glx/egl: fix LIBGL_KOPPER_DISABLE (!28137) · Merge requests · Mesa / mesa · GitLab

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Mike Blumenkrantz requested to merge zmike/mesa:kopper-disable into main Mar 12, 2024

What does this MR do and why?

glx/egl: fix LIBGL_KOPPER_DISABLE

when set, this disables the use of vk swapchains and lets the dri frontend
manage buffers like any other driver

also document some kopper env vars

fixes #10713