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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use std::rc::Rc;
use dom_struct::dom_struct;
use webgpu::{WebGPU, WebGPURequest, WebGPUResponse, WebGPUResponseResult, WebGPUShaderModule};
use super::gpu::AsyncWGPUListener;
use super::gpucompilationinfo::GPUCompilationInfo;
use super::promise::Promise;
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::WebGPUBinding::GPUShaderModuleMethods;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::USVString;
use crate::dom::globalscope::GlobalScope;
#[dom_struct]
pub struct GPUShaderModule {
reflector_: Reflector,
#[ignore_malloc_size_of = "defined in webgpu"]
#[no_trace]
channel: WebGPU,
label: DomRefCell<USVString>,
#[no_trace]
shader_module: WebGPUShaderModule,
#[ignore_malloc_size_of = "promise"]
compilation_info_promise: Rc<Promise>,
}
impl GPUShaderModule {
fn new_inherited(
channel: WebGPU,
shader_module: WebGPUShaderModule,
label: USVString,
promise: Rc<Promise>,
) -> Self {
Self {
reflector_: Reflector::new(),
channel,
label: DomRefCell::new(label),
shader_module,
compilation_info_promise: promise,
}
}
pub fn new(
global: &GlobalScope,
channel: WebGPU,
shader_module: WebGPUShaderModule,
label: USVString,
promise: Rc<Promise>,
) -> DomRoot<Self> {
reflect_dom_object(
Box::new(GPUShaderModule::new_inherited(
channel,
shader_module,
label,
promise,
)),
global,
)
}
}
impl GPUShaderModule {
pub fn id(&self) -> WebGPUShaderModule {
self.shader_module
}
}
impl GPUShaderModuleMethods for GPUShaderModule {
/// <https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label>
fn Label(&self) -> USVString {
self.label.borrow().clone()
}
/// <https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label>
fn SetLabel(&self, value: USVString) {
*self.label.borrow_mut() = value;
}
/// <https://gpuweb.github.io/gpuweb/#dom-gpushadermodule-getcompilationinfo>
fn GetCompilationInfo(&self) -> Rc<Promise> {
self.compilation_info_promise.clone()
}
}
impl AsyncWGPUListener for GPUShaderModule {
fn handle_response(&self, response: Option<WebGPUResponseResult>, promise: &Rc<Promise>) {
match response {
Some(Ok(WebGPUResponse::CompilationInfo(info))) => {
let info = GPUCompilationInfo::from(&self.global(), info);
promise.resolve_native(&info);
},
_ => unreachable!("Wrong response received on AsyncWGPUListener for GPUShaderModule"),
}
}
}
impl Drop for GPUShaderModule {
fn drop(&mut self) {
if let Err(e) = self
.channel
.0
.send(WebGPURequest::DropShaderModule(self.shader_module.0))
{
warn!(
"Failed to send DropShaderModule ({:?}) ({})",
self.shader_module.0, e
);
}
}
}
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