DeviceInfo.h revision 48e44acbce98d7a49dae9cfd67a51178f3e17414 
1/*
2 * Copyright (C) 2015 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#ifndef DEVICEINFO_H
17#define DEVICEINFO_H
18
19#include "utils/Macros.h"
20
21namespace android {
22namespace uirenderer {
23
24class DeviceInfo {
25    PREVENT_COPY_AND_ASSIGN(DeviceInfo);
26public:
27    // returns nullptr if DeviceInfo is not initialized yet
28    // Note this does not have a memory fence so it's up to the caller
29    // to use one if required. Normally this should not be necessary
30    static const DeviceInfo* get();
31
32    // only call this after GL has been initialized, or at any point if compiled
33    // with HWUI_NULL_GPU
34    static void initialize();
35
36    int maxTextureSize() const { return mMaxTextureSize; }
37
38private:
39    DeviceInfo() {}
40    ~DeviceInfo() {}
41
42    void load();
43
44    int mMaxTextureSize;
45};
46
47} /* namespace uirenderer */
48} /* namespace android */
49
50#endif /* DEVICEINFO_H */
51