Add a new connect/disconnect API to android_native_window_t (e156e647) · Commits · e / os / android_frameworks_native-old

include/ui/egl/android_natives.h

+37 −1

Original line number	Diff line number	Diff line
		@@ -69,7 +69,14 @@ enum {

		/* valid operations for the (perform)() hook /
		enum {
		NATIVE_WINDOW_SET_USAGE = 0
		NATIVE_WINDOW_SET_USAGE = 0,
		NATIVE_WINDOW_CONNECT = 1,
		NATIVE_WINDOW_DISCONNECT = 2
		};

		/* parameter for NATIVE_WINDOW_[DIS]CONNECT */
		enum {
		NATIVE_WINDOW_API_EGL = 1
		};

		typedef struct android_native_window_t
		@@ -157,8 +164,13 @@ typedef struct android_native_window_t
		* This hook should not be called directly, instead use the helper functions
		* defined below.
		*
		* (*perform)() returns -ENOENT if the 'what' parameter is not supported
		* by the surface's implementation.
		*
		* The valid operations are:
		* NATIVE_WINDOW_SET_USAGE
		* NATIVE_WINDOW_CONNECT
		* NATIVE_WINDOW_DISCONNECT
		*
		*/

		@@ -185,6 +197,30 @@ static inline int native_window_set_usage(
		return window->perform(window, NATIVE_WINDOW_SET_USAGE, usage);
		}

		/*
		* native_window_connect(..., NATIVE_WINDOW_API_EGL) must be called
		* by EGL when the window is made current.
		* Returns -EINVAL if for some reason the window cannot be connected, which
		* can happen if it's connected to some other API.
		*/
		static inline int native_window_connect(
		android_native_window_t* window, int api)
		{
		return window->perform(window, NATIVE_WINDOW_CONNECT, api);
		}

		/*
		* native_window_disconnect(..., NATIVE_WINDOW_API_EGL) must be called
		* by EGL when the window is made not current.
		* An error is returned if for instance the window wasn't connected in the
		* first place.
		*/
		static inline int native_window_disconnect(
		android_native_window_t* window, int api)
		{
		return window->perform(window, NATIVE_WINDOW_DISCONNECT, api);
		}


		// ---------------------------------------------------------------------------