corysama

13 ms·

181.
by corysama 1y ago
If you lay out a cubemap as a 2d texture that looks literally like https://www.turais.de/content/images/size/w1000/2021/05/Stan... it's not hard, given the VU1-based triangle processing (l
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by corysama 1y ago
Around the end of the PS2’s lifetime, some engine dev friends of mine figure out to do palletized spherical harmonic lighting on the PS2. That was pretty straightforward. What was tricky was a separate technique to get real cubemaps working
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by corysama 1y ago
So, is there some amount of gradient-based optimization going on here? I see RGBD input, transmission, RGBD output. But, other than multi-camera registration, it's difficult to determine what processing took place between input and tra
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by corysama 1y ago
So, I see livesplat_realsense.py imports livesplat. Where’s livesplat?
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by corysama 1y ago
Also, "Evidence that the shingles vaccine prevents a good chunk of dementia cases" https://news.ycombinator.com/item?id=36083620 has recently been in the news again "Study strengthens link between shingles va
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by corysama 1y ago
Everyone forgets what machines are capable of if you actually optimize. This game did everything shown here in real time on phones 14 years ago https://youtu.be/JDvPIhCd8N4
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by corysama 1y ago
A different look at the program structure of Adventure https://benfry.com/distellamap/ ;)
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by corysama 1y ago
There are active Discords for "Vulkan", "DirectX" and "Graphics Programming". https://gamedev.net/forums/ is the classic hang-out spot.
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by corysama 1y ago
Newbies showing off their first triangle are welcome over in r/gameenginedevs/ and r/GraphicsProgramming/ :)
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by corysama 1y ago
Yep. We’re in a situation where C-like languages couple layout and access interface very tightly. But, now cache is such an overriding issue in optimization, you really want to rapidly experiment with different layouts without rewriting you
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by corysama 1y ago
How large is "Large"? Are we testing on Unreal Engine? :D
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by corysama 1y ago
In the https://benfry.com/distellamap/ for Adventure, you can see the "Created By" easter egg plainly in the sprite data :)
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by corysama 1y ago
Article assumes the reader already knows what “microtransit” refers to. It goes into detail about microtransit’s political wins without explaining what it is or what practical advantages/disadvantages it provides.
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by corysama 1y ago
Professional high-performance C++ game engine dev here. At a glance, their game looks great. But, to be frank, it also looks like it could have been made in the DOS era with sufficient effort. Going hard with Rust ECS was not the appropriat
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by corysama 1y ago
Is free cheap enough ;) https://omnisvg.github.io/ https://huggingface.co/OmniSVG
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by corysama 1y ago
I swear I remember reading in the 80s about the Air Force having monochrome VR goggles consisting of a per-eye laser, magnetic oil lens for per-pixel depth focus, two perpendicular rotating mirrors for the raster scan and a curved glass len
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by corysama 1y ago
5/8” of that was ads. But, before the consumer internet, those ads were as interesting and valuable to readers as the articles.
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by corysama 1y ago
Here's a decent 21 min mini-doc on the birth and death of Fry's https://www.youtube.com/watch?v=pu2uAKc37jI Personally, visiting friends in California and them taking me to Fry's fir the first time was an exp
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by corysama 1y ago
The 1:1 straight-line behavior of fullscreen post processing is much easier to prefetch than triangle rasterization. And, in this case the SPUs and GPU used the same memory. So, no bandwidth advantage to the GPU. The best the GPU could do w
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by corysama 1y ago
With an SPU's 256K local memory and DMA, the ideal way to use the SPU was to split the local memory into 6 sections: code, local variables, DMA in, input, output, DMA out. That way you could have async DMA in parallel in both direction
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by corysama 2y ago
I don't know where you are located. But, in my experience living in a major city you can walk past 1000 perfectly nice people in a day and also one or two jerks. Who do you remember five days later? Do you remember Nice Person #385? In
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by corysama 2y ago
Great work! They'd love to see this over in https://old.reddit.com/r/GaussianSplatting/ :) In your observation, is this technique restricted to static geometry? Or, is there a clear path to rendering a skinne
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by corysama 2y ago
My grandfather saw that computers were going to be important. So, he got me a Commodore64. Inflation adjusted, that was probably a $600 gift for an 8 year old. I tried copying the code from the magazines. But, it didn't click until tha
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by corysama 2y ago
The entire argument against ASCII Delimited Text boils down to "No one bothered to support it in popular editors back in 1984. Because I grew up without it, it is impossible to imagine supporting it today." You need 4 new keyboard
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by corysama 2y ago
<user corysama squawks indignantly and flies away...>
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by corysama 2y ago
> I think probably people will also use LLMs to debug. I don’t have a link handy, but someone has already set up a service that’s “JS time travel debugger + LLM that knows how to use it” Pretty sure it was a Show HN recently.
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by corysama 2y ago
The lens page https://store.bigscreenvr.com/products/prescription-lens-ins... ? asks for SPH and CYL. My understanding is that CYL is your level of astigmatism. All available VR headsets have a fixed focal distance, usu
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by corysama 2y ago
The bit that's not obvious is how the low weight and short leverage of the headset affects lag. When you are wearing a heavy headset that extends far from your face, it's not just the rendering latency and screen latency that affe
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by corysama 2y ago
Announcement video: https://www.youtube.com/watch?v=QBQzViR4xU4
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by corysama 2y ago
Oh crap. This is from the Eve folks? That was one of those projects where everyone got excited about how new and powerful it was. Then continued programming in PHP out of inertia.

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