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script: Make most of 2D canvas and WebGL run over IPC.

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To actually make the multiprocess communication work, we'll need to
reroute the task creation to the pipeline or the compositor. But this
works as a first step.
This commit is contained in:
Patrick Walton 2015-07-13 17:02:35 -07:00
parent 886c08c393
commit bb99b2f3c8
39 changed files with 694 additions and 365 deletions
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10
components/layout/layout_task.rs
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@ -39,7 +39,7 @@ use gfx::display_list::StackingContext;
use gfx::font_cache_task::FontCacheTask;
use gfx::paint_task::Msg as PaintMsg;
use gfx::paint_task::{PaintChan, PaintLayer};
use ipc_channel::ipc::{self, IpcReceiver};
use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
use ipc_channel::router::ROUTER;
use layout_traits::LayoutTaskFactory;
use log;
@ -197,8 +197,8 @@ pub struct LayoutTask {
/// To receive a canvas renderer associated to a layer, this message is propagated
/// to the paint chan
pub canvas_layers_receiver: Receiver<(LayerId, Option<Arc<Mutex<Sender<CanvasMsg>>>>)>,
pub canvas_layers_sender: Sender<(LayerId, Option<Arc<Mutex<Sender<CanvasMsg>>>>)>,
pub canvas_layers_receiver: Receiver<(LayerId, IpcSender<CanvasMsg>)>,
pub canvas_layers_sender: Sender<(LayerId, IpcSender<CanvasMsg>)>,
/// A mutex to allow for fast, read-only RPC of layout's internal data
/// structures, while still letting the LayoutTask modify them.
@ -1030,9 +1030,7 @@ impl LayoutTask {
// Send new canvas renderers to the paint task
while let Ok((layer_id, renderer)) = self.canvas_layers_receiver.try_recv() {
// Just send if there's an actual renderer
if let Some(renderer) = renderer {
self.paint_chan.send(PaintMsg::CanvasLayer(layer_id, renderer));
}
self.paint_chan.send(PaintMsg::CanvasLayer(layer_id, renderer));
}
// Perform post-style recalculation layout passes.