India/cocos2d-x/cocos/2d/CCGLBufferedNode.h

/****************************************************************************
Copyright (c) 2013      Zynga Inc.
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 
http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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****************************************************************************/
#ifndef __CC_GL_BUFFERED_NODE__
#define __CC_GL_BUFFERED_NODE__

#include "platform/CCGL.h"

/**
* @js NA
*/
class GLBufferedNode
{
public:
    /**
     * @js ctor
     */
    GLBufferedNode();
    /**
     * @js NA
     * @lua NA
     */
    virtual ~GLBufferedNode();

    /**@{
     * Load the given data into this Node's GL Buffer. Needed for WebGL, as it does not support client-side arrays.
     */
    void setGLBufferData(void *buf, GLuint bufSize, int slot);
    void setGLIndexData(void *buf, GLuint bufSize, int slot);
    /**@}*/
    /** Allocate 4 buffer objs per node, and index into them as slots.*/
    #define BUFFER_SLOTS 4
    /**Handle for vertex buffers.*/
    GLuint _bufferObject[BUFFER_SLOTS];
    /**Size in bytes for vertex buffers.*/
    GLuint _bufferSize[BUFFER_SLOTS];
    /**Handle for index buffers.*/
    GLuint _indexBufferObject[BUFFER_SLOTS];
    /**Size in bytes for index buffers.*/
    GLuint _indexBufferSize[BUFFER_SLOTS];
};
#endif // __CC_GL_BUFFERED_NODE__