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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.
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varkkon
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Joined: 2010-01-26
#5639495 Posted on: 02/14/2019 10:32 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
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
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#5639498 Posted on: 02/14/2019 10:56 AM
Good if they release new Unreal Tournament.with DXR.
Or better if someone will made UT2004 DXR mod.
Good if they release new Unreal Tournament.with DXR.
Or better if someone will made UT2004 DXR mod.
sapo_joe
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Posts: 559
Joined: 2009-02-10
#5639534 Posted on: 02/14/2019 01:13 PM
Oh boy, Hellblade with Ray Tracing would look awesome!
Oh boy, Hellblade with Ray Tracing would look awesome!
Fox2232
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Posts: 9484
Joined: 2012-07-20
#5639555 Posted on: 02/14/2019 01:45 PM
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.
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.
Denial
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Posts: 12224
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#5639582 Posted on: 02/14/2019 02:34 PM
RTX is two different things. RTX Gameworks are prepackaged DXR effects for easy integration in games & optimized for Nvidia's RT implementation. RTX in hardware is a number of API's & architecture changes to accelerate DXR on Nvidia hardware.
DXR in unreal engine will make use of the RT cores and BVH algorithms that Nvidia provides. The denoiser may not use tensor cores though as it seems like most devs are opting for vendor agnostic denoisers.
Oh wait, it's not RTX. So... RTX is still limited to specific titles...
RTX is two different things. RTX Gameworks are prepackaged DXR effects for easy integration in games & optimized for Nvidia's RT implementation. RTX in hardware is a number of API's & architecture changes to accelerate DXR on Nvidia hardware.
DXR in unreal engine will make use of the RT cores and BVH algorithms that Nvidia provides. The denoiser may not use tensor cores though as it seems like most devs are opting for vendor agnostic denoisers.
vbetts
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Posts: 14522
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#5639636 Posted on: 02/14/2019 03:58 PM
RTX is cool and all, but personally I'd like to see Epic bake DLSS into UE4 as well.
RTX is cool and all, but personally I'd like to see Epic bake DLSS into UE4 as well.
Denial
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Posts: 12224
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#5639640 Posted on: 02/14/2019 04:11 PM
DLSS works by training an auto-encoder against tens of thousands of high resolution images from a finished title. I'm not sure how you'd put it in an engine where the final project could be anything. I guess they could have a system that allowed the engine to automatically capture the high resolution images throughout the project and export them to Nvidia's/company AI server for DLSS processing but they would have to have a way to limit that to certain devs.
RTX is cool and all, but personally I'd like to see Epic bake DLSS into UE4 as well.
DLSS works by training an auto-encoder against tens of thousands of high resolution images from a finished title. I'm not sure how you'd put it in an engine where the final project could be anything. I guess they could have a system that allowed the engine to automatically capture the high resolution images throughout the project and export them to Nvidia's/company AI server for DLSS processing but they would have to have a way to limit that to certain devs.
ManuKey
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#5639656 Posted on: 02/14/2019 04:46 PM
Good if they release new Unreal Tournament.with DXR.
Or better if someone will made UT2004 DXR mod.
It a new Unreal comes out, it will be a F2P / P2W like Fartnite, Epic is dead. Tencent has destroyed what was remaining from them...
Good if they release new Unreal Tournament.with DXR.
Or better if someone will made UT2004 DXR mod.
It a new Unreal comes out, it will be a F2P / P2W like Fartnite, Epic is dead. Tencent has destroyed what was remaining from them...
Denial
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Posts: 12224
Joined: 2004-05-16
#5639658 Posted on: 02/14/2019 04:49 PM
I'm not a big fan of Fortnite but the monitization of that game isn't bad - especially after the recent change where they let you see what's in the boxes before you buy them.
It a new Unreal comes out, it will be a F2P / P2W like Fartnite, Epic is dead. Tencent has destroyed what was remaining from them...
I'm not a big fan of Fortnite but the monitization of that game isn't bad - especially after the recent change where they let you see what's in the boxes before you buy them.
Petr V
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#5639798 Posted on: 02/14/2019 10:15 PM
I dont care who will made it.Important is how good it will be.
If the new UT shut be some bs then its better they dont release nothing.
It a new Unreal comes out, it will be a F2P / P2W like Fartnite, Epic is dead. Tencent has destroyed what was remaining from them...
I dont care who will made it.Important is how good it will be.
