DeviceInfo.cpp revision 52eb4e01a49fe2e94555c000de38bbcbbb13401b 
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
17#include <DeviceInfo.h>
18
19#include "Extensions.h"
20
21#include <thread>
22#include <mutex>
23
24#include <log/log.h>
25
26#include <GLES2/gl2.h>
27
28namespace android {
29namespace uirenderer {
30
31static DeviceInfo* sDeviceInfo = nullptr;
32static std::once_flag sInitializedFlag;
33
34const DeviceInfo* DeviceInfo::get() {
35    LOG_ALWAYS_FATAL_IF(!sDeviceInfo, "DeviceInfo not yet initialized.");
36    return sDeviceInfo;
37}
38
39void DeviceInfo::initialize() {
40    std::call_once(sInitializedFlag, []() {
41        sDeviceInfo = new DeviceInfo();
42        sDeviceInfo->load();
43    });
44}
45
46void DeviceInfo::load() {
47    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
48}
49
50} /* namespace uirenderer */
51} /* namespace android */
52