Peter Varga 98fdf50c30 Set alphaBufferSize to -1 when disabling translucency in QtWidgets
-1 is the default value for QSurfaceFormat::alphaBufferSize. Changing it
to 0 may result an unexpected pixel format change by ARB OpenGL
extension.

Fixes: QTBUG-107629
Change-Id: Ia6a1b90fba6c43b6872b406f4fd946d937135cf8
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
(cherry picked from commit 600752aa972d1e46792e18f1ec6dd0b519722e65)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
2022-10-21 17:11:59 +00:00
..
2022-05-16 16:37:38 +02:00
2018-11-01 11:48:46 +00:00