1 /*
2  * Copyright 2019 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 #pragma once
18 
19 #include <atomic>
20 #include <mutex>
21 #include <string>
22 
23 class DebugEGLImageTracker {
24 public:
25     static DebugEGLImageTracker *getInstance();
26 
27     virtual void create(const char *from) = 0;
28     virtual void destroy(const char *from) = 0;
29 
30     virtual void dump(std::string &result) = 0;
31 
32 protected:
33     DebugEGLImageTracker() = default;
34     virtual ~DebugEGLImageTracker() = default;
35     DebugEGLImageTracker(const DebugEGLImageTracker &) = delete;
36 
37     static std::mutex mInstanceLock;
38     static std::atomic<DebugEGLImageTracker *> mInstance;
39 };
40 
41 #define DEBUG_EGL_IMAGE_TRACKER_CREATE() \
42     (DebugEGLImageTracker::getInstance()->create(__PRETTY_FUNCTION__))
43 #define DEBUG_EGL_IMAGE_TRACKER_DESTROY() \
44     (DebugEGLImageTracker::getInstance()->destroy(__PRETTY_FUNCTION__))