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我使用三重缓冲并且不连续生成帧。但是当我这样做时,它们需要精确计时。为了确保在特定时间显示特定帧,我需要知道有多少(两个)缓冲区正在等待在交换链 ( IDirect3DSwapChain9) 中显示,因为它会延迟我接下来绘制的帧。如果交换链为空或已满,是否有可能获得,因此会在下一次通话时阻止我?
IDirect3DSwapChain9