Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-03 04:30:10 +01:00
Code Issues Projects Releases Packages Wiki Activity

Rust upgrade to rustc hash b03a2755193cd756583bcf5831cf4545d75ecb8a

Browse source
This commit is contained in:
Jack Moffitt 2014-11-05 12:33:11 -07:00 • committed by Glenn Watson
parent 26045d7fcb
commit d1b433a3b3
160 changed files with 1427 additions and 1162 deletions
Download patch file Download diff file Expand all files Collapse all files

28
components/gfx/buffer_map.rs
View file

@ -2,7 +2,8 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use std::collections::hashmap::HashMap;
use std::collections::HashMap;
use std::collections::hash_map::{Occupied, Vacant};
use geom::size::Size2D;
use layers::platform::surface::NativePaintingGraphicsContext;
use layers::layers::LayerBuffer;
@ -85,10 +86,17 @@ impl BufferMap {
self.mem += new_buffer.get_mem();
// use lazy insertion function to prevent unnecessary allocation
let counter = &self.counter;
self.map.find_or_insert_with(new_key, |_| BufferValue {
buffers: vec!(),
last_action: *counter
}).buffers.push(new_buffer);
match self.map.entry(new_key) {
Occupied(entry) => {
entry.into_mut().buffers.push(new_buffer);
}
Vacant(entry) => {
entry.set(BufferValue {
buffers: vec!(new_buffer),
last_action: *counter,
});
}
}
let mut opt_key: Option<BufferKey> = None;
while self.mem > self.max_mem {
@ -97,19 +105,19 @@ impl BufferMap {
None => {
match self.map.iter().min_by(|&(_, x)| x.last_action) {
Some((k, _)) => *k,
None => fail!("BufferMap: tried to delete with no elements in map"),
None => panic!("BufferMap: tried to delete with no elements in map"),
}
}
};
if {
let list = &mut self.map.get_mut(&old_key).buffers;
let list = &mut self.map[old_key].buffers;
let condemned_buffer = list.pop().take().unwrap();
self.mem -= condemned_buffer.get_mem();
condemned_buffer.destroy(graphics_context);
list.is_empty()
}
{ // then
self.map.pop(&old_key); // Don't store empty vectors!
self.map.remove(&old_key); // Don't store empty vectors!
opt_key = None;
} else {
opt_key = Some(old_key);
@ -121,7 +129,7 @@ impl BufferMap {
pub fn find(&mut self, size: Size2D<uint>) -> Option<Box<LayerBuffer>> {
let mut flag = false; // True if key needs to be popped after retrieval.
let key = BufferKey::get(size);
let ret = match self.map.find_mut(&key) {
let ret = match self.map.get_mut(&key) {
Some(ref mut buffer_val) => {
buffer_val.last_action = self.counter;
self.counter += 1;
@ -137,7 +145,7 @@ impl BufferMap {
};
if flag {
self.map.pop(&key); // Don't store empty vectors!
self.map.remove(&key); // Don't store empty vectors!
}
ret