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Old 02-01-19, 11:35 AM
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Gran Turismo Developer Polyphony Digital Are Working on Real-Time Ray Tracing tech

Wait, Polyphony is a Sony-only developer? Ray Tracing on a future Sony console?



Read more about Gran Turismo developer Polyphony Digital working on real-time ray tracing tech.

Special Thanks to Dicehunter for the info.

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Old 02-01-19, 11:49 AM
tgrech tgrech is offline
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Personally I think it's inevitable the next consoles will use it, DXR was a cross industry effort, AMD's architecture(Presumably spanning the PS5, Xbone, Ryzen & Radeon) probably won't be as dedicated to it as NVidia's or commit as high a %age of die space to RTRT, but their cards are already potent enough at RT (With a fairly mature non-realtime pipeline) that AMD doesn't really need to take the same degree of change in direction to offer the support, especially with a 7nm launch.

As well as this, I can't see there being anyway that the game industry is going to diverge in directions so sharply with the next console generations, with investments in completely different rendering engines for different platforms. We know for a fact Microsoft has thrown a lot of money at getting RTRT out, so an Xbone release at the very least would seem all but a given on at least one model, and given how wide the support is for DXR amongst cross-platform engine developers and the like, I feel that confirms it, the support for DXR amongst such a wide variety of companies wouldn't exist now if it was expected to be a single-manufacturer product for all of 2019.

DXR's support at this stage arguably seems stronger than DX12's was, but certainly seems much more in line with past Microsoft-led industry standard API's as we'd expect for a wide-ranging feature. Compare the support for this to GPU-vendor-specific technologies(What some expected DXR to be due to NVidia's early deployment of their accelerator units, and the only thing that would really stop it from reaching consoles) and the difference is night and day.
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Old 02-01-19, 12:29 PM
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Quote:
Originally Posted by tgrech View Post
Personally I think it's inevitable the next consoles will use it, DXR was a cross industry effort, AMD's architecture(Presumably spanning the PS5, Xbone, Ryzen & Radeon) probably won't be as dedicated to it as NVidia's or commit as high a %age of die space to RTRT, but their cards are already potent enough at RT (With a fairly mature non-realtime pipeline) that AMD doesn't really need to take the same degree of change in direction to offer the support, especially with a 7nm launch.

As well as this, I can't see there being anyway that the game industry is going to diverge in directions so sharply with the next console generations, with investments in completely different rendering engines for different platforms. We know for a fact Microsoft has thrown a lot of money at getting RTRT out, so an Xbone release at the very least would seem all but a given on at least one model, and given how wide the support is for DXR amongst cross-platform engine developers and the like, I feel that confirms it, the support for DXR amongst such a wide variety of companies wouldn't exist now if it was expected to be a single-manufacturer product for all of 2019.

DXR's support at this stage arguably seems stronger than DX12's was, but certainly seems much more in line with past Microsoft-led industry standard API's as we'd expect for a wide-ranging feature. Compare the support for this to GPU-vendor-specific technologies(What some expected DXR to be due to NVidia's early deployment of their accelerator units, and the only thing that would really stop it from reaching consoles) and the difference is night and day.
If both the next PlayStation and Xbox use AMD hardware, which seems extremely likely at this point. It stands to reason that both consoles will be fairly similar at a basic hardware level.

The differences will come with customisations, with Microsoft investing in both DXR and DirectML (Machine Learning).

At SIGGRAPH 2018 Microsoft showcased DirectML being used to upscale Forza Horizon 3 from 1080p to 4K (4x resolution boost), showing some pretty good results when compared to bilinear upsampling.

More info here.

https://www.overclock3d.net/news/sof..._spring_2019/1

With MS working heavily on both of these, it seems probable that AMD will be able to accelerate both with future graphics architectures. The question is how long this will take. AMD has been very quiet about Navi, but that doesn't necessarily mean anything.
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Old 02-01-19, 01:43 PM
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I was surprised to see that its in the works for consoles so soon that we are getting public demos, I wasn't surprised that GT would be looking at it. GT has always had impressive graphics, I have a feeling that the next iterations of the consoles might not have RTRT, perhaps a second release (like the PS4 pro) later down the line. The hardware is not the only part of RTRT that has not matured yet. Anyone remember the first iterations of water ripples and how much that ruined hardware in its early days?
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