Bug 187268
| Summary: | [GTK] Layout test compositing/backing/backing-store-attachment-outside-viewport.html is failing | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | Michael Catanzaro <mcatanzaro> |
| Component: | WebKitGTK | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Normal | CC: | bugs-noreply, cadubentzen, calvaris, magomez, simon.fraser, zan |
| Priority: | P2 | ||
| Version: | Other | ||
| Hardware: | PC | ||
| OS: | Linux | ||
| See Also: | https://bugs.webkit.org/show_bug.cgi?id=187994 | ||
Michael Catanzaro
Layout test compositing/backing/backing-store-attachment-outside-viewport.html was added in r233268 "https://hackernoon.com/ uses lots of layer backing store" is failing for GTK with the following diff:
--- /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/compositing/backing/backing-store-attachment-outside-viewport-expected.txt
+++ /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/compositing/backing/backing-store-attachment-outside-viewport-actual.txt
@@ -18,13 +18,13 @@
(position 8.00 1613.00)
(bounds 600.00 600.00)
(drawsContent 1)
- (backingStoreAttached 0)
+ (backingStoreAttached 1)
)
(GraphicsLayer
(position 8.00 3213.00)
(bounds 600.00 600.00)
(drawsContent 1)
- (backingStoreAttached 0)
+ (backingStoreAttached 1)
)
)
)
I don't know anything, but I assume that means we are using memory to hold content that is not drawn, so perhaps this is of interest to the graphics folks.
| Attachments | ||
|---|---|---|
| Add attachment proposed patch, testcase, etc. |
Simon Fraser (smfr)
The "backing store attached" logic is in GraphicsLayerCA. I don't know how to detach backing store on the other platforms.