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SPV: Implement specialization constants for ?:.

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This commit is contained in:
John Kessenich
2017-01-28 19:29:42 -07:00
parent 433e9ff896
commit 8e6c6cef6a
5 changed files with 73 additions and 12 deletions
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6
SPIRV/GlslangToSpv.cpp
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@@ -1775,7 +1775,7 @@ bool TGlslangToSpvTraverser::visitSelection(glslang::TVisit /* visit */, glslang
// return true if a single operand to ? : is okay for OpSelect
const auto operandOkay = [](glslang::TIntermTyped* node) {
return node->getAsSymbolNode() || node->getAsConstantUnion();
return node->getAsSymbolNode() || node->getType().getQualifier().isConstant();
};
return operandOkay(node->getTrueBlock() ->getAsTyped()) &&
@@ -1799,6 +1799,10 @@ bool TGlslangToSpvTraverser::visitSelection(glslang::TVisit /* visit */, glslang
// Try for OpSelect
if (selectPolicy()) {
SpecConstantOpModeGuard spec_constant_op_mode_setter(&builder);
if (node->getType().getQualifier().isSpecConstant())
spec_constant_op_mode_setter.turnOnSpecConstantOpMode();
handleAsOpSelect();
return false;
}