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. 2 天前

    Lumen and the Evoution of Computer Graphics Illumination

    Today, we will talk about an educational video presented by Markitekta, which analyzes the evolution of computer lighting. It covers everything from 1990s rasterization with Toy Story to how Lumen works in Unreal Engine 5. The video explains fundamental concepts like ray-tracing, path-tracing, and the Monte Carlo approximation. Finally, it shows how these innovations enable the calculation of global illumination in real time, transforming a process that used to take hours into just milliseconds. Watch full video: https://www.youtube.com/watch?v=XIxKo8k81XY Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    54 分鐘

  2. 6月24日

    Texture Space Caching and Reconstruction for Ray Tracing

    Today, we are going to talk about this paper that will be presented at SIGGRAPH ASIA 2026, where the authors—Jacob Munkberg, Jon Hasselgren, Petrik Clarberg, Magnus Andersson, and Tomas Akenine-Möller—present a technique that decouples shading from screen pixels, saving computational resources and reducing noise when applying Monte Carlo Ray Tracing. Read full paper: https://fileadmin.cs.lth.se/graphics/research/papers/2016/txspace/txspace.pdf Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    48 分鐘

  3. 6月17日

    Wave Tracng - Generalizing the Path Integral to Wave Optics

    Today, we are going to talk about the presentation given by Shlomi Steinberg and Matt Pharr at EUROGRAPHICS 2026. In it, they explain how the wave nature of light and its propagation and diffraction of electromagnetic fields are crucial for simulating many phenomena; however, wave simulation is more complex than classic ray-based models. Therefore, in this presentation, they introduce a bilinear generalization of the path integral to model wave light transport and the interference between paths. Watch full presentation: https://www.youtube.com/watch?v=Xolb8DcrbLc Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    32 分鐘

  4. 6月11日

    Path Tracing at 200mph in F1 2025

    Today, we will talk about a presentation by Tom Hammersley, Principal Engineer at EA Codemasters, during the Game Developers Conference 2025. In this talk, he details how they implemented path tracing for F1 25 in less than a year using their in-house Ego engine, unifying various lighting systems into a single algorithm. He also shares some practical solutions for managing thousands of simultaneous lights without sacrificing performance by utilizing ReSTIR and ReGIR. Read full presentation notes: https://gdcvault.com/play/1035693/EA-Sports-F1-25-Path Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    22 分鐘

  5. 6月4日

    Reflecting about a decade of SEED

    This time we will talk about the presentation given by Colin Barré-Brisebois from SEED, the R&D division of Electronic Arts, during the Graphics Programming Conference 2025. In this talk, he shares his reflections on the department's 10 years of existence, covering both the strategic aspect of balancing high-risk projects with practical applications, and the collaborative culture needed to turn experimental prototypes into robust production tools for games such as Battlefield and EA Sports FC. Watch full presentation here: https://www.youtube.com/watch?v=XNAZu3nFB5k Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    28 分鐘

  6. 5月27日

    Upscaling techniques in Warhammer 40,000 and RoadCraft

    Today we are going to talk about this presentation given by Ruslan Kutdosov, Senior Rendering Programmer at Saber Interactive, on behalf of his colleague Kirill Alekseenko (Render Tech Lead) during the Graphics Programming Conference 2025. In it, they share their experience integrating upscaling techniques such as FSR, DLSS, and XeSS into the current iteration of their engine used for Warhammer 40,000: Space Marine 2, as well as RoadCraft. Watch full presentation: https://www.youtube.com/watch?v=4IwDr6Zd6YM Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    54 分鐘

  7. 5月14日

    GPU Driven Rendering of Factions on Meta Quest 2 and 3

    Today, we will talk about this presentation given by Lucas Miguel Antunes da Silva, Graphics Programmer at Davsh Graphics Programming, during Vulkanized 2026. He discusses the development of Factions, a voxel-based VR game for Meta Quest 2 and 3, explaining how they overcame the bandwidth and memory limitations of mobile processors using occlusion and geometry culling techniques directly on the graphics hardware. Watch full presentation here: https://www.youtube.com/watch?v=H39hUNiweYg Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    30 分鐘

  8. 5月6日

    A look into Teardown's render engine before and after

    Today we will talk about the presentation given by Dennis Gustafson and Gabe Rundlet from Tuxedo Labs during the Graphics Programming Conference 2025. In it, they explain how the engine's initial design overcame OpenGL's limitations for simulating lighting in fully destructible environments using Shadow Volumes and 3D Bitmaps, as well as their subsequent transition to Vulkan and the use of Ray-Tracing, which allowed for more efficient memory management. Watch full presentation: https://www.youtube.com/watch?v=IM1Dr98f3xU Original Copyright Free Music written, performed, and produced by TrackTribe https://www.youtube.com/watch?v=HK9z2cR8nlM&list=PLFEJ2E5exsjrjRzhJdOYOmTlcYfK3Hz7_

    53 分鐘
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簡介

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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