Update to reflect rust-layers changes

It is no longer necessary to flush pending buffer requests when adding
buffers nor to manually create textures for layers.

src/components/compositing/compositor.rs

@@ -28,7 +28,6 @@ use geom::size::TypedSize2D;
 use geom::scale_factor::ScaleFactor;
 use gfx::render_task::ReRenderMsg;
 use layers::layers::LayerBufferSet;
-use layers::platform::surface::NativeCompositingGraphicsContext;
 use layers::rendergl;
 use layers::rendergl::RenderContext;
 use layers::scene::Scene;
@@ -81,9 +80,6 @@ pub struct IOCompositor {
     /// The device pixel ratio for this window.
     hidpi_factor: ScaleFactor<ScreenPx, DevicePixel, f32>,
 
-    /// The platform-specific graphics context.
-    graphics_context: NativeCompositingGraphicsContext,
-
     /// Tracks whether the renderer has finished its first rendering
     composite_ready: bool,
 
@@ -151,12 +147,11 @@ impl IOCompositor {
             window: window,
             port: port,
             opts: opts,
-            context: rendergl::init_render_context(),
+            context: rendergl::init_render_context(CompositorTask::create_graphics_context()),
             root_pipeline: None,
             scene: Scene::new(window_size.as_f32().to_untyped(), identity()),
             window_size: window_size,
             hidpi_factor: hidpi_factor,
-            graphics_context: CompositorTask::create_graphics_context(),
             composite_ready: false,
             shutdown_state: NotShuttingDown,
             recomposite: false,
@@ -498,7 +493,6 @@ impl IOCompositor {
                                                                             layer_id) {
                     Some(ref layer) => {
                         assert!(CompositorData::add_buffers(layer.clone(),
-                                                            &self.graphics_context,
                                                             new_layer_buffer_set,
                                                             epoch));
                         self.recomposite = true;
@@ -750,7 +744,6 @@ impl IOCompositor {
                 let recomposite =
                     CompositorData::get_buffer_requests_recursively(&mut request_map,
                                                                     layer.clone(),
-                                                                    &self.graphics_context,
                                                                     rect,
                                                                     scale.get());
                 for (_pipeline_id, (chan, requests)) in request_map.move_iter() {

src/components/compositing/compositor_data.rs

@@ -10,9 +10,9 @@ use azure::azure_hl::Color;
 use geom::point::TypedPoint2D;
 use geom::rect::Rect;
 use geom::size::{Size2D, TypedSize2D};
-use gfx::render_task::{ReRenderRequest, ReRenderMsg, RenderChan, UnusedBufferMsg};
+use gfx::render_task::{ReRenderRequest, RenderChan, UnusedBufferMsg};
 use layers::layers::{Layer, LayerBufferSet};
-use layers::platform::surface::{NativeCompositingGraphicsContext, NativeSurfaceMethods};
+use layers::platform::surface::NativeSurfaceMethods;
 use servo_msg::compositor_msg::{Epoch, FixedPosition, LayerId};
 use servo_msg::compositor_msg::ScrollPolicy;
 use servo_msg::constellation_msg::PipelineId;
@@ -112,7 +112,6 @@ impl CompositorData {
                                                                   (RenderChan,
                                                                    Vec<ReRenderRequest>)>,
                                            layer: Rc<Layer<CompositorData>>,
-                                           graphics_context: &NativeCompositingGraphicsContext,
                                            window_rect: Rect<f32>,
                                            scale: f32)
                                            -> bool {
@@ -138,10 +137,6 @@ impl CompositorData {
             vec.push(msg);
         }
 
-        if redisplay {
-            layer.create_textures(graphics_context);
-        }
-
         let get_child_buffer_request = |kid: &Rc<Layer<CompositorData>>| -> bool {
             let mut new_rect = window_rect;
             let offset = kid.extra_data.borrow().scroll_offset.to_untyped();
@@ -156,7 +151,6 @@ impl CompositorData {
                                           new_rect.size);
                     CompositorData::get_buffer_requests_recursively(requests,
                                                                     kid.clone(),
-                                                                    graphics_context,
                                                                     child_rect,
                                                                     scale)
                 }
@@ -254,7 +248,6 @@ impl CompositorData {
     // If the epoch of the message does not match the layer's epoch, the message is ignored, the
     // layer buffer set is consumed, and None is returned.
     pub fn add_buffers(layer: Rc<Layer<CompositorData>>,
-                       graphics_context: &NativeCompositingGraphicsContext,
                        new_buffers: Box<LayerBufferSet>,
                        epoch: Epoch)
                        -> bool {
@@ -278,21 +271,8 @@ impl CompositorData {
                 let msg = UnusedBufferMsg(unused_buffers);
                 let _ = layer.extra_data.borrow().pipeline.render_chan.send_opt(msg);
             }
-
-            let (pending_buffer_requests, scale) = layer.flush_pending_buffer_requests();
-            if !pending_buffer_requests.is_empty() {
-                let mut requests = Vec::new();
-                requests.push(ReRenderRequest {
-                    buffer_requests: pending_buffer_requests,
-                    scale: scale,
-                    layer_id: layer.extra_data.borrow().id,
-                    epoch: layer.extra_data.borrow().epoch,
-                });
-                let _ = layer.extra_data.borrow().pipeline.render_chan.send_opt(ReRenderMsg(requests));
-            }
         }
 
-        layer.create_textures(graphics_context);
         return true;
     }
 

src/support/layers/rust-layers

@@ -1 +1 @@
-Subproject commit ff77c40da5b2406cb52deea6e8830182e22bda3a
+Subproject commit 0f47c0a74863ccc7819c6667a4556f7b9b585670