1 files changed, 73 insertions, 0 deletions
diff --git a/gfx/angle/src/compiler/translator/util.h b/gfx/angle/src/compiler/translator/util.h
new file mode 100755
index 000000000..bfad5fb4c
--- /dev/null
+++ b/gfx/angle/src/compiler/translator/util.h
@@ -0,0 +1,73 @@
+//
+// Copyright (c) 2002-2010 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_UTIL_H_
+#define COMPILER_TRANSLATOR_UTIL_H_
+
+#include <stack>
+
+#include "angle_gl.h"
+#include <GLSLANG/ShaderLang.h>
+
+#include "compiler/translator/Operator.h"
+#include "compiler/translator/Types.h"
+
+// strtof_clamp is like strtof but
+//   1. it forces C locale, i.e. forcing '.' as decimal point.
+//   2. it clamps the value to -FLT_MAX or FLT_MAX if overflow happens.
+// Return false if overflow happens.
+bool strtof_clamp(const std::string &str, float *value);
+
+// If overflow happens, clamp the value to UINT_MIN or UINT_MAX.
+// Return false if overflow happens.
+bool atoi_clamp(const char *str, unsigned int *value);
+
+namespace sh
+{
+class TSymbolTable;
+
+GLenum GLVariableType(const TType &type);
+GLenum GLVariablePrecision(const TType &type);
+bool IsVaryingIn(TQualifier qualifier);
+bool IsVaryingOut(TQualifier qualifier);
+bool IsVarying(TQualifier qualifier);
+InterpolationType GetInterpolationType(TQualifier qualifier);
+TString ArrayString(const TType &type);
+
+TType GetShaderVariableBasicType(const sh::ShaderVariable &var);
+
+TOperator TypeToConstructorOperator(const TType &type);
+
+class GetVariableTraverser : angle::NonCopyable
+{
+  public:
+    GetVariableTraverser(const TSymbolTable &symbolTable);
+    virtual ~GetVariableTraverser() {}
+
+    template <typename VarT>
+    void traverse(const TType &type, const TString &name, std::vector<VarT> *output);
+
+  protected:
+    // May be overloaded
+    virtual void visitVariable(ShaderVariable *newVar) {}
+
+  private:
+    // Helper function called by traverse() to fill specific fields
+    // for attributes/varyings/uniforms.
+    template <typename VarT>
+    void setTypeSpecificInfo(
+        const TType &type, const TString &name, VarT *variable) {}
+
+    const TSymbolTable &mSymbolTable;
+};
+
+bool IsBuiltinOutputVariable(TQualifier qualifier);
+bool IsBuiltinFragmentInputVariable(TQualifier qualifier);
+bool CanBeInvariantESSL1(TQualifier qualifier);
+bool CanBeInvariantESSL3OrGreater(TQualifier qualifier);
+}  // namespace sh
+
+#endif // COMPILER_TRANSLATOR_UTIL_H_