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John Reck704bed02015-11-05 09:22:17 -08001/*
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
John Reck8dc02f92017-07-17 09:55:02 -070019#include <ui/DisplayInfo.h>
20
John Reck8dc02f92017-07-17 09:55:02 -070021#include "Extensions.h"
John Reck1bcacfd2017-11-03 10:12:19 -070022#include "utils/Macros.h"
John Reck704bed02015-11-05 09:22:17 -080023
24namespace android {
25namespace uirenderer {
26
27class DeviceInfo {
28 PREVENT_COPY_AND_ASSIGN(DeviceInfo);
John Reck1bcacfd2017-11-03 10:12:19 -070029
John Reck704bed02015-11-05 09:22:17 -080030public:
31 // returns nullptr if DeviceInfo is not initialized yet
32 // Note this does not have a memory fence so it's up to the caller
33 // to use one if required. Normally this should not be necessary
34 static const DeviceInfo* get();
35
36 // only call this after GL has been initialized, or at any point if compiled
37 // with HWUI_NULL_GPU
38 static void initialize();
Stan Iliev500a0c32016-10-26 10:30:09 -040039 static void initialize(int maxTextureSize);
John Reck704bed02015-11-05 09:22:17 -080040
John Reck704bed02015-11-05 09:22:17 -080041 int maxTextureSize() const { return mMaxTextureSize; }
John Reck8dc02f92017-07-17 09:55:02 -070042 const DisplayInfo& displayInfo() const { return mDisplayInfo; }
43 const Extensions& extensions() const { return mExtensions; }
44
45 static uint32_t multiplyByResolution(uint32_t in) {
46 auto di = DeviceInfo::get()->displayInfo();
47 return di.w * di.h * in;
48 }
John Reck704bed02015-11-05 09:22:17 -080049
50private:
51 DeviceInfo() {}
52 ~DeviceInfo() {}
53
54 void load();
John Reck8dc02f92017-07-17 09:55:02 -070055 void loadDisplayInfo();
John Reck704bed02015-11-05 09:22:17 -080056
John Reck704bed02015-11-05 09:22:17 -080057 int mMaxTextureSize;
John Reck8dc02f92017-07-17 09:55:02 -070058 DisplayInfo mDisplayInfo;
59 Extensions mExtensions;
John Reck704bed02015-11-05 09:22:17 -080060};
61
62} /* namespace uirenderer */
63} /* namespace android */
64
65#endif /* DEVICEINFO_H */