am f0c2f4b5: am 21386b0e: am 41b61c82: Implement workaround for GL driver which is slow to render the first frame with new state.  This change will render a transparent frame when receiving new state to warm the driver.

Merge commit 'f0c2f4b51527f0661ebc288c58e0cfc352dd7271'

* commit 'f0c2f4b51527f0661ebc288c58e0cfc352dd7271':
  Implement workaround for GL driver which is slow to render the first frame with new state.  This change will render a transparent frame when receiving new state to warm the driver.