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static const unsigned int WordCountShift = 16;
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@ -420,6 +420,14 @@ enum BuiltIn {
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BuiltInSubgroupLocalInvocationId = 41,
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BuiltInVertexIndex = 42,
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BuiltInInstanceIndex = 43,
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BuiltInSubgroupEqMaskKHR = 4416,
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BuiltInSubgroupGeMaskKHR = 4417,
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BuiltInSubgroupGtMaskKHR = 4418,
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BuiltInSubgroupLeMaskKHR = 4419,
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BuiltInSubgroupLtMaskKHR = 4420,
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BuiltInBaseVertex = 4424,
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BuiltInBaseInstance = 4425,
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BuiltInDrawIndex = 4426,
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BuiltInMax = 0x7fffffff,
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};
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@ -595,6 +603,8 @@ enum Capability {
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CapabilityStorageImageReadWithoutFormat = 55,
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CapabilityStorageImageWriteWithoutFormat = 56,
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CapabilityMultiViewport = 57,
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CapabilitySubgroupBallotKHR = 4423,
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CapabilityDrawParameters = 4427,
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CapabilityMax = 0x7fffffff,
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};
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@ -893,6 +903,8 @@ enum Op {
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OpAtomicFlagTestAndSet = 318,
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OpAtomicFlagClear = 319,
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OpImageSparseRead = 320,
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OpSubgroupBallotKHR = 4421,
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OpSubgroupFirstInvocationKHR = 4422,
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OpMax = 0x7fffffff,
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};
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108
Test/baseResults/spv.shaderDrawParams.vert.out
Normal file
108
Test/baseResults/spv.shaderDrawParams.vert.out
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@ -0,0 +1,108 @@
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spv.shaderDrawParams.vert
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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 vertex 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 53
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Capability Shader
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Capability DrawParameters
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Extension "SPV_KHR_shader_draw_parameters"
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1: ExtInstImport "GLSL.std.450"
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MemoryModel Logical GLSL450
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EntryPoint Vertex 4 "main" 9 16 29 37
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Source GLSL 450
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SourceExtension "GL_ARB_shader_draw_parameters"
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Name 4 "main"
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Name 9 "gl_BaseVertexARB"
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Name 16 "gl_BaseInstanceARB"
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Name 27 "gl_PerVertex"
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MemberName 27(gl_PerVertex) 0 "gl_Position"
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MemberName 27(gl_PerVertex) 1 "gl_PointSize"
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MemberName 27(gl_PerVertex) 2 "gl_ClipDistance"
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MemberName 27(gl_PerVertex) 3 "gl_CullDistance"
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Name 29 ""
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Name 34 "Block"
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MemberName 34(Block) 0 "pos"
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Name 36 "block"
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Name 37 "gl_DrawIDARB"
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Decorate 9(gl_BaseVertexARB) BuiltIn BaseVertex
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Decorate 16(gl_BaseInstanceARB) BuiltIn BaseInstance
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MemberDecorate 27(gl_PerVertex) 0 BuiltIn Position
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MemberDecorate 27(gl_PerVertex) 1 BuiltIn PointSize
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MemberDecorate 27(gl_PerVertex) 2 BuiltIn ClipDistance
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MemberDecorate 27(gl_PerVertex) 3 BuiltIn CullDistance
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Decorate 27(gl_PerVertex) Block
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Decorate 31 ArrayStride 16
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Decorate 33 ArrayStride 64
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MemberDecorate 34(Block) 0 Offset 0
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Decorate 34(Block) Block
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Decorate 36(block) DescriptorSet 0
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Decorate 36(block) Binding 0
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Decorate 37(gl_DrawIDARB) BuiltIn DrawIndex
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2: TypeVoid
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3: TypeFunction 2
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6: TypeBool
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7: TypeInt 32 1
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8: TypePointer Input 7(int)
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9(gl_BaseVertexARB): 8(ptr) Variable Input
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11: 7(int) Constant 0
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16(gl_BaseInstanceARB): 8(ptr) Variable Input
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22: TypeFloat 32
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23: TypeVector 22(float) 4
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24: TypeInt 32 0
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25: 24(int) Constant 1
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26: TypeArray 22(float) 25
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27(gl_PerVertex): TypeStruct 23(fvec4) 22(float) 26 26
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28: TypePointer Output 27(gl_PerVertex)
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29: 28(ptr) Variable Output
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30: 24(int) Constant 4
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31: TypeArray 23(fvec4) 30
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32: 24(int) Constant 2
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33: TypeArray 31 32
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34(Block): TypeStruct 33
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35: TypePointer Uniform 34(Block)
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36(block): 35(ptr) Variable Uniform
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37(gl_DrawIDARB): 8(ptr) Variable Input
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39: 7(int) Constant 4
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41: TypePointer Uniform 23(fvec4)
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44: TypePointer Output 23(fvec4)
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47: 7(int) Constant 1
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4(main): 2 Function None 3
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5: Label
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10: 7(int) Load 9(gl_BaseVertexARB)
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12: 6(bool) SGreaterThan 10 11
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13: 6(bool) LogicalNot 12
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SelectionMerge 15 None
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BranchConditional 13 14 15
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14: Label
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17: 7(int) Load 16(gl_BaseInstanceARB)
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18: 6(bool) SGreaterThan 17 11
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Branch 15
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15: Label
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19: 6(bool) Phi 12 5 18 14
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SelectionMerge 21 None
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BranchConditional 19 20 46
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20: Label
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38: 7(int) Load 37(gl_DrawIDARB)
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40: 7(int) SMod 38 39
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42: 41(ptr) AccessChain 36(block) 11 11 40
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43: 23(fvec4) Load 42
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45: 44(ptr) AccessChain 29 11
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Store 45 43
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Branch 21
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46: Label
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48: 7(int) Load 37(gl_DrawIDARB)
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49: 7(int) SMod 48 39
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50: 41(ptr) AccessChain 36(block) 11 47 49
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51: 23(fvec4) Load 50
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52: 44(ptr) AccessChain 29 11
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Store 52 51
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Branch 21
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21: Label
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Return
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FunctionEnd
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16
Test/spv.shaderDrawParams.vert
Normal file
16
Test/spv.shaderDrawParams.vert
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@ -0,0 +1,16 @@
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#version 450 core
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#extension GL_ARB_shader_draw_parameters: enable
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layout(binding = 0) uniform Block
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{
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vec4 pos[2][4];
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} block;
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void main()
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{
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if ((gl_BaseVertexARB > 0) || (gl_BaseInstanceARB > 0))
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gl_Position = block.pos[0][gl_DrawIDARB % 4];
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else
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gl_Position = block.pos[1][gl_DrawIDARB % 4];
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}
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@ -237,6 +237,7 @@ INSTANTIATE_TEST_CASE_P(
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"spv.prepost.frag",
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"spv.qualifiers.vert",
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"spv.shaderBallot.comp",
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"spv.shaderDrawParams.vert",
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"spv.shaderGroupVote.comp",
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"spv.shiftOps.frag",
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"spv.simpleFunctionCall.frag",
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