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canvas: Remove all the canvas layerization infrastructure

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It was never complete, and with webrender as a backend the way we render
WebGL contexts has changed a bit.

This should remove quite a bit of overhead.
This commit is contained in:
Emilio Cobos Álvarez 2016-03-23 16:29:19 +01:00
parent ef8d36d208
commit a02daf7144
8 changed files with 6 additions and 90 deletions
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8
components/layout/display_list_builder.rs
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@ -1197,13 +1197,7 @@ impl FragmentDisplayListBuilding for Fragment {
let (sender, receiver) = ipc::channel().unwrap();
ipc_renderer.send(CanvasMsg::FromLayout(
FromLayoutMsg::SendData(sender))).unwrap();
let data = receiver.recv().unwrap();
// Propagate the layer and the renderer to the paint task.
state.layout_context.shared.canvas_layers_sender.lock().unwrap().send(
(layer_id, (*ipc_renderer).clone())).unwrap();
data
receiver.recv().unwrap()
},
None => CanvasData::Pixels(CanvasPixelData {
image_data: IpcSharedMemory::from_byte(0xFFu8, width * height * 4),