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

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• Hash : 8fab320c
  Author :
  Date : 2017-05-08T18:22:22
  

  Share a single TOperator enum among all constructor AST nodes
  
  The code is a lot simpler when the type information is only carried
  in the TType of the node, instead of being partially duplicated in the
  enum value.
  
  BUG=angleproject:1490
  TEST=angle_unittests
  
  Change-Id: I956376225ec01e469c7afb7378fa48cc097c0cea
  Reviewed-on: https://chromium-review.googlesource.com/498768
  Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• 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/Operator.h"
  #include "compiler/translator/Types.h"
  
  // 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;
  
  float NumericLexFloat32OutOfRangeToInfinity(const std::string &str);
  
  // strtof_clamp is like strtof but
  //   1. it forces C locale, i.e. forcing '.' as decimal point.
  //   2. it sets the value to infinity if overflow happens.
  //   3. str should be guaranteed to be in the valid format for a floating point number as defined
  //      by the grammar in the ESSL 3.00.6 spec section 4.1.4.
  // Return false if overflow happens.
  bool strtof_clamp(const std::string &str, float *value);
  
  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);
  
  bool IsBuiltinOutputVariable(TQualifier qualifier);
  bool IsBuiltinFragmentInputVariable(TQualifier qualifier);
  bool CanBeInvariantESSL1(TQualifier qualifier);
  bool CanBeInvariantESSL3OrGreater(TQualifier qualifier);
  }  // namespace sh
  
  #endif  // COMPILER_TRANSLATOR_UTIL_H_
  

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