script_webgpu/
traits.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use std::rc::Rc;
6use std::sync::Arc;
7
8use js::context::JSContext;
9use script_bindings::DomTypes;
10use script_bindings::codegen::GenericBindings::WebGPUBinding::GPUTextureFormat;
11use script_bindings::error::Fallible;
12use servo_base::generic_channel::GenericCallback;
13use webgpu_traits::{
14    Mapping, WebGPU, WebGPUAdapterResponse, WebGPUDevice, WebGPUDeviceResponse,
15    WebGPUExternalTexture, WebGPUQuerySet, WebGPUSampler, WebGPUShaderModule, WebGPUTexture,
16    WebGPUTextureView,
17};
18use wgpu_core::resource::BufferAccessError;
19use wgpu_types::TextureFormat;
20
21use crate::gpu::GPU;
22use crate::gpuadapter::GPUAdapter;
23use crate::gpubuffer::GPUBuffer;
24use crate::identityhub::IdentityHub;
25
26/// The main trait for creating and using promises in script_webgpu.
27pub trait WebGPUPromiseTrait<D: DomTypes> {
28    fn callback_promise_adapter(
29        self: &Rc<Self>,
30        d: &GPUAdapter<D>,
31    ) -> GenericCallback<WebGPUDeviceResponse>;
32
33    fn callback_promise_gpubuffer(
34        self: &Rc<Self>,
35        d: &GPUBuffer<D>,
36    ) -> GenericCallback<Result<Mapping, BufferAccessError>>;
37
38    fn callback_promise_gpu(self: &Rc<Self>, d: &GPU<D>) -> GenericCallback<WebGPUAdapterResponse>;
39}
40
41pub trait WebGPUGlobalTrait {
42    fn global_wgpu_id_hub(&self) -> Arc<IdentityHub>;
43}
44
45pub trait GPUDeviceTrait<D: DomTypes> {
46    fn is_lost(&self) -> bool;
47    fn id(&self) -> WebGPUDevice;
48    fn channel(&self) -> WebGPU;
49    fn dispatch_error(&self, error: webgpu_traits::Error);
50    fn validate_texture_format_required_features(
51        &self,
52        gpu_texture_format: &GPUTextureFormat,
53    ) -> Fallible<TextureFormat>;
54}
55
56pub trait GPUTextureTrait {
57    fn id(&self) -> WebGPUTexture;
58    fn get_default_view(&self, cx: &mut JSContext) -> WebGPUTextureView;
59}
60
61pub trait GPUTextureViewTrait {
62    fn id(&self) -> WebGPUTextureView;
63}
64
65pub trait GPUSamplerTrait {
66    fn id(&self) -> WebGPUSampler;
67}
68
69pub trait GPUExternalTextureTrait {
70    fn id(&self) -> WebGPUExternalTexture;
71}
72
73pub trait GPUQuerySetTrait {
74    fn id(&self) -> WebGPUQuerySet;
75}
76
77pub trait GPUShaderModuleTrait {
78    fn id(&self) -> WebGPUShaderModule;
79}
script_webgpu/traits.rs

script_webgpu/
traits.rs
