DeviceInfo.h revision b2442896e3a226c7ebe9d47fa80b257e98a6a34d 
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 "Extensions.h"
20#include "utils/Macros.h"
21
22namespace android {
23namespace uirenderer {
24
25class DeviceInfo {
26    PREVENT_COPY_AND_ASSIGN(DeviceInfo);
27public:
28    // returns nullptr if DeviceInfo is not initialized yet
29    // Note this does not have a memory fence so it's up to the caller
30    // to use one if required. Normally this should not be necessary
31    static const DeviceInfo* get();
32
33    // only call this after GL has been initialized, or at any point if compiled
34    // with HWUI_NULL_GPU
35    static void initialize();
36
37    const Extensions& extensions() const { return mExtensions; }
38
39    int maxTextureSize() const { return mMaxTextureSize; }
40
41private:
42    DeviceInfo() {}
43    ~DeviceInfo() {}
44
45    void load();
46
47    Extensions mExtensions;
48    int mMaxTextureSize;
49};
50
51} /* namespace uirenderer */
52} /* namespace android */
53
54#endif /* DEVICEINFO_H */
55