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| author | Morten Sørvig <morten.sorvig@qt.io> | 2022-06-03 11:22:50 +0200 |
|---|---|---|
| committer | Morten Sørvig <morten.sorvig@qt.io> | 2022-06-14 21:16:35 +0200 |
| commit | d38118c80828eecb3c0192404249c1fad5660792 (patch) | |
| tree | ccc37dd1332a060a18a77851b90ee53b91d2a7d1 /src/gui/painting/qplatformbackingstore.h | |
| parent | 373392eeb4199654e954f70ce919850f090d59bd (diff) | |
Make rhiFlush() support custom source DPR
The rhiFlush() implementation currently assumes that
QWindow->devicePixelRatio() is the correct scale factor for
transforming device independent window geometry to source geometry.
However, this assumption does not hold if/when we add support
for drawing to a rounded-up DPR, with a downscale later in
the rhiFlush implementation.
Fix this by adding a sourceDevicePixelRatio argument to rhiFlush(),
which is set to either QWindow::devicePixelRatio() or
QWidget::devicePixelRatio(), depending on from where it is used.
Change deviceRect() and friends in qbackingstoredefualtcompositor.cpp
to be scale*() functions instead which take a scale factor instead
of a QWindow. Update call sites to use srouceDevicePixelRatio
where that makes sense.
Pick-to: 6.4
Change-Id: Idb7b1e2f36816a201e00f0defe100d2dc079cb17
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
Diffstat (limited to 'src/gui/painting/qplatformbackingstore.h')
| -rw-r--r-- | src/gui/painting/qplatformbackingstore.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gui/painting/qplatformbackingstore.h b/src/gui/painting/qplatformbackingstore.h index bfb40fe5e0..a1bae50555 100644 --- a/src/gui/painting/qplatformbackingstore.h +++ b/src/gui/painting/qplatformbackingstore.h @@ -154,6 +154,7 @@ public: virtual void flush(QWindow *window, const QRegion ®ion, const QPoint &offset); virtual FlushResult rhiFlush(QWindow *window, + qreal sourceDevicePixelRatio, const QRegion ®ion, const QPoint &offset, QPlatformTextureList *textures, |