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RadeonSI Gets OpenGL 4.5 Derivative Control Support

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  • RadeonSI Gets OpenGL 4.5 Derivative Control Support

    Phoronix: RadeonSI Gets OpenGL 4.5 Derivative Control Support

    The latest OpenGL 4+ activity in Mesa this week is a Saturday commit landing another OpenGL 4.5 extension for AMD's RadeonSI Gallium3D driver for GCN graphics processors...

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

  • #2
    Good thing you posted this, we expect an extension a day now.

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    • #3
      Originally posted by Deavir View Post
      Good thing you posted this, we expect an extension a day now.
      Im honestly kind of wondering if we're gonna see a bit of a 'sprint' to see how many 4.x's we can knock out before the next release...

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      • #4
        What does he even mean by "Mesa being OpenGL 4.2 compliant"? Mesa is not a driver...

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        • #5
          Ancurio,
          Once it's on MESA, nouveau or radeon developers can 'easily' implement it.

          Mesa matrix is looking good!
          http://mesamatrix.net/

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          • #6
            OpenGL 4.3 may be the more interesting version as it marks the end of S3TC

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            • #7
              It is kind of sad to see r600 start to fall behind. Hopefully it will catch up.

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              • #8
                Originally posted by Ancurio View Post
                What does he even mean by "Mesa being OpenGL 4.2 compliant"? Mesa is not a driver...
                Mesa is a software layer that implements (among other things) the OpenGL APIs.

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                • #9
                  Originally posted by Ericg View Post

                  Im honestly kind of wondering if we're gonna see a bit of a 'sprint' to see how many 4.x's we can knock out before the next release...
                  I would definitely like my Carrizo laptop to expose full OGL 4.1 when I buy it in one or two weeks.

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                  • #10
                    Hey all. First time writer on this excellent forum. Thanks Michael for doing all this work.

                    There seems to be a potential blocker for fast ARB_gpu_shader5 support on radeonSI.
                    Does anyone knows what Dave Arlie's comment on indirect samplers on mesa git means?
                    "radeonsi: add support for indirect samplers (v2)
                    This adds the frontend support, however the llvm backend produces the wrong pattern, however we can conditionalise enabling ARB_gpu_shader5 on whatever version of llvm we fix this in."

                    is this something that won't be fixed with LLVM 3.7 and hence drag out OGL 4+ for radeonSI to 3.8?

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