[osg-users] EXTERNAL: Re: Nvidia RTX

Rowley, Marlin R marlin.r.rowley at lmco.com
Wed Feb 20 13:54:49 PST 2019


I, personally, wouldn't be in such a rush to implement RTX support.  The graphics card can only handle 1 ray-tracing feature at acceptable framerates.  We are using OSG for terrain generation and I see rendering triangles fast enough along with managing high res textures as still being a #1 priority for us.  Graphics hardware just isn't fast enough to render relatively dense meshes even with the best cards.  I sincerely hope that RTX doesn't cause a fork in the road and reduce the need to improve the overall bandwidth of the graphics pipeline.

My 2 cents..

----------------------------------------
Marlin Rowley
Software Engineer, Staff

Missiles and Fire Control
972-603-1931 (office)
214-926-0622 (mobile)
marlin.r.rowley at lmco.com

-----Original Message-----
From: osg-users <osg-users-bounces at lists.openscenegraph.org> On Behalf Of Terry Welsh
Sent: Tuesday, February 19, 2019 5:47 PM
To: osg-users at lists.openscenegraph.org
Subject: EXTERNAL: Re: [osg-users] Nvidia RTX

My research tells me that a) hybrid rendering like RTX is the way to go for the next few years if you want real-time performance, and b) Vulkan will have ray-tracing extensions but OpenGL will have none.

So once I get time I'd like to dig into VSG or some game engine with Vulkan support. I don't know of any other options besides rolling your own, and I'm not so anxious to do that with Vulkan. Would love to hear other opinions on this.
- Terry

> On Tue, 19 Feb 2019 at 17:17, Chris Hanson <xenon at alphapixel.com> wrote:
> > Any of my OSG homies do anything with Nvidia RTX yet? I did a simple search and didn't see any overlap between OSG and RTX.
>
> RTX feature support is on my ROADMAP.md for the VSG ;-)
>
> It will likely take till early summer before we've completed enough 
> other VSG features before we can progress on to the RTX features.
>
> Add RTX features to the OSG should be possible, though I don't have 
> any plans to do this myself as my work on the VSG is close to full 
> time till 1.0 goes out.
>
> Cheers,
> Robert.
>
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