https://bugs.freedesktop.org/show_bug.cgi?id=89452
Bug ID: 89452 Summary: [Regression] Gamma controls broken on all SDL/Quake based games Product: Mesa Version: git Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: Mesa core Assignee: mesa-dev@lists.freedesktop.org Reporter: lukebe...@hotmail.com QA Contact: mesa-dev@lists.freedesktop.org The gamma controls no longer work on (io)Quake based games with Mesa drivers. This regression occurred in 7.4 commit: http://cgit.freedesktop.org/xorg/xserver/commit/?id=91f73b79b7ae64e5b846d1efeb470bb61a913720 Maarten says it "should be driver ABI compatible", but it breaks Mesa's own drivers. I have observed this broken behavior with the Mesa software renderer, a Geforce 650 with Mesa 10.5 and 10.6, and ATI X1800 with Mesa 10.5 and 10.6. Ironically, the proprietary drivers have hacked around this bug, so they're not affected. Nouveau's default gamma is so dark that OpenArena is unplayable with my GTX 650. A sample of downstream bug reports from game engines/frameworks affected: http://openarena.ws/board/index.php?topic=3699.0 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=645299 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=565638 https://bugzilla.libsdl.org/show_bug.cgi?id=971 https://bbs.archlinux.org/viewtopic.php?id=84040 It should be possible for a game to control it's own gamma and not force the user to change system-wide settings every time they want to play. How can we fix this issue? Implement the same work-around as the proprietary drivers or revert/fix the commit that's causing this problem? -- You are receiving this mail because: You are the QA Contact for the bug. You are the assignee for the bug.
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