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canvas: Deallocate WebRender images on canvas

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Fixes #11062

Depends on: #11744, https://github.com/servo/webrender_traits/pull/57, and https://github.com/servo/webrender/pull/292
This commit is contained in:
Emilio Cobos Álvarez 2016-06-15 14:17:13 +02:00 • committed by Emilio Cobos Álvarez
parent 68aca87e30
commit b7d45fe096
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8
components/canvas/canvas_paint_thread.rs
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@ -706,6 +706,14 @@ impl<'a> CanvasPaintThread<'a> {
}
}
impl<'a> Drop for CanvasPaintThread<'a> {
fn drop(&mut self) {
if let Some(ref mut wr) = self.webrender_api {
wr.delete_image(self.webrender_image_key.unwrap());
}
}
}
/// Used by drawImage to get rid of the extra pixels of the image data that
/// won't be copied to the canvas
/// image_data: Color pixel data of the image

8
components/canvas/webgl_paint_thread.rs
View file

@ -195,3 +195,11 @@ impl WebGLPaintThread {
}
}
}
impl Drop for WebGLPaintThread {
fn drop(&mut self) {
if let WebGLPaintTaskData::Readback(_, Some((ref mut wr, image_key))) = self.data {
wr.delete_image(image_key);
}
}
}