diff options
Diffstat (limited to 'src/plugins/platforms/ios')
| -rw-r--r-- | src/plugins/platforms/ios/qiosbackingstore.mm | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/plugins/platforms/ios/qiosbackingstore.mm b/src/plugins/platforms/ios/qiosbackingstore.mm index dfa41f0003..6bae08ce2b 100644 --- a/src/plugins/platforms/ios/qiosbackingstore.mm +++ b/src/plugins/platforms/ios/qiosbackingstore.mm @@ -69,12 +69,14 @@ void QIOSBackingStore::beginPaint(const QRegion &) window()->setSurfaceType(QSurface::OpenGLSurface); m_context->makeCurrent(window()); + + static_cast<QOpenGLPaintDevice *>(paintDevice())->setSize(window()->size()); } QPaintDevice *QIOSBackingStore::paintDevice() { if (!m_device) - m_device = new QOpenGLPaintDevice(window()->size()); + m_device = new QOpenGLPaintDevice; return m_device; } @@ -95,12 +97,16 @@ void QIOSBackingStore::endPaint() void QIOSBackingStore::resize(const QSize &size, const QRegion &staticContents) { - Q_UNUSED(size); Q_UNUSED(staticContents); - // We don't need to resize the QOpenGLPaintDevice, as it's just a thin wrapper - // around the OpenGL paint-engine, and the real geometry is handled by the - // context and window. + // Resizing the backing store would in our case mean resizing the QWindow, + // as we cheat and use an QOpenGLPaintDevice that we target at the window. + // That's probably not what the user intended, so we ignore resizes of the + // backing store and always keep the paint device's size in sync with the + // window size in beginPaint(). + + if (size != window()->size()) + qWarning() << "QIOSBackingStore needs to have the same size as its window"; } QT_END_NAMESPACE |