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Fix Metal layer detection in Qt 6.10 and newer #270

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Merged
SaschaWillems merged 1 commit into from
Mar 30, 2026
Merged

Fix Metal layer detection in Qt 6.10 and newer #270

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17 changes: 11 additions & 6 deletions appleutils.mm
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Original file line number Diff line number Diff line change
Expand Up @@ -38,16 +38,21 @@
#if TARGET_OS_IPHONE
UIView* view = (__bridge UIView*)handle;
assert([view isKindOfClass:[UIView class]]);

void *pLayer =(__bridge void*)view.layer;
return pLayer;
#else
NSView* view = (__bridge NSView*)handle;
assert([view isKindOfClass:[NSView class]]);

void *pLayer = (__bridge void *)view.layer;
return pLayer;
#endif

CALayer* layer = view.layer;
if (![layer isKindOfClass:[CAMetalLayer class]] && [layer respondsToSelector:@selector(contentLayer)]) {
// In Qt 6.10+, the window has an intermediate QContainerLayer in which
// the actual CAMetalLayer is nested.
// https://github.com/qt/qtbase/commit/0bdbf4688e4265a1ddf42efbe4c780770809d365
layer = [layer contentLayer];
}
assert([layer isKindOfClass:[CAMetalLayer class]]);

return (__bridge void*)layer;
}

#endif
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