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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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24
components/layout/display_list_builder.rs
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@ -21,6 +21,7 @@ use list_item::ListItemFlow;
use model::{self, MaybeAuto, ToGfxMatrix, ToAu};
use table_cell::CollapsedBordersForCell;
use canvas_traits::{CanvasMsg, FromLayoutMsg};
use euclid::{Point2D, Point3D, Rect, Size2D, SideOffsets2D};
use euclid::Matrix4;
use gfx_traits::color;
@ -32,7 +33,7 @@ use gfx::display_list::{GradientStop, ImageDisplayItem, LineDisplayItem};
use gfx::display_list::{OpaqueNode, SolidColorDisplayItem};
use gfx::display_list::{StackingContext, TextDisplayItem, TextOrientation};
use gfx::paint_task::{PaintLayer, THREAD_TINT_COLORS};
use ipc_channel::ipc::IpcSharedMemory;
use ipc_channel::ipc::{self, IpcSharedMemory};
use msg::compositor_msg::{ScrollPolicy, LayerId};
use msg::constellation_msg::ConstellationChan;
use msg::constellation_msg::Msg as ConstellationMsg;
@ -41,6 +42,7 @@ use net_traits::image::base::{Image, PixelFormat};
use std::cmp;
use std::default::Default;
use std::sync::Arc;
use std::sync::mpsc::channel;
use std::f32;
use style::computed_values::filter::Filter;
use style::computed_values::{background_attachment, background_clip, background_origin,
@ -60,9 +62,6 @@ use util::geometry::{Au, ZERO_POINT};
use util::logical_geometry::{LogicalPoint, LogicalRect, LogicalSize, WritingMode};
use util::opts;
use canvas_traits::{CanvasMsg, CanvasCommonMsg};
use std::sync::mpsc::channel;
/// A possible `PaintLayer` for an stacking context
pub enum StackingContextLayer {
Existing(PaintLayer),
@ -1099,11 +1098,11 @@ impl FragmentDisplayListBuilding for Fragment {
.computed_inline_size.map_or(0, |w| w.to_px() as usize);
let height = canvas_fragment_info.replaced_image_fragment_info
.computed_block_size.map_or(0, |h| h.to_px() as usize);
let (sender, receiver) = channel::<IpcSharedMemory>();
let canvas_data = match canvas_fragment_info.renderer {
Some(ref renderer) => {
renderer.lock().unwrap().send(CanvasMsg::Common(
CanvasCommonMsg::SendPixelContents(sender))).unwrap();
let (sender, receiver) = ipc::channel::<IpcSharedMemory>().unwrap();
let canvas_data = match canvas_fragment_info.ipc_renderer {
Some(ref ipc_renderer) => {
ipc_renderer.lock().unwrap().send(CanvasMsg::FromLayout(
FromLayoutMsg::SendPixelContents(sender))).unwrap();
receiver.recv().unwrap()
},
None => IpcSharedMemory::from_byte(0xFFu8, width * height * 4),
@ -1248,8 +1247,11 @@ impl FragmentDisplayListBuilding for Fragment {
// task
if let SpecificFragmentInfo::Canvas(ref fragment_info) = self.specific {
let layer_id = layer.as_ref().unwrap().id;
layout_context.shared.canvas_layers_sender
.send((layer_id, fragment_info.renderer.clone())).unwrap();
if let Some(ref ipc_renderer) = fragment_info.ipc_renderer {
layout_context.shared
.canvas_layers_sender
.send((layer_id, (*ipc_renderer.lock().unwrap()).clone())).unwrap();
}
}
let transform_style = self.style().get_used_transform_style();