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authorJosh Matthews <josh@joshmatthews.net>2019-11-12 12:15:30 -0500
committerJosh Matthews <josh@joshmatthews.net>2019-11-13 11:54:51 -0500
commitedcdcf7c130d820b16d016b41979ec02fda08e77 (patch)
tree117372f93f8768b842dc625a16c1eb370fb052cf /components
parent808c34498b3120ee6b93247b664421f723184ab5 (diff)
downloadservo-edcdcf7c130d820b16d016b41979ec02fda08e77.tar.gz
servo-edcdcf7c130d820b16d016b41979ec02fda08e77.zip
layout: Inform webrender about new pipeline as early as possible.
Diffstat (limited to 'components')
-rw-r--r--components/layout_thread/lib.rs18
-rw-r--r--components/layout_thread_2020/lib.rs14
2 files changed, 30 insertions, 2 deletions
diff --git a/components/layout_thread/lib.rs b/components/layout_thread/lib.rs
index 48b7591c242..848ed595381 100644
--- a/components/layout_thread/lib.rs
+++ b/components/layout_thread/lib.rs
@@ -532,6 +532,20 @@ impl LayoutThread {
trace_layout: bool,
dump_flow_tree: bool,
) -> LayoutThread {
+ // Let webrender know about this pipeline by sending an empty display list.
+ let mut epoch = Epoch(0);
+ let webrender_api = webrender_api_sender.create_api();
+ let mut txn = webrender_api::Transaction::new();
+ txn.set_display_list(
+ webrender_api::Epoch(epoch.0),
+ None,
+ Default::default(),
+ (id.to_webrender(), Default::default(), Default::default()),
+ false,
+ );
+ webrender_api.send_transaction(webrender_document, txn);
+ epoch.next();
+
let device = Device::new(
MediaType::screen(),
window_size.initial_viewport,
@@ -576,9 +590,9 @@ impl LayoutThread {
document_shared_lock: None,
running_animations: ServoArc::new(RwLock::new(Default::default())),
expired_animations: ServoArc::new(RwLock::new(Default::default())),
- epoch: Cell::new(Epoch(0)),
+ epoch: Cell::new(epoch),
viewport_size: Size2D::new(Au(0), Au(0)),
- webrender_api: webrender_api_sender.create_api(),
+ webrender_api,
webrender_document,
stylist: Stylist::new(device, QuirksMode::NoQuirks),
rw_data: Arc::new(Mutex::new(LayoutThreadData {
diff --git a/components/layout_thread_2020/lib.rs b/components/layout_thread_2020/lib.rs
index 106dace088b..bf18c584231 100644
--- a/components/layout_thread_2020/lib.rs
+++ b/components/layout_thread_2020/lib.rs
@@ -450,6 +450,20 @@ impl LayoutThread {
window_size: WindowSizeData,
relayout_event: bool,
) -> LayoutThread {
+ // Let webrender know about this pipeline by sending an empty display list.
+ let mut epoch = Epoch(0);
+ let webrender_api = webrender_api_sender.create_api();
+ let mut txn = webrender_api::Transaction::new();
+ txn.set_display_list(
+ webrender_api::Epoch(epoch.0),
+ None,
+ Default::default(),
+ (id.to_webrender(), Default::default(), Default::default()),
+ false,
+ );
+ webrender_api.send_transaction(webrender_document, txn);
+ epoch.next();
+
// The device pixel ratio is incorrect (it does not have the hidpi value),
// but it will be set correctly when the initial reflow takes place.
let device = Device::new(