Advanced Multi-Frame Rate Rendering Techniques

Multi-frame rate rendering is a parallel rendering technique that renders interactive parts of the scene on one graphics card while the rest of the scene is rendered asynchronously on a second graphics card. The resulting color and depth images of both render processes are composited and displayed....

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Vydané v:2008 IEEE Virtual Reality Conference s. 177 - 184
Hlavní autori: Springer, Jan P., Lux, Christopher, Reiners, Dirk, Froehlich, Bernd
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 01.03.2008
Predmet:
3D Interaction
Color
Computer displays
Computer graphics
Computer networks
F.1.2 [Computation by Abstract Devices]: Modes of Computation¿Interactive and Reactive Computation
Gas industry
I.3.2 [Computer Graphics]: Graphics Systems¿Distributed/Network Graphics
I.3.3 [Computer Graphics]: Picture/Image Generation- Display Algorithms
I.3.6 [Computer Graphics]: Methodology and Techniques-Interaction Techniques
I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism-Virtual Reality
Image generation
Layout
Light sources
Multi-Frame Rate Rendering
Multi-GPU Systems
Petroleum
Rendering (computer graphics)
ISBN:9781424419715, 1424419719
ISSN:1087-8270
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Popis
Shrnutí:Multi-frame rate rendering is a parallel rendering technique that renders interactive parts of the scene on one graphics card while the rest of the scene is rendered asynchronously on a second graphics card. The resulting color and depth images of both render processes are composited and displayed. This paper presents advanced multi-frame rate rendering techniques, which remove limitations of the original approach and reduce artifacts. The interactive manipulation of light sources and their parameters affects the entire scene. Our multi-GPU deferred shading splits the rendering task into a rasterization and lighting pass and distributes the passes to the appropriate graphics card to enable light manipulations at high frame rates independent of the geometry complexity of the scene. We also developed a parallel volume rendering technique, which allows the manipulation of objects inside a translucent volume at high frame rates. Due to the asynchronous nature of multi-frame rate rendering artifacts may occur during the migration of objects from the slow to the fast graphics card, and vice versa. We show how proper state management can be used to avoid these artifacts almost completely. These techniques were developed in the context of a single-system multi-GPU setup, which considerably simplifies the implementation and increases performance.
ISBN:9781424419715
1424419719
ISSN:1087-8270
DOI:10.1109/VR.2008.4480770