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 #include <DeviceInfo.h>
17 
18 #include "Extensions.h"
19 
20 #include <GLES2/gl2.h>
21 #include <log/log.h>
22 
23 #include <thread>
24 #include <mutex>
25 
26 namespace android {
27 namespace uirenderer {
28 
29 static DeviceInfo* sDeviceInfo = nullptr;
30 static std::once_flag sInitializedFlag;
31 
get()32 const DeviceInfo* DeviceInfo::get() {
33     LOG_ALWAYS_FATAL_IF(!sDeviceInfo, "DeviceInfo not yet initialized.");
34     return sDeviceInfo;
35 }
36 
initialize()37 void DeviceInfo::initialize() {
38     std::call_once(sInitializedFlag, []() {
39         sDeviceInfo = new DeviceInfo();
40         sDeviceInfo->load();
41     });
42 }
43 
load()44 void DeviceInfo::load() {
45     glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
46 }
47 
48 } /* namespace uirenderer */
49 } /* namespace android */
50