Re: [Mesa-dev] Please bring back __GL_FSAA_MODE

[Tom Butler]

Thanks Marek, what would need to happen to get this enabled again? Will simply reverting the commit that took it out work? If so is there any chance of getting this put back officially or would I have to manually compile the driver each release? In particular I'm looking to get FSAA working in older games via wine, mostly they don't support antialiasing which is a shame because there's plenty of GPU power going to waste which could be fixing the jaggles. On nvidia __GL_FSAA_MODE works as intended provided you set wine's OffScreenRenderingMode to "backbuffer" which slightly impacts performance but doesn't matter for older games. I'd love to see the functionality return for AMD GPUs. Kind Regards, Tom On 27/11/2018 22:30, Marek Olšák wrote: Yes, it could be added back. Marek On Tue, Nov 27, 2018 at 3:15 AM Tom Butler <t...@r.je> wrote: Hello, I realise this was removed for a reason ( https://lists.freedesktop.org/archives/mesa-dev/2014-September/067864.html ) but there are cases where it is useful. In older games that do not support native FSAA being able to force it in the driver is the only way to enable it. A quick google search for AMD linux force msaa shows that I'm not the only one who would like to see this feature return: https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/open-source-amd-linux/1024166-radeon-eqaa-anti-aliasing-support-merged-to-mesa-18-2?p=1024185#post1024185 https://bbs.archlinux.org/viewtopic.php?id=225425 https://www.reddit.com/r/linux_gaming/comments/671yzm/forcing_antialiasing_with_mesa_radeon_driver/ https://github.com/dscharrer/void/blob/master/hacks/forcemsaa.c I understand it does cause issues in some cases but there are times when it is useful. Could it be reintroduced with a more relevant name that implies it shouldn't be used? E.g. GALLIUM_LEGACY_MSAA or GALLIUM_FORCE_MSAA_EXPERIMENTAL. That way it would lower users expectations while still making the option available to try. Kind Regards, Tom Butler _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev

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