SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
Light-water interaction using backward beam tracing
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Method of displaying optical effects within water using accumulation buffer
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
Shadow algorithms for computer graphics
SIGGRAPH '77 Proceedings of the 4th annual conference on Computer graphics and interactive techniques
Ray tracing on programmable graphics hardware
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Interactive global illumination using fast ray tracing
EGRW '02 Proceedings of the 13th Eurographics workshop on Rendering
Interactive Rendering of Globally Illuminated Glossy Scenes
Proceedings of the Eurographics Workshop on Rendering Techniques '97
Beam tracing polygonal objects
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
Photon mapping on programmable graphics hardware
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
Linear algebra operators for GPU implementation of numerical algorithms
ACM SIGGRAPH 2003 Papers
High-Quality Point-Based Rendering on Modern GPUs
PG '03 Proceedings of the 11th Pacific Conference on Computer Graphics and Applications
Interactive Caustics Using Local Precomputed Irradiance
PG '04 Proceedings of the Computer Graphics and Applications, 12th Pacific Conference
An approximate image-space approach for interactive refraction
ACM SIGGRAPH 2005 Papers
Acceleration Techniques for GPU-based Volume Rendering
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Interactive rendering of caustics using interpolated warped volumes
GI '05 Proceedings of Graphics Interface 2005
Interactive image-space refraction of nearby geometry
GRAPHITE '05 Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia
Interactive image-space techniques for approximating caustics
I3D '06 Proceedings of the 2006 symposium on Interactive 3D graphics and games
Caustics Mapping: An Image-Space Technique for Real-Time Caustics
IEEE Transactions on Visualization and Computer Graphics
Realtime caustics using distributed photon mapping
EGSR'04 Proceedings of the Fifteenth Eurographics conference on Rendering Techniques
Simulating photon mapping for real-time applications
EGSR'04 Proceedings of the Fifteenth Eurographics conference on Rendering Techniques
A simple and flexible volume rendering framework for graphics-hardware-based raycasting
VG'05 Proceedings of the Fourth Eurographics / IEEE VGTC conference on Volume Graphics
Interactive refractions with total internal reflection
GI '07 Proceedings of Graphics Interface 2007
Proceedings of the 2008 symposium on Interactive 3D graphics and games
Interactive relighting of dynamic refractive objects
ACM SIGGRAPH 2008 papers
Depicting procedural caustics in single images
ACM SIGGRAPH Asia 2008 papers
Hardware-accelerated global illumination by image space photon mapping
Proceedings of the Conference on High Performance Graphics 2009
Interactive volume caustics in single-scattering media
Proceedings of the 2010 ACM SIGGRAPH symposium on Interactive 3D Graphics and Games
Line space gathering for single scattering in large scenes
ACM SIGGRAPH 2010 papers
A comprehensive theory of volumetric radiance estimation using photon points and beams
ACM Transactions on Graphics (TOG)
Proceedings of the 2011 SIGGRAPH Asia Conference
The State of the Art in Interactive Global Illumination
Computer Graphics Forum
Interactive cloud rendering using temporally-coherent photon mapping
Proceedings of Graphics Interface 2012
State of the art in photon density estimation
ACM SIGGRAPH 2012 Courses
Graphics Interaction: Interactive cloud rendering using temporally coherent photon mapping
Computers and Graphics
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Recent advances in algorithms and graphics hardware have opened the possibility to render caustics at interactive rates on commodity PCs. This paper extends on this work in that it presents a new method to directly render caustics on complex objects, to compute one or several refractions at such objects and to simulate caustics shadowing. At the core of our method is the idea to avoid the construction of photon maps by tracing photons in screen-space on programmable graphics hardware. Our algorithm is based on the rasterization of photon paths into texture maps. Intersection events are then resolved on a per-fragment basis using layered depth images. To correctly spread photon energy in screen-space we render aligned point sprites at the diffuse receivers where photons terminate. As our method does neither require any pre-processing nor an intermediate radiance representation it can efficiently deal with dynamic scenery and scenery that is modified, or even created on the GPU.