[Webkit-unassigned] [Bug 228012] REGRESSION(ANGLE+METAL): WebGL2 content low frame rate

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jul 16 15:46:01 PDT 2021


--- Comment #7 from Jasper St. Pierre <jstpierre at mecheye.net> ---
The bufferSubData is likely uploading my giant UBO for the frame. Either that or vertex data for some dynamic draws. All uploads happening every frame should be marked GL_DYNAMIC_DRAW (which I believe should be correct? Can never remember the difference between that and GL_STREAM_DRAW), and I try to keep UBO data limited to 65536-sized buffer pages.

If there's anything I'm doing wrong on my side, please let me know.

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