Bug 210787

Summary: TextureMapper should skip clipping a content layer if it's not needed
Product: WebKit Reporter: Tomoki Imai <tomoki.imai>
Component: WebKitGTKAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: bugs-noreply, cmarcelo, don.olmstead, eric.carlson, ews-watchlist, glenn, jer.noble, kondapallykalyan, luiz, noam, philipj, sergio, zan
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Linux   
See Also: https://bugs.webkit.org/show_bug.cgi?id=210544
Attachments:
Description Flags
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Description Tomoki Imai 2020-04-21 02:33:17 PDT 
Our internal review found that there is a chance to optimize bug 210544 patch.
We don't need to clip a content layer if the clipping rect contains the content rect.
This patch doesn't change the behavior but saves stencil indices.
Comment 1 Tomoki Imai 2020-04-21 02:42:29 PDT 
Created attachment 397064 [details]
patch
Comment 2 Tomoki Imai 2020-05-08 03:15:55 PDT 
Created attachment 398851 [details]
patch

Also update the test expectation. https://bugs.webkit.org/show_bug.cgi?id=210544#c5
Although it's not enabled because of bug 163528 and bug 177536
Comment 3 EWS 2020-05-08 16:11:21 PDT 
Committed r261422: <https://trac.webkit.org/changeset/261422>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 398851 [details].