Valve is working on solution to run SteamVR weaker GPUs

Mar

21

2016

A Valve employee working on a Unity plugin to make less heavy rendering scenes in virtual reality for GPUs. He states that he Aperture VR demo can run decent with its plugin on a NVIDIA GeForce GTX 680. This is a video card of 2012.

Valve programmer Alex Vlachos makes the development of the Unity plugin known to a presentation at the Game Developers Conference last week, writes UploadVR. Vlachos states in his presentation that “as long as a GPU can come to 45 hertz, we want them to run Fri. Since a refresh rate of 90 hertz is needed to keep convincing virtual reality and motion sickness to occur, this means that the plug-in of Vlachos should be able to double the fps.

One of the ways in which this is achieved is by using a technique called fixed foveated rendering. This means that the level of detail is screwed down on the periphery of the field of view of the user, where he or she has in the holes the less rapidly. Fixed foveated rendering is part of multiple techniques Vlachos under the heading adaptive quality summary.

Furthermore Vlachos speaks of reduced resolutions that go according to photos of his slides to 992×1102 with the GTX 680. The Vive and the Rift, however, have a resolution 1080×1200 per eye, so Vlachos is not far below, assuming he has also on a resolution per eye. Valve employee has not spoken to the presentation on the release of his plugin.

The GTX 680 Vlachos as an example, is welwaar no longer buy new, but for example by Supply & Demand at the time of writing still to be found for around 150 euros. That’s less than half of what would pay a user for a GeForce GTX 970, which is recommended for both the Oculus Rift as the HTC Vive to get that 90 hertz. Although the interest in Sun is currently large, the required investment is to experience Fri similarly large. In addition to the cost of a suitable graphics card, users must also pay a hefty sum for the headset itself. HTC Vive will cost 899 euros and 699 euros Oculus Rift. there is the PSVR headset, which includes the necessary camera costs about 460 euros for those who prefer the PlayStation 4 or experience on a PC virtual reality.

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