If the new UT shut be some bs then its better they dont release nothing.
Dazz
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#5639832 Posted on: 02/14/2019 11:42 PM
Urm what? Epic is still private and Tencent owns nothing of Epic besides having to pay Epic the licence of the game engine for fortnight.
It a new Unreal comes out, it will be a F2P / P2W like Fartnite, Epic is dead. Tencent has destroyed what was remaining from them...
Urm what? Epic is still private and Tencent owns nothing of Epic besides having to pay Epic the licence of the game engine for fortnight.
waltc3
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#5639841 Posted on: 02/15/2019 12:00 AM
This nonsense about D3d RTX "ray tracing" (@30fps-60fps+) reminds me of the mess we had when people started calling stereoscopic rendering "3d"--and for years, it seemed, when people said "3d games" half of them were talking about stereoscopy while the other half meant rendering objects on the x,y, and z axis with polygons, no stereoscopy needed or used--the traditional definition of all "3d games." What a mess that was for awhile! Marketing is such a wonderful thing, eh? /s
This nonsense about D3d RTX "ray tracing" (@30fps-60fps+) reminds me of the mess we had when people started calling stereoscopic rendering "3d"--and for years, it seemed, when people said "3d games" half of them were talking about stereoscopy while the other half meant rendering objects on the x,y, and z axis with polygons, no stereoscopy needed or used--the traditional definition of all "3d games." What a mess that was for awhile! Marketing is such a wonderful thing, eh? /s
aaronfranke
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#5639894 Posted on: 02/15/2019 03:41 AM
Too bad it's not Vulkan-based raytracing. I don't really care about a graphics API that's closed source and locked to one platform.
Too bad it's not Vulkan-based raytracing. I don't really care about a graphics API that's closed source and locked to one platform.
Fox2232
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Posts: 9484
Joined: 2012-07-20
#5639954 Posted on: 02/15/2019 08:25 AM
Yes, but stereoscopic 3D rendering is so much better. All the processing brain does from those 2 slightly separate inputs is unbelievable.
I had passive 3D 32 inch TV 1080p when they 1st came. And that made it 1920x540 per eye. Yet perceived image quality was on higher level than playing flat projection of 3D game on 1920x1080. Too bad that TVs had too high input lags. Too bad that most of support (including shader fixes) came through 3rd party tools and not from drivers.
I remember having some modification to CS which enabled wii-mote and I had it in 3D too. Pretty good fun, almost VR experience.
Now, we have All that expensive VR gear which is exactly that: Stereoscopic viewing device. And where is general native support from drivers/API? Where are those companies which tried to make their living out of stereoscopic 3D?
IIRC some made push for DX11 and OpenGL. One made code open source upon death (or something like that). But in general, people are not talking about normal games being viewed/played in Stereoscopic 3D anymore. Instead particular games get VR support or games are designed directly for VR and that's their selling point, not gameplay itself.
This nonsense about D3d RTX "ray tracing" (@30fps-60fps+) reminds me of the mess we had when people started calling stereoscopic rendering "3d"--and for years, it seemed, when people said "3d games" half of them were talking about stereoscopy while the other half meant rendering objects on the x,y, and z axis with polygons, no stereoscopy needed or used--the traditional definition of all "3d games." What a mess that was for awhile! Marketing is such a wonderful thing, eh? /s
Yes, but stereoscopic 3D rendering is so much better. All the processing brain does from those 2 slightly separate inputs is unbelievable.
I had passive 3D 32 inch TV 1080p when they 1st came. And that made it 1920x540 per eye. Yet perceived image quality was on higher level than playing flat projection of 3D game on 1920x1080. Too bad that TVs had too high input lags. Too bad that most of support (including shader fixes) came through 3rd party tools and not from drivers.
I remember having some modification to CS which enabled wii-mote and I had it in 3D too. Pretty good fun, almost VR experience.
Now, we have All that expensive VR gear which is exactly that: Stereoscopic viewing device. And where is general native support from drivers/API? Where are those companies which tried to make their living out of stereoscopic 3D?
IIRC some made push for DX11 and OpenGL. One made code open source upon death (or something like that). But in general, people are not talking about normal games being viewed/played in Stereoscopic 3D anymore. Instead particular games get VR support or games are designed directly for VR and that's their selling point, not gameplay itself.
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Oh wait, it's not RTX. So... RTX is still limited to specific titles...