| 19 Oct 2021 |
 crusoe | It's just a pile of shaders. The problem for the webgl version was slicing speed ( limits on how quickly webgl will draw a scene, no way to synchronize and know when a frame is done ) and the tooling changing all the damn time. Never mind ui | 02:48:21 |
 Ralith | ooh, fun | 02:49:42 |
| Ralith | using the stencil buffer to compute slices? | 02:49:46 |
| crusoe | Just drawing black or white for inside/outside faces and if a mesh is self instersecting using another texture to store in/out intersection tests via additive blending. I discard things above a certain Z value to make a slice. | 02:58:04 |
| crusoe | Then you can run erosion to do shelling, with some other tricks to properly handle it along the z axis so you get good thickness. | 02:59:31 |
| Ralith | do you handle nonconvex shapes? | 03:03:08 |
| crusoe | I also have a Jason serial port server I've been working on for years because no real reason to finish it. Its a rust version of spjs and I had a working sync/threaded version and I've been slowly working on finishing the async hyper/tungstenite version. Just gotta finish splitting the websocket streams and wiring those up... | 03:03:40 |
| crusoe | ER JSON serial port server. | 03:03:55 |
| crusoe | Er splitting the websocket tx/rx channels. I'd like to eventually do something like io-uring instead of my more brutal serial port code. But that area is still kinda in flux. | 03:05:12 |
 jasperrlz | DLP? | 03:29:48 |
| crusoe | Digital light projector or lcd screen. It doesn't produce g code or vectors so it can't be directly used for SLA systems like form printers. | 03:37:54 |
| jasperrlz | Not quite sure what I know what a "slicer" is in that context | 04:25:22 |
| crusoe | It produces a cross section suitable for use in a lcd resin printer. | 04:48:28 |
|  @photex:matrix.org left the room. | 09:16:28 |
|  TheSirC joined the room. | 15:19:33 |
| 20 Oct 2021 |
 elias02 | Does anyone know, why wgpu::ShaderStages a Struct is, and not a enum? Does it have to be possible to have 2 values simultaneously? C# allows that with enums too. Is that not possible in rust? | 00:03:07 |
| jasperrlz | Quite sure Rust enums are exclusive | 00:04:54 |
|  hector-crean joined the room. | 00:05:42 |
| elias02 | Thanks | 00:07:07 |
 kvark | ShaderStages is a bit set | 00:19:23 |
| kvark | we have many of those, generated by bit flags crate | 00:19:50 |
| elias02 | Thanks | 01:11:32 |
| crusoe | Rust enums are not C#/C/Java enums. | 01:21:13 |
| elias02 | I am once again asking for your knowledgeable support : ) if i do
[[ group(0), binding(0)]]
var t_diffuse: texture_2d<f32>;
What does the f32 do to the texture_2d? Does it make it a coordinate pair in the texture with the dimensions having the type f32 or is the texture_2d for something else entirely? | 01:25:14 |
 cwfitzgerald | It means all the values you get out of the texture are f32s | 01:30:42 |
| cwfitzgerald | The texture format has to match with that | 01:31:08 |
| elias02 | Ah, ok thanks | 01:59:36 |
|  theziggurat joined the room. | 05:18:45 |
| theziggurat | Hi everyone, is this not a good place to bring up wgpu typescript implementation? | 05:19:26 |
| theziggurat | im trying to port my code from rust and I'm having a few issues | 05:19:40 |
