Originally posted by schmidtbag
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Experimental RADV Code Allows Vulkan Ray-Tracing On Older AMD GPUs
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I vaguely remember a demo from Crytek a couple of years ago that managed a pretty impressive level of RTRT on a 5700.
* digs through history...
Technology Reveal: Real-Time Ray Traced Reflections achieved with CRYENGINE.Put your own hardware to the test and download the Neon Noir benchmark now: https...
Obviously that's very much a custom system that probably doesn't map too well to the APIs nvidia defined for their HW-assisted aspects, but it's still a pretty impressive demo of how far you can get just by offloading calcs to the GPU, even without dedicated RT processing cores built into the card itself.
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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.
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I'm assuming this will end up being way too slow to actually be useful in any games, right? I guess it could be interesting for debug purposes? Or just some compat feature for broken games that refuse to start without RT being advertised even if they never use it.
Edit - ahh, I read the blog post and it makes sense now.Last edited by smitty3268; 31 May 2021, 06:55 PM.
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Originally posted by FireBurn View Post
I thought APU's and GPU's could now access both system memory and video memory directly
Most I've ever tried in that department has been GPU offloading so I could play games on my dGPU (RX 580) while using the iGPU (Vega 7/4650g) to power the desktop display and I didn't have very good results because it kept wanting to always use the Vega. I assume it is because the Vega is newer and that's as smart as whatever DRI_PRIME does whenever you have two AMDGPUs in your system.
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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
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Originally posted by skeevy420 View PostI 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.
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