feat(deno): surface support

deno_webgpu/Cargo.toml

@@ -10,11 +10,15 @@ readme = "README.md"
 repository.workspace = true
 description = "WebGPU implementation for Deno"
 
+[features]
+surface = ["wgpu-core/raw-window-handle", "dep:raw-window-handle"]
+
 [dependencies]
 deno_core.workspace = true
 serde = { workspace = true, features = ["derive"] }
 tokio = { workspace = true, features = ["full"] }
 wgpu-types = { workspace = true, features = ["trace", "replay", "serde"] }
+raw-window-handle = { workspace = true, optional = true }
 
 [dependencies.wgpu-core]
 workspace = true

deno_webgpu/src/01_webgpu.js

@@ -188,10 +188,13 @@
     }
   }
 
+  const illegalConstructorKey = Symbol("illegalConstructorKey");
   class GPUError extends Error {
-    constructor() {
+    constructor(key = null) {
       super();
-      webidl.illegalConstructor();
+      if (key !== illegalConstructorKey) {
+        webidl.illegalConstructor();
+      }
     }
 
     [_message];
@@ -212,7 +215,9 @@
         prefix,
         context: "Argument 1",
       });
-      super(message);
+      super(illegalConstructorKey);
+      this[webidl.brand] = webidl.brand;
+      this[_message] = message;
     }
   }
   const GPUValidationErrorPrototype = GPUValidationError.prototype;
@@ -226,7 +231,9 @@
         prefix,
         context: "Argument 1",
       });
-      super(message);
+      super(illegalConstructorKey);
+      this[webidl.brand] = webidl.brand;
+      this[_message] = message;
     }
   }
   const GPUOutOfMemoryErrorPrototype = GPUOutOfMemoryError.prototype;
@@ -347,7 +354,7 @@
         rid,
         adapter: this,
         features: createGPUSupportedFeatures(features),
-        limits: createGPUSupportedFeatures(limits),
+        limits: createGPUSupportedLimits(limits),
       });
       return createGPUDevice(
         descriptor.label,
@@ -5251,6 +5258,9 @@
   const GPUQuerySetPrototype = GPUQuerySet.prototype;
 
   window.__bootstrap.webgpu = {
+    _device,
+    assertDevice,
+    createGPUTexture,
     gpu: webidl.createBranded(GPU),
     GPU,
     GPUAdapter,

