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denoland-deno/runtime
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Divy Srivastava 40febd9dd1
feat:: External webgpu surfaces / BYOW (#21835) 
This PR contains the implementation of the External webgpu surfaces /
BYOW proposal. BYOW stands for "Bring your own window".

Closes #21713 

Adds `Deno.UnsafeWindowSurface` ( `--unstable-webgpu` API) to the `Deno`
namespace:

```typescript
class UnsafeWindowSurface {
  constructor(
    system: "cocoa" | "x11" | "win32",
    winHandle: Deno.PointerValue,
    displayHandle: Deno.PointerValue | null
  );
  
  getContext(type: "webgpu"): GPUCanvasContext;

  present(): void;
}
```

For the initial pass, I've opted to support the three major windowing
systems. The parameters correspond to the table below:
| system                      | winHandle  | displayHandle |
| -----------------     | ----------   | ------- |
| "cocoa" (macOS)    | `NSView*`       | - |
| "win32" (Windows) | `HWND`         | `HINSTANCE` |
| "x11" (Linux)            | Xlib `Window` | Xlib `Display*` |

Ecosystem support:

- [x] deno_sdl2 (sdl2) -
[mod.ts#L1209](7e177bc652/mod.ts (L1209))
- [x] dwm (glfw) - https://github.com/deno-windowing/dwm/issues/29
- [ ] pane (winit)

<details>
<summary>Example</summary>

```typescript
// A simple clear screen pass, colors based on mouse position.

import { EventType, WindowBuilder } from "https://deno.land/x/sdl2@0.7.0/mod.ts";

const window = new WindowBuilder("sdl2 + deno + webgpu", 640, 480).build();
const [system, windowHandle, displayHandle] = window.rawHandle();

const adapter = await navigator.gpu.requestAdapter();
const device = await adapter.requestDevice();

const context = Deno.createWindowSurface(system, windowHandle, displayHandle);

context.configure({
  device: device,
  format: "bgra8unorm",
  height: 480,
  width: 640,
});

let r = 0.0;
let g = 0.0;
let b = 0.0;

for (const event of window.events()) {
  if (event.type === EventType.Quit) {
    break;
  } else if (event.type === EventType.Draw) {
    const textureView = context.getCurrentTexture().createView();

    const renderPassDescriptor: GPURenderPassDescriptor = {
      colorAttachments: [
        {
          view: textureView,
          clearValue: { r, g, b, a: 1.0 },
          loadOp: "clear",
          storeOp: "store",
        },
      ],
    };

    const commandEncoder = device.createCommandEncoder();
    const passEncoder = commandEncoder.beginRenderPass(renderPassDescriptor);
    passEncoder.end();

    device.queue.submit([commandEncoder.finish()]);
    Deno.presentGPUCanvasContext(context);
  }

  if (event.type === EventType.MouseMotion) {
    r = event.x / 640;
    g = event.y / 480;
    b = 1.0 - r - g;
  }
}
```

You can find more examples in the linked tracking issue.

</details>

---------

Signed-off-by: Divy Srivastava <dj.srivastava23@gmail.com>
2024-01-19 22:49:14 +05:30
..
examples chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
js feat:: External webgpu surfaces / BYOW (#21835) 2024-01-19 22:49:14 +05:30
ops fix(web): use rustyline for prompt (#21893) 2024-01-11 22:05:55 +01:00
permissions fix(ext/node): add fs.cp, fs.cpSync, promises.cp (#21745) 2024-01-05 18:28:33 +05:30
Cargo.toml chore: forward v1.39.4 release commit to main (#21933) 2024-01-13 20:32:50 -05:00
clippy.toml feat(compile): unstable npm and node specifier support (#19005) 2023-05-10 20:06:59 -04:00
colors.rs perf: don't allocate so much in runtime/colors.rs (#21957) 2024-01-16 14:58:01 +01:00
errors.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
fmt_errors.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
fs_util.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
inspector_server.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
js.rs refactor: remove snapshotting from deno_runtime (#21794) 2024-01-10 16:30:50 +01:00
lib.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
README.md fix (doc): Typo in runtime/README.md (#20020) 2023-12-13 17:24:32 +00:00
shared.rs refactor: remove snapshotting from deno_runtime (#21794) 2024-01-10 16:30:50 +01:00
snapshot.rs fix(ext/node): add fs.cp, fs.cpSync, promises.cp (#21745) 2024-01-05 18:28:33 +05:30
tokio_util.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
web_worker.rs chore: upgrade deno_core to 0.246.0 (#21904) 2024-01-14 18:28:46 -07:00
worker.rs chore: upgrade deno_core to 0.246.0 (#21904) 2024-01-14 18:28:46 -07:00
worker_bootstrap.rs feat: Start warning on each use of a deprecated API (#21939) 2024-01-18 23:30:49 +00:00

README.md

deno_runtime crate

crates docs

This is a slim version of the Deno CLI which removes typescript integration and various tooling (like lint and doc). Basically only JavaScript execution with Deno's operating system bindings (ops).

Stability

This crate is built using battle-tested modules that were originally in the deno crate, however the API of this crate is subject to rapid and breaking changes.

MainWorker

The main API of this crate is MainWorker. MainWorker is a structure encapsulating deno_core::JsRuntime with a set of ops used to implement Deno namespace.

When creating a MainWorker implementors must call MainWorker::bootstrap to prepare JS runtime for use.

MainWorker is highly configurable and allows to customize many of the runtime's properties:

  • module loading implementation
  • error formatting
  • support for source maps
  • support for V8 inspector and Chrome Devtools debugger
  • HTTP client user agent, CA certificate
  • random number generator seed

Worker Web API

deno_runtime comes with support for Worker Web API. The Worker API is implemented using WebWorker structure.

When creating a new instance of MainWorker implementors must provide a callback function that is used when creating a new instance of Worker.

All WebWorker instances are descendents of MainWorker which is responsible for setting up communication with child worker. Each WebWorker spawns a new OS thread that is dedicated solely to that worker.