Ampandheaust
239b1d25b0
Keep hot render state in a generic shared SOA arena and use worker messages only for allocation, graph compilation, loadout changes, and render pacing. Compile external S-expression graphs into upfront WebGPU resources, transient aliases, and reusable render bundles. Amp-Thread-ID: https://ampcode.com/threads/T-01a01380-b478-77d0-84a0-102880a5c5ae Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
54 lines
1.6 KiB
Rust
54 lines
1.6 KiB
Rust
pub struct Wgpu {
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_instance: wgpu::Instance,
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pub surface: wgpu::Surface<'static>,
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pub device: wgpu::Device,
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pub queue: wgpu::Queue,
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pub config: wgpu::SurfaceConfiguration,
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pub format: wgpu::TextureFormat,
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pub width: u32,
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pub height: u32,
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}
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impl Wgpu {
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pub async fn new(canvas: web_sys::OffscreenCanvas) -> Result<Self, String> {
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let width = canvas.width();
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let height = canvas.height();
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if width == 0 || height == 0 {
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return Err("CANVAS_SIZE".into());
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}
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let instance = wgpu::Instance::new(&wgpu::InstanceDescriptor {
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backends: wgpu::Backends::BROWSER_WEBGPU,
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..Default::default()
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});
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let surface = instance
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.create_surface(wgpu::SurfaceTarget::OffscreenCanvas(canvas))
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.map_err(|_| "SURFACE")?;
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let adapter = instance
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.request_adapter(&wgpu::RequestAdapterOptions {
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compatible_surface: Some(&surface),
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..Default::default()
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})
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.await
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.map_err(|_| "WEBGPU_UNAVAILABLE")?;
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let (device, queue) = adapter
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.request_device(&wgpu::DeviceDescriptor::default())
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.await
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.map_err(|_| "DEVICE")?;
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let config = surface
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.get_default_config(&adapter, width, height)
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.ok_or("SURFACE")?;
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let format = config.format;
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surface.configure(&device, &config);
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Ok(Self {
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_instance: instance,
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surface,
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device,
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queue,
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config,
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format,
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width,
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height,
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})
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}
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}
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