SPV GLSL.std.450: Add needed smear operations for min, max, clamp, mix, step, and smoothstep.
diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index 78e9e6d..e1babc1 100755
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -2871,6 +2871,7 @@
libCall = spv::GLSLstd450UMin;
else
libCall = spv::GLSLstd450SMin;
+ builder.promoteScalar(precision, operands.front(), operands.back());
break;
case glslang::EOpModf:
libCall = spv::GLSLstd450Modf;
@@ -2882,6 +2883,7 @@
libCall = spv::GLSLstd450UMax;
else
libCall = spv::GLSLstd450SMax;
+ builder.promoteScalar(precision, operands.front(), operands.back());
break;
case glslang::EOpPow:
libCall = spv::GLSLstd450Pow;
@@ -2900,18 +2902,24 @@
libCall = spv::GLSLstd450UClamp;
else
libCall = spv::GLSLstd450SClamp;
+ builder.promoteScalar(precision, operands.front(), operands[1]);
+ builder.promoteScalar(precision, operands.front(), operands[2]);
break;
case glslang::EOpMix:
if (isFloat)
libCall = spv::GLSLstd450FMix;
else
libCall = spv::GLSLstd450IMix;
+ builder.promoteScalar(precision, operands.front(), operands.back());
break;
case glslang::EOpStep:
libCall = spv::GLSLstd450Step;
+ builder.promoteScalar(precision, operands.front(), operands.back());
break;
case glslang::EOpSmoothStep:
libCall = spv::GLSLstd450SmoothStep;
+ builder.promoteScalar(precision, operands[0], operands[2]);
+ builder.promoteScalar(precision, operands[1], operands[2]);
break;
case glslang::EOpDistance: