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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 crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::GPUQueueBinding::{self, GPUQueueMethods};
use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::DOMString;
use crate::dom::globalscope::GlobalScope;
use crate::dom::gpubuffer::GPUBufferState;
use crate::dom::gpucommandbuffer::GPUCommandBuffer;
use dom_struct::dom_struct;
use webgpu::{WebGPU, WebGPUQueue, WebGPURequest};
#[dom_struct]
pub struct GPUQueue {
reflector_: Reflector,
#[ignore_malloc_size_of = "defined in webgpu"]
channel: WebGPU,
label: DomRefCell<Option<DOMString>>,
queue: WebGPUQueue,
}
impl GPUQueue {
fn new_inherited(channel: WebGPU, queue: WebGPUQueue) -> GPUQueue {
GPUQueue {
channel,
reflector_: Reflector::new(),
label: DomRefCell::new(None),
queue,
}
}
pub fn new(global: &GlobalScope, channel: WebGPU, queue: WebGPUQueue) -> DomRoot<GPUQueue> {
reflect_dom_object(
Box::new(GPUQueue::new_inherited(channel, queue)),
global,
GPUQueueBinding::Wrap,
)
}
}
impl GPUQueueMethods for GPUQueue {
/// https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label
fn GetLabel(&self) -> Option<DOMString> {
self.label.borrow().clone()
}
/// https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label
fn SetLabel(&self, value: Option<DOMString>) {
*self.label.borrow_mut() = value;
}
/// https://gpuweb.github.io/gpuweb/#dom-gpuqueue-submit
fn Submit(&self, command_buffers: Vec<DomRoot<GPUCommandBuffer>>) {
let valid = command_buffers.iter().all(|cb| {
cb.buffers().iter().all(|b| match *b.state() {
GPUBufferState::Unmapped => true,
_ => false,
})
});
if !valid {
// TODO: Generate error to the ErrorScope
return;
}
let command_buffers = command_buffers.iter().map(|cb| cb.id().0).collect();
self.channel
.0
.send(WebGPURequest::Submit {
queue_id: self.queue.0,
command_buffers,
})
.unwrap();
}
}
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