Frameless rendering: double buffering considered harmful

The use of double-buffered displays, in which the previous image is displayed until the next image is complete, can impair the interactivity of systems that require tight coupling between the human user and the computer. We are experimenting with an alternate rendering strategy that computes each pixel based on the most recent input (i.e., view and object positions) and immediately updates the pixel on the display. We avoid the image tearing normally associated with single-buffered displays by randomizing the order in which pixels are updated. The resulting image sequences give the impression of moving continuously, with a rough approximation of motion blur, rather than jerking between discrete positions. We have demonstrated the effectiveness of this frameless rendering method with a simulation that shows conventional double-buffering side-by-side with frameless rendering. Both methods are allowed the same computation budget, but the double-buffered display only updates after all pix...

• Type: Conference
• Year: 1994
• Where: SIGGRAPH
• Authors: Gary Bishop, Henry Fuchs, Leonard McMillan, Ellen J. Scher Zagier
• Keywords: Computer Graphics, Frameless Rendering, Frameless Rendering Display, Image, SIGGRAPH 1994