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-rw-r--r--components/canvas/canvas_data.rs5
-rw-r--r--components/canvas/canvas_paint_thread.rs2
2 files changed, 5 insertions, 2 deletions
diff --git a/components/canvas/canvas_data.rs b/components/canvas/canvas_data.rs
index 1a4d1ccfc98..33da592c235 100644
--- a/components/canvas/canvas_data.rs
+++ b/components/canvas/canvas_data.rs
@@ -982,7 +982,10 @@ impl<'a> CanvasData<'a> {
updates.push(ImageUpdate::Update(image_key, descriptor, data));
},
None => {
- let key = self.webrender_api.generate_key();
+ let key = match self.webrender_api.generate_key() {
+ Ok(key) => key,
+ Err(()) => return,
+ };
updates.push(ImageUpdate::Add(key, descriptor, data));
self.image_key = Some(key);
debug!("New image {:?}.", self.image_key);
diff --git a/components/canvas/canvas_paint_thread.rs b/components/canvas/canvas_paint_thread.rs
index 6832a5cddc8..3c6bbfb53a8 100644
--- a/components/canvas/canvas_paint_thread.rs
+++ b/components/canvas/canvas_paint_thread.rs
@@ -26,7 +26,7 @@ pub enum ImageUpdate {
}
pub trait WebrenderApi {
- fn generate_key(&self) -> webrender_api::ImageKey;
+ fn generate_key(&self) -> Result<webrender_api::ImageKey, ()>;
fn update_images(&self, updates: Vec<ImageUpdate>);
fn clone(&self) -> Box<dyn WebrenderApi>;
}