blob: aa70de16457692869b6db89576892cb709c928b4 [file] [log] [blame]
* A system app will implement and register this callback with VRComposer
* to receive the layers SurfaceFlinger presented when in VR mode.
* @hide */
interface IVrComposerCallback {
* Called by the VR HWC service when a new frame is ready to be presented.
* @param frame The new frame VR HWC wants to present.
* @return A fence FD used to signal when the previous frame is no longer
* used by the client. This may be an invalid fence (-1) if the client is not
* using the previous frame, in which case the previous frame may be re-used
* at any point in time.
ParcelableUniqueFd onNewFrame(in ParcelableComposerFrame frame);