Dirt: Showdown bad performance and broken rendering with enabled advanced lightning
Submitted by Gregor Münch
Assigned to Default DRI bug account
Link to original bug (#100069)
Description
Created attachment 130078 menu options
With higher GL versions, Dirt enables "advanced lighting" options in the graphics menu. Setting this to "On" makes the game basically a slide show. FPS is going down from 60 to 10.
Im on a Radeon HD 7970. Also all other Radeon cards seems to have a performance problem: http://www.phoronix.com/scan.php?page=article&item=mesa171-pro60-rx470&num=2
where figures looked better in 2015 (but probably because Opengl 4.5 wasnt there) http://www.phoronix.com/scan.php?page=article&item=dirt-showdown-linux&num=3
Some more infos about the lightning options: http://www.rage3d.com/articles/gaming/codemaster_dirt_showdown_tech_review/index.php?p=2
Attachment 130078, "menu options":
Version: git