Consider GL_EXT_scalar_block_layout when validating SPIR-V

If GL_EXT_scalar_block_layout is requested by the shader, set the
option to allow scalar blocks in the SPIR-V validator.

Fix the existing tests using scalar layout to not expect "Validation
failed".

Fixes #2400.

1 files changed, 8 insertions, 0 deletions

diff --git a/glslang/MachineIndependent/localintermediate.h b/glslang/MachineIndependent/localintermediate.h
index f8d8e801..d581959d 100644
--- a/glslang/MachineIndependent/localintermediate.h
+++ b/glslang/MachineIndependent/localintermediate.h
@@ -858,6 +858,14 @@ public:
     bool usingHlslIoMapping() { return false; }
 #endif
 
+    bool usingScalarBlockLayout() const {
+        for (auto extIt = requestedExtensions.begin(); extIt != requestedExtensions.end(); ++extIt) {
+            if (*extIt == E_GL_EXT_scalar_block_layout)
+                return true;
+        }
+        return false;
+    };
+
     void addToCallGraph(TInfoSink&, const TString& caller, const TString& callee);
     void merge(TInfoSink&, TIntermediate&);
     void finalCheck(TInfoSink&, bool keepUncalled);