deno_webgpu/src/03_surface.js

@@ -0,0 +1,135 @@
+// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
+
+// @ts-check
+/// <reference path="../../core/lib.deno_core.d.ts" />
+/// <reference path="../web/internal.d.ts" />
+/// <reference path="../web/lib.deno_web.d.ts" />
+/// <reference path="./lib.deno_webgpu.d.ts" />
+
+"use strict";
+
+((window) => {
+  const core = window.Deno.core;
+  const ops = core.ops;
+  const webidl = window.__bootstrap.webidl;
+  const { Symbol } = window.__bootstrap.primordials;
+  const { _device, assertDevice, createGPUTexture } = window.__bootstrap.webgpu;
+
+  const _surfaceRid = Symbol("[[surfaceRid]]");
+  const _configuration = Symbol("[[configuration]]");
+  const _canvas = Symbol("[[canvas]]");
+  const _currentTexture = Symbol("[[currentTexture]]");
+  class GPUCanvasContext {
+    /** @type {number} */
+    [_surfaceRid];
+    /** @type {InnerGPUDevice} */
+    [_device];
+    [_configuration];
+    [_canvas];
+    /** @type {GPUTexture | undefined} */
+    [_currentTexture];
+
+    get canvas() {
+      webidl.assertBranded(this, GPUCanvasContextPrototype);
+      return this[_canvas];
+    }
+
+    constructor() {
+      webidl.illegalConstructor();
+    }
+
+    configure(configuration) {
+      webidl.assertBranded(this, GPUCanvasContextPrototype);
+      const prefix = "Failed to execute 'configure' on 'GPUCanvasContext'";
+      webidl.requiredArguments(arguments.length, 1, { prefix });
+      configuration = webidl.converters.GPUCanvasConfiguration(configuration, {
+        prefix,
+        context: "Argument 1",
+      });
+
+      this[_device] = configuration.device[_device];
+      this[_configuration] = configuration;
+      const device = assertDevice(this, { prefix, context: "configuration.device" });
+
+      const { err } = ops.op_webgpu_surface_configure({
+        surfaceRid: this[_surfaceRid],
+        deviceRid: device.rid,
+        format: configuration.format,
+        usage: configuration.usage,
+        width: configuration.width,
+        height: configuration.height,
+        alphaMode: configuration.alphaMode,
+      });
+
+      device.pushError(err);
+    }
+
+    unconfigure() {
+      webidl.assertBranded(this, GPUCanvasContextPrototype);
+
+      this[_configuration] = null;
+      this[_device] = null;
+    }
+
+    getCurrentTexture() {
+      webidl.assertBranded(this, GPUCanvasContextPrototype);
+      const prefix = "Failed to execute 'getCurrentTexture' on 'GPUCanvasContext'";
+
+      if (this[_configuration] === null) {
+        throw new DOMException("context is not configured.", "InvalidStateError");
+      }
+
+      const device = assertDevice(this, { prefix, context: "this" });
+
+      if (this[_currentTexture]) {
+        return this[_currentTexture];
+      }
+
+      const { rid } = ops.op_webgpu_surface_get_current_texture(device.rid, this[_surfaceRid]);
+
+      const texture = createGPUTexture(
+        {
+          size: {
+            width: this[_configuration].width,
+            height: this[_configuration].height,
+            depthOrArrayLayers: 1,
+          },
+          mipLevelCount: 1,
+          sampleCount: 1,
+          dimension: "2d",
+          format: this[_configuration].format,
+          usage: this[_configuration].usage,
+        },
+        device,
+        rid,
+      );
+      device.trackResource(texture);
+      this[_currentTexture] = texture;
+      return texture;
+    }
+
+    // Extended from spec. Required to present the texture; browser don't need this.
+    present() {
+      webidl.assertBranded(this, GPUCanvasContextPrototype);
+      const prefix = "Failed to execute 'present' on 'GPUCanvasContext'";
+      const device = assertDevice(this[_currentTexture], { prefix, context: "this" });
+      ops.op_webgpu_surface_present(device.rid, this[_surfaceRid]);
+      this[_currentTexture].destroy();
+      this[_currentTexture] = undefined;
+    }
+  }
+  const GPUCanvasContextPrototype = GPUCanvasContext.prototype;
+
+  function createCanvasContext(options) {
+    const canvasContext = webidl.createBranded(GPUCanvasContext);
+    canvasContext[_surfaceRid] = options.surfaceRid;
+    canvasContext[_canvas] = options.canvas;
+    return canvasContext;
+  }
+
+  window.__bootstrap.webgpu = {
+    ...window.__bootstrap.webgpu,
+    GPUCanvasContext,
+    createCanvasContext,
+  };
+})(this);

deno_webgpu/src/04_surface_idl_types.js

@@ -0,0 +1,77 @@
+// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
+
+// @ts-check
+/// <reference path="../../core/lib.deno_core.d.ts" />
+/// <reference path="../web/internal.d.ts" />
+/// <reference path="../web/lib.deno_web.d.ts" />
+/// <reference path="./lib.deno_webgpu.d.ts" />
+
+"use strict";
+
+((window) => {
+  const webidl = window.__bootstrap.webidl;
+  const { GPUTextureUsage } = window.__bootstrap.webgpu;
+
+  // ENUM: GPUCanvasAlphaMode
+  webidl.converters["GPUCanvasAlphaMode"] = webidl.createEnumConverter(
+    "GPUCanvasAlphaMode",
+    [
+      "opaque",
+      "premultiplied",
+    ],
+  );
+
+  // NON-SPEC: ENUM: GPUPresentMode
+  webidl.converters["GPUPresentMode"] = webidl.createEnumConverter(
+    "GPUPresentMode",
+    [
+      "autoVsync",
+      "autoNoVsync",
+      "fifo",
+      "fifoRelaxed",
+      "immediate",
+      "mailbox",
+    ],
+  );
+
+  // DICT: GPUCanvasConfiguration
+  const dictMembersGPUCanvasConfiguration = [
+    { key: "device", converter: webidl.converters.GPUDevice, required: true },
+    {
+      key: "format",
+      converter: webidl.converters.GPUTextureFormat,
+      required: true,
+    },
+    {
+      key: "usage",
+      converter: webidl.converters["GPUTextureUsageFlags"],
+      defaultValue: GPUTextureUsage.RENDER_ATTACHMENT,
+    },
+    {
+      key: "alphaMode",
+      converter: webidl.converters["GPUCanvasAlphaMode"],
+      defaultValue: "opaque",
+    },
+
+    // Extended from spec
+    {
+      key: "presentMode",
+      converter: webidl.converters["GPUPresentMode"],
+    },
+    {
+      key: "width",
+      converter: webidl.converters["long"],
+      required: true,
+    },
+    {
+      key: "height",
+      converter: webidl.converters["long"],
+      required: true,
+    },
+  ];
+  webidl.converters["GPUCanvasConfiguration"] = webidl
+    .createDictionaryConverter(
+      "GPUCanvasConfiguration",
+      dictMembersGPUCanvasConfiguration,
+    );
+})(this);

