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R600g Geometry Shaders Come For R600/R700

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  • R600g Geometry Shaders Come For R600/R700

    Phoronix: R600g Geometry Shaders Come For R600/R700

    Yesterday I wrote about Geometry Shaders support proposed for the R600 Gallium3D driver, a major OpenGL 3.2 feature and is needed for getting the R600g driver up to par with RadeonSI and the other Mesa/Gallium3D drivers either at or nearing OpenGL 3.3 compliance. Some Phoronix readers expressed outrage that this initial GS support was limited to the Radeon HD 5000 series and newer, but now there's an early patch to provide geometry shaders to older AMD hardware...

    http://www.phoronix.com/vr.php?view=MTU4ODQ

  • #2
    Don't have that hardware but happy to see support.

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    • #3
      [Troll mode on]
      OMG noes! The R100 does not receive this love. Neither does the ATI Mach 64! Such a shame! AMD is not making customers happy.
      Now they will never reach OpenGL 3.3 compatibility! [/Troll mode off]

      Oh, wait...


      Really nice to see these patches. See, in the free driver world it is just a matter of time for some things to come. And sometimes it is just a few days. And sometimes the reason is just that upstream does not have that very hardware and doesn't want to write a blind update without the possibility to test. (Furthermore in these cases the documentation from AMD is there so everybody capable of driver hacking could write that code.
      Thanks AMD, thanks free driver team. I still have some of that hardware floating around (I guess I always have all sorts of old hardware around ) - but then, I am not sure if I really want my old HD3870 110W TDP (about 30 W idle?) passively cooled monster (Sapphire Ultimate) back in my main box.

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      • #4
        Originally posted by phoronix
        also one Linux kernel patch. On the kernel side that likely won't emerge until Linux 3.15.
        The kernel support should go into 3.14, michael. The merge window is still open, and this could easily hit rc2 or rc3 without rejection i'd think.

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        • #5
          Thank you very much David!

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          • #6
            Does anybody knows, will there be support for geometry shaders on Sandy Bridge?

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            • #7
              good question!

              Originally posted by leonmaxx View Post
              Does anybody knows, will there be support for geometry shaders on Sandy Bridge?
              i m waiting for it to

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              • #8
                Originally posted by leonmaxx View Post
                Does anybody knows, will there be support for geometry shaders on Sandy Bridge?
                Unless someone from the community implements it, likely not. Paul Berry, the Intel dev who worked on GS for Ivy and Haswell, is already working on other stuff.

                Here's his message on what needs to be done to bring GS to Sandy: http://lists.freedesktop.org/archive...er/046150.html

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                • #9
                  okey, never comes

                  Originally posted by Gusar View Post
                  Unless someone from the community implements it, likely not. Paul Berry, the Intel dev who worked on GS for Ivy and Haswell, is already working on other stuff.

                  Here's his message on what needs to be done to bring GS to Sandy: http://lists.freedesktop.org/archive...er/046150.html
                  okey, never comes, is really sad for intel don t spend a month to finish the maximium opengl api for sandy, but ok. nvidia is the best in this things

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                  • #10
                    Originally posted by Andrecorreia View Post
                    okey, never comes, is really sad for intel don t spend a month to finish the maximium opengl api for sandy, but ok. nvidia is the best in this things
                    What happened to the "just give us documentation and we'll write the drivers" meme?

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