1 /*
2 * Copyright (C) 2016 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 // TODO(b/129481165): remove the #pragma below and fix conversion issues
18 #pragma clang diagnostic push
19 #pragma clang diagnostic ignored "-Wconversion"
20
21 #include "LayerVector.h"
22 #include "Layer.h"
23
24 namespace android {
25
LayerVector(const StateSet stateSet)26 LayerVector::LayerVector(const StateSet stateSet) : mStateSet(stateSet) {}
27
LayerVector(const LayerVector & rhs,const StateSet stateSet)28 LayerVector::LayerVector(const LayerVector& rhs, const StateSet stateSet)
29 : SortedVector<sp<Layer>>(rhs), mStateSet(stateSet) {}
30
31 LayerVector::~LayerVector() = default;
32
33 // This operator override is needed to prevent mStateSet from getting copied over.
operator =(const LayerVector & rhs)34 LayerVector& LayerVector::operator=(const LayerVector& rhs) {
35 SortedVector::operator=(rhs);
36 return *this;
37 }
38
do_compare(const void * lhs,const void * rhs) const39 int LayerVector::do_compare(const void* lhs, const void* rhs) const
40 {
41 // sort layers per layer-stack, then by z-order and finally by sequence
42 const auto& l = *reinterpret_cast<const sp<Layer>*>(lhs);
43 const auto& r = *reinterpret_cast<const sp<Layer>*>(rhs);
44
45 const auto& lState = l->getDrawingState();
46 const auto& rState = r->getDrawingState();
47
48 if (l->sequence == r->sequence)
49 return 0;
50
51 return (l->sequence > r->sequence) ? 1 : -1;
52 }
53
54 } // namespace android
55
56 // TODO(b/129481165): remove the #pragma below and fix conversion issues
57 #pragma clang diagnostic pop // ignored "-Wconversion"
58