#34: Auto detect CALayer's contentsScale change.

kakashidinho · Oct 17, 2020 · 8230df3 · 8230df3
1 parent f4b1033
commit 8230df3
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/libANGLE/renderer/metal/SurfaceMtl.mm b/src/libANGLE/renderer/metal/SurfaceMtl.mm
@@ -579,6 +579,12 @@ void StopFrameCapture()
 
 bool SurfaceMtl::checkIfLayerResized(const gl::Context *context)
 {
+    if (mMetalLayer.get() != mLayer && mMetalLayer.get().contentsScale != mLayer.contentsScale)
+    {
+        // Parent layer's content scale has changed, update Metal layer's scale factor.
+        mMetalLayer.get().contentsScale = mLayer.contentsScale;
+    }
+
     CGSize currentLayerDrawableSize = mMetalLayer.get().drawableSize;
     CGSize expectedDrawableSize     = calcExpectedDrawableSize();