Merge pull request #2388 from Tobski/rq-initialization-error

Test/baseResults/rayQuery-initialization.Error.comp.out

+rayQuery-initialization.Error.comp
+ERROR: 0:7: '=' : ray queries can only be initialized by using the rayQueryInitializeEXT intrinsic: bar
+ERROR: 1 compilation errors.  No code generated.
+
+
+SPIR-V is not generated for failed compile or link

Test/rayQuery-initialization.Error.comp

+#version 460
+
+#extension GL_EXT_ray_query : enable
+
+void main () {
+    rayQueryEXT foo;
+    rayQueryEXT bar = foo;
+}
\ No newline at end of file

glslang/MachineIndependent/ParseHelper.cpp

@@ -6561,6 +6561,12 @@ TIntermNode* TParseContext::declareVariable(const TSourceLoc& loc, TString& iden
     type.copyArrayInnerSizes(publicType.arraySizes);
     arrayOfArrayVersionCheck(loc, type.getArraySizes());
 
+    if (initializer) {
+        if (type.getBasicType() == EbtRayQuery) {
+            error(loc, "ray queries can only be initialized by using the rayQueryInitializeEXT intrinsic:", "=", identifier.c_str());
+        }
+    }
+
     if (type.isCoopMat()) {
         intermediate.setUseVulkanMemoryModel();
         intermediate.setUseStorageBuffer();

gtests/Spv.FromFile.cpp

  //
 // Copyright (C) 2016 Google, Inc.
 // Copyright (C) 2019 ARM Limited.
+// Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
 //
 // All rights reserved.
 //
@@ -238,6 +239,7 @@ INSTANTIATE_TEST_SUITE_P(
         "rayQuery-committed.Error.rgen",
         "rayQuery-allOps.comp",
         "rayQuery-allOps.frag",
+        "rayQuery-initialization.Error.comp",
         "spv.set.vert",
         "spv.double.comp",
         "spv.100ops.frag",