1 /*
2  * Copyright (C) 2011 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_HWUI_DISPLAY_LIST_LOG_BUFFER_H
18 #define ANDROID_HWUI_DISPLAY_LIST_LOG_BUFFER_H
19 
20 #include <utils/Singleton.h>
21 
22 #include <stdio.h>
23 
24 namespace android {
25 namespace uirenderer {
26 
27 class DisplayListLogBuffer: public Singleton<DisplayListLogBuffer> {
28     DisplayListLogBuffer();
29     ~DisplayListLogBuffer();
30 
31     friend class Singleton<DisplayListLogBuffer>;
32 
33 public:
34     void writeCommand(int level, const char* label);
35     void outputCommands(FILE *file);
36 
isEmpty()37     bool isEmpty() {
38         return (mStart == mEnd);
39     }
40 
41     struct OpLog {
42         int level;
43         const char* label;
44     };
45 
46 private:
47     OpLog* mBufferFirst; // where the memory starts
48     OpLog* mStart;       // where the current command stream starts
49     OpLog* mEnd;         // where the current commands end
50     OpLog* mBufferLast;  // where the buffer memory ends
51 
52 };
53 
54 }; // namespace uirenderer
55 }; // namespace android
56 
57 #endif // ANDROID_HWUI_DISPLAY_LIST_LOG_BUFFER_H
58