hasGpuFallenBehind
Whether the GPU has fallen behind; if so, the state setupFrame advanced is rolled back and the frame should be skipped with Renderer.skipFrame, without applyPresentationTime or Renderer.beginFrame.
Whether the GPU has fallen behind; if so, the state setupFrame advanced is rolled back and the frame should be skipped with Renderer.skipFrame, without applyPresentationTime or Renderer.beginFrame.