Certain devices give black frames when blitting to the target texture for
image preview. However, a workaround has been found that simply mapping
the buffer forces the frames to be rendered properly. As this degrades
performance on devices with hardware buffers, a blacklist is introduced
to specify which devices require this workaround.
Task-number: QTBUG-44838
Change-Id: I137a1dc4e5126e7cf9ee00cb2d7e7722bf917efa
Reviewed-by: Andrew Knight <qt@panimo.net>
Peng Wu
be0a231be4