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

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• Hash : 7c46b9e6
  Author :
  Date : 2010-03-17T13:12:58
  

  mv libGLESv2 -> src/libGLESv2
  Trac #11406
  Signed-off-by: Nicolas Capens
  
  git-svn-id: https://angleproject.googlecode.com/svn/trunk@40 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/Buffer.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.
  //
  
  // Buffer.h: Defines the gl::Buffer class, representing storage of vertex and/or
  // index data. Implements GL buffer objects and related functionality.
  // [OpenGL ES 2.0.24] section 2.9 page 21.
  
  #ifndef LIBGLESV2_BUFFER_H_
  #define LIBGLESV2_BUFFER_H_
  
  #include <cstddef>
  #include <vector>
  
  #define GL_APICALL
  #include <GLES2/gl2.h>
  
  #include "angleutils.h"
  
  namespace gl
  {
  
  class BufferBackEnd;
  class TranslatedVertexBuffer;
  
  class Buffer
  {
    public:
      explicit Buffer(BufferBackEnd *backEnd);
      ~Buffer();
  
      GLenum bufferData(const void *data, GLsizeiptr size, GLenum usage);
      GLenum bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
  
      void *data() { return &mContents[0]; }
      GLsizeiptr size() const { return mContents.size(); }
  
      TranslatedVertexBuffer *identityBuffer() { return mIdentityTranslation; }
  
    private:
      DISALLOW_COPY_AND_ASSIGN(Buffer);
  
      typedef unsigned char data_t;
  
      std::vector<data_t> mContents;
  
      BufferBackEnd *mBackEnd;
      TranslatedVertexBuffer *mIdentityTranslation;
  
      GLenum copyToIdentityBuffer(GLintptr offset, GLsizeiptr length);
  };
  
  }
  
  #endif   // LIBGLESV2_BUFFER_H_
  

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