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OpenGL 4.5 Compat Being Worked On For RadeonSI, Helping Out No Man's Sky & Others

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  • OpenGL 4.5 Compat Being Worked On For RadeonSI, Helping Out No Man's Sky & Others

    Phoronix: OpenGL 4.5 Compat Being Worked On For RadeonSI, Helping Out No Man's Sky & Others

    What does Valve's Linux GPU driver developer Timothy Arceri do now that he took the RadeonSI Gallium3D driver up to OpenGL 4.4 in its compatibility profile mode? Work on OpenGL 4.5 compatibility profile support, of course...

    http://www.phoronix.com/scan.php?pag...RadeonSI-Start

  • #2
    Originally posted by phoronix View Post
    Phoronix: OpenGL 4.5 Compat Being Worked On For RadeonSI, Helping Out No Man's Sky & Others

    What does Valve's Linux GPU driver developer Timothy Arceri do now that he took the RadeonSI Gallium3D driver up to OpenGL 4.4 in its compatibility profile mode? Work on OpenGL 4.5 compatibility profile support, of course...

    http://www.phoronix.com/scan.php?pag...RadeonSI-Start
    Any ideas on how to benchmark/micro benchmark DSA in core vs compat with OpenGL4.5? Would be interesting to see whether this will have a significant performance hit

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    • #3
      Awesome, just in time for No Man's Sky NEXT coming this July!

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      • #4
        It looks like Mesa devs are doing more work for NMS than NMS devs themselves. And for free. Very nice.

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        • #5
          Originally posted by eydee View Post
          It looks like Mesa devs are doing more work for NMS than NMS devs themselves. And for free. Very nice.
          Timothy is employed by Valve to do this - work isn't free, it's just about who pays the bill

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          • #6
            What?

            Originally posted by phoronix View Post
            One game helped out by this override is using the game No Man's Sky under Wine

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            • #7
              Originally posted by nanonyme View Post

              Any ideas on how to benchmark/micro benchmark DSA in core vs compat with OpenGL4.5? Would be interesting to see whether this will have a significant performance hit
              The current patch just enables the core DSA methods to be exported while in compat mode, so I don't think there's any reason that there would be any performance differences. Unless there are just general perf differences between compat and core overall. All the specific compat changes that need to be made in DSA are why 4.5 isn't enabled by default yet.

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              • #8
                Originally posted by FireBurn View Post

                Timothy is employed by Valve to do this - work isn't free, it's just about who pays the bill
                I meant it's free for the users. NMS is still the same price as new AAA titles of the largest and greediest companies, despite all the negative reviews and the game being what it is. Not counting temporary sales, like the current one, of course.

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                • #9
                  Originally posted by smitty3268 View Post

                  The current patch just enables the core DSA methods to be exported while in compat mode, so I don't think there's any reason that there would be any performance differences. Unless there are just general perf differences between compat and core overall. All the specific compat changes that need to be made in DSA are why 4.5 isn't enabled by default yet.
                  That's what I was angling at. Code using DSA most likely Is written by someone with at least some grasp of modern GL and efficiency. I'd be interested at the end of all of this to know if there's some general "I'm going to put a barrier here because otherwise state goes wonky for some compat method that isn't in reality even used" sort of things involved

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                  • #10
                    Originally posted by eydee View Post

                    I meant it's free for the users. NMS is still the same price as new AAA titles of the largest and greediest companies, despite all the negative reviews and the game being what it is. Not counting temporary sales, like the current one, of course.
                    I bought my copy from GOG for £15 hardly a massive price, the game became decent around the third upgrade (Atlas Rises).

                    It's not a game for everybody though.

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