research-article

Multiresolution splatting for indirect illumination

Authors:

Chris WymanAuthors Info & Claims

I3D '09: Proceedings of the 2009 symposium on Interactive 3D graphics and games

Pages 83 - 90

https://doi.org/10.1145/1507149.1507162

Published: 27 February 2009 Publication History

Abstract

Global illumination provides a visual richness not achievable with the direct illumination models used by most interactive applications. To generate global effects, numerous approximations attempt to reduce global illumination costs to levels feasible in interactive contexts. One such approximation, reflective shadow maps, samples a shadow map to identify secondary light sources whose contributions are splatted into eye-space. This splatting introduces significant overdraw that is usually reduced by artificially shrinking each splat's radius of influence. This paper introduces a new, multi-resolution approach for interactively splatting indirect illumination. Instead of reducing GPU fill rate by reducing splat size, we reduce fill rate by rendering splats into a multi-resolution buffer. This takes advantage of the low-frequency nature of diffuse and glossy indirect lighting, allowing rendering of indirect contributions at low resolution where lighting changes slowly and at high resolution near discontinuities. Because this multi-resolution rendering occurs on a per-splat basis, we can significantly reduce fill rate without arbitrarily clipping splat contributions below a given threshold---those regions simply are rendered at a coarse resolution.

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Cited By

Gadia DLombardo VMaggiorini DNatilla A(2024)Implementing Many-Lights Rendering with IES-Based LightsApplied Sciences10.3390/app1403102214:3(1022)Online publication date: 25-Jan-2024
https://doi.org/10.3390/app14031022
Lambru CMorar AMoldoveanu FAsavei VMoldoveanu A(2021)Comparative Analysis of Real-Time Global Illumination Techniques in Current Game EnginesIEEE Access10.1109/ACCESS.2021.31096639(125158-125183)Online publication date: 2021
https://doi.org/10.1109/ACCESS.2021.3109663
Wang LLi RShi XYan LLi Z(2020)Foveated Instant Radiosity2020 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)10.1109/ISMAR50242.2020.00017(1-11)Online publication date: Nov-2020
https://doi.org/10.1109/ISMAR50242.2020.00017
Show More Cited By

Index Terms

Multiresolution splatting for indirect illumination
1. Computing methodologies
  1. Computer graphics
    1. Graphics systems and interfaces
      1. Graphics processors
    2. Image manipulation
      1. Texturing

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Published In

cover image ACM Conferences

I3D '09: Proceedings of the 2009 symposium on Interactive 3D graphics and games

February 2009

253 pages

ISBN:9781605584294

DOI:10.1145/1507149

Conference Chairs:
Eric Haines
Autodesk, Inc.
,
Morgan McGuire
Williams College
,
Daniel G. Aliaga
Purdue University
,
Manuel M. Oliveira
Universidade Federal do Rio Grande do Sul - UFRGS

Copyright © 2009 ACM.

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Published: 27 February 2009

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I3D '09

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I3D '09: Symposium on Interactive 3D Graphics and Games

February 27 - March 1, 2009

Massachusetts, Boston

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Overall Acceptance Rate 148 of 485 submissions, 31%

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Cited By

Gadia DLombardo VMaggiorini DNatilla A(2024)Implementing Many-Lights Rendering with IES-Based LightsApplied Sciences10.3390/app1403102214:3(1022)Online publication date: 25-Jan-2024
https://doi.org/10.3390/app14031022
Lambru CMorar AMoldoveanu FAsavei VMoldoveanu A(2021)Comparative Analysis of Real-Time Global Illumination Techniques in Current Game EnginesIEEE Access10.1109/ACCESS.2021.31096639(125158-125183)Online publication date: 2021
https://doi.org/10.1109/ACCESS.2021.3109663
Wang LLi RShi XYan LLi Z(2020)Foveated Instant Radiosity2020 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)10.1109/ISMAR50242.2020.00017(1-11)Online publication date: Nov-2020
https://doi.org/10.1109/ISMAR50242.2020.00017
Zhang BOh K(2020)Indirect illumination with efficient monte carlo integration and denoisingMultimedia Tools and Applications10.1007/s11042-020-09884-580:7(10167-10185)Online publication date: 17-Nov-2020
https://doi.org/10.1007/s11042-020-09884-5
Milaenen DBelcour LGuertin JHachisuka TNowrouzezahrai DTagliasacchi ATeather R(2019)A Frequency Analysis and Dual Hierarchy for Efficient Rendering of Subsurface ScatteringProceedings of the 45th Graphics Interface Conference10.20380/GI2019.03(1-7)Online publication date: 1-Jun-2019
https://dl.acm.org/doi/10.20380/GI2019.03
Meder JBrüderlin BDachsbacher CJakob W(2018)Screen space approximate gaussian hullsProceedings of the Eurographics Symposium on Rendering: Experimental Ideas & Implementations10.2312/sre.20181177(107-115)Online publication date: 1-Jul-2018
https://dl.acm.org/doi/10.2312/sre.20181177
Krösl KLuksch CSchwärzler MWimmer MHullin MKlein RSchultz TYao A(2017)LiteMakerProceedings of the conference on Vision, Modeling and Visualization10.2312/vmv.20171253(1-8)Online publication date: 25-Sep-2017
https://dl.acm.org/doi/10.2312/vmv.20171253
Hofmann NBogendörfer PStamminger MSelgrad KMcGuire MPatney A(2017)Hierarchical multi-layer screen-space ray tracingProceedings of High Performance Graphics10.1145/3105762.3105781(1-10)Online publication date: 28-Jul-2017
https://dl.acm.org/doi/10.1145/3105762.3105781
Chen YChen YChien S(2017)Quantizing Intersections Using Compact VoxelsComputer Graphics Forum10.1111/cgf.1285536:6(76-85)Online publication date: 1-Sep-2017
https://dl.acm.org/doi/10.1111/cgf.12855
Selgrad KMüller JReintges CStamminger MManzke MEisemann EFiume E(2016)Fast shadow map rendering for many-lights settingsProceedings of the Eurographics Symposium on Rendering: Experimental Ideas & Implementations10.5555/3056507.3056516(41-47)Online publication date: 22-Jun-2016
https://dl.acm.org/doi/10.5555/3056507.3056516
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