kc3-lang/angle/src/libGLESv2/Uniform.cpp

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• Hash : 15186aa7
  Author :
  Date : 2012-12-20T21:08:23
  

  Move Uniform to separate files.
  
  TRAC #22245
  Signed-off-by: Daniel Koch
  Signed-off-by: Geoff Lang
  Author: Nicolas Capens
  
  git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1595 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/Uniform.cpp

• //
  // Copyright (c) 2010-2012 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.
  //
  
  #include "libGLESv2/Uniform.h"
  
  #include "libGLESv2/utilities.h"
  
  namespace gl
  {
  
  Uniform::Uniform(GLenum type, const std::string &_name, unsigned int arraySize)
      : type(type), _name(_name), name(undecorate(_name)), arraySize(arraySize)
  {
      int bytes = gl::UniformInternalSize(type) * arraySize;
      data = new unsigned char[bytes];
      memset(data, 0, bytes);
      dirty = true;
  }
  
  Uniform::~Uniform()
  {
      delete[] data;
  }
  
  bool Uniform::isArray()
  {
      size_t dot = _name.find_last_of('.');
      if (dot == std::string::npos) dot = -1;
  
      return _name.compare(dot + 1, dot + 4, "ar_") == 0;
  }
  
  std::string Uniform::undecorate(const std::string &_name)
  {
      std::string name = _name;
      
      // Remove any structure field decoration
      size_t pos = 0;
      while ((pos = name.find("._", pos)) != std::string::npos)
      {
          name.replace(pos, 2, ".");
      }
  
      // Remove the leading decoration
      if (name[0] == '_')
      {
          return name.substr(1);
      }
      else if (name.compare(0, 3, "ar_") == 0)
      {
          return name.substr(3);
      }
      
      return name;
  }
  
  }
  

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