[Webkit-unassigned] [Bug 205663] webgl/2.0.0/conformance/extensions/angle-instanced-arrays.html is failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=205663

MrMartian <oconnorct1 at gmail.com> changed:

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                 CC|                            |oconnorct1 at gmail.com

--- Comment #3 from MrMartian <oconnorct1 at gmail.com> ---
I'm on MacOS Monterey 12.3 (21E230)
MacBook Pro (15-inch, 2017)
Radeon Pro 560 4 GB
Intel HD Graphics 630 1536 MB

WebGL2 works ok, but I build a line algorithm that relies on gl.drawArraysInstanced

With WebGL1 it has ok performance, on WebGL2 the frame rate drops below 10. I don't have this issue with Firefox or Chrome. For some reason Chrome uses Radeon Pro 560 4 GB, and Firefox uses Intel HD Graphics 630 1536 MB. They both work fine. I can't get Safari to report back the GPU using 'WEBGL_debug_renderer_info' so I have no clue which Safari is using.

Is there a way to give you a better report to see what the potential problem is? I'm worried a lot of people are going to get poor FPS from Safari, so I am sticking with WebGL1 with ANGLE_instanced_arrays extension if Safari is in use for now (although it's still bad performance comparatively to other browsers).

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