Merge "Update vsync client c api" (4c5441be) · Commits · e / os / platform_frameworks_native

libs/vr/libdisplay/include/private/dvr/vsync_client_api.h

+8 −16

Original line number	Diff line number	Diff line
		@@ -20,22 +20,14 @@ dvr_vsync_client* dvr_vsync_client_create();
		// Destroys the vsync client.
		void dvr_vsync_client_destroy(dvr_vsync_client* client);

		// Blocks until the next vsync signal.
		// The timestamp (in ns) is written into \|*timestamp_ns\| when it is non-NULL.
		// Returns 0 upon success, or -errno.
		int dvr_vsync_client_wait(dvr_vsync_client* client, int64_t* timestamp_ns);

		// Returns the file descriptor used to communicate with the vsync service.
		int dvr_vsync_client_get_fd(dvr_vsync_client* client);

		// Clears the select/poll/epoll event so that subsequent calls to these
		// will not signal until the next vsync.
		int dvr_vsync_client_acknowledge(dvr_vsync_client* client);

		// Gets the timestamp of the last vsync signal in ns. This call has the
		// same side effects on events as acknowledge.
		int dvr_vsync_client_get_last_timestamp(dvr_vsync_client* client,
		int64_t* timestamp_ns);
		// Get the estimated timestamp of the next GPU lens warp preemption event in
		// ns. Also returns the corresponding vsync count that the next lens warp
		// operation will target. This call has the same side effect on events as
		// Acknowledge, which saves an IPC message.
		int dvr_vsync_client_get_sched_info(dvr_vsync_client* client,
		int64_t* vsync_period_ns,
		int64_t* next_timestamp_ns,
		uint32_t* next_vsync_count);

		#ifdef __cplusplus
		} // extern "C"

+6 −16

Original line number	Diff line number	Diff line
		@@ -13,22 +13,12 @@ void dvr_vsync_client_destroy(dvr_vsync_client* client) {
		delete static_cast<android::dvr::VSyncClient*>(client);
		}

		int dvr_vsync_client_wait(dvr_vsync_client* client, int64_t* timestamp_ns) {
		return static_cast<android::dvr::VSyncClient*>(client)->Wait(timestamp_ns);
		}

		int dvr_vsync_client_get_fd(dvr_vsync_client* client) {
		return static_cast<android::dvr::VSyncClient*>(client)->GetFd();
		}

		int dvr_vsync_client_acknowledge(dvr_vsync_client* client) {
		return static_cast<android::dvr::VSyncClient*>(client)->Acknowledge();
		}

		int dvr_vsync_client_get_last_timestamp(dvr_vsync_client* client,
		int64_t* timestamp_ns) {
		return static_cast<android::dvr::VSyncClient*>(client)->GetLastTimestamp(
		timestamp_ns);
		int dvr_vsync_client_get_sched_info(dvr_vsync_client* client,
		int64_t* vsync_period_ns,
		int64_t* next_timestamp_ns,
		uint32_t* next_vsync_count) {
		return static_cast<android::dvr::VSyncClient*>(client)->GetSchedInfo(
		vsync_period_ns, next_timestamp_ns, next_vsync_count);
		}

		} // extern "C"