I am delighted to announce that Ray Tracing Gems II is available *now* and is *free* to download! 7 sections. 50 chapters. 90 authors from across the globe.
Download #RTGII here: link.springer.com/book/10.1007/9
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Adam Marrs
@acmarrs
Graphics and video games. Principal Graphics Engineer at NVIDIA. Computer Science PhD. Thoughts here are my own.
visualextract.comJoined April 2010
Adam Marrs’s Tweets
The online version of PBRT 3rd Edition now has a dark mode! Great for your 👀and 🧠.
Check it out: pbr-book.org/3ed-2018/conte
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Yep. Excellent. jeremyong.com/game%20engines
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Returnal comes to PC on Feb 15th with ray tracing, NVIDIA DLSS, and NVIDIA NIS!
#RTXOn
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Read our provided guidelines for building a #raytracing rendering pipeline with a focus on both GPU and CPU performance, which can include adding NVIDIA Micro-mesh technologies and Shader Execution Reordering (SER).
#RTX
#GameDev
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SCRATCHAPIXEL 3.0 is finally online. All content moved to GitHub. New design. Content moved to GitHub and revised. Still WIP but good enough to be launched. Thank you to every person who believed in the project and made a donation. HAPPY NEW YEAR!!! scratchapixel.com
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RTXGI SDK v1.3.5 is out now.
This update includes:
- A new Probe Variability feature that estimates convergence (to intelligently disable updates when the light field is stable)
- Shader Execution Reordering (SER)
- A handful of improvements and fixes
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Warhammer 40,000: Darktide is out now, including indirect lighting with RTXGI!
We're gonna need more Rejects.
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NVIDIA and have collaborated to develop GDeflate, a GPU-optimized compression technology, for DirectStorage 1.1.
Read more about NVIDIA's implementation of GDeflate, RTX IO, and see how you can get started today.
#GameDev
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Want to build the future of real time graphics? The team I'm part of has a rare open spot for a Senior Software Engineer: nvidia.wd5.myworkdayjobs.com/en-US/NVIDIAEx
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The NVAPI SDK with support for Shader Execution Reordering is now available for download: developer.nvidia.com/gameworksdownl
Don't forget to check out the whitepaper if you haven't: developer.nvidia.com/sites/default/
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RTXGI SDK v1.3.0 is out now.
This is a big update that includes:
- Dynamic library support
- D3D12 SM6.6 bindless support
- Large improvements to probe count limits and memory use
- Improved GPU utilization, API simplifications, and bug fixes
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For even more SER goodness, check out the whitepaper: developer.nvidia.com/sites/default/
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Learn how to increase the coherence and performance of ray tracing workloads with Ada's Shader Execution Reordering in this blog post from my teammates and :
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Just announced, Portal RTX is a new remaster from NVIDIA Lightspeed Studios in collaboration with Valve. Packs a lot of modern ray tracing tech and some unique features to make RT work with portals.
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Metal Hellsinger is out now! I’m ripping and tearing to the brutal double kick pulse. Great job !
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This is exactly how I'd teach graphics right now. Kudos for leaning into intuitive learning resources and making your course material freely available. There has never been a better time to learn graphics💻
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First day of my Fall 2022 Rendering Algorithms class went well. Feel free to follow along even if you are not @dartmouth. All assignments and slides are public. cs87-dartmouth.github.io/Fall2022
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A great article / tool and the inspiration for 's #RTG2 chapter "The Shader Binding Table Demystified" link.springer.com/chapter/10.100
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In case you missed it - there's a very cool online tool to play with with the DXR/VulkanRT shader binding table by @_wusher. Apparently, it's been out for almost 3 years, and I wish I stumbled across it sooner! Link:
willusher.io/graphics/2019/
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What's the difference between direct and indirect lighting? Learn the answer in this blog post from and yours truly.
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Want to learn the difference between direct and indirect lighting?
Dive into our blog and see how the right balance between the two can elevate the photorealism in video games.
#GameDev
#RTX nvda.ws/3zxfand
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Ray Tracing Gems II released 1 year ago, today! Incredibly, the book's content has reached nearly 3 million downloads 🤯. A big thank you to all the authors and readers!
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I am delighted to announce that Ray Tracing Gems II is available *now* and is *free* to download! 7 sections. 50 chapters. 90 authors from across the globe.
