WL_SHELL_SURFACE_FULLSCREEN_METHOD_FILL

WL SHELL SURFACE FULLSCREEN METHOD DEFAULT

no preference, apply default policy

WL SHELL SURFACE FULLSCREEN METHOD SCALE

scale, preserve the surface's aspect ratio and center on output

WL SHELL SURFACE FULLSCREEN METHOD DRIVER

switch output mode to the smallest mode that can fit the surface, add black borders to compensate size mismatch

WL SHELL SURFACE FULLSCREEN METHOD FILL

no upscaling, center on output and add black borders to compensate size mismatch