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a6f19c0092
* trait `CanvasContext` Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com> * fixup most stuff Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com> * explain and limit crown `allow(crown::unrooted_must_root)` Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com> --------- Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
78 lines
2.3 KiB
Rust
78 lines
2.3 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 canvas_traits::webgl::WebGLContextId;
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use dom_struct::dom_struct;
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use webxr_api::LayerId;
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use crate::canvas_context::CanvasContext as _;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::root::Dom;
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use crate::dom::eventtarget::EventTarget;
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use crate::dom::webglrenderingcontext::WebGLRenderingContext;
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use crate::dom::xrframe::XRFrame;
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use crate::dom::xrsession::XRSession;
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use crate::dom::xrwebgllayer::XRWebGLLayer;
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#[dom_struct]
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pub(crate) struct XRLayer {
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event_target: EventTarget,
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session: Dom<XRSession>,
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context: Dom<WebGLRenderingContext>,
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/// If none, the session is inline (the composition disabled flag is true)
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/// and this is a XRWebGLLayer.
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#[ignore_malloc_size_of = "Layer ids don't heap-allocate"]
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#[no_trace]
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layer_id: Option<LayerId>,
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}
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impl XRLayer {
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#[allow(dead_code)]
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pub(crate) fn new_inherited(
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session: &XRSession,
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context: &WebGLRenderingContext,
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layer_id: Option<LayerId>,
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) -> XRLayer {
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XRLayer {
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event_target: EventTarget::new_inherited(),
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session: Dom::from_ref(session),
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context: Dom::from_ref(context),
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layer_id,
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}
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}
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pub(crate) fn layer_id(&self) -> Option<LayerId> {
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self.layer_id
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}
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pub(crate) fn context_id(&self) -> WebGLContextId {
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self.context.context_id()
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}
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pub(crate) fn context(&self) -> &WebGLRenderingContext {
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&self.context
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}
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pub(crate) fn session(&self) -> &XRSession {
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&self.session
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}
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pub(crate) fn begin_frame(&self, frame: &XRFrame) -> Option<()> {
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// TODO: Implement this for other layer types
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if let Some(this) = self.downcast::<XRWebGLLayer>() {
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this.begin_frame(frame)
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} else {
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unimplemented!()
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}
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}
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pub(crate) fn end_frame(&self, frame: &XRFrame) -> Option<()> {
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// TODO: Implement this for other layer types
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if let Some(this) = self.downcast::<XRWebGLLayer>() {
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this.end_frame(frame)
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} else {
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unimplemented!()
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}
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}
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}
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