Implement extension GL_ARB_shader_stencil_export
diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index 492c912..eaa8cd3 100755
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -520,6 +520,10 @@
builder.addCapability(spv::CapabilityGeometry);
return spv::BuiltInPrimitiveId;
+ case glslang::EbvFragStencilRef:
+ logger->missingFunctionality("shader stencil export");
+ return spv::BuiltInMax;
+
case glslang::EbvInvocationId: return spv::BuiltInInvocationId;
case glslang::EbvTessLevelInner: return spv::BuiltInTessLevelInner;
case glslang::EbvTessLevelOuter: return spv::BuiltInTessLevelOuter;