mirror of
https://github.com/servo/servo.git
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68 lines
2.2 KiB
Rust
68 lines
2.2 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 http://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::bindings::codegen::Bindings::WebGLRenderbufferBinding;
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use dom::bindings::global::GlobalRef;
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use dom::bindings::js::Root;
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use dom::bindings::utils::reflect_dom_object;
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use dom::webglobject::WebGLObject;
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use canvas_traits::{CanvasMsg, CanvasWebGLMsg};
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use std::sync::mpsc::{channel, Sender};
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use std::cell::Cell;
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#[dom_struct]
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pub struct WebGLRenderbuffer {
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webgl_object: WebGLObject,
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id: u32,
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is_deleted: Cell<bool>,
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renderer: Sender<CanvasMsg>,
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}
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impl WebGLRenderbuffer {
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fn new_inherited(renderer: Sender<CanvasMsg>, id: u32) -> WebGLRenderbuffer {
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WebGLRenderbuffer {
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webgl_object: WebGLObject::new_inherited(),
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id: id,
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is_deleted: Cell::new(false),
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renderer: renderer,
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}
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}
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pub fn maybe_new(global: GlobalRef, renderer: Sender<CanvasMsg>) -> Option<Root<WebGLRenderbuffer>> {
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let (sender, receiver) = channel();
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renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::CreateRenderbuffer(sender))).unwrap();
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let result = receiver.recv().unwrap();
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result.map(|renderbuffer_id| WebGLRenderbuffer::new(global, renderer, *renderbuffer_id))
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}
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pub fn new(global: GlobalRef, renderer: Sender<CanvasMsg>, id: u32) -> Root<WebGLRenderbuffer> {
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reflect_dom_object(box WebGLRenderbuffer::new_inherited(renderer, id), global, WebGLRenderbufferBinding::Wrap)
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}
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}
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pub trait WebGLRenderbufferHelpers {
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fn id(self) -> u32;
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fn bind(self, target: u32);
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fn delete(self);
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}
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impl<'a> WebGLRenderbufferHelpers for &'a WebGLRenderbuffer {
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fn id(self) -> u32 {
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self.id
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}
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fn bind(self, target: u32) {
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self.renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::BindRenderbuffer(target, self.id))).unwrap();
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}
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fn delete(self) {
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if !self.is_deleted.get() {
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self.is_deleted.set(true);
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self.renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::DeleteRenderbuffer(self.id))).unwrap();
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}
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}
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}
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