Add WebRender integration to Servo.

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!

1 files changed, 7 insertions, 1 deletions

diff --git a/components/compositing/pipeline.rs b/components/compositing/pipeline.rs
index 2a4e3b1999e..bbf892048c8 100644
--- a/components/compositing/pipeline.rs
+++ b/components/compositing/pipeline.rs
@@ -35,6 +35,7 @@ use util::geometry::{PagePx, ViewportPx};
 use util::ipc::OptionalIpcSender;
 use util::opts::{self, Opts};
 use util::prefs;
+use webrender_traits;
 
 /// A uniquely-identifiable pipeline of script thread, layout thread, and paint thread.
 pub struct Pipeline {
@@ -113,6 +114,8 @@ pub struct InitialPipelineState {
     pub load_data: LoadData,
     /// The ID of the pipeline namespace for this script thread.
     pub pipeline_namespace_id: PipelineNamespaceId,
+    /// Optional webrender api (if enabled).
+    pub webrender_api_sender: Option<webrender_traits::RenderApiSender>,
 }
 
 impl Pipeline {
@@ -225,6 +228,7 @@ impl Pipeline {
             layout_content_process_shutdown_port: layout_content_process_shutdown_port,
             script_content_process_shutdown_chan: script_content_process_shutdown_chan,
             script_content_process_shutdown_port: script_content_process_shutdown_port,
+            webrender_api_sender: state.webrender_api_sender,
         };
 
         let privileged_pipeline_content = PrivilegedPipelineContent {
@@ -376,6 +380,7 @@ pub struct UnprivilegedPipelineContent {
     layout_content_process_shutdown_port: IpcReceiver<()>,
     script_content_process_shutdown_chan: IpcSender<()>,
     script_content_process_shutdown_port: IpcReceiver<()>,
+    webrender_api_sender: Option<webrender_traits::RenderApiSender>,
 }
 
 impl UnprivilegedPipelineContent {
@@ -419,7 +424,8 @@ impl UnprivilegedPipelineContent {
                                   self.time_profiler_chan,
                                   self.mem_profiler_chan,
                                   self.layout_shutdown_chan,
-                                  self.layout_content_process_shutdown_chan.clone());
+                                  self.layout_content_process_shutdown_chan.clone(),
+                                  self.webrender_api_sender);
 
         if wait_for_completion {
             self.script_content_process_shutdown_port.recv().unwrap();