GPU Pro 4

III

Image Space

The effective image space algorithms are becoming a more and more important

way of achieving more realism or higher quality of the final image.

We start the section with two articles improving the depth-of-field effect used

in many modern games. The first article is “The Skylanders SWAP Force Depth-

of-Field Shader,” by Michael Bukowski, Padraic Hennessy, Brian Osman, and

Morgan McGuire. It describes the depth-of-field shader used in production at

Vicarious Visions for the Skylanders series of games. Their technique generates

very convincing near and far out of focus areas completely in image space without

any additional scene rendering.

The ...