There is a good page comparing the two implementations as part of the intro to the larger protocol planning for color and hdr https://gitlab.freedesktop.org/pq/

There is a good page comparing the two implementations as part of the intro to the larger protocol planning for color and hdr https://gitlab.freedesktop.org/pq/color-and-hdr/-/blob/main/doc/winsys_color_pipeline.md https://gitlab.freedesktop.org/pq/color-and-hdr/-/blob/main/... The implementation is slightly different to make things work better as both older decisions are cleaned up and newer features like per-monitor HDR pipelines are made more approachable.