function BufferRegistry(context) {
    this.gl = context;

    this.registry = {};
    this._dynamicBuffers = [];
    this._staticBuffers = [];

    this._arrayBufferMax = 30000;
    this._elementBufferMax = 30000;
}
BufferRegistry is a class that manages allocation of buffers to
input geometries.

@class BufferRegistry
@constructor

@param {WebGLContext} context WebGL drawing context to be passed to buffers.

@return {undefined} undefined