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HLSL: allow promotion from 1-vector types to scalars, e.g, float<-float1

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Previously, an error was thrown when assigning a float1 to a scalar float,
or similar for other basic types.  This allows that.

Also, this allows calling functions accepting scalars with float1 params,
so for example sin(float1) will work.  This is a minor change in
HlslParseContext::findFunction().
This commit is contained in:
steve-lunarg 2016-11-11 15:37:10 -07:00
parent e69e196e02
commit d9cb832f9c
6 changed files with 140 additions and 2 deletions
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glslang/Include/Types.h
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@ -1271,6 +1271,7 @@ public:
virtual TArraySizes& getArraySizes() { assert(arraySizes != nullptr); return *arraySizes; }
virtual bool isScalar() const { return ! isVector() && ! isMatrix() && ! isStruct() && ! isArray(); }
virtual bool isScalarOrVec1() const { return isScalar() || vector1; }
virtual bool isVector() const { return vectorSize > 1 || vector1; }
virtual bool isMatrix() const { return matrixCols ? true : false; }
virtual bool isArray() const { return arraySizes != nullptr; }