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Will Mesa/Gallium3D Work With The Open-Source Doom 3?

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  • #16
    Originally posted by curaga View Post
    Michael, at what quality were the screenshots taken?
    Ultra quality...
    Michael Larabel
    http://www.michaellarabel.com/

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    • #17
      When it comes to blurry textures, the quality settings do not necessarily affect the engines judgement, as if it feels the hardware is not up to it, it will compress the texture drawing somewhat. I have seen this happening on the free Radeon drivers and also on some older Catalyst versions which did not detect my card properly. This is even more evident in Quake 4 than in Doom 3 or Prey. There are certain toggles you can do in the config to get around this though. Remember, back in 2004, they had to do everything possible to get it running on consumer level hardware.

      Doom 3 is running acceptably using the stock R600g drivers supplied by Fedora 16 on my Radeon HD 4670 with SwapbuffersWait turned off and Colour Tiling enabled. What I find interesting is it seems to hit around 60 or so FPS and then drop down to 40 or so almost every time it renders. It really looks like, to me at least, that it wants to max it out more but there is something holding it back, like a bottleneck or something. Would be interesting to see if that is real or not.
      Last edited by Hamish Wilson; 11-17-2011, 02:03 PM.

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      • #18
        There are TONS of bottleneck, not just one...
        ## VGA ##
        AMD: X1950XTX, HD3870, HD5870
        Intel: GMA45, HD3000 (Core i5 2500K)

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        • #19
          Originally posted by ChrisXY View Post
          I agree. I just tried it with my mobile HD 6550 (= HD 5650) on Ultra settings @ 1600x900 on mesa git. Runs very fluent. I see no reason whatsoever to reduce the graphics quality even a tiny bit.
          Look at the pictures. There are so may effects missing, it doesn't look any better then Low quality anyway.
          But hey, open-source drivers can render a 7 years old game. It must be some sort of a record, right?

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          • #20
            Originally posted by bug77 View Post
            Look at the pictures. There are so may effects missing, it doesn't look any better then Low quality anyway.
            But hey, open-source drivers can render a 7 years old game. It must be some sort of a record, right?
            Yes, it looks somewhat basic but I don't have good idea how it should look. Some side-by-side screenshots would be nice.

            But the point was: The article said you somehow need to use the lowest quality settings on the open source radeon drivers and I don't see that.

            By the way: This is how it looks on my laptop:

            (Needs some Anti-Aliasing )

            If you want to talk about records, then I have lots of other propositions:
            Negative: Minecraft (OpenGL 1.4) renders at 4 FPS (minetest, manic digger etc. all have 50 fps).
            Positive: Unigine Heaven renders fine. It's just a bit slow. And probably some effects are missing.

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            • #21
              Originally posted by ChrisXY View Post
              Yes, it looks somewhat basic but I don't have good idea how it should look. Some side-by-side screenshots would be nice.

              But the point was: The article said you somehow need to use the lowest quality settings on the open source radeon drivers and I don't see that.
              http://www.xbitlabs.com/articles/gra...s_3.html#sect0

              Not jaw-dropping by today's standards, but you can see some bump mapping missing. I imagine that's easier to see on enemies then walls. Also check out the framerates on those video cards.

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              • #22
                Originally posted by darkbasic View Post
                There are TONS of bottleneck, not just one...
                I never implied there was just one, just commenting on my own experiences. Just goes to show, feature-wise the free drivers are almost there, they just need some more optimizations. Compare that to how we were in 2007 before the ball started rolling.

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                • #23
                  From my experience, Doom 3 in Wine runs much better than the native version (getting around 40 fps on Radeon HD 4550), probably because Wine does some optimizations while native binary is unoptimized and pretty much old now. In fact, I never really got the sound working right when running Doom 3 natively on Linux, the sound just disappears after some time. Never saw that happening in Doom 3 in Wine.

                  I was also surprised that Half-life 2 is actually playable and fluent on max settings using Mesa 7.12-git and Radeon driver.

