method getRenderFrameBuffer

Source

RenderFrameBuffer getRenderFrameBuffer(int width, int height) {
  if (_renderFrameBufferPool.length == 0) {
    return new RenderFrameBuffer.rawWebGL(width, height);
  } else {
    var renderFrameBuffer = _renderFrameBufferPool.removeLast();
    var renderTexture = renderFrameBuffer.renderTexture;
    var renderStencilBuffer = renderFrameBuffer.renderStencilBuffer;
    if (renderTexture.width != width || renderTexture.height != height) {
      releaseRenderTexture(renderTexture);
      renderTexture.resize(width, height);
      renderStencilBuffer.resize(width, height);
    }
    return renderFrameBuffer;
  }
}