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render task no longer copies the layer buffer sets before sending paint messages -- uses an ARC instead

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This commit is contained in:
Tim Kuehn 2013-07-03 16:28:26 -07:00
parent 6ba2f8d535
commit dc8e3cbf9b
3 changed files with 30 additions and 23 deletions
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28
src/components/gfx/render_task.rs
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@ -25,6 +25,8 @@ use std::uint;
use servo_util::time::{ProfilerChan, profile};
use servo_util::time;
use extra::arc;
pub struct RenderLayer {
display_list: DisplayList<()>,
size: Size2D<uint>
@ -73,7 +75,7 @@ priv struct RenderTask<C> {
/// Permission to send paint messages to the compositor
paint_permission: bool,
/// Cached copy of last layers rendered
last_paint_msg: Option<(LayerBufferSet, Size2D<uint>)>,
last_paint_msg: Option<(arc::ARC<LayerBufferSet>, Size2D<uint>)>,
}
impl<C: RenderListener + Owned> RenderTask<C> {
@ -83,32 +85,33 @@ impl<C: RenderListener + Owned> RenderTask<C> {
opts: Opts,
constellation_chan: ConstellationChan,
profiler_chan: ProfilerChan) {
let compositor_cell = Cell::new(compositor);
let opts_cell = Cell::new(opts);
let compositor = Cell::new(compositor);
let opts = Cell::new(opts);
let port = Cell::new(port);
let constellation_chan = Cell::new(constellation_chan);
let profiler_chan = Cell::new(profiler_chan);
do spawn {
let compositor = compositor_cell.take();
let compositor = compositor.take();
let share_gl_context = compositor.get_gl_context();
let opts = opts_cell.with_ref(|o| copy *o);
let profiler_chan = profiler_chan.clone();
let profiler_chan_clone = profiler_chan.clone();
let opts = opts.take();
let constellation_chan = constellation_chan.take();
let profiler_chan = profiler_chan.take();
// FIXME: rust/#5967
let mut render_task = RenderTask {
id: id,
port: port.take(),
compositor: compositor,
font_ctx: @mut FontContext::new(opts.render_backend,
font_ctx: @mut FontContext::new(copy opts.render_backend,
false,
profiler_chan),
opts: opts_cell.take(),
profiler_chan: profiler_chan_clone,
profiler_chan.clone()),
opts: opts,
profiler_chan: profiler_chan,
share_gl_context: share_gl_context,
render_layer: None,
constellation_chan: constellation_chan.take(),
constellation_chan: constellation_chan,
paint_permission: false,
last_paint_msg: None,
};
@ -232,6 +235,7 @@ impl<C: RenderListener + Owned> RenderTask<C> {
let layer_buffer_set = LayerBufferSet {
buffers: new_buffers,
};
let layer_buffer_set = arc::ARC(layer_buffer_set);
debug!("render_task: returning surface");
if self.paint_permission {