[Webkit-unassigned] [Bug 234008] New: WebGL framebuffer performance regression
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Dec 8 07:46:09 PST 2021
https://bugs.webkit.org/show_bug.cgi?id=234008
Bug ID: 234008
Summary: WebGL framebuffer performance regression
Product: WebKit
Version: Safari 15
Hardware: iPhone / iPad
OS: iOS 15
Status: NEW
Severity: Major
Priority: P2
Component: WebGL
Assignee: webkit-unassigned at lists.webkit.org
Reporter: jekfer.bichon at 3ds.com
CC: dino at apple.com, kbr at google.com, kkinnunen at apple.com
Created attachment 446365
--> https://bugs.webkit.org/attachment.cgi?id=446365&action=review
Sample to reproduce
Hello,
We have detected a performance regression while manipulating framebuffers. I have attached a sample where I bind and clear framebuffers that are created once. The regression has been detected on an iPad Gen 8.
We were getting a comfortable 60 fps on the sample on Safari 14 while we are barely hitting 21 fps on Safari 15. Disabling the experimental option "WebGL via Metal" on Safari 15 puts the performances back at Safari 14 level.
Thank you.
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