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. -4 H

    Controller to Display Latency in Call of Duty

    This time we'll chat about a presentation given by Akimitsu Hogge, programmer at Activision Central Tech, where he gives a detalied explanation of how they handle controller to display latency in Call of Duty using a technique they call "Dynamic Throttling", designed to optimize the balance between processing the different pipelines and the idle/waiting time within the game engine's various ppelines, while mantaining performance targets like 60 fps. Read the full presentaion here: https://www.activision.com/cdn/research/Hogge_Akimitsu_Controller_to_display.pdf

    17 min

  2. -5 J

    Real-Time Rendering with Light Grid Hierarchy

    Join us for this talk about a paper that presents a technique to facilitate Global Illumination computation in scenes with many lights, using a lighting grid hierarchy. The paper details an efficient way to build this hierarchy, as well as its application in deferred rendering." Read original paper: https://www.cemyuksel.com/research/lgh/real-time_rendering_with_lgh_i3d2019.pdf

    13 min

  3. -6 J

    ReSTIR - Reservoir based Spatio-Temporal Importance Sampling

    In today’s talk, we’ll analyze this paper that introduces ReSTIR, a technique that has gained traction in Ray Tracing. It aims to improve sample distribution by adding multiple candidates to achieve a better-distributed sample, emphasizing the critical role of Multiple Importance Sampling and unbiased weight contributions to maintain accuracy. Read original paper: https://intro-to-restir.cwyman.org/presentations/2023ReSTIR_Course_Notes.pdf

    29 min

  4. 31 JUIL.

    Triangle Visibility Buffer 2.0

    In this session, we’ll look at a 2024 I3D presentation by David Erler from The Forge, where he unveiled the second iteration of their Triangle Visibility Buffer—first introduced in 2013—now with a GPU-centric approach to triangle processing. While the results are encouraging, the method still faces several challenges. See full presentation: https://youtu.be/kWLev9CoQdg?si=yhwSLjDS6Pwhndpv

    23 min

  5. 29 JUIL.

    Skewed Oriented Bounding Boxes for Ray-Tracing

    Today we’re covering a EUROGRAPHICS 2025 paper by M. Kácerik and J. Bittner, where they present a faster way to build BVHs for ray tracing using what they call Skewed Oriented Bounding Boxes, or SOBB.Read full paper: https://dcgi.fel.cvut.cz/projects/sobb/sobb2025.pdf

    19 min

  6. 24 JUIL.

    Realtime Global Illumination In Enshrouded

    Today we’re diving into a Graphics Programming Conference 2025 talk by Jakub Kolesik from King Games, where he shared how they built a system using spatial cascaded caches and SDF ray tracing to handle the fully dynamic and destructible world of Enshrouded, where baked lighting just wouldn’t work. Watch Full Presentation: https://youtu.be/57F1ezwH7Mk?si=u3a8fXXzI5hI6wyy

    25 min

  7. 22 JUIL.

    Diablo IV Ray-Tracing Implementation

    Today we’re breaking down a REAC 2024 talk by Kevin Tadisco from Blizzard, where he shares how they added ray tracing to Diablo IV and the tough balance of keeping the original art direction in a game not made for it. Watch Full Presentation: https://youtu.be/kxXz2PaCwsY?si=Gp-sv_m7QXOnVYg-

    23 min

  8. 17 JUIL.

    Rendering Assassins Creed Shadows

    Today we’re diving into a GDC 2025 talk by Nicolas López from Ubisoft, where he shares how the Anvil Engine has grown to power Assassin’s Creed Shadows, with support for dynamic open worlds, destructible environments, and changing weather and seasons. Watch Full Presentation: https://youtu.be/yj5pYktC3X8?si=AyRT0VP4fB8xSeAM

    30 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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