gbm: Add gbm_bo_get_plane_fd()
For multi-plane BOs, add a function to retrieve the FD for a given plane.
Signed-off-by: Tomeu Vizoso tomeu.vizoso@collabora.com
For multi-plane BOs, add a function to retrieve the FD for a given plane.
Signed-off-by: Tomeu Vizoso tomeu.vizoso@collabora.com