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95 lines
2.8 KiB
Rust
95 lines
2.8 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use crate::dom::bindings::cell::DomRefCell;
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use crate::dom::bindings::codegen::Bindings::GPUSwapChainBinding::GPUSwapChainMethods;
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use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
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use crate::dom::bindings::root::{Dom, DomRoot};
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use crate::dom::bindings::str::USVString;
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use crate::dom::globalscope::GlobalScope;
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use crate::dom::gpucanvascontext::GPUCanvasContext;
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use crate::dom::gputexture::GPUTexture;
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use dom_struct::dom_struct;
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use webgpu::{WebGPU, WebGPURequest, WebGPUTexture};
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#[dom_struct]
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pub struct GPUSwapChain {
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reflector_: Reflector,
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#[ignore_malloc_size_of = "channels are hard"]
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channel: WebGPU,
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label: DomRefCell<Option<USVString>>,
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context: Dom<GPUCanvasContext>,
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texture: Dom<GPUTexture>,
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}
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impl GPUSwapChain {
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fn new_inherited(
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channel: WebGPU,
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context: &GPUCanvasContext,
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texture: &GPUTexture,
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label: Option<USVString>,
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) -> Self {
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Self {
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reflector_: Reflector::new(),
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channel,
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context: Dom::from_ref(context),
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texture: Dom::from_ref(texture),
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label: DomRefCell::new(label),
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}
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}
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pub fn new(
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global: &GlobalScope,
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channel: WebGPU,
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context: &GPUCanvasContext,
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texture: &GPUTexture,
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label: Option<USVString>,
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) -> DomRoot<Self> {
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reflect_dom_object(
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Box::new(GPUSwapChain::new_inherited(
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channel, context, texture, label,
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)),
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global,
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)
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}
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}
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impl GPUSwapChain {
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pub fn destroy(&self, external_id: u64, image_key: webrender_api::ImageKey) {
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if let Err(e) = self.channel.0.send((
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None,
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WebGPURequest::DestroySwapChain {
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external_id,
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image_key,
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},
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)) {
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warn!(
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"Failed to send DestroySwapChain-ImageKey({:?}) ({})",
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image_key, e
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);
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}
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}
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pub fn texture_id(&self) -> WebGPUTexture {
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self.texture.id()
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}
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}
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impl GPUSwapChainMethods for GPUSwapChain {
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/// https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label
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fn GetLabel(&self) -> Option<USVString> {
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self.label.borrow().clone()
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}
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/// https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label
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fn SetLabel(&self, value: Option<USVString>) {
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*self.label.borrow_mut() = value;
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}
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/// https://gpuweb.github.io/gpuweb/#dom-gpuswapchain-getcurrenttexture
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fn GetCurrentTexture(&self) -> DomRoot<GPUTexture> {
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self.context.mark_as_dirty();
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DomRoot::from_ref(&*self.texture)
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}
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}
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