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Fix QXcbScreen::format() when rgb-swap is needed

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QXcbScreen::format() was producing console warning and returning invalid
format if rgb-swap was necessary. Let it match possibly reversed formats
since the backing-store will swizzle it anyway.

Change-Id: I6a53cb8ceda029e9d708d25ad635832f1163ffe7
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
This commit is contained in:
Allan Sandfeld Jensen 2018-02-27 09:42:49 +01:00
parent daa39f8499
commit 635b5115c4
1 changed files with 3 additions and 1 deletions
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4
src/plugins/platforms/xcb/qxcbscreen.cpp
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@ -583,7 +583,9 @@ QRect QXcbScreen::availableGeometry() const
QImage::Format QXcbScreen::format() const
{
QImage::Format format;
qt_xcb_imageFormatForVisual(connection(), screen()->root_depth, visualForId(screen()->root_visual), &format);
bool needsRgbSwap;
qt_xcb_imageFormatForVisual(connection(), screen()->root_depth, visualForId(screen()->root_visual), &format, &needsRgbSwap);
// We are ignoring needsRgbSwap here and just assumes the backing-store will handle it.
return format;
}