https://bugs.kde.org/show_bug.cgi?id=368847
Martin Gräßlin <mgraess...@kde.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|NOR |HI
Component|general |scene-opengl
--- Comment #3 from Martin Gräßlin <mgraess...@kde.org> ---
Relevant code section:
m_hardwareClipping = region != infiniteRegion() && (mask &
PAINT_WINDOW_TRANSFORMED) && !(mask & PAINT_SCREEN_TRANSFORMED);
if (region != infiniteRegion() && !m_hardwareClipping) {
WindowQuadList quads;
quads.reserve(data.quads.count());
const QRegion filterRegion = region.translated(-x(), -y());
// split all quads in bounding rect with the actual rects in the region
foreach (const WindowQuad &quad, data.quads) {
foreach (const QRect &r, filterRegion.rects()) {
const QRectF rf(r);
const QRectF quadRect(QPointF(quad.left(), quad.top()),
QPointF(quad.right(), quad.bottom()));
const QRectF &intersected = rf.intersected(quadRect);
if (intersected.isValid()) {
if (quadRect == intersected) {
// case 1: completely contains, include and do not
check other rects
quads << quad;
break;
}
// case 2: intersection
quads << quad.makeSubQuad(intersected.left(),
intersected.top(), intersected.right(), intersected.bottom());
}
}
}
data.quads = quads;
}
The crash happens in the "case 2: intersection". The complete if-section should
not have been taken.
We need to figure out why the system went into that branch and either fix that
or remove the qFatal.
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