Coffee, Code & Shaders: Real-Time Rendering Conversations

Jacobo Ríos

Grab your favorite mug, pull up a chair, and join us in this cozy corner for a nice conversation on everything graphics programming — with freshly brewed coffee for all game developers passionate about pixels and algorithms.

  1. HACE 12 H

    Volumetric Multi-View Rendering

    Today we will talk about this paper that was presented at EUROGRAPHICS 2022, by Basile Fraboni, Antoine Webanck, Nicolas Bonneel, and Jean-Claude Iehl, from INSA Lyon and Univ Lyon. In it, they propose a new method for efficiently rendering volumetric effects like clouds or smoke in cases where sequences of frames (or multiple camera views) are needed, in which they reuse light paths across different frames, and propose a Multiple Weighted Importance Sampling estimator to handle these contributions from the shared paths.Read full paper: https://bfraboni.github.io/eg2022/data/volmvpt-eg2022-small.pdf Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    15 min

  2. HACE 2 DÍAS

    RayTracing The World of Assasins Creed Shadows

    On this occasion we will talk about this presentation given by Melino Conte and Luc Leblanc from Ubisoft Montreal during SIGGRAPH 2025, in which they discuss the solution they developed for global illumination within their Anvil Engine for Assassin's Creed Shadows, supporting a dynamic and large-scale open world, delving into the decisions they made, as well as the reasoning behind them, and several of the challenges they faced.Watch full presentaion: https://www.youtube.com/watch?v=2K-rwy4aMmU Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    18 min

  3. 30 OCT

    The Evolution of Global Illumination in Overwatch 2

    Today we're going to talk about this presentation by Will Piece, Senior Graphics Programmer at Blizzard Entertainment, that he gave at REAC 2025; where he details the transition of their previous GI solution to a new baked Deep Dynamic Global Illumination (DDGI) approach, which brings scalability across a wide range of hardware and streamlines artists workflows by using a vlume-based system. Watch full presentation: https://www.youtube.com/watch?v=0PlxPCq-DbQ Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    18 min

  4. 28 OCT

    Guerrilla Games UIPainter - Tile-Based Rendering in One Draw Call

    Today we're going to analyze this presentation by Wessel Mast, from Guerrilla Games, during Dev GAMM Game Conference 2024, where he explains the UI framework they developed for games like Horizon Forbidden West, in which they render the whole UI in only one draw-call using Signed Distance Fields (SDFs) and Tile-Based Rendernig to achieve drawing complex UI in under 16 milliseconds. Watch full presentation: https://www.youtube.com/watch?v=U_MnhTuT_l8 Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    16 min

  5. 23 OCT

    Global Illumination, Ray-Tracing and Character creation in Dragon Age: The Veilguard

    Today we're going to discuss about this presentation given by Navjot Garg, Kleber Garcia and Darrin Stewart from Electronic Arts at RACT 2025; focusing on the challenges and architectural decisions behind global illumination, ray-tracing and character creation for the game Dragon Age: The Veilguard. Watch full presentation here: https://www.youtube.com/watch?v=BHflToAhEs8 Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    19 min

  6. 21 OCT

    Volumetric Fog in Enshrouded - Lessons LEarned

    Today we're going to dive into a talk by Lukas Feller, Graphics Programmer of King Games, focusing on the development of volumetric fog effects used in the game Enshrouded; explaining an initial failed attempt using MSAA and the successful second one using TAA, inspired by techniques from games like Read Dead Redemption 2 and the Forstbite engine. Watch full presentation here: https://www.youtube.com/watch?v=OR8HbFnQdlk Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    15 min

  7. 16 OCT

    Resource Management Architecture in 4A Engine

    Today we're going to discuss about this presentation by alexander Gesi, Graphics Programmer of 4A Engine, during REAC 2024; where he explains the improvements made to the rendering engine for Metro Exudus. The discussion focuses on modern approaches like bindless resource models and efficient texture and geometry streaming to support demanding features such as rat-tracing, as well as the custom GPU debugging and inspection tools used. Watch full presentation here: https://www.youtube.com/watch?v=9DDo2IEwiYI Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    14 min

  8. 14 OCT

    Real-Time GPU Tree Generation

    Today we're going to talk about this paper presented during High-Performance Graphics 20025, by Bastian Kuth, Carsten Faber, Seyedmasih Tabaei y Quirin Meyer de la Coburg University of Applied Sciences and Arts, as well as Max Oberberger, Pirmin Pfeifer y Domink Baumeister from AMD, where they introduce a nover procedural system to create and render trees exclusively on GPU using Work Graphs and Mesh Nodes, creating complex Tree geometry using minimal data, and reducing memory footprint. Read Full paper here: https://diglib.eg.org/bitstream/handle/10.2312/hpg20251168/hpg20251168.pdf Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    17 min
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Grab your favorite mug, pull up a chair, and join us in this cozy corner for a nice conversation on everything graphics programming — with freshly brewed coffee for all game developers passionate about pixels and algorithms.

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