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HLSL: implement [unroll] and [loop] attributes

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This adds infrastructure suitable for any front end to create SPIR-V loop
control flags.  The only current front end doing so is HLSL.

[unroll] turns into spv::LoopControlUnrollMask
[loop] turns into spv::LoopControlDontUnrollMask
no specification means spv::LoopControlMaskNone
This commit is contained in:
steve-lunarg 2017-05-02 20:14:50 -06:00
parent de1cc06c1d
commit f1709e7146
17 changed files with 334 additions and 17 deletions
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3
hlsl/hlslParseHelper.h
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@ -192,6 +192,9 @@ public:
bool handleOutputGeometry(const TSourceLoc&, const TLayoutGeometry& geometry);
bool handleInputGeometry(const TSourceLoc&, const TLayoutGeometry& geometry);
// Determine loop control from attributes
TLoopControl handleLoopControl(const TAttributeMap& attributes) const;
// Potentially rename shader entry point function
void renameShaderFunction(const TString*& name) const;