1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "LayerUpdateQueue.h"
18 
19 #include "RenderNode.h"
20 
21 namespace android {
22 namespace uirenderer {
23 
clear()24 void LayerUpdateQueue::clear() {
25     mEntries.clear();
26 }
27 
enqueueLayerWithDamage(RenderNode * renderNode,Rect damage)28 void LayerUpdateQueue::enqueueLayerWithDamage(RenderNode* renderNode, Rect damage) {
29     damage.roundOut();
30     damage.doIntersect(0, 0, renderNode->getWidth(), renderNode->getHeight());
31     if (!damage.isEmpty()) {
32         for (Entry& entry : mEntries) {
33             if (CC_UNLIKELY(entry.renderNode == renderNode)) {
34                 entry.damage.unionWith(damage);
35                 return;
36             }
37         }
38         mEntries.emplace_back(renderNode, damage);
39     }
40 }
41 
42 }  // namespace uirenderer
43 }  // namespace android
44