1/* 2 * Copyright (C) 2010 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 <sys/resource.h> 18 19#include <sched.h> 20 21#include <android/frameworks/displayservice/1.0/IDisplayService.h> 22#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h> 23#include <android/hardware/graphics/allocator/2.0/IAllocator.h> 24#include <cutils/sched_policy.h> 25#include <binder/IServiceManager.h> 26#include <binder/IPCThreadState.h> 27#include <binder/ProcessState.h> 28#include <binder/IServiceManager.h> 29#include <displayservice/DisplayService.h> 30#include <hidl/LegacySupport.h> 31#include <configstore/Utils.h> 32#include "GpuService.h" 33#include "SurfaceFlinger.h" 34 35using namespace android; 36 37static status_t startGraphicsAllocatorService() { 38 using android::hardware::configstore::getBool; 39 using android::hardware::configstore::V1_0::ISurfaceFlingerConfigs; 40 if (!getBool<ISurfaceFlingerConfigs, 41 &ISurfaceFlingerConfigs::startGraphicsAllocatorService>(false)) { 42 return OK; 43 } 44 45 using android::hardware::graphