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Fix vector comparison expression for HLSL. #2270

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Fix vector comparison expression for HLSL. #2270

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3 changes: 2 additions & 1 deletion src/OpenColorIO/GpuShaderUtils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -482,7 +482,8 @@ std::string GpuShaderText::declareVarStr(const std::string & name, float v)
std::string GpuShaderText::vectorCompareExpression(const std::string& lhs, const std::string& op, const std::string& rhs)
{
std::string ret = lhs + " " + op + " " + rhs;
if(m_lang == GPU_LANGUAGE_MSL_2_0)
// MSL and HLSL do not allow vector bool in if-conditions: wrap with any().
if(m_lang == GPU_LANGUAGE_MSL_2_0 || m_lang == GPU_LANGUAGE_HLSL_SM_5_0)
{
ret = "any( " + ret + " )";
}
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