diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index 71af11b..4b7204d 100755
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -4738,6 +4738,11 @@
             builder.addExtension(spv::E_SPV_NV_sample_mask_override_coverage);
         }
     }
+    if (symbol->getQualifier().layoutPassthrough) {
+        addDecoration(id, spv::PassthroughNV);
+        builder.addCapability(spv::GeometryShaderPassthroughNV);
+        builder.addExtension(spv::E_SPV_NV_geometry_shader_passthrough);
+    }
 #endif
 
     return id;