[Wayland-bugs] [Bug 83985] Add rendernode support to headless-GL backend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83985

--- Comment #5 from Pekka Paalanen <ppaalanen at gmail.com> ---
(In reply to Pekka Paalanen from comment #4)
> Oh, I suppose our gl-renderer API does not account for rendering into an FBO
> off-screen. It always requires an EGLNativeWindowType to create an
> EGLSurface for. Do you know if there is anything we could pass in with
> surfaceless to get a working EGLSurface, or would it always force us to use
> an FBO because the EGLSurface is a dummy?

Hrm, it being called "surfaceless" and all, I would assume you cannot even
create an EGLsurface to begin with, which leaves no other option than to use
FBOs. So the alternative to GBM platform would be to use an FBO, which means
extending the gl-renderer API to allow that. So, let's just use GBM for now.

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