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SPV: Use OpLogicalEqual/OpLogicalNotEqual for boolean type comparison.

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This commit is contained in:
Rex Xu
2016-04-27 08:15:37 +08:00
parent d6abcee1fc
commit c7d3656dde
3 changed files with 8 additions and 3 deletions
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5
SPIRV/GlslangToSpv.cpp
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@@ -2633,6 +2633,7 @@ spv::Id TGlslangToSpvTraverser::createBinaryOperation(glslang::TOperator op, spv
{
bool isUnsigned = typeProxy == glslang::EbtUint;
bool isFloat = typeProxy == glslang::EbtFloat || typeProxy == glslang::EbtDouble;
bool isBool = typeProxy == glslang::EbtBool;
spv::Op binOp = spv::OpNop;
bool needMatchingVectors = true; // for non-matrix ops, would a scalar need to smear to match a vector?
@@ -2820,6 +2821,8 @@ spv::Id TGlslangToSpvTraverser::createBinaryOperation(glslang::TOperator op, spv
case glslang::EOpVectorEqual:
if (isFloat)
binOp = spv::OpFOrdEqual;
else if (isBool)
binOp = spv::OpLogicalEqual;
else
binOp = spv::OpIEqual;
break;
@@ -2827,6 +2830,8 @@ spv::Id TGlslangToSpvTraverser::createBinaryOperation(glslang::TOperator op, spv
case glslang::EOpVectorNotEqual:
if (isFloat)
binOp = spv::OpFOrdNotEqual;
else if (isBool)
binOp = spv::OpLogicalNotEqual;
else
binOp = spv::OpINotEqual;
break;