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Implement GL_EXT_fragment_invocation_density

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including SPV generation using SPV_EXT_fragment_invocation_density.
This is an alias of the functionality in SPV_NV_shading_rate, and thus in some
cases we can only have one set of the tokens present (switch statements), so
we have picked the EXT version. This required updating the expected test
results for SPV_NV_shading_rate.

Also updated the known-good for spirv-headers so that the validator in
spirv-tools knows about the new extension.
This commit is contained in:
Daniel Koch
2018-11-26 10:01:58 -05:00
parent 83fe01e274
commit 5154db5183
18 changed files with 215 additions and 12 deletions
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10
SPIRV/doc.cpp
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@@ -388,12 +388,15 @@ const char* BuiltInString(int builtIn)
case BuiltInSecondaryViewportMaskNV: return "SecondaryViewportMaskNV";
case BuiltInPositionPerViewNV: return "PositionPerViewNV";
case BuiltInViewportMaskPerViewNV: return "ViewportMaskPerViewNV";
case BuiltInFragmentSizeNV: return "FragmentSizeNV";
case BuiltInInvocationsPerPixelNV: return "InvocationsPerPixelNV";
// case BuiltInFragmentSizeNV: return "FragmentSizeNV"; // superseded by BuiltInFragSizeEXT
// case BuiltInInvocationsPerPixelNV: return "InvocationsPerPixelNV"; // superseded by BuiltInFragInvocationCountEXT
case BuiltInBaryCoordNV: return "BaryCoordNV";
case BuiltInBaryCoordNoPerspNV: return "BaryCoordNoPerspNV";
#endif
case BuiltInFragSizeEXT: return "FragSizeEXT";
case BuiltInFragInvocationCountEXT: return "FragInvocationCountEXT";
case 5264: return "FullyCoveredEXT";
@@ -897,8 +900,9 @@ const char* CapabilityString(int info)
case CapabilityComputeDerivativeGroupLinearNV: return "ComputeDerivativeGroupLinearNV";
case CapabilityFragmentBarycentricNV: return "FragmentBarycentricNV";
case CapabilityMeshShadingNV: return "MeshShadingNV";
case CapabilityShadingRateNV: return "ShadingRateNV";
// case CapabilityShadingRateNV: return "ShadingRateNV"; // superseded by CapabilityFragmentDensityEXT
#endif
case CapabilityFragmentDensityEXT: return "FragmentDensityEXT";
case CapabilityFragmentFullyCoveredEXT: return "FragmentFullyCoveredEXT";