[Bug 91395] OpenGL functions block for serveral ms when used with EGL

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91395

--- Comment #3 from Rainer Hochecker <fernetmenta at online.de> ---
I don't see anything obvious. I tried syncing to vertical retrace manually
using drm. When I wait for a vblank and then call eglSwapBuffers, the gl
functions seem not blocking anymore. IMO eglSwapBuffers behaves strange.

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