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 "Properties.h" 20 21 #include <gui/ISurfaceComposer.h> 22 #include <gui/SurfaceComposerClient.h> 23 24 #include <mutex> 25 #include <thread> 26 27 #include <log/log.h> 28 29 #include <GLES2/gl2.h> 30 31 namespace android { 32 namespace uirenderer { 33 34 static constexpr android::DisplayInfo sDummyDisplay { 35 1080, // w 36 1920, // h 37 320.0, // xdpi 38 320.0, // ydpi 39 60.0, // fps 40 2.0, // density 41 0, // orientation 42 false, // secure? 43 0, // appVsyncOffset 44 0, // presentationDeadline 45 }; 46 47 static DeviceInfo* sDeviceInfo = nullptr; 48 static std::once_flag sInitializedFlag; 49 50 const DeviceInfo* DeviceInfo::get() { 51 LOG_ALWAYS_FATAL_IF(!sDeviceInfo, "DeviceInfo not yet initialized."); 52 return sDeviceInfo; 53 } 54 55 void DeviceInfo::initialize() { 56 std::call_once(sInitializedFlag, []() { 57 sDeviceInfo = new DeviceInfo(); 58 sDeviceInfo->load(); 59 }); 60 } 61 62 void DeviceInfo::initialize(int maxTextureSize) { 63 std::call_once(sInitializedFlag, [maxTextureSize]() { 64 sDeviceInfo = new DeviceInfo(); 65 sDeviceInfo->mDisplayInfo = DeviceInfo::queryDisplayInfo(); 66 sDeviceInfo->mMaxTextureSize = maxTextureSize; 67 }); 68 } 69 70 void DeviceInfo::load() { 71 mDisplayInfo = queryDisplayInfo(); 72 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize); 73 } 74 75 DisplayInfo DeviceInfo::queryDisplayInfo() { 76 if (Properties::isolatedProcess) { 77 return sDummyDisplay; 78 } 79 80 DisplayInfo displayInfo; 81 sp<IBinder> dtoken(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain)); 82 status_t status = SurfaceComposerClient::getDisplayInfo(dtoken, &displayInfo); 83 LOG_ALWAYS_FATAL_IF(status, "Failed to get display info, error %d", status); 84 return displayInfo; 85 } 86 87 } /* namespace uirenderer */ 88 } /* namespace android */ 89