                  By the way, framerates tend to be up to around 30% higher when running the game in single-user mode using xgame script, probably because there's no DE overhead that way.

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                  • #24
                    Originally posted by Hamish Wilson View Post
                    Compare that to how we were in 2007 before the ball started rolling.
                    Hell, tried running Doom 3 using Mesa 7.8 some year and a half ago. Completely unplayable, unlike now. Things are roling really fast lately here.

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                    • #25
                      Originally posted by bug77 View Post
                      http://www.xbitlabs.com/articles/gra...s_3.html#sect0

                      Not jaw-dropping by today's standards, but you can see some bump mapping missing. I imagine that's easier to see on enemies then walls. Also check out the framerates on those video cards.
                      Ouch, the low screenshots there look like the ultra ones here.

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                      • #26
                        Originally posted by Reloaded211 View Post
                        From my experience, Doom 3 in Wine runs much better than the native version (getting around 40 fps on Radeon HD 4550), probably because Wine does some optimizations while native binary is unoptimized and pretty much old now. In fact, I never really got the sound working right when running Doom 3 natively on Linux, the sound just disappears after some time. Never saw that happening in Doom 3 in Wine.
                        What resolution were you playing at? Those FPS actually sound about right when considering my native performance on my Radeon HD 4670 with Fedora 16 and XFCE was about the same as my brothers Radeon HD 3650 with Fedora 15 and LXDE. Maybe your settings were simply different?

                        Originally posted by Reloaded211 View Post
                        By the way, framerates tend to be up to around 30% higher when running the game in single-user mode using xgame script, probably because there's no DE overhead that way.
                        I have never really encountered frame rate boosts with xgamer, though it is quite useful in isolating games from the rest of your system. Still, now you make me want to mess with it again. What exactly do you mean by single-user mode with it?

                        Originally posted by Reloaded211 View Post
                        Hell, tried running Doom 3 using Mesa 7.8 some year and a half ago. Completely unplayable, unlike now. Things are roling really fast lately here.
                        Indeed, I first noticed Doom 3 working properly in about early 2010. I was running Fedora 12 and had the mesa-dri-drivers-experimental installed at the time and at about early February on a whim I started a Doom 3 binary I had installed on a different drive and to my surprise it launched and I was able to load a level. There was some graphical problems with the lightmaps and the performance was nothing to write home about, but it ran.

                        With the release of Fedora 13 everything did work, except for the shadowing, which has been working fine since Fedora 15 and the switch to Gallium 3D. Ever since then it has just been more and more optimizations. Lets hope we see some more soon.

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                        • #27
                          Originally posted by Reloaded211 View Post
                          From my experience, Doom 3 in Wine runs much better than the native version (getting around 40 fps on Radeon HD 4550), probably because Wine does some optimizations while native binary is unoptimized and pretty much old now. In fact, I never really got the sound working right when running Doom 3 natively on Linux, the sound just disappears after some time. Never saw that happening in Doom 3 in Wine.
                          this is a know openGL2.1 catalyst bug wine runs faster because wine translate it into openGL3.x

                          most people are bitten by this bug if they try to play HON.

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                          • #28
                            I am pretty sure he is using the free Gallium 3D drivers rather than Catalyst Qaridarium. Why else would he be posting in this thread?

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                            • #29
                              Originally posted by Hamish Wilson View Post
                              I am pretty sure he is using the free Gallium 3D drivers rather than Catalyst Qaridarium. Why else would he be posting in this thread?
                              Well, there are many extensions from OGL3, in current mesa.

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                              • #30
                                @Qaridarium

                                thats complete bullshit. wine matches opengl 1:1 and does not transform opengl 2 to 3. but the sound system is really outdated in the old doom3 native binary, should be much better when the source code can be fixed. maybe even a recompile against new libs is enough. i also did crossplattform tests some years ago and i remember that you have got verify aa/af settings ingame via screenshots against the win version. i did several speed tests and linux was often a tiny bit faster because parts of those where not active. you should be sure that you compare the same visuals not something you can benchmark but is rendered differently.

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