diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qnsview_drawing.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qnsview_drawing.mm | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview_drawing.mm b/src/plugins/platforms/cocoa/qnsview_drawing.mm index d2e6f848a0..de93e03685 100644 --- a/src/plugins/platforms/cocoa/qnsview_drawing.mm +++ b/src/plugins/platforms/cocoa/qnsview_drawing.mm @@ -211,17 +211,21 @@ - (void)viewDidChangeBackingProperties { - CALayer *layer = self.layer; - if (!layer) - return; + qCDebug(lcQpaDrawing) << "Backing properties changed for" << self; - layer.contentsScale = self.window.backingScaleFactor; + if (CALayer *layer = self.layer) { + layer.contentsScale = self.window.backingScaleFactor; - // Metal layers must be manually updated on e.g. screen change - if ([layer isKindOfClass:CAMetalLayer.class]) { - [self updateMetalLayerDrawableSize:static_cast<CAMetalLayer* >(layer)]; - [self setNeedsDisplay:YES]; + // Metal layers must be manually updated on e.g. screen change + if ([layer isKindOfClass:CAMetalLayer.class]) + [self updateMetalLayerDrawableSize:static_cast<CAMetalLayer* >(layer)]; } + + // Ideally we would plumb this situation through QPA in a way that lets + // clients invalidate their own caches, recreate QBackingStore, etc. + // For now we trigger an expose, and let QCocoaBackingStore deal with + // buffer invalidation internally. + [self setNeedsDisplay:YES]; } @end |