Description
import { EventType, WindowBuilder } from "jsr:@divy/[email protected]";
console.log("Hello, World!");
const width = 800;
const height = 600;
const win = new WindowBuilder("Hello, World!", width, height).build();
const adapter = await navigator.gpu.requestAdapter();
if (!adapter) {
console.error("WebGPU not supported!");
Deno.exit(1);
}
const device = await adapter.requestDevice();
/* Returns a Deno.UnsafeWindowSurface */
const surface = win.windowSurface(width, height);
/* Returns a WebGPU GPUCanvasContext */
const context = surface.getContext("webgpu");
context.configure({
device,
format: navigator.gpu.getPreferredCanvasFormat(),
}); // panics here
for await (const event of win.events()) {
if (event.type === EventType.Quit) break;
if (event.type !== EventType.Draw) continue;
// Sine wave
const r = Math.sin(Date.now() / 1000) / 2 + 0.5;
const g = Math.sin(Date.now() / 1000 + 2) / 2 + 0.5;
const b = Math.sin(Date.now() / 1000 + 4) / 2 + 0.5;
const textureView = context.getCurrentTexture().createView();
const commandEncoder = device.createCommandEncoder();
const passEncoder = commandEncoder.beginRenderPass({
colorAttachments: [
{
view: textureView,
clearValue: { r, g, b, a: 1.0 },
loadOp: "clear",
storeOp: "store",
},
],
});
passEncoder.end();
device.queue.submit([commandEncoder.finish()]);
surface.present();
}deno -A --unstable-webgpu a.ts
works with deno 2.1.10
errors with deno 2.2
error: Uncaught (in promise) Error: Surface image is already acquired
surface.present();