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
24namespace android {
25namespace uirenderer {
26
27class DisplayListLogBuffer: public Singleton<DisplayListLogBuffer> {
28    DisplayListLogBuffer();
29    ~DisplayListLogBuffer();
30
31    friend class Singleton<DisplayListLogBuffer>;
32
33public:
34    void writeCommand(int level, int op);
35    void writeInt(int value);
36    void outputCommands(FILE *file, const char* opNames[]);
37
38    bool isEmpty() {
39        return (mStart == mEnd);
40    }
41
42private:
43    int *mBufferFirst; // where the memory starts
44    int* mStart;       // where the current command stream starts
45    int* mEnd;         // where the current commands end
46    int* mBufferLast;  // where the buffer memory ends
47
48};
49
50}; // namespace uirenderer
51}; // namespace android
52
53#endif // ANDROID_HWUI_DISPLAY_LIST_LOG_BUFFER_H
54