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script: Make most of 2D canvas and WebGL run over IPC.
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.
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39 changed files with 694 additions and 365 deletions
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@ -21,6 +21,7 @@ use list_item::ListItemFlow;
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use model::{self, MaybeAuto, ToGfxMatrix, ToAu};
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use table_cell::CollapsedBordersForCell;
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use canvas_traits::{CanvasMsg, FromLayoutMsg};
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use euclid::{Point2D, Point3D, Rect, Size2D, SideOffsets2D};
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use euclid::Matrix4;
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use gfx_traits::color;
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@ -32,7 +33,7 @@ use gfx::display_list::{GradientStop, ImageDisplayItem, LineDisplayItem};
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use gfx::display_list::{OpaqueNode, SolidColorDisplayItem};
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use gfx::display_list::{StackingContext, TextDisplayItem, TextOrientation};
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use gfx::paint_task::{PaintLayer, THREAD_TINT_COLORS};
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use ipc_channel::ipc::IpcSharedMemory;
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use ipc_channel::ipc::{self, IpcSharedMemory};
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use msg::compositor_msg::{ScrollPolicy, LayerId};
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use msg::constellation_msg::ConstellationChan;
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use msg::constellation_msg::Msg as ConstellationMsg;
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@ -41,6 +42,7 @@ use net_traits::image::base::{Image, PixelFormat};
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use std::cmp;
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use std::default::Default;
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use std::sync::Arc;
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use std::sync::mpsc::channel;
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use std::f32;
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use style::computed_values::filter::Filter;
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use style::computed_values::{background_attachment, background_clip, background_origin,
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@ -60,9 +62,6 @@ use util::geometry::{Au, ZERO_POINT};
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use util::logical_geometry::{LogicalPoint, LogicalRect, LogicalSize, WritingMode};
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use util::opts;
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use canvas_traits::{CanvasMsg, CanvasCommonMsg};
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use std::sync::mpsc::channel;
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/// A possible `PaintLayer` for an stacking context
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pub enum StackingContextLayer {
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Existing(PaintLayer),
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@ -1099,11 +1098,11 @@ impl FragmentDisplayListBuilding for Fragment {
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.computed_inline_size.map_or(0, |w| w.to_px() as usize);
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let height = canvas_fragment_info.replaced_image_fragment_info
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.computed_block_size.map_or(0, |h| h.to_px() as usize);
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let (sender, receiver) = channel::<IpcSharedMemory>();
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let canvas_data = match canvas_fragment_info.renderer {
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Some(ref renderer) => {
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renderer.lock().unwrap().send(CanvasMsg::Common(
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CanvasCommonMsg::SendPixelContents(sender))).unwrap();
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let (sender, receiver) = ipc::channel::<IpcSharedMemory>().unwrap();
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let canvas_data = match canvas_fragment_info.ipc_renderer {
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Some(ref ipc_renderer) => {
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ipc_renderer.lock().unwrap().send(CanvasMsg::FromLayout(
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FromLayoutMsg::SendPixelContents(sender))).unwrap();
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receiver.recv().unwrap()
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},
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None => IpcSharedMemory::from_byte(0xFFu8, width * height * 4),
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@ -1248,8 +1247,11 @@ impl FragmentDisplayListBuilding for Fragment {
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// task
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if let SpecificFragmentInfo::Canvas(ref fragment_info) = self.specific {
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let layer_id = layer.as_ref().unwrap().id;
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layout_context.shared.canvas_layers_sender
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.send((layer_id, fragment_info.renderer.clone())).unwrap();
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if let Some(ref ipc_renderer) = fragment_info.ipc_renderer {
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layout_context.shared
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.canvas_layers_sender
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.send((layer_id, (*ipc_renderer.lock().unwrap()).clone())).unwrap();
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}
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}
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let transform_style = self.style().get_used_transform_style();
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