The pixel format was hardcoded to PIXMAN_a8r8g8b8. All other renderer->read_pixels() calls in weston use dynamic format selection via the compositor->read_format instead. The problem was spotted on the ARM devices with Mali-400 GPU. The visual effect of the problem was black screen on the remote display, when using screen-share with the VNC or RDP backends. Related wayland-devel thread: https://lists.freedesktop.org/archives/wayland-devel/2020-September/041624.html Signed-off-by: Maciej Pijanowski <maciej.pijanowski@3mdeb.com>dev
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