forked from mirrors/gecko-dev
b60a127aa6
Source-Repo: https://github.com/servo/servo Source-Revision: 524a004e771b465e3de9ebbc33816e50949d6a25
73 lines
2.4 KiB
Rust
73 lines
2.4 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 canvas_traits::{CanvasMsg};
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use dom::bindings::codegen::Bindings::WebGLFramebufferBinding;
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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::reflector::reflect_dom_object;
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use dom::webglobject::WebGLObject;
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use ipc_channel::ipc::{self, IpcSender};
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use std::cell::Cell;
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use webrender_traits::{WebGLCommand, WebGLFramebufferBindingRequest};
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#[dom_struct]
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pub struct WebGLFramebuffer {
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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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#[ignore_heap_size_of = "Defined in ipc-channel"]
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renderer: IpcSender<CanvasMsg>,
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}
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impl WebGLFramebuffer {
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fn new_inherited(renderer: IpcSender<CanvasMsg>, id: u32) -> WebGLFramebuffer {
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WebGLFramebuffer {
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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: IpcSender<CanvasMsg>)
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-> Option<Root<WebGLFramebuffer>> {
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let (sender, receiver) = ipc::channel().unwrap();
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renderer.send(CanvasMsg::WebGL(WebGLCommand::CreateFramebuffer(sender))).unwrap();
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let result = receiver.recv().unwrap();
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result.map(|fb_id| WebGLFramebuffer::new(global, renderer, *fb_id))
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}
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pub fn new(global: GlobalRef, renderer: IpcSender<CanvasMsg>, id: u32)
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-> Root<WebGLFramebuffer> {
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reflect_dom_object(box WebGLFramebuffer::new_inherited(renderer, id), global, WebGLFramebufferBinding::Wrap)
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}
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}
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impl WebGLFramebuffer {
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pub fn id(&self) -> u32 {
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self.id
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}
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pub fn bind(&self, target: u32) {
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let cmd = WebGLCommand::BindFramebuffer(target, WebGLFramebufferBindingRequest::Explicit(self.id));
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self.renderer.send(CanvasMsg::WebGL(cmd)).unwrap();
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}
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pub 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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let _ = self.renderer.send(CanvasMsg::WebGL(WebGLCommand::DeleteFramebuffer(self.id)));
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}
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}
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}
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impl Drop for WebGLFramebuffer {
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fn drop(&mut self) {
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self.delete();
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}
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}
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