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canvas: Don't panic if webrender isn't reachable.

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This commit is contained in:
Josh Matthews 2020-06-10 10:39:52 -04:00
parent 04fae2fdca
commit 55fee1fb35
3 changed files with 7 additions and 4 deletions
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4
components/servo/lib.rs
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@ -949,12 +949,12 @@ impl gfx_traits::WebrenderApi for FontCacheWR {
struct CanvasWebrenderApi(CompositorProxy);
impl canvas_paint_thread::WebrenderApi for CanvasWebrenderApi {
fn generate_key(&self) -> webrender_api::ImageKey {
fn generate_key(&self) -> Result<webrender_api::ImageKey, ()> {
let (sender, receiver) = unbounded();
let _ = self.0.send(Msg::Webrender(WebrenderMsg::Canvas(
WebrenderCanvasMsg::GenerateKey(sender),
)));
receiver.recv().unwrap()
receiver.recv().map_err(|_| ())
}
fn update_images(&self, updates: Vec<canvas_paint_thread::ImageUpdate>) {
let _ = self.0.send(Msg::Webrender(WebrenderMsg::Canvas(