Tux Machines

KDE: Porting away from gbm_surface

Posted by Rianne Schestowitz on Mar 10, 2023

=> Stable kernels: Linux 6.2.3, Linux 6.1.16, and Linux 5.15.99 | Job Hunting Experience

Until recently, the drm backend of KWin used gbm_surfaces for getting buffers to display on the screen. This is a relatively simple API that allows to extend what one can do with a EGL surfaces - you get to directly choose buffer format and modifiers and you get a gbm buffer after rendering a frame, which you can then use with the drm API to actually get the image on the screen.

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