script_webgpu/
gpucompilationinfo.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 dom_struct::dom_struct;
6use js::context::JSContext;
7use js::rust::MutableHandleValue;
8use malloc_size_of_derive::MallocSizeOf;
9use script_bindings::DomTypes;
10use script_bindings::codegen::GenericBindings::WebGPUBinding::{
11    GPUCompilationInfoMethods, GPUCompilationInfoWrap,
12};
13use script_bindings::reflector::{Reflector, reflect_dom_object_with_proto_and_wrap};
14use script_bindings::utils::to_frozen_array;
15use webgpu_traits::ShaderCompilationInfo;
16
17use crate::JSTraceable;
18use crate::dom::bindings::root::{Dom, DomRoot};
19use crate::gpucompilationmessage::GPUCompilationMessage;
20use crate::traits::Equivalence;
21
22#[dom_struct]
23pub struct GPUCompilationInfo<D: DomTypes> {
24    reflector_: Reflector,
25    // currently we only get one message from wgpu
26    msg: Vec<Dom<GPUCompilationMessage<D>>>,
27}
28
29impl<D: Equivalence> GPUCompilationInfo<D> {
30    pub(crate) fn new_inherited(msg: Vec<DomRoot<GPUCompilationMessage<D>>>) -> Self {
31        Self {
32            reflector_: Reflector::new(),
33            msg: msg.into_iter().map(|event| event.as_traced()).collect(),
34        }
35    }
36
37    pub(crate) fn new(
38        cx: &mut JSContext,
39        global: &D::GlobalScope,
40        msg: Vec<DomRoot<GPUCompilationMessage<D>>>,
41    ) -> DomRoot<Self> {
42        reflect_dom_object_with_proto_and_wrap::<D, _, _>(
43            Box::new(Self::new_inherited(msg)),
44            global,
45            None,
46            cx,
47            GPUCompilationInfoWrap::<D>,
48        )
49    }
50
51    pub fn from(
52        cx: &mut JSContext,
53        global: &D::GlobalScope,
54        error: Option<ShaderCompilationInfo>,
55    ) -> DomRoot<Self> {
56        let msg = error
57            .map(|error| vec![GPUCompilationMessage::from(cx, global, error)])
58            .unwrap_or_default();
59        Self::new(cx, global, msg)
60    }
61}
62
63impl<D: DomTypes> GPUCompilationInfoMethods<D> for GPUCompilationInfo<D> {
64    /// <https://gpuweb.github.io/gpuweb/#dom-gpucompilationinfo-messages>
65    fn Messages(&self, cx: &mut JSContext, retval: MutableHandleValue) {
66        let messages: Vec<DomRoot<GPUCompilationMessage<D>>> =
67            self.msg.iter().map(|msg| msg.as_rooted()).collect();
68        to_frozen_array(cx, messages.as_slice(), retval)
69    }
70}
script_webgpu/gpucompilationinfo.rs

script_webgpu/
gpucompilationinfo.rs
