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Proxy all WR interactions for layout/font/script/canvas threads to the compositor
thread. There is now a single RenderApi that is used, and all transactions are serialized through the compositor.
This commit is contained in:
parent
a6016b3a62
commit
75efaa95f5
16 changed files with 344 additions and 261 deletions
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@ -2,7 +2,7 @@
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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 https://mozilla.org/MPL/2.0/. */
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use crate::canvas_paint_thread::AntialiasMode;
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use crate::canvas_paint_thread::{AntialiasMode, ImageUpdate, WebrenderApi};
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use crate::raqote_backend::Repetition;
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use canvas_traits::canvas::*;
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use cssparser::RGBA;
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@ -13,7 +13,6 @@ use num_traits::ToPrimitive;
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use std::marker::PhantomData;
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use std::mem;
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use std::sync::Arc;
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use webrender::api::DirtyRect;
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use webrender_api::units::RectExt as RectExt_;
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/// The canvas data stores a state machine for the current status of
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@ -367,8 +366,7 @@ pub struct CanvasData<'a> {
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path_state: Option<PathState>,
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state: CanvasPaintState<'a>,
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saved_states: Vec<CanvasPaintState<'a>>,
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webrender_api: webrender_api::RenderApi,
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webrender_doc: webrender_api::DocumentId,
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webrender_api: Box<dyn WebrenderApi>,
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image_key: Option<webrender_api::ImageKey>,
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/// An old webrender image key that can be deleted when the next epoch ends.
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old_image_key: Option<webrender_api::ImageKey>,
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@ -384,22 +382,19 @@ fn create_backend() -> Box<dyn Backend> {
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impl<'a> CanvasData<'a> {
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pub fn new(
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size: Size2D<u64>,
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webrender_api_sender: webrender_api::RenderApiSender,
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webrender_doc: webrender_api::DocumentId,
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webrender_api: Box<dyn WebrenderApi>,
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antialias: AntialiasMode,
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canvas_id: CanvasId,
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) -> CanvasData<'a> {
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let backend = create_backend();
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let draw_target = backend.create_drawtarget(size);
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let webrender_api = webrender_api_sender.create_api();
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CanvasData {
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backend,
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drawtarget: draw_target,
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path_state: None,
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state: CanvasPaintState::new(antialias),
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saved_states: vec![],
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webrender_api: webrender_api,
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webrender_doc,
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webrender_api,
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image_key: None,
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old_image_key: None,
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very_old_image_key: None,
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@ -979,27 +974,28 @@ impl<'a> CanvasData<'a> {
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let data = self.drawtarget.snapshot_data_owned();
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let data = webrender_api::ImageData::Raw(Arc::new(data));
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let mut txn = webrender_api::Transaction::new();
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let mut updates = vec![];
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match self.image_key {
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Some(image_key) => {
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debug!("Updating image {:?}.", image_key);
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txn.update_image(image_key, descriptor, data, &DirtyRect::All);
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updates.push(ImageUpdate::Update(image_key, descriptor, data));
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},
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None => {
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self.image_key = Some(self.webrender_api.generate_image_key());
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let key = self.webrender_api.generate_key();
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updates.push(ImageUpdate::Add(key, descriptor, data));
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self.image_key = Some(key);
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debug!("New image {:?}.", self.image_key);
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txn.add_image(self.image_key.unwrap(), descriptor, data, None);
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},
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}
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if let Some(image_key) =
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mem::replace(&mut self.very_old_image_key, self.old_image_key.take())
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{
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txn.delete_image(image_key);
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updates.push(ImageUpdate::Delete(image_key));
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}
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self.webrender_api.send_transaction(self.webrender_doc, txn);
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self.webrender_api.update_images(updates);
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let data = CanvasImageData {
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image_key: self.image_key.unwrap(),
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@ -1110,16 +1106,15 @@ impl<'a> CanvasData<'a> {
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impl<'a> Drop for CanvasData<'a> {
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fn drop(&mut self) {
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let mut txn = webrender_api::Transaction::new();
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let mut updates = vec![];
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if let Some(image_key) = self.old_image_key.take() {
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txn.delete_image(image_key);
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updates.push(ImageUpdate::Delete(image_key));
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}
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if let Some(image_key) = self.very_old_image_key.take() {
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txn.delete_image(image_key);
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updates.push(ImageUpdate::Delete(image_key));
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}
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self.webrender_api.send_transaction(self.webrender_doc, txn);
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self.webrender_api.update_images(updates);
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}
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}
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