Add-support-for-SPV_NV_mesh_shader

gtests/Spv.FromFile.cpp

@@ -506,6 +506,13 @@ INSTANTIATE_TEST_CASE_P(
     "spv.computeShaderDerivatives.comp",
     "spv.computeShaderDerivatives2.comp",
     "spv.shaderImageFootprint.frag",
+    "spv.meshShaderBuiltins.mesh",
+    "spv.meshShaderUserDefined.mesh",
+    "spv.meshShaderPerViewBuiltins.mesh",
+    "spv.meshShaderPerViewUserDefined.mesh",
+    "spv.meshShaderSharedMem.mesh",
+    "spv.meshShaderTaskMem.mesh",
+    "spv.meshTaskShader.task",
 })),
 FileNameAsCustomTestSuffix
 );

gtests/TestFixture.cpp

@@ -60,6 +60,12 @@ EShLanguage GetShaderStage(const std::string& stage)
         return EShLangFragment;
     } else if (stage == "comp") {
         return EShLangCompute;
+#ifdef NV_EXTENSIONS
+    } else if (stage == "task") {
+        return EShLangTaskNV;
+    } else if (stage == "mesh") {
+        return EShLangMeshNV;
+#endif
     } else {
         assert(0 && "Unknown shader stage");
         return EShLangCount;