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Add WebRender integration to Servo.

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WebRender is an experimental GPU accelerated rendering backend for Servo.

The WebRender backend can be specified by running Servo with the -w option (otherwise the default rendering backend will be used).

WebRender has many bugs, and missing features - but it is usable to browse most websites - please report any WebRender specific rendering bugs you encounter!
This commit is contained in:
Glenn Watson 2016-02-18 07:57:31 +10:00
parent f7f0eea470
commit c0531c312f
75 changed files with 2869 additions and 888 deletions
Download patch file Download diff file Expand all files Collapse all files

17
components/compositing/constellation.rs
View file

@ -63,6 +63,7 @@ use url::Url;
use util::geometry::PagePx;
use util::thread::spawn_named;
use util::{opts, prefs};
use webrender_traits;
#[derive(Debug, PartialEq)]
enum ReadyToSave {
@ -181,6 +182,9 @@ pub struct Constellation<LTF, STF> {
/// Document states for loaded pipelines (used only when writing screenshots).
document_states: HashMap<PipelineId, DocumentState>,
// Webrender interface, if enabled.
webrender_api_sender: Option<webrender_traits::RenderApiSender>,
}
/// State needed to construct a constellation.
@ -203,6 +207,8 @@ pub struct InitialConstellationState {
pub mem_profiler_chan: mem::ProfilerChan,
/// Whether the constellation supports the clipboard.
pub supports_clipboard: bool,
/// Optional webrender API reference (if enabled).
pub webrender_api_sender: Option<webrender_traits::RenderApiSender>,
}
/// Stores the navigation context for a single frame in the frame tree.
@ -347,6 +353,7 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
scheduler_chan: TimerScheduler::start(),
child_processes: Vec::new(),
document_states: HashMap::new(),
webrender_api_sender: state.webrender_api_sender,
};
let namespace_id = constellation.next_pipeline_namespace_id();
PipelineNamespace::install(namespace_id);
@ -399,6 +406,7 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
load_data: load_data,
device_pixel_ratio: self.window_size.device_pixel_ratio,
pipeline_namespace_id: self.next_pipeline_namespace_id(),
webrender_api_sender: self.webrender_api_sender.clone(),
});
if spawning_paint_only {
@ -1196,7 +1204,9 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
size: &Size2D<i32>,
response_sender: IpcSender<(IpcSender<CanvasMsg>, usize)>) {
let id = self.canvas_paint_threads.len();
let (out_of_process_sender, in_process_sender) = CanvasPaintThread::start(*size);
let webrender_api = self.webrender_api_sender.clone();
let (out_of_process_sender, in_process_sender) = CanvasPaintThread::start(*size,
webrender_api);
self.canvas_paint_threads.push(in_process_sender);
response_sender.send((out_of_process_sender, id)).unwrap()
}
@ -1206,13 +1216,14 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
size: &Size2D<i32>,
attributes: GLContextAttributes,
response_sender: IpcSender<Result<(IpcSender<CanvasMsg>, usize), String>>) {
let response = match WebGLPaintThread::start(*size, attributes) {
let webrender_api = self.webrender_api_sender.clone();
let response = match WebGLPaintThread::start(*size, attributes, webrender_api) {
Ok((out_of_process_sender, in_process_sender)) => {
let id = self.webgl_paint_threads.len();
self.webgl_paint_threads.push(in_process_sender);
Ok((out_of_process_sender, id))
},
Err(msg) => Err(msg.to_owned()),
Err(msg) => Err(msg),
};
response_sender.send(response).unwrap()