blob: bd0e35aadbb402c007d01929f72c1e2472e7d4c2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* Copyright (C) 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SKIA_WRAPPER_H_
#define SKIA_WRAPPER_H_
#include <SkRefCnt.h>
#include <utils/RefBase.h>
namespace android::uirenderer {
template <typename T>
class SkiaWrapper : public VirtualLightRefBase {
public:
sk_sp<T> getInstance() {
if (mInstance != nullptr && shouldDiscardInstance()) {
mInstance = nullptr;
}
if (mInstance == nullptr) {
mInstance = createInstance();
mGenerationId++;
}
return mInstance;
}
virtual bool shouldDiscardInstance() const { return false; }
void discardInstance() { mInstance = nullptr; }
[[nodiscard]] int32_t getGenerationId() const { return mGenerationId; }
protected:
virtual sk_sp<T> createInstance() = 0;
private:
sk_sp<T> mInstance = nullptr;
int32_t mGenerationId = 0;
};
} // namespace android::uirenderer
#endif // SKIA_WRAPPER_H_
|