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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::GPUComputePipelineBinding::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;
use dom_struct::dom_struct;
use std::string::String;
use webgpu::{WebGPUBindGroupLayout, WebGPUComputePipeline};
#[dom_struct]
pub struct GPUComputePipeline {
reflector_: Reflector,
label: DomRefCell<Option<USVString>>,
compute_pipeline: WebGPUComputePipeline,
bind_group_layouts: Vec<WebGPUBindGroupLayout>,
device: Dom<GPUDevice>,
}
impl GPUComputePipeline {
fn new_inherited(
compute_pipeline: WebGPUComputePipeline,
label: Option<USVString>,
bgls: Vec<WebGPUBindGroupLayout>,
device: &GPUDevice,
) -> Self {
Self {
reflector_: Reflector::new(),
label: DomRefCell::new(label),
compute_pipeline,
bind_group_layouts: bgls,
device: Dom::from_ref(device),
}
}
pub fn new(
global: &GlobalScope,
compute_pipeline: WebGPUComputePipeline,
label: Option<USVString>,
bgls: Vec<WebGPUBindGroupLayout>,
device: &GPUDevice,
) -> DomRoot<Self> {
reflect_dom_object(
Box::new(GPUComputePipeline::new_inherited(
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 GetLabel(&self) -> Option<USVString> {
self.label.borrow().clone()
}
/// https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label
fn SetLabel(&self, value: Option<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.bind_group_layouts[index as usize],
None,
))
}
}
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