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

Clip display list based on frame viewport

Browse source 
Instead of creating a display list for the entire page, only create one
for an area that expands around the viewport. On my machine this makes
incremental layout of http://timecube.com 50% faster.
This commit is contained in:
Martin Robinson 2014-10-22 14:00:09 -07:00
parent f4471f0602
commit c7327450ef
11 changed files with 130 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

6
components/layout/block.rs
View file

@ -48,7 +48,7 @@ use geom::Size2D;
use gfx::display_list::BlockLevel;
use serialize::{Encoder, Encodable};
use servo_msg::compositor_msg::LayerId;
use servo_util::geometry::{Au, MAX_AU, MAX_RECT};
use servo_util::geometry::{Au, MAX_AU};
use servo_util::logical_geometry::{LogicalPoint, LogicalRect, LogicalSize};
use servo_util::opts;
use std::cmp::{max, min};
@ -1665,10 +1665,6 @@ impl Flow for BlockFlow {
// FIXME(#2795): Get the real container size
let container_size = Size2D::zero();
if self.is_root() {
self.base.clip_rect = MAX_RECT;
}
if self.base.flags.is_absolutely_positioned() {
let position_start = self.base.position.start.to_physical(self.base.writing_mode,
container_size);

4
components/layout/display_list_builder.rs
View file

@ -499,6 +499,10 @@ impl FragmentDisplayListBuilding for Fragment {
return
}
if !absolute_fragment_bounds.intersects(clip_rect) {
return;
}
debug!("Fragment::build_display_list: intersected. Adding display item...");
if self.is_primary_fragment() {

2
components/layout/layout_task.rs
View file

@ -625,6 +625,8 @@ impl LayoutTask {
LogicalPoint::zero(writing_mode).to_physical(writing_mode,
rw_data.screen_size);
flow::mut_base(layout_root.deref_mut()).clip_rect = data.page_clip_rect;
let rw_data = rw_data.deref_mut();
match rw_data.parallel_traversal {
None => {