1 /*
2  * Copyright (C) 2017 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 #ifndef ANDROID_RS_FALLBACK_ADAPTATION_H
18 #define ANDROID_RS_FALLBACK_ADAPTATION_H
19 
20 struct dispatchTable;
21 
22 /*
23  * RsFallbackAdaptation is a singleton class, for accessing
24  * CPU fallback implementation.
25  */
26 class RsFallbackAdaptation
27 {
28 public:
29     static RsFallbackAdaptation& GetInstance();
30     static const dispatchTable* GetEntryFuncs();
31 
32 private:
33     RsFallbackAdaptation();
34 
35     // Dispatch table entries for CPU fallback. The dispatch table is initialized by the
36     // constructor of this singleton class, to avoid concurrency issues.
37     static dispatchTable mEntryFuncs;
38 };
39 
40 #endif // ANDROID_RS_FALLBACK_ADAPTATION_H
41