webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 43 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/src/compiler/translator/FlagStd140Structs.h b/Source/ThirdParty/ANGLE/src/compiler/translator/FlagStd140Structs.h
new file mode 100644
index 000000000..cfcd775af
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/src/compiler/translator/FlagStd140Structs.h
@@ -0,0 +1,43 @@
+//
+// Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_TRANSLATOR_FLAGSTD140STRUCTS_H_
+#define COMPILER_TRANSLATOR_FLAGSTD140STRUCTS_H_
+
+#include "compiler/translator/IntermNode.h"
+
+namespace sh
+{
+
+// This class finds references to nested structs of std140 blocks that access
+// the nested struct "by value", where the padding added in the translator
+// conflicts with the "natural" unpadded type.
+class FlagStd140Structs : public TIntermTraverser
+{
+  public:
+
+    FlagStd140Structs()
+        : TIntermTraverser(true, false, false)
+    {
+    }
+
+    const std::vector<TIntermTyped *> getFlaggedNodes() const { return mFlaggedNodes; }
+
+  protected:
+    bool visitBinary(Visit visit, TIntermBinary *binaryNode) override;
+    void visitSymbol(TIntermSymbol *symbol) override;
+
+  private:
+    bool isInStd140InterfaceBlock(TIntermTyped *node) const;
+
+    std::vector<TIntermTyped *> mFlaggedNodes;
+};
+
+std::vector<TIntermTyped *> FlagStd140ValueStructs(TIntermNode *node);
+
+}
+
+#endif // COMPILER_TRANSLATOR_FLAGSTD140STRUCTS_H_