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Implement GL_EXT_demote_to_helper_invocation

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This commit is contained in:
Jeff Bolz 2019-07-01 09:23:23 -05:00
parent 4162de4bbf
commit ba6170b534
18 changed files with 3618 additions and 3426 deletions
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1
SPIRV/GLSL.ext.EXT.h
View file

@ -34,5 +34,6 @@ static const char* const E_SPV_EXT_shader_stencil_export = "SPV_EXT_shade
static const char* const E_SPV_EXT_shader_viewport_index_layer = "SPV_EXT_shader_viewport_index_layer";
static const char* const E_SPV_EXT_fragment_fully_covered = "SPV_EXT_fragment_fully_covered";
static const char* const E_SPV_EXT_fragment_invocation_density = "SPV_EXT_fragment_invocation_density";
static const char* const E_SPV_EXT_demote_to_helper_invocation = "SPV_EXT_demote_to_helper_invocation";
#endif // #ifndef GLSLextEXT_H

13
SPIRV/GlslangToSpv.cpp
View file

@ -3111,6 +3111,12 @@ bool TGlslangToSpvTraverser::visitBranch(glslang::TVisit /* visit */, glslang::T
builder.clearAccessChain();
break;
case glslang::EOpDemote:
builder.createNoResultOp(spv::OpDemoteToHelperInvocationEXT);
builder.addExtension(spv::E_SPV_EXT_demote_to_helper_invocation);
builder.addCapability(spv::CapabilityDemoteToHelperInvocationEXT);
break;
default:
assert(0);
break;
@ -7610,6 +7616,13 @@ spv::Id TGlslangToSpvTraverser::createNoArgOperation(glslang::TOperator op, spv:
builder.createNoResultOp(spv::OpEndInvocationInterlockEXT);
return 0;
case glslang::EOpIsHelperInvocation:
{
std::vector<spv::Id> args; // Dummy arguments
spv::Id id = builder.createOp(spv::OpIsHelperInvocationEXT, typeId, args);
return id;
}
default:
logger->missingFunctionality("unknown operation with no arguments");
return 0;

4
SPIRV/doc.cpp
View file

@ -1367,6 +1367,8 @@ const char* OpcodeString(int op)
case OpCooperativeMatrixStoreNV: return "OpCooperativeMatrixStoreNV";
case OpCooperativeMatrixMulAddNV: return "OpCooperativeMatrixMulAddNV";
case OpCooperativeMatrixLengthNV: return "OpCooperativeMatrixLengthNV";
case OpDemoteToHelperInvocationEXT: return "OpDemoteToHelperInvocationEXT";
case OpIsHelperInvocationEXT: return "OpIsHelperInvocationEXT";
case OpBeginInvocationInterlockEXT: return "OpBeginInvocationInterlockEXT";
case OpEndInvocationInterlockEXT: return "OpEndInvocationInterlockEXT";
@ -2784,6 +2786,8 @@ void Parameterize()
InstructionDesc[OpCooperativeMatrixMulAddNV].operands.push(OperandId, "'C'");
InstructionDesc[OpCooperativeMatrixLengthNV].operands.push(OperandId, "'Type'");
InstructionDesc[OpDemoteToHelperInvocationEXT].setResultAndType(false, false);
}
}; // end spv namespace

12
SPIRV/spirv.hpp
View file

@ -455,6 +455,7 @@ enum Decoration {
DecorationHlslCounterBufferGOOGLE = 5634,
DecorationHlslSemanticGOOGLE = 5635,
DecorationUserSemantic = 5635,
DecorationUserTypeGOOGLE = 5636,
DecorationMax = 0x7fffffff,
};
@ -632,7 +633,7 @@ enum MemorySemanticsShift {
MemorySemanticsOutputMemoryKHRShift = 12,
MemorySemanticsMakeAvailableKHRShift = 13,
MemorySemanticsMakeVisibleKHRShift = 14,
MemorySemanticsVolatileShift = 15,
MemorySemanticsVolatileShift = 15,
MemorySemanticsMax = 0x7fffffff,
};
@ -650,8 +651,8 @@ enum MemorySemanticsMask {
MemorySemanticsImageMemoryMask = 0x00000800,
MemorySemanticsOutputMemoryKHRMask = 0x00001000,
MemorySemanticsMakeAvailableKHRMask = 0x00002000,
MemorySemanticsMakeVisibleKHRMask = 0x00004000,
MemorySemanticsVolatileMask = 0x00008000,
MemorySemanticsMakeVisibleKHRMask = 0x00004000,
MemorySemanticsVolatileMask = 0x00008000,
};
enum MemoryAccessShift {
@ -845,6 +846,7 @@ enum Capability {
CapabilityFragmentShaderShadingRateInterlockEXT = 5372,
CapabilityShaderSMBuiltinsNV = 5373,
CapabilityFragmentShaderPixelInterlockEXT = 5378,
CapabilityDemoteToHelperInvocationEXT = 5379,
CapabilitySubgroupShuffleINTEL = 5568,
CapabilitySubgroupBufferBlockIOINTEL = 5569,
CapabilitySubgroupImageBlockIOINTEL = 5570,
@ -1233,6 +1235,8 @@ enum Op {
OpCooperativeMatrixLengthNV = 5362,
OpBeginInvocationInterlockEXT = 5364,
OpEndInvocationInterlockEXT = 5365,
OpDemoteToHelperInvocationEXT = 5380,
OpIsHelperInvocationEXT = 5381,
OpSubgroupShuffleINTEL = 5571,
OpSubgroupShuffleDownINTEL = 5572,
OpSubgroupShuffleUpINTEL = 5573,
@ -1907,6 +1911,8 @@ inline void HasResultAndType(Op opcode, bool *hasResult, bool *hasResultType) {
case OpSubgroupAvcSicGetInterRawSadsINTEL: *hasResult = true; *hasResultType = true; break;
case OpBeginInvocationInterlockEXT: *hasResult = false; *hasResultType = false; break;
case OpEndInvocationInterlockEXT: *hasResult = false; *hasResultType = false; break;
case OpDemoteToHelperInvocationEXT: *hasResult = false; *hasResultType = false; break;
case OpIsHelperInvocationEXT: *hasResult = true; *hasResultType = true; break;
}
}
#endif /* SPV_ENABLE_UTILITY_CODE */