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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::string::String;
use dom_struct::dom_struct;
use webgpu::{WebGPU, WebGPUBindGroupLayout, WebGPUComputePipeline, WebGPURequest};
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::WebGPUBinding::GPUComputePipelineMethods;
use crate::dom::bindings::error::{Error, Fallible};
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::bindings::str::USVString;
use crate::dom::globalscope::GlobalScope;
use crate::dom::gpubindgrouplayout::GPUBindGroupLayout;
use crate::dom::gpudevice::GPUDevice;
#[dom_struct]
pub struct GPUComputePipeline {
reflector_: Reflector,
#[ignore_malloc_size_of = "channels are hard"]
#[no_trace]
channel: WebGPU,
label: DomRefCell<USVString>,
#[no_trace]
compute_pipeline: WebGPUComputePipeline,
#[no_trace]
bind_group_layouts: Vec<WebGPUBindGroupLayout>,
device: Dom<GPUDevice>,
}
impl GPUComputePipeline {
fn new_inherited(
channel: WebGPU,
compute_pipeline: WebGPUComputePipeline,
label: USVString,
bgls: Vec<WebGPUBindGroupLayout>,
device: &GPUDevice,
) -> Self {
Self {
reflector_: Reflector::new(),
channel,
label: DomRefCell::new(label),
compute_pipeline,
bind_group_layouts: bgls,
device: Dom::from_ref(device),
}
}
pub fn new(
global: &GlobalScope,
channel: WebGPU,
compute_pipeline: WebGPUComputePipeline,
label: USVString,
bgls: Vec<WebGPUBindGroupLayout>,
device: &GPUDevice,
) -> DomRoot<Self> {
reflect_dom_object(
Box::new(GPUComputePipeline::new_inherited(
channel,
compute_pipeline,
label,
bgls,
device,
)),
global,
)
}
}
impl GPUComputePipeline {
pub fn id(&self) -> &WebGPUComputePipeline {
&self.compute_pipeline
}
}
impl GPUComputePipelineMethods for GPUComputePipeline {
/// <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-gpupipelinebase-getbindgrouplayout>
fn GetBindGroupLayout(&self, index: u32) -> Fallible<DomRoot<GPUBindGroupLayout>> {
if index > self.bind_group_layouts.len() as u32 {
return Err(Error::Range(String::from("Index out of bounds")));
}
Ok(GPUBindGroupLayout::new(
&self.global(),
self.channel.clone(),
self.bind_group_layouts[index as usize],
USVString::default(),
))
}
}
impl Drop for GPUComputePipeline {
fn drop(&mut self) {
if let Err(e) = self.channel.0.send((
None,
WebGPURequest::DropComputePipeline(self.compute_pipeline.0),
)) {
warn!(
"Failed to send WebGPURequest::DropComputePipeline({:?}) ({})",
self.compute_pipeline.0, e
);
};
}
}
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