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https://github.com/servo/servo
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2f5e3fdb5c
- canvas - constellation_traits - canvas_traits - constellation Testing: This should not change any behaviour. --------- Signed-off-by: Euclid Ye <yezhizhenjiakang@gmail.com>
75 lines
2.6 KiB
Rust
75 lines
2.6 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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// https://www.khronos.org/registry/webgl/specs/latest/1.0/webgl.idl
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use dom_struct::dom_struct;
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use script_bindings::reflector::AssociatedMemory;
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use script_bindings::root::DomRoot;
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use script_bindings::weakref::WeakRef;
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use servo_canvas_traits::webgl::{WebGLCommand, WebGLContextId, WebGLMsgSender};
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use crate::dom::bindings::cell::DomRefCell;
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use crate::dom::bindings::codegen::Bindings::WebGLObjectBinding::WebGLObjectMethods;
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use crate::dom::bindings::reflector::Reflector;
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use crate::dom::bindings::str::USVString;
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use crate::dom::webgl::webglrenderingcontext::WebGLRenderingContext;
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use crate::dom::webglrenderingcontext::{Operation, capture_webgl_backtrace};
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#[dom_struct(associated_memory)]
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pub(crate) struct WebGLObject {
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reflector_: Reflector<AssociatedMemory>,
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#[no_trace]
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webgl_sender: WebGLMsgSender,
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context: WeakRef<WebGLRenderingContext>,
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label: DomRefCell<USVString>,
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}
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impl WebGLObject {
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pub(crate) fn new_inherited(context: &WebGLRenderingContext) -> WebGLObject {
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WebGLObject {
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reflector_: Reflector::new(),
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webgl_sender: context.sender().clone(),
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context: WeakRef::new(context),
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label: DomRefCell::new(USVString::default()),
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}
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}
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/// Get the [`WebGLRenderingContext`] that created this object.
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///
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/// If `None` is returned the [`WebGLRenderingContext`] has already been garbage collected.
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pub(crate) fn context(&self) -> Option<DomRoot<WebGLRenderingContext>> {
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self.context.root()
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}
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#[inline]
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pub(crate) fn context_id(&self) -> WebGLContextId {
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self.webgl_sender.context_id()
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}
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#[inline]
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pub(crate) fn send_with_fallibility(&self, command: WebGLCommand, fallibility: Operation) {
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let result = self.webgl_sender.send(command, capture_webgl_backtrace());
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if matches!(fallibility, Operation::Infallible) {
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result.expect("Operation failed");
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}
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}
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#[inline]
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pub(crate) fn send_command(&self, command: WebGLCommand) {
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self.send_with_fallibility(command, Operation::Infallible);
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}
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}
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impl WebGLObjectMethods<crate::DomTypeHolder> for WebGLObject {
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/// <https://registry.khronos.org/webgl/specs/latest/1.0/#5.3>
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fn Label(&self) -> USVString {
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self.label.borrow().clone()
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}
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/// <https://registry.khronos.org/webgl/specs/latest/1.0/#5.3>
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fn SetLabel(&self, value: USVString) {
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*self.label.borrow_mut() = value;
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}
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}
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