Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-06 14:10:11 +01:00
Code Issues Projects Releases Packages Wiki Activity

Store pipelines in the Compositor

Browse source 
Instead of cloning pipelines and storing them once per layer, store
them globally in the compositor and access them via id. This trades
lots of unnecessary duplication for a HashMap lookup.
This commit is contained in:
Martin Robinson 2015-01-06 15:23:53 -08:00
parent c5994c65ef
commit b60f354405
2 changed files with 96 additions and 82 deletions
Download patch file Download diff file Expand all files Collapse all files

81
components/compositing/compositor_layer.rs
View file

@ -3,7 +3,7 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use compositor_task::LayerProperties;
use pipeline::CompositionPipeline;
use compositor::IOCompositor;
use windowing::{MouseWindowEvent, WindowMethods};
use azure::azure_hl;
@ -20,13 +20,15 @@ use layers::platform::surface::NativeSurfaceMethods;
use script_traits::CompositorEvent::{ClickEvent, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
use script_traits::{ScriptControlChan, ConstellationControlMsg};
use servo_msg::compositor_msg::{Epoch, LayerId, ScrollPolicy};
use servo_msg::constellation_msg::PipelineId;
use std::num::Float;
use std::num::FloatMath;
use std::rc::Rc;
pub struct CompositorData {
/// This layer's pipeline. BufferRequests and mouse events will be sent through this.
pub pipeline: CompositionPipeline,
/// This layer's pipeline id. The compositor can associate this id with an
/// actual CompositionPipeline.
pub pipeline_id: PipelineId,
/// The ID of this layer within the pipeline.
pub id: LayerId,
@ -47,13 +49,12 @@ pub struct CompositorData {
}
impl CompositorData {
pub fn new_layer(pipeline: CompositionPipeline,
layer_properties: LayerProperties,
pub fn new_layer(layer_properties: LayerProperties,
wants_scroll_events: WantsScrollEventsFlag,
tile_size: uint)
-> Rc<Layer<CompositorData>> {
let new_compositor_data = CompositorData {
pipeline: pipeline,
pipeline_id: layer_properties.pipeline_id,
id: layer_properties.id,
wants_scroll_events: wants_scroll_events,
scroll_policy: layer_properties.scroll_policy,
@ -68,20 +69,24 @@ impl CompositorData {
}
}
pub trait CompositorLayer {
pub trait CompositorLayer<Window: WindowMethods> {
fn update_layer_except_bounds(&self, layer_properties: LayerProperties);
fn update_layer(&self, layer_properties: LayerProperties);
fn add_buffers(&self, new_buffers: Box<LayerBufferSet>, epoch: Epoch) -> bool;
fn add_buffers(&self,
compositor: &IOCompositor<Window>,
new_buffers: Box<LayerBufferSet>,
epoch: Epoch)
-> bool;
/// Destroys all layer tiles, sending the buffers back to the painter to be destroyed or
/// reused.
fn clear(&self);
fn clear(&self, compositor: &IOCompositor<Window>);
/// Destroys tiles for this layer and all descendent layers, sending the buffers back to the
/// painter to be destroyed or reused.
fn clear_all_tiles(&self);
fn clear_all_tiles(&self, compositor: &IOCompositor<Window>);
/// Destroys all tiles of all layers, including children, *without* sending them back to the
/// painter. You must call this only when the paint task is destined to be going down;
@ -104,10 +109,12 @@ pub trait CompositorLayer {
// sends the event off to the appropriate pipeline. NB: the cursor position is in
// page coordinates.
fn send_mouse_event(&self,
compositor: &IOCompositor<Window>,
event: MouseWindowEvent,
cursor: TypedPoint2D<LayerPixel, f32>);
fn send_mouse_move_event(&self,
compositor: &IOCompositor<Window>,
cursor: TypedPoint2D<LayerPixel, f32>);
fn clamp_scroll_offset_and_scroll_layer(&self,
@ -120,6 +127,9 @@ pub trait CompositorLayer {
/// Return a flag describing how this layer deals with scroll events.
fn wants_scroll_events(&self) -> WantsScrollEventsFlag;
/// Return the pipeline id associated with this layer.
fn get_pipeline_id(&self) -> PipelineId;
}
#[deriving(Copy, PartialEq, Clone)]
