Cannot build on Ubuntu due to linking errors

[pezcode]

Cannot build on Ubuntu due to linking errors

[pezcode]

Glad you got it working 🙌

As for performance... this isn't quite as optimized as it could be 🤠 It's a hobby project that largely emphasizes readability over performance, and van Oosten's implementation has some significant changes. Most importantly, he culls lights against the camera frustum with a BVH before sorting them into clusters, avoiding a bunch of work.

I could add this kind of stuff, but it's not all that interesting to me, and I'm finding it hard to find the free time these days.

Since the original issue seems to be gone, I'll close this issue. Feel free to re-open if any Ubuntu issues are left.

[clibequilibrium]

@alexpanter you might try to bump bgfx.cmake version to the latest. You will have to change couple lines of code as BGFX_DISCARD_TEXTURE_SAMPLERS changed to BGFX_DISCARD_BINDINGS

[pezcode]

That's odd since bgfx uses a bundled spirv-tools that it compiles itself. I don't have access to a Linux machine for the next two weeks, so I'm afraid I can't help you debug this for the time being.

Upgrading bgfx.cmake as @clibequilibrium suggested may help, but it's likely that the shaders also need changes. At some point I should upgrade those dependencies 👀

[alexpanter]

I tried this on another linux machine, also with ubuntu 21, and it worked fine. So something's likely wrong with the machine. Looks good.

But my desktop GPU (NVIDIA Geforce GTX 680, 2GB RAM) isn't too happy about it - 11ms render time for 1000 lights doesn't sound too good, maybe the computer is just too old? (bought in 2011).
At least from what I can tell by looking at Jeremiah van Oosten's presentation that shouldn't be too much.