Adding global illumination to my game engine w/ DDGI [Voxel Devlog #23]

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Dynamic diffuse global illumination (DDGI) is an ingenious algorithm that can simulate an infinite number of light bounces! In this video, I discuss how I implemented DDGI in my voxel engine. This includes how the engine spawns probes, manages their memory, and computes the lit color of voxels each frame.

Papers on DDGI:
"Dynamic Diffuse Global Illumination with Ray-Traced Irradiance Fields" by Majercik et. al
"Scaling Probe-Based Real-Time Dynamic Global Illumination for Production" by Majercik et. al
"Improving Probes in Dynamic Diffuse Global Illumination" by Rohacek

Music used in the video:
Corbyn Kites - Birds
8-Bit Lofi Lounge - Calm Frutiger Aero Lofi
Corbyn Kites - The Decision
Chris Doerksen - The Feeling
Fred Mug - Begin Dusk