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WIP: HLSL: hlsl register class iomapping

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Adds --hlsl-iomap option to perform IO mapping in HLSL register space.

--shift-cbuffer-binding is now a synonym for --shift-ubo-binding.

The idea way to do this seems to be passing in a dedicated IO resolver, but
that would require more intrusive restructuring, so maybe best for its
own PR.

The TDefaultHlslIoResolver class and the former TDefaultIoResolver class
share quite a bit of mechanism in a common base class.

TODO: tbuffers are landing in the wrong register class, which needs some
investigation.  They're either wrong upstream, or the detection in the
resolver is wrong.
This commit is contained in:
steve-lunarg 2017-04-18 12:18:01 -06:00
parent ba5cc2fafa
commit be28355019
8 changed files with 335 additions and 96 deletions
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3
glslang/Public/ShaderLang.h
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@ -303,8 +303,11 @@ public:
void setShiftTextureBinding(unsigned int base);
void setShiftImageBinding(unsigned int base);
void setShiftUboBinding(unsigned int base);
void setShiftUavBinding(unsigned int base);
void setShiftCbufferBinding(unsigned int base); // synonym for setShiftUboBinding
void setShiftSsboBinding(unsigned int base);
void setAutoMapBindings(bool map);
void setHlslIoMapping(bool hlslIoMap);
void setFlattenUniformArrays(bool flatten);
void setNoStorageFormat(bool useUnknownFormat);