kms_swrast: A new hardware-backed graphics driver – Info Linux

Presenting kms_swrast, a new, hardware-backed, software graphics driver, built upon the Mesa gallium driver framework, which uses kernel kms drm nodes for memory allocation.

https://www.collabora.com/news-and-blog/blog/2018/08/01/kms-swrast-hardware-backed-graphics-driver/