@ -165,7 +175,7 @@ pub enum ScrollEventResult {
ScrollPositionUnchanged,
}
impl CompositorLayer for Layer<CompositorData> {
impl<Window: WindowMethods> CompositorLayer<Window> for Layer<CompositorData> {
fn update_layer_except_bounds(&self, layer_properties: LayerProperties) {
self.extra_data.borrow_mut().epoch = layer_properties.epoch;
self.extra_data.borrow_mut().scroll_policy = layer_properties.scroll_policy;
@ -190,33 +200,35 @@ impl CompositorLayer for Layer<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.
fn add_buffers(&self, new_buffers: Box<LayerBufferSet>, epoch: Epoch) -> bool {
fn add_buffers(&self,
compositor: &IOCompositor<Window>,
new_buffers: Box<LayerBufferSet>,
epoch: Epoch)
-> bool {
if self.extra_data.borrow().epoch != epoch {
debug!("add_buffers: compositor epoch mismatch: {} != {}, id: {}",
self.extra_data.borrow().epoch,
epoch,
self.extra_data.borrow().pipeline.id);
let msg = PaintMsg::UnusedBuffer(new_buffers.buffers);
let _ = self.extra_data.borrow().pipeline.paint_chan.send_opt(msg);
self.get_pipeline_id());
let pipeline = compositor.get_pipeline(self.get_pipeline_id());
let _ = pipeline.paint_chan.send_opt(PaintMsg::UnusedBuffer(new_buffers.buffers));
return false;
}
{
for buffer in new_buffers.buffers.into_iter().rev() {
self.add_buffer(buffer);
}
for buffer in new_buffers.buffers.into_iter().rev() {
self.add_buffer(buffer);
}
let unused_buffers = self.collect_unused_buffers();
if !unused_buffers.is_empty() { // send back unused buffers
let msg = PaintMsg::UnusedBuffer(unused_buffers);
let _ = self.extra_data.borrow().pipeline.paint_chan.send_opt(msg);
}
let unused_buffers = self.collect_unused_buffers();
if !unused_buffers.is_empty() { // send back unused buffers
let pipeline = compositor.get_pipeline(self.get_pipeline_id());
let _ = pipeline.paint_chan.send_opt(PaintMsg::UnusedBuffer(unused_buffers));
}
return true;
}
fn clear(&self) {
fn clear(&self, compositor: &IOCompositor<Window>) {
let mut buffers = self.collect_buffers();
if !buffers.is_empty() {
@ -227,16 +239,17 @@ impl CompositorLayer for Layer<CompositorData> {
buffer.mark_wont_leak()
}
let _ = self.extra_data.borrow().pipeline.paint_chan.send_opt(PaintMsg::UnusedBuffer(buffers));
let pipeline = compositor.get_pipeline(self.get_pipeline_id());
let _ = pipeline.paint_chan.send_opt(PaintMsg::UnusedBuffer(buffers));
}
}
/// Destroys tiles for this layer and all descendent layers, sending the buffers back to the
/// painter to be destroyed or reused.
fn clear_all_tiles(&self) {
self.clear();
fn clear_all_tiles(&self, compositor: &IOCompositor<Window>) {
self.clear(compositor);
for kid in self.children().iter() {
kid.clear_all_tiles();
kid.clear_all_tiles(compositor);
}
}
@ -314,6 +327,7 @@ impl CompositorLayer for Layer<CompositorData> {
}
fn send_mouse_event(&self,
compositor: &IOCompositor<Window>,
event: MouseWindowEvent,
cursor: TypedPoint2D<LayerPixel, f32>) {
let event_point = cursor.to_untyped();
@ -325,15 +339,17 @@ impl CompositorLayer for Layer<CompositorData> {
MouseWindowEvent::MouseUp(button, _) =>
MouseUpEvent(button, event_point),
};
let pipeline = &self.extra_data.borrow().pipeline;
let pipeline = compositor.get_pipeline(self.get_pipeline_id());
let ScriptControlChan(ref chan) = pipeline.script_chan;
let _ = chan.send_opt(ConstellationControlMsg::SendEvent(pipeline.id.clone(), message));
}
fn send_mouse_move_event(&self,
compositor: &IOCompositor<Window>,
cursor: TypedPoint2D<LayerPixel, f32>) {
let message = MouseMoveEvent(cursor.to_untyped());
let pipeline = &self.extra_data.borrow().pipeline;
let pipeline = compositor.get_pipeline(self.get_pipeline_id());
let ScriptControlChan(ref chan) = pipeline.script_chan;
let _ = chan.send_opt(ConstellationControlMsg::SendEvent(pipeline.id.clone(), message));
}
@ -362,4 +378,7 @@ impl CompositorLayer for Layer<CompositorData> {
self.extra_data.borrow().wants_scroll_events
}
fn get_pipeline_id(&self) -> PipelineId {
self.extra_data.borrow().pipeline_id
}
}