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compositing: Support multiple events per frame.

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Improves scrolling performance on Mac.
This commit is contained in:
Patrick Walton 2015-05-15 15:07:26 -07:00
parent e52197d126
commit 0098d9e9e8
12 changed files with 67 additions and 59 deletions
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23
components/compositing/compositor.rs
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@ -1003,7 +1003,8 @@ impl<Window: WindowMethods> IOCompositor<Window> {
if pipeline_details.animations_running ||
pipeline_details.animation_callbacks_running {
self.constellation_chan.0.send(ConstellationMsg::TickAnimation(*pipeline_id)).unwrap();
self.constellation_chan.0.send(ConstellationMsg::TickAnimation(*pipeline_id))
.unwrap();
}
}
}
@ -1064,7 +1065,10 @@ impl<Window: WindowMethods> IOCompositor<Window> {
if let Some(min_zoom) = self.min_viewport_zoom.as_ref() {
viewport_zoom = min_zoom.get().max(viewport_zoom)
}
let viewport_zoom = self.max_viewport_zoom.as_ref().map_or(1., |z| z.get()).min(viewport_zoom);
let viewport_zoom = self.max_viewport_zoom
.as_ref()
.map_or(1., |z| z.get())
.min(viewport_zoom);
let viewport_zoom = ScaleFactor::new(viewport_zoom);
self.viewport_zoom = viewport_zoom;
@ -1355,7 +1359,12 @@ impl<Window: WindowMethods> IOCompositor<Window> {
rv
}
fn draw_png(&self, framebuffer_ids: Vec<gl::GLuint>, texture_ids: Vec<gl::GLuint>, width: usize, height: usize) -> png::Image {
fn draw_png(&self,
framebuffer_ids: Vec<gl::GLuint>,
texture_ids: Vec<gl::GLuint>,
width: usize,
height: usize)
-> png::Image {
let mut pixels = gl::read_pixels(0, 0,
width as gl::GLsizei,
height as gl::GLsizei,
@ -1489,7 +1498,7 @@ fn find_layer_with_pipeline_and_layer_id_for_layer(layer: Rc<Layer<CompositorDat
}
impl<Window> CompositorEventListener for IOCompositor<Window> where Window: WindowMethods {
fn handle_event(&mut self, msg: WindowEvent) -> bool {
fn handle_events(&mut self, messages: Vec<WindowEvent>) -> bool {
// Check for new messages coming from the other tasks in the system.
loop {
match self.port.try_recv_compositor_msg() {
@ -1509,8 +1518,10 @@ impl<Window> CompositorEventListener for IOCompositor<Window> where Window: Wind
return false;
}
// Handle the message coming from the windowing system.
self.handle_window_message(msg);
// Handle any messages coming from the windowing system.
for message in messages.into_iter() {
self.handle_window_message(message);
}
// If a pinch-zoom happened recently, ask for tiles at the new resolution
if self.zoom_action && precise_time_s() - self.zoom_time > 0.3 {