Fix subgroup support for ray tracing
Closes #1735
GlslangToSpv.cpp
- minor formatting cleanup
BaseTypes.h
- minor formatting cleanup
- add subgroup builtins to GetBuiltInVariableString
(was resulting in "unknown built-in variable" messages in test output)
Initialize.cpp
- better naming and re-use of strings for subgroup builtin variable declarations
- define subgroup builtin variables in ray-tracing shaders
intermOut.cpp
- add handling of the EOpSubgroupParition* variables
(was resulting in "ERROR: Bad aggregation op" messages in test output)
Update test results.
diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index 4ef6cd7..c513cd1 100644
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -888,7 +888,7 @@
builder.addCapability(spv::CapabilityShadingRateNV);
return spv::BuiltInInvocationsPerPixelNV;
- // raytracing
+ // ray tracing
case glslang::EbvLaunchIdNV:
return spv::BuiltInLaunchIdNV;
case glslang::EbvLaunchSizeNV:
@@ -917,6 +917,8 @@
return spv::BuiltInWorldToObjectNV;
case glslang::EbvIncomingRayFlagsNV:
return spv::BuiltInIncomingRayFlagsNV;
+
+ // barycentrics
case glslang::EbvBaryCoordNV:
builder.addExtension(spv::E_SPV_NV_fragment_shader_barycentric);
builder.addCapability(spv::CapabilityFragmentBarycentricNV);
@@ -925,23 +927,25 @@
builder.addExtension(spv::E_SPV_NV_fragment_shader_barycentric);
builder.addCapability(spv::CapabilityFragmentBarycentricNV);
return spv::BuiltInBaryCoordNoPerspNV;
- case glslang::EbvTaskCountNV:
+
+ // mesh shaders
+ case glslang::EbvTaskCountNV:
return spv::BuiltInTaskCountNV;
- case glslang::EbvPrimitiveCountNV:
+ case glslang::EbvPrimitiveCountNV:
return spv::BuiltInPrimitiveCountNV;
- case glslang::EbvPrimitiveIndicesNV:
+ case glslang::EbvPrimitiveIndicesNV:
return spv::BuiltInPrimitiveIndicesNV;
- case glslang::EbvClipDistancePerViewNV:
+ case glslang::EbvClipDistancePerViewNV:
return spv::BuiltInClipDistancePerViewNV;
- case glslang::EbvCullDistancePerViewNV:
+ case glslang::EbvCullDistancePerViewNV:
return spv::BuiltInCullDistancePerViewNV;
- case glslang::EbvLayerPerViewNV:
+ case glslang::EbvLayerPerViewNV:
return spv::BuiltInLayerPerViewNV;
- case glslang::EbvMeshViewCountNV:
+ case glslang::EbvMeshViewCountNV:
return spv::BuiltInMeshViewCountNV;
- case glslang::EbvMeshViewIndicesNV:
+ case glslang::EbvMeshViewIndicesNV:
return spv::BuiltInMeshViewIndicesNV;
-#endif
+#endif
default:
return spv::BuiltInMax;
}