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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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8
glslang/MachineIndependent/Initialize.cpp
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@ -5034,6 +5034,10 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"void beginInvocationInterlockARB(void);"
"void endInvocationInterlockARB(void);");
stageBuiltins[EShLangFragment].append(
"bool helperInvocationEXT();"
"\n");
#ifdef AMD_EXTENSIONS
// GL_AMD_shader_explicit_vertex_parameter
if (profile != EEsProfile && version >= 450) {
@ -8641,6 +8645,8 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setVariableExtensions("gl_StorageSemanticsImage", 1, &E_GL_KHR_memory_scope_semantics);
symbolTable.setVariableExtensions("gl_StorageSemanticsOutput", 1, &E_GL_KHR_memory_scope_semantics);
}
symbolTable.setFunctionExtensions("helperInvocationEXT", 1, &E_GL_EXT_demote_to_helper_invocation);
break;
case EShLangCompute:
@ -9295,6 +9301,8 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.relateToOperator("findLSB", EOpFindLSB);
symbolTable.relateToOperator("findMSB", EOpFindMSB);
symbolTable.relateToOperator("helperInvocationEXT", EOpIsHelperInvocation);
if (PureOperatorBuiltins) {
symbolTable.relateToOperator("imageSize", EOpImageQuerySize);
symbolTable.relateToOperator("imageSamples", EOpImageQuerySamples);