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Experimental RADV Code Allows Vulkan Ray-Tracing On Older AMD GPUs

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  • #21
    Maybe combined with FSR this could be viable for 1080p on older cards.

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    • #22
      Originally posted by Spacefish View Post
      Nice work.
      Down the road this might later on enable us to run games / applications that only do light usage of raytracing APIs (for sound reflection calculation for example) on non-raytracing Hardware!

      Might be funny to have a "Raytracing" game running on Linux via DXVK (granted DXVK implements the DirectX Raytracing APIs) which donĀ“t work on the same "non-raytracing" GPU on windows
      Ive heard that Radv might be comming to windows, wouldn't it be something if RADV allows windows RT via dxvk too xD

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      • #23
        Originally posted by JoshuaAshton View Post
        Also please don't call me Ashton that's my father's name lol.
        Ashton it's not an lastname but patronym? I also was confuse.

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        • #24
          Originally posted by stalkerg View Post

          Ashton it's not an lastname but patronym? I also was confuse.
          Or a reference the the old joke.
          X Y: call me X; Mr Y is my father.

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          • #25
            "ray-tracing wokr"

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            • #26
              Originally posted by schmidtbag View Post
              Very cool!
              Is there a way to use a secondary GPU (not driving a display) to handle the RT rendering, or would the PCIe overhead of that negate the performance benefits of a 2nd GPU?
              I imagine for dual-GPU cards, this could be beneficial.
              Very very nice idea!

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              • #27
                Originally posted by skeevy420 View Post

                I was wondering the same thing but thought that my APU calculations would be bottlenecked by ram speeds and latency when going from GPU to APU and back again.
                It would be interessting to have a AMD Desktop APU + nice dGPU so APU as Raytracing Co-Processor? ...but maybe it is bootlenecked as you and schmidtbag have written.

                edit...I guess this is what you and others have writen ...sorry im bit confused by my excitement over this RT coprocessor possibilities

                JoshuaAshton as always great work of you and @BasNieuwenhuizen
                Last edited by CochainComplex; 01 June 2021, 04:34 AM.

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                • #28
                  Originally posted by Dunexus View Post
                  Probably noob question, what is the advantage of writting it in nir instead of SPIR-V ?
                  i guess spirv is designed for (de)serialization, nir is designed for transformation

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                  • #29
                    Originally posted by Azrael5 View Post
                    This news proofs that amd cards are not supported as they should. So, Vega and Pascal models will be involved or not on RADVD project?
                    do you understand that radv is third-party software?

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                    • #30
                      this is even work? no hw support this thing will be slow like hell

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