[Bug 91534] r300 blocking GLX and EGL compositing in KWin (KDE Plasma 5.x)?

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=91534

--- Comment #1 from Emil Velikov <emil.l.velikov@gmail.com> ---
Hi Aaron,

We do have some fixes in mesa 10.6.x that never made it into 10.5 series. I
would give mesa 10.6.x a spin first.

I'm not a r300 dev myself so I cannot comment on the driver, although it
doesn't show any signs of issues. Here are some bits you might find
interesting:

- Seemingly the driver already exposes NPOT + OpenGL 2.1 (albeit some hardware
limitations, which should be handled by the driver).

- GLX does not always mean you'll get OpenGL, similar to EGL and OpenGLES. One
can mix and match depending on various factors.

In your case EGL + OpenGL is attempted but I'm not sure how to force gles.
Older versions had kwin_gles, which seems to be gone with the 5 series. Might
want to look into a way of forcing gles, and getting more verbose output on
kwin side.

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