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  1. Proceedings of the Fourth ACM SIGGRAPH / Eurographics conference on High-Performance Graphics (EGGH-HPG'12)
  2. Clustered deferred and forward shading
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Design and novel uses of higher-dimensional rasterization
Maximizing parallelism in the construction of BVHs, octrees, and k-d trees
Algorithm and VLSI architecture for real-time 1080p60 video retargeting
Reducing aliasing artifacts through resampling
Adaptive scalable texture compression
Adaptive image space shading for motion and defocus blur
kANN on the GPU with shifted sorting
Power efficiency for software algorithms running on graphics processors
Clustered deferred and forward shading
Parallel patch-based texture synthesis
High-quality parallel depth-of-field using line samples
SRDH: specializing BVH construction and traversal order using representative shadow ray sets
Scalable ambient obscurance
Representing appearance and pre-filtering subpixel data in sparse voxel octrees

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Clustered deferred and forward shading

Content Provider ACM Digital Library
Author Billeter, Markus Assarsson, Ulf Olsson, Ola
Abstract This paper presents and investigates Clustered Shading for deferred and forward rendering. In Clustered Shading, view samples with similar properties (e.g. 3D-position and/or normal) are grouped into clusters. This is comparable to tiled shading, where view samples are grouped into tiles based on 2D-position only. We show that Clustered Shading creates a better mapping of light sources to view samples than tiled shading, resulting in a significant reduction of lighting computations during shading. Additionally, Clustered Shading enables using normal information to perform per-cluster back-face culling of lights, again reducing the number of lighting computations. We also show that Clustered Shading not only outperforms tiled shading in many scenes, but also exhibits better worst case behaviour under tricky conditions (e.g. when looking at high-frequency geometry with large discontinuities in depth). Additionally, Clustered Shading enables real-time scenes with two to three orders of magnitudes more lights than previously feasible (up to around one million light sources).
Starting Page 87
Ending Page 96
Page Count 10
File Format PDF
ISBN 9783905674415
ISSN 20798679
DOI 10.2312/EGGH/HPG12/087-096
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2012-06-25
Publisher Place Goslar
Access Restriction Subscribed
Content Type Text
Resource Type Article
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