Quake Wars goes Larrabee?

Quake Wars Ray Tracing: More screenshots and details released

There are a HD video, new screenshots and additional details of the ray tracing version of Quake Wars available.
Quake Wars: Ray traced water with reflections and refractions. (picture: Source)
Quake Wars: Ray traced water with reflections and refractions. (picture: Source) [Source: view picture gallery]
It is common knowledge that Intel developed a Ray Tracing version of Quake Wars. PC Games Hardware reported about a video showing ray traced Quake Wars in early June already. Intel employee Daniel Pohl has updated the Quake Wars Raytraced website so we decided to deal with the topic again.

Quake Wars: Ray Traced is, according to the website, a project of an Intel research group. The real-time ray tracer in use is optimized for current multi-core x86 CPUs. The long-run target is to establish real-time ray tracing as an alternative rendering path besides rasterization. Many-core architectures like Larrabee and the Larrabee successor are explicitly named.

The main features of Quake Wars Ray Traced are:
- Water with reflections and refractions
- Realistic glass shaders
- Accurate shadows
- Camera portal effects
- Displaying the MegaTexture
- Collision detection using ray tracing
A demo displayed in 2008 ran with 15 to 20 fps at 1,280 x 720 on a Caneland system with four Tigerton-Quad-Cores (so all in all 16 cores), which were clocked to 2.93 GHz. An enhanced demo, which was displayed in August 2008, already ran with 20 to 35 fps. The system back then consisted of four Dunnington CPUs with six cores each - 24 cores all in all. According to Daniel Pohl the performance is practically scaling linear with any additional core.

In our gallery you can find new screenshots of Quake Wars which have been made on a real-time ray tracing basis. At this point it must be pointed out that the screenshots were smoothened with Super Sampling, which hadn't been the case during the live demo.

Picture gallery  (enlarge to view source)

Other articles related to ray tracing:
GPU ray tracing: New pictures reveal current possibilities
Nvision 2008: Real-time HD Ray tracing
The future of 3D Graphics: GPU Computing and Ray Tracing

Author: Thilo Bayer (Jan 22, 2009)

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