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Implemented paint worklet arguments.

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This commit is contained in:
Alan Jeffrey 2017-06-27 10:34:34 -05:00
parent d859734702
commit d101f9c945
8 changed files with 78 additions and 27 deletions
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7
components/canvas/canvas_paint_thread.rs
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@ -548,10 +548,15 @@ impl<'a> CanvasPaintThread<'a> {
}
fn recreate(&mut self, size: Size2D<i32>) {
// TODO: clear the thread state. https://github.com/servo/servo/issues/17533
self.drawtarget = CanvasPaintThread::create(size);
self.state = CanvasPaintState::new(self.state.draw_options.antialias);
self.saved_states.clear();
// Webrender doesn't let images change size, so we clear the webrender image key.
// TODO: there is an annying race condition here: the display list builder
// might still be using the old image key. Really, we should be scheduling the image
// for later deletion, not deleting it immediately.
// https://github.com/servo/servo/issues/17534
if let Some(image_key) = self.image_key.take() {
// If this executes, then we are in a new epoch since we last recreated the canvas,
// so `old_image_key` must be `None`.
@ -582,6 +587,7 @@ impl<'a> CanvasPaintThread<'a> {
match self.image_key {
Some(image_key) => {
debug!("Updating image {:?}.", image_key);
self.webrender_api.update_image(image_key,
descriptor,
data,
@ -589,6 +595,7 @@ impl<'a> CanvasPaintThread<'a> {
}
None => {
self.image_key = Some(self.webrender_api.generate_image_key());
debug!("New image {:?}.", self.image_key);
self.webrender_api.add_image(self.image_key.unwrap(),
descriptor,
data,