Rendering antialiased shadows with depth maps
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
Hierarchical Z-buffer visibility
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
A model of visual masking for computer graphics
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Real-time rendering
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Perceiving Spatial Relationships in Computer-Generated Images
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Casting curved shadows on curved surfaces
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Scalable interactive volume rendering using off-the-shelf components
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Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
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EGRW '02 Proceedings of the 13th Eurographics workshop on Rendering
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An optimized soft shadow volume algorithm with real-time performance
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A geometry-based soft shadow volume algorithm using graphics hardware
ACM SIGGRAPH 2003 Papers
ACM SIGGRAPH 2003 Papers
Penumbra maps: approximate soft shadows in real-time
EGRW '03 Proceedings of the 14th Eurographics workshop on Rendering
Rendering fake soft shadows with smoothies
EGRW '03 Proceedings of the 14th Eurographics workshop on Rendering
Shadow Generation Using Discretized Shadow Volume in Angular Coordinates
PG '03 Proceedings of the 11th Pacific Conference on Computer Graphics and Applications
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GI '05 Proceedings of Graphics Interface 2005
The irregular Z-buffer: Hardware acceleration for irregular data structures
ACM Transactions on Graphics (TOG)
Interactive image-space techniques for approximating caustics
I3D '06 Proceedings of the 2006 symposium on Interactive 3D graphics and games
I3D '06 Proceedings of the 2006 symposium on Interactive 3D graphics and games
Glift: Generic, efficient, random-access GPU data structures
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Generalized linear perspective shadow map reparameterization
Proceedings of the 2006 ACM international conference on Virtual reality continuum and its applications
Dynamic adaptive shadow maps on graphics hardware
SIGGRAPH '05 ACM SIGGRAPH 2005 Sketches
Proceedings of the 2007 symposium on Interactive 3D graphics and games
GI '07 Proceedings of Graphics Interface 2007
Practical logarithmic rasterization for low-error shadow maps
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Realistic soft shadows by penumbra-wedges blending
GH '06 Proceedings of the 21st ACM SIGGRAPH/EUROGRAPHICS symposium on Graphics hardware
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MIG '09 Proceedings of the 2nd International Workshop on Motion in Games
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I3D '11 Symposium on Interactive 3D Graphics and Games
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EGSR'04 Proceedings of the Fifteenth Eurographics conference on Rendering Techniques
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EGSR'04 Proceedings of the Fifteenth Eurographics conference on Rendering Techniques
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Warping and partitioning for low error shadow maps
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EGSR'06 Proceedings of the 17th Eurographics conference on Rendering Techniques
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Proceedings of the 18th meeting of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
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Shadow maps provide a fast and convenient method of identifying shadows in scenes but can introduce aliasing. This paper introduces the Adaptive Shadow Map (ASM) as a solution to this problem. An ASM removes aliasing by resolving pixel size mismatches between the eye view and the light source view. It achieves this goal by storing the light source view (i.e., the shadow map for the light source) as a hierarchical grid structure as opposed to the conventional flat structure. As pixels are transformed from the eye view to the light source view, the ASM is refined to create higher-resolution pieces of the shadow map when needed. This is done by evaluating the contributions of shadow map pixels to the overall image quality. The improvement process is view-driven, progressive, and confined to a user-specifiable memory footprint. We show that ASMs enable dramatic improvements in shadow quality while maintaining interactive rates.