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app: [macOS] synchronize rendering with Core Animation for smooth resizes

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Magic incantations lifted from

https://thume.ca/2019/06/19/glitchless-metal-window-resizing/

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2023-12-19 17:24:56 -06:00
parent 93ac0b03f1
commit 2a18a0c135
3 changed files with 11 additions and 3 deletions
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app/metal_darwin.go
+2 -1
View File
@@ -60,8 +60,9 @@ static void presentDrawable(CFTypeRef queueRef, CFTypeRef drawableRef) {
id<MTLDrawable> drawable = (__bridge id<MTLDrawable>)drawableRef;
id<MTLCommandQueue> queue = (__bridge id<MTLCommandQueue>)queueRef;
id<MTLCommandBuffer> cmdBuffer = [queue commandBuffer];
[cmdBuffer presentDrawable:drawable];
[cmdBuffer commit];
[cmdBuffer waitUntilScheduled];
[drawable present];
}
}
app/metal_ios.go
+4 -1
View File
@@ -21,7 +21,10 @@ Class gio_layerClass(void) {
static CFTypeRef getMetalLayer(CFTypeRef viewRef) {
@autoreleasepool {
UIView *view = (__bridge UIView *)viewRef;
return CFBridgingRetain(view.layer);
CAMetalLayer *l = (CAMetalLayer *)view.layer;
l.needsDisplayOnBoundsChange = YES;
l.presentsWithTransaction = YES;
return CFBridgingRetain(l);
}
}
app/metal_macos.go
+5 -1
View File
@@ -14,7 +14,11 @@ package app
CALayer *gio_layerFactory(void) {
@autoreleasepool {
return [CAMetalLayer layer];
CAMetalLayer *l = [CAMetalLayer layer];
l.autoresizingMask = kCALayerHeightSizable|kCALayerWidthSizable;
l.needsDisplayOnBoundsChange = YES;
l.presentsWithTransaction = YES;
return l;
}
}