Bug 206850

Summary: WebGL drawarray performance issue
Product: WebKit Reporter: sodead
Component: WebGLAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: dino, justin_fan, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 13   
Hardware: Mac   
OS: macOS 10.15   
Attachments:
Description Flags
WebGL drawarray performance issue none

Description sodead 2020-01-27 16:29:45 PST
Created attachment 388935 [details]
WebGL drawarray performance issue

drawarray has a very low performance when it is called many times in a loop.
the attachment can reperduce the issue.
this example works fine in Firefox and Chrome. but will freeze Safari for a long time. you may check the progress in console.
Comment 1 Radar WebKit Bug Importer 2020-01-27 22:24:53 PST
<rdar://problem/58946292>