Chao Guo authored Jun 02, 2023 and Marius Vlad committed Jul 11, 2024

When users need to place view on underlay HW plane, they need to set
the output format to alpha format.

This will cause gl-renderer to output a transparent image, allowing
through holes to work.

Signed-off-by: Chao Guo <chao.guo@nxp.com>