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Guru3D.com » News » Unreal Engine adds support for raytracing

Unreal Engine adds support for raytracing

by Hilbert Hagedoorn on: 02/14/2019 09:03 AM | source: hardware.info | 29 comment(s)
Unreal Engine adds support for raytracing

Few games are supporting DirectX Raytracing. A new version of UE 4 offers support for DirectX Raytracing (DXR). Unreal Engine is a popular game development software kit from Epic and version 4.2.2 allows developers to incorporate raytracing into their games.

Specifically, it concerns raytracing effects for reflections, shadows, light, ambient occlusion and more. As far as current raytracing-supported games are concerned, all is rather limited. For the time being, only Battlefield V offers support for DXR as well as Metro: Exodus that launches today. With a new version of Unreal Engine 4 it should be easier for these developers to add the raytracing technique in games. The announcement does not come as a surprise, however: Epic announced the feature for Unreal Engine in November last year and already showed some images and concepts at the time.

The patch notes state:

Added ray tracing low level support.

  • Implemented a low level layer on top of UE DirectX 12 that provides support for DXR and allows creating and using ray tracing shaders (ray generation shaders, hit shaders, etc) to add ray tracing effects.
    • Added high-level ray tracing features
    • Rect area lights
    • Soft shadows
    • Reflections
    • Reflected shadows
    • Ambient occlusion
    • RTGI (real time global illumination)
    • Translucency
    • Clearcoat
    • IBL
    • Sky
    • Geometry types Triangle meshes
      • Static
      • Skeletal (Morph targets & Skin cache)
      • Niagara particles support
    • Texture LOD
    • Denoiser
  • Shadows, Reflections, AO
  • Path Tracert
    Unbiased, full GI path tracer for making ground truth reference renders inside UE4.






« Microsoft patches actively exploited zero-day in IE as wel as 73 security issues · Unreal Engine adds support for raytracing · Review: Battlefield V: DLSS PC performance update »

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sverek



Posts: 6097
Joined: 2011-01-02

#5639489 Posted on: 02/14/2019 09:07 AM
Oh wait, it's not RTX. So... RTX is still limited to specific titles...

varkkon
Senior Member



Posts: 138
Joined: 2010-01-26

#5639495 Posted on: 02/14/2019 09:32 AM
Awesome! Here.... we... go...

Going to be interesting to compare the performance of a UE4x DXR title to a 2080 and a Radeon VII. In general I love to see what the performance is like on DRX compared to Nvidia's solution.

Hilbert I am sure you are already planning out that review in advance and your body is already ready :)

Petr V
Senior Member



Posts: 347
Joined: 2018-08-04

#5639498 Posted on: 02/14/2019 09:56 AM
Good if they release new Unreal Tournament.with DXR.
Or better if someone will made UT2004 DXR mod.

sapo_joe
Senior Member



Posts: 587
Joined: 2009-02-10

#5639534 Posted on: 02/14/2019 12:13 PM
Oh boy, Hellblade with Ray Tracing would look awesome!

Fox2232
Senior Member



Posts: 11337
Joined: 2012-07-20

#5639555 Posted on: 02/14/2019 12:45 PM
Oh wait, it's not RTX. So... RTX is still limited to specific titles...

RTX should not be anywhere. Everything should use DXR and nVidia should be hooking RTX to it.

That way all (1.. few.. many?) those games will work on AMD's HW moment AMD adds DXR support.

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