zan1456/flutter
1
0
Fork 0
forked from firka/flutter
Code Pull Requests Activity

Update metal layer drawable size on relayout. (flutter/engine#11224)

Browse Source 
This makes it so that the texture obtained by the next frame has the same dimensions as the frame being renderered.

Fixes https://github.com/flutter/flutter/issues/38754
This commit is contained in:
Chinmay Garde
2019-08-19 13:01:11 -07:00
committed by GitHub
parent 266df3b39b
commit ea84fb80da
1 changed files with 9 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
engine/src/flutter/shell/platform/darwin/ios/framework/Source/FlutterView.mm
View File

@@ -66,9 +66,15 @@ id<FlutterViewEngineDelegate> _delegate;
#if FLUTTER_SHELL_ENABLE_METAL
if ([self.layer isKindOfClass:[CAMetalLayer class]]) {
CGFloat screenScale = [UIScreen mainScreen].scale;
self.layer.contentsScale = screenScale;
self.layer.rasterizationScale = screenScale;
const CGFloat screenScale = [UIScreen mainScreen].scale;
auto metal_layer = reinterpret_cast<CAMetalLayer*>(self.layer);
metal_layer.contentsScale = screenScale;
metal_layer.rasterizationScale = screenScale;
const auto layer_size = self.bounds.size;
metal_layer.drawableSize =
CGSizeMake(layer_size.width * screenScale, layer_size.height * screenScale);
}
#endif // FLUTTER_SHELL_ENABLE_METAL