diff options
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/platforms/cocoa/qnsview_drawing.mm | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview_drawing.mm b/src/plugins/platforms/cocoa/qnsview_drawing.mm index bbf7d30157..ce5488ead0 100644 --- a/src/plugins/platforms/cocoa/qnsview_drawing.mm +++ b/src/plugins/platforms/cocoa/qnsview_drawing.mm @@ -175,6 +175,14 @@ // the scale is up to date. if (self.superview) [self updateLayerContentsScale]; + + if (self.opaque && lcQpaDrawing().isDebugEnabled()) { + // If the view claims to be opaque we expect it to fill the entire + // layer with content, in which case we want to detect any areas + // where it doesn't. + layer.backgroundColor = NSColor.magentaColor.CGColor; + } + } // ----------------------- Layer updates ----------------------- @@ -186,14 +194,14 @@ return NSViewLayerContentsRedrawDuringViewResize; } -#if 0 // Disabled until we enable lazy backingstore resizing - (NSViewLayerContentsPlacement)layerContentsPlacement { - // Always place the layer at top left without any automatic scaling, - // so that we can re-use larger layers when resizing a window down. + // Always place the layer at top left without any automatic scaling. + // This will highlight situations where we're missing content for the + // layer by not responding to the displayLayer: request synchronously. + // It also allows us to re-use larger layers when resizing a window down. return NSViewLayerContentsPlacementTopLeft; } -#endif - (void)viewDidChangeBackingProperties { |