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

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  • Author : shannon.woods@transgaming.com
    Date : 2013-02-28 23:11:19
    Hash : d2811d68
    Message : Break some of the include chains that cause unneeded dependencies between headers. TRAC #22499 Signed-off-by: Geoff Lang Signed-off-by: Nicolas Capens Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1904 736b8ea6-26fd-11df-bfd4-992fa37f6226

  • src/libGLESv2/Buffer.h
  • //
    // Copyright (c) 2002-2013 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 "common/RefCountObject.h"
    
    namespace rx
    {
    class Renderer;
    class BufferStorage;
    class StaticIndexBufferInterface;
    class StaticVertexBufferInterface;
    };
    
    namespace gl
    {
    
    class Buffer : public RefCountObject
    {
      public:
        Buffer(rx::Renderer *renderer, GLuint id);
    
        virtual ~Buffer();
    
        void bufferData(const void *data, GLsizeiptr size, GLenum usage);
        void bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
    
        GLenum usage() const;
    
        rx::BufferStorage *getStorage() const;
        unsigned int size();
    
        rx::StaticVertexBufferInterface *getStaticVertexBuffer();
        rx::StaticIndexBufferInterface *getStaticIndexBuffer();
        void invalidateStaticData();
        void promoteStaticUsage(int dataSize);
    
      private:
        DISALLOW_COPY_AND_ASSIGN(Buffer);
    
        rx::Renderer *mRenderer;
        GLenum mUsage;
    
        rx::BufferStorage *mBufferStorage;
    
        rx::StaticVertexBufferInterface *mStaticVertexBuffer;
        rx::StaticIndexBufferInterface *mStaticIndexBuffer;
        unsigned int mUnmodifiedDataUse;
    };
    
    }
    
    #endif   // LIBGLESV2_BUFFER_H_