Understanding Foveated Rendering
VRGuy
APRIL 11, 2016
Foveated rendering is a rendering technique that takes advantage of the fact that that the resolution of the eye is highest in the fovea (the central vision area) and lower in the peripheral areas. As a result, if one can sense the gaze direction (with an eye tracker), GPU computational load can be reduced by rendering an image that has higher resolution at the direction of gaze and lower resolution elsewhere.
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