Posts by Eric Heitz

Procedural Stochastic Texturing in Unity

+1 February 14, 201935

Have you ever tried using tileable textures to cover large surfaces or add fine-scale detail to your meshes? If so, you’re probably familiar... Read more

Microfacet-based Normal Mapping for Robust Monte Carlo Path Tracing

October 2, 2017

Vincent Schüssler (KIT), Eric Heitz (Unity Technologies), Johannes Hanika (KIT) and Carsten Dachsbacher (KIT) ACM SIGGRAPH ASIA 2017 ... Read more

Real-Time Line- and Disk-Light Shading with Linearly Transformed Cosines

July 21, 2017

Eric Heitz (Unity Technologies) and Stephen Hill (Lucasfilm) ACM SIGGRAPH Courses 2017 Abstract We recently introduced a new real-tim... Read more

A Spherical Cap Preserving Parameterization for Spherical Distributions

May 9, 2017

Jonathan Dupuy, Eric Heitz and Laurent Belcour ACM SIGGRAPH 2017 Abstract We introduce a novel parameterization for spherical distr... Read more

Linear-Light Shading with Linearly Transformed Cosines

April 17, 2017

Eric Heitz (Unity Technologies) and Stephen Hill (Lucas film) Book chapter in GPU Zen Abstract We recently introduced a new real-time... Read more

Analytical Calculation of the Solid Angle Subtended by an Arbitrarily Positioned Ellipsoid to a Point Source

February 8, 2017

Nuclear Instruments and Methods in Physics Research We present a geometric method for computing an ellipse that subtends the same solid-a... Read more

Additional Progress Towards the Unification of Microfacet and Microflake Theories

August 23, 2016

Jonathan Dupuy (Unity Technologies), Eric Heitz (Unity Technologies) and Eugene d'Eon (8i) EGSR 2016 (Experimental Ideas & Implementa... Read more

Real-Time Area Lighting: a Journey from Research to Production

August 3, 2016

Real-time area lighting has been a long-running quest in games, with many avenues (and dead ends!) explored, but recent research has provide... Read more

Real-Time Polygonal-Light Shading with Linearly Transformed Cosines

May 26, 2016

 Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt ACM SIGGRAPH 2016 Motivation Shading with area lights adds a great deal of re... Read more