[Webkit-unassigned] [Bug 239015] REGRESSION (Safari 15.4) Crash uploading WebGL buffers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=239015

--- Comment #4 from Philip Taylor <philip.taylor at zea.live> ---
I have been experiencing a mix of extremely 1. poor performance (2fps), 2. crashes, or 3. excellent performance (60fps) on quite similar datasets. 

The pre-allocating large GPU buffers was a solution that caused some datasets to jump from 2fps up to 60 fps on the same machine. (normally I incrementally grow GPU buffers by powers of 2).

I can provide other datasets that provide various behaviors if needed.

I am making stabs in the dark, but it felt like my buffer allocations were corrupting something in the back end.

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