deno_webgpu/src/error.rs

@@ -23,6 +23,8 @@ use wgpu_core::device::DeviceError;
 use wgpu_core::pipeline::CreateComputePipelineError;
 use wgpu_core::pipeline::CreateRenderPipelineError;
 use wgpu_core::pipeline::CreateShaderModuleError;
+#[cfg(feature = "surface")]
+use wgpu_core::present::ConfigureSurfaceError;
 use wgpu_core::resource::BufferAccessError;
 use wgpu_core::resource::CreateBufferError;
 use wgpu_core::resource::CreateQuerySetError;
@@ -275,6 +277,13 @@ impl From<ClearError> for WebGpuError {
     }
 }
 
+#[cfg(feature = "surface")]
+impl From<ConfigureSurfaceError> for WebGpuError {
+    fn from(err: ConfigureSurfaceError) -> Self {
+        WebGpuError::Validation(fmt_err(&err))
+    }
+}
+
 #[derive(Debug)]
 pub struct DomExceptionOperationError {
     pub msg: String,

deno_webgpu/src/lib.rs

@@ -27,13 +27,22 @@ mod macros {
     macro_rules! gfx_select {
     ($id:expr => $global:ident.$method:ident( $($param:expr),* )) => {
       match $id.backend() {
-        #[cfg(not(target_os = "macos"))]
+        #[cfg(any(
+            all(not(target_arch = "wasm32"), not(target_os = "ios"), not(target_os = "macos")),
+            feature = "vulkan-portability"
+        ))]
         wgpu_types::Backend::Vulkan => $global.$method::<wgpu_core::api::Vulkan>( $($param),* ),
-        #[cfg(target_os = "macos")]
+        #[cfg(all(not(target_arch = "wasm32"), any(target_os = "ios", target_os = "macos")))]
         wgpu_types::Backend::Metal => $global.$method::<wgpu_core::api::Metal>( $($param),* ),
-        #[cfg(windows)]
+        #[cfg(all(not(target_arch = "wasm32"), windows))]
         wgpu_types::Backend::Dx12 => $global.$method::<wgpu_core::api::Dx12>( $($param),* ),
-        #[cfg(all(unix, not(target_os = "macos")))]
+        #[cfg(all(not(target_arch = "wasm32"), windows))]
+        wgpu_types::Backend::Dx11 => $global.$method::<wgpu_core::api::Dx11>( $($param),* ),
+        #[cfg(any(
+            all(unix, not(target_os = "macos"), not(target_os = "ios")),
+            feature = "angle",
+            target_arch = "wasm32"
+        ))]
         wgpu_types::Backend::Gl => $global.$method::<wgpu_core::api::Gles>( $($param),+ ),
         other => panic!("Unexpected backend {:?}", other),
       }
@@ -67,6 +76,8 @@ pub mod queue;
 pub mod render_pass;
 pub mod sampler;
 pub mod shader;
+#[cfg(feature = "surface")]
+pub mod surface;
 pub mod texture;
 
 pub struct Unstable(pub bool);
@@ -82,7 +93,7 @@ fn check_unstable(state: &OpState, api_name: &str) {
     }
 }
 
-type Instance = wgpu_core::hub::Global<wgpu_core::hub::IdentityManagerFactory>;
+pub type Instance = wgpu_core::hub::Global<wgpu_core::hub::IdentityManagerFactory>;
 
 struct WebGpuAdapter(wgpu_core::id::AdapterId);
 impl Resource for WebGpuAdapter {