[TextureMapper][GraphicsLayerTextureMapper][GraphicsLayerWC][CoordinatedGraphics] setContentsRectClipsDescendants support See also: Bug 211199 – border-radius fails to clip iframe contents Test cases: compositing/iframes/border-radius-composited-frame.html compositing/iframes/border-uneven-radius-composited-frame.html
Created attachment 460528 [details] Patch
Created attachment 460529 [details] Patch
Created attachment 460555 [details] Patch
Committed 252014@main (e0aac4ed07c5): <https://commits.webkit.org/252014@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 460555 [details].
<rdar://problem/96246289>
*** Bug 211501 has been marked as a duplicate of this bug. ***
*** Bug 218111 has been marked as a duplicate of this bug. ***