kc3-lang/angle/src/compiler/translator/util.h

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• Author : Geoff Lang
  Date : 2014-11-19 16:18:08
  Hash : 0a73dd85
  Message : Fix include guards. BUG=angle:733 Change-Id: I08b2c11c4831f1161c178c1842b10e807185aced Reviewed-on: https://chromium-review.googlesource.com/230831 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

• src/compiler/translator/util.h

• //
  // 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/Types.h"
  
  // atof_clamp is like atof 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.
  extern bool atof_clamp(const char *str, float *value);
  
  // If overflow happens, clamp the value to INT_MIN or INT_MAX.
  // Return false if overflow happens.
  extern bool atoi_clamp(const char *str, int *value);
  
  class TSymbolTable;
  
  namespace sh
  {
  
  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);
  
  class GetVariableTraverser
  {
    public:
      GetVariableTraverser(const TSymbolTable &symbolTable);
  
      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;
  
      DISALLOW_COPY_AND_ASSIGN(GetVariableTraverser);
  };
  
  }
  
  #endif // COMPILER_TRANSLATOR_UTIL_H_