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

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• Author : daniel@transgaming.com
  Date : 2010-07-28 19:21:12
  Hash : 9ecb9f9d
  Message : Sharing for buffer, texture and renderbuffer objects. TRAC #12496 Derive Renderbuffer, Texture and Buffer from RefCountObject. This class keeps a reference count for all objects that need cross-context reference counting, and also the object id. Restructure Renderbuffers to create a wrapper object and a storage object. Use BindingPointer for all binding points instead of binding by object id. Signed-off-by: Shannon Woods Signed-off-by: Daniel Koch git-svn-id: https://angleproject.googlecode.com/svn/trunk@364 736b8ea6-26fd-11df-bfd4-992fa37f6226

• 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 "common/angleutils.h"
  #include "libGLESv2/RefCountObject.h"
  
  namespace gl
  {
  
  class Buffer : public RefCountObject
  {
    public:
      explicit Buffer(GLuint id);
  
      virtual ~Buffer();
  
      void bufferData(const void *data, GLsizeiptr size, GLenum usage);
      void bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
  
      void *data() { return mContents; }
      size_t size() const { return mSize; }
      GLenum usage() const { return mUsage; }
  
    private:
      DISALLOW_COPY_AND_ASSIGN(Buffer);
  
      GLubyte *mContents;
      size_t mSize;
      GLenum mUsage;
  };
  
  }
  
  #endif   // LIBGLESV2_BUFFER_H_