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AMD shows off forward rendering VR demo (video)

Posted on Tuesday, April 18 2017 @ 14:12:28 CEST by

AMD uploaded a new video clip that showcases the Forward Rendering technique in the Epic Games' Robo Recall game. Most games use Deferred Rendering, which does all the geometry work first and then shades screen pixels, but it seems the older Forward Rendering technique provides smoother performance on VR platforms.
[AMD RTG Technical Marketing Specialist Gilbert] Leung runs two identical PC systems but they are using different render path options in Epic Games’ Robo Recall VR game. In the test you can see that the Forward Rendering switched game provides significantly better frame times (7 to 8ms rather than about 11 to 12ms). Leung asserts that not only is the action much smoother in the Forward Rendering demo, but in-game graphic details and colours are improved too.

You will note that Forward Rendering is described above as a 'compromise'. That because Deferred Rendering has some benefits such as more rendering features and better handling of several dynamic light sources. However, as well as the speed advantages, Forward Rendering "provides better anti-aliasing options," which can lead to better overall visuals.

Via: Hexus



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