局限

硬件局限

General hardware limitations apply when using the GPU compositor. See also Troubleshooting Graphics Hardware.

Blender uses the same GPU resources for the UI as well as for the GPU compositor. This have a number of consequences, each of which is described in one of the following sections.

UI 冻结

与使用 Cycles 进行渲染不同的是，对于某些速度较慢的 GPU，在使用 GPU 合成器时用户界面可能会变得反应迟钝。

TDR on Windows

Timeout Detection Recovery (TDR) resets the GPU driver if a GPU compositing task takes longer than the default 2 second limit. This is especially common with older GPUs when using expensive nodes like Bokeh Blur node. To prevent unexpected resets, it is recommended to increase the TDR timeout.