kc3-lang/angle/src/libGLESv2/HandleAllocator.h

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• Author : benvanik@google.com
  Date : 2011-04-28 19:44:39
  Hash : 1a23334f
  Message : Unifying resource handle allocation code with an allocator optimized for O(1) allocs/releases. Issue=143 Signed-off-by: Daniel Koch git-svn-id: https://angleproject.googlecode.com/svn/trunk@623 736b8ea6-26fd-11df-bfd4-992fa37f6226

• src/libGLESv2/HandleAllocator.h

• //
  // 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.
  //
  
  // HandleAllocator.h: Defines the gl::HandleAllocator class, which is used to
  // allocate GL handles.
  
  #ifndef LIBGLESV2_HANDLEALLOCATOR_H_
  #define LIBGLESV2_HANDLEALLOCATOR_H_
  
  #define GL_APICALL
  #include <GLES2/gl2.h>
  
  #include <vector>
  
  #include "common/angleutils.h"
  
  namespace gl
  {
  
  class HandleAllocator
  {
    public:
      HandleAllocator();
      virtual ~HandleAllocator();
  
      void setBaseHandle(GLuint value);
  
      GLuint allocate();
      void release(GLuint handle);
  
    private:
      DISALLOW_COPY_AND_ASSIGN(HandleAllocator);
  
      GLuint mBaseValue;
      GLuint mNextValue;
      typedef std::vector<GLuint> HandleList;
      HandleList mFreeValues;
  };
  
  }
  
  #endif   // LIBGLESV2_HANDLEALLOCATOR_H_