webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 87 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/src/compiler/translator/VariableInfo.h b/Source/ThirdParty/ANGLE/src/compiler/translator/VariableInfo.h
new file mode 100644
index 000000000..f79035d38
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/src/compiler/translator/VariableInfo.h
@@ -0,0 +1,87 @@
+//
+// Copyright (c) 2002-2011 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_VARIABLEINFO_H_
+#define COMPILER_TRANSLATOR_VARIABLEINFO_H_
+
+#include <GLSLANG/ShaderLang.h>
+
+#include "compiler/translator/ExtensionBehavior.h"
+#include "compiler/translator/IntermNode.h"
+
+class TSymbolTable;
+
+namespace sh
+{
+
+// Traverses intermediate tree to collect all attributes, uniforms, varyings.
+class CollectVariables : public TIntermTraverser
+{
+  public:
+    CollectVariables(std::vector<Attribute> *attribs,
+                     std::vector<OutputVariable> *outputVariables,
+                     std::vector<Uniform> *uniforms,
+                     std::vector<Varying> *varyings,
+                     std::vector<InterfaceBlock> *interfaceBlocks,
+                     ShHashFunction64 hashFunction,
+                     const TSymbolTable &symbolTable,
+                     const TExtensionBehavior &extensionBehavior);
+
+    void visitSymbol(TIntermSymbol *symbol) override;
+    bool visitAggregate(Visit, TIntermAggregate *node) override;
+    bool visitBinary(Visit visit, TIntermBinary *binaryNode) override;
+
+  private:
+    template <typename VarT>
+    void visitVariable(const TIntermSymbol *variable, std::vector<VarT> *infoList) const;
+
+    template <typename VarT>
+    void visitInfoList(const TIntermSequence &sequence, std::vector<VarT> *infoList) const;
+
+    std::vector<Attribute> *mAttribs;
+    std::vector<OutputVariable> *mOutputVariables;
+    std::vector<Uniform> *mUniforms;
+    std::vector<Varying> *mVaryings;
+    std::vector<InterfaceBlock> *mInterfaceBlocks;
+
+    std::map<std::string, InterfaceBlockField *> mInterfaceBlockFields;
+
+    bool mDepthRangeAdded;
+    bool mPointCoordAdded;
+    bool mFrontFacingAdded;
+    bool mFragCoordAdded;
+
+    bool mInstanceIDAdded;
+    bool mVertexIDAdded;
+    bool mPositionAdded;
+    bool mPointSizeAdded;
+    bool mLastFragDataAdded;
+    bool mFragColorAdded;
+    bool mFragDataAdded;
+    bool mFragDepthEXTAdded;
+    bool mFragDepthAdded;
+    bool mSecondaryFragColorEXTAdded;
+    bool mSecondaryFragDataEXTAdded;
+
+    ShHashFunction64 mHashFunction;
+
+    const TSymbolTable &mSymbolTable;
+    const TExtensionBehavior &mExtensionBehavior;
+};
+
+void ExpandVariable(const ShaderVariable &variable,
+                    const std::string &name,
+                    const std::string &mappedName,
+                    bool markStaticUse,
+                    std::vector<ShaderVariable> *expanded);
+
+// Expand struct uniforms to flattened lists of split variables
+void ExpandUniforms(const std::vector<Uniform> &compact,
+                    std::vector<ShaderVariable> *expanded);
+
+}
+
+#endif  // COMPILER_TRANSLATOR_VARIABLEINFO_H_