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Merge pull request #1595 from dgkoch/EXT_fragment_invocation_density

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Implement GL_EXT_fragment_invocation_density
This commit is contained in:
John Kessenich
2018-11-27 06:41:36 -07:00
committed by GitHub
parent 2173c650ac 5154db5183
commit d7baecfab7
17 changed files with 214 additions and 11 deletions
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3
SPIRV/GLSL.ext.EXT.h
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@@ -28,10 +28,11 @@
#define GLSLextEXT_H
static const int GLSLextEXTVersion = 100;
static const int GLSLextEXTRevision = 1;
static const int GLSLextEXTRevision = 2;
static const char* const E_SPV_EXT_shader_stencil_export = "SPV_EXT_shader_stencil_export";
static const char* const E_SPV_EXT_shader_viewport_index_layer = "SPV_EXT_shader_viewport_index_layer";
static const char* const E_SPV_EXT_fragment_fully_covered = "SPV_EXT_fragment_fully_covered";
static const char* const E_SPV_EXT_fragment_invocation_density = "SPV_EXT_fragment_invocation_density";
#endif // #ifndef GLSLextEXT_H

10
SPIRV/GlslangToSpv.cpp
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@@ -833,6 +833,16 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
builder.addCapability(spv::CapabilityMultiView);
return spv::BuiltInViewIndex;
case glslang::EbvFragSizeEXT:
builder.addExtension(spv::E_SPV_EXT_fragment_invocation_density);
builder.addCapability(spv::CapabilityFragmentDensityEXT);
return spv::BuiltInFragSizeEXT;
case glslang::EbvFragInvocationCountEXT:
builder.addExtension(spv::E_SPV_EXT_fragment_invocation_density);
builder.addCapability(spv::CapabilityFragmentDensityEXT);
return spv::BuiltInFragInvocationCountEXT;
#ifdef NV_EXTENSIONS
case glslang::EbvViewportMaskNV:
if (!memberDeclaration) {

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// case BuiltInFragmentSizeNV: return "FragmentSizeNV"; // superseded by BuiltInFragSizeEXT
// case BuiltInInvocationsPerPixelNV: return "InvocationsPerPixelNV"; // superseded by BuiltInFragInvocationCountEXT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";