Download #RTGII here: link.springer.com/book/10.1007/9
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The stories of exceptional people who make games - like those at - is why I’m a Patron. This is a must see.
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NEW DOC ALERT 
Our series on the development of Hyper Light Breaker has launched. In our first ep we explore the lives and work of the people at @HeartMachineHQ as they embark on their biggest game yet.
WATCH THE PREMIERE EPISODE:
youtube.com/watch?v=xiK6w1
RT & SHARE PLEEZ
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Great post! "Remember kids: friends don’t let friends read from VRAM on the CPU!" 🤣
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Check out my new blog post if you want to read all about GPU memory pools: therealmjp.github.io/posts/gpu-memo
I talk about how they work on dedicated vs integrated, how to use them in D3D12 (including strategies for uploading from SysRAM -> VRAM), and finish off with some perf tests.
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Starting in 10 minutes!
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Ask me anything! How to get into gfx? How to handle hybrid rendering? What's my Elden Ring build? It's all on the table.
The live AMA is tomorrow July 28th at 10am PST / 1pm EST. If you can't join live, you can drop questions on the forum now!
Go here: nvda.ws/3atuIA1
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Ask me anything! How to get into gfx? How to handle hybrid rendering? What's my Elden Ring build? It's all on the table.
The live AMA is tomorrow July 28th at 10am PST / 1pm EST. If you can't join live, you can drop questions on the forum now!
Go here: nvda.ws/3atuIA1
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I started (full time) at NVIDIA 5 years ago, today! Time flies.
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Want to get a deeper dive into the ray tracing techniques covered in Ray Tracing Gems?
Connect with the authors , , , to get your questions answered at the live #AMA session on July 28. nvda.ws/3atuIA1
#GameDev
#RTX
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I'll be doing a live AMA on July 28th with some (legendary) friends. Come ask us questions!
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Join us for a live AMA with editors of the book series Ray Tracing Gems on July 28th.
This is exclusive to NVIDIA Developer Program members (free to join), don't miss out!
#GameDev
#RTX
#AMA
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After 7 months of tinkering, I've finally pushed a major update to my toy #rustlang #Vulkan renderer `kajiya` 💡🥳
A new dynamic global illumination system using lots of ReSTIR brings larger scenes, quicker response, and less noise ✨
Juicy tech details: github.com/EmbarkStudios/
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RTXGI SDK v1.2.12 is out now.
This release adds support to DDGI probes for 16-bit / channel irradiance along with a variety of fixes and improvements for Linux and CMake.
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Get a deep dive into the foundation of lightning for games with NVIDIA RTXDI, RTXGI, and NRD. Watch this GTC on-demand session to understand the main features of these SDKs and the basics of their integration.
#GameDev
#RTX nvda.ws/3sGCfkW
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Great thread. Be intellectually honest, stick with your goals, and you will be unstoppable. Success isn’t a destination, so enjoy the journey.
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We interrupt your regular programming for a personal story about the impostor syndrome and perseverance.
This image is from around 8 years ago; I had just scrapped a previous toy renderer, and I was making a new one. I got the index buffer wrong, and made this piece of "art".Show this thread
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Watch , , , and work on deploying ray tracing,
Scaling Probe-Based Real-Time Dynamic Global Illumination for Production
presented at #i3d2022 from the livestream at 10:40am PT today:
youtube.com/watch?v=d6eix0
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RTXGI SDK v1.2.11 is out now.
This release includes fixes for scrolling volumes and improvements to image quality and performance. Also, there is an 'sdk only' branch now so you can submodule the SDK code without adding other files or dependencies. Enjoy!
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RTXDI 1.3 is available now, no registration required. It includes a new BRDF sampling mode and Pairwise MIS, greatly improving image quality. Here's a comparison (read clockwise):
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The updated RTX Direct Illumination (RTXDI) delivers better image quality on glossy surfaces. Check out the 1.3 update now. #GDC22
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Inspired by Metro:Exodus' great raytraced GI, I tinkered with its denoising method in my toy engine a bit recently. I wrote a blog post about it, describing the technique at a high level and discussing the results.
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We released the first two chapters of the lessons on volume rendering/ray-marching. It's all fresh so there might be some typos, mistakes. The rest will follow soon.
scratchapixel.com/lessons/advanc
Nice to be back after 5 years of silence.
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