110201cfd8
Seems to be the same as RB_DITHER_CNTL. Both get set to 0x5555 when dithering is enabled on the proprietary gles driver. Signed-off-by: Karmjit Mahil <karmjit.mahil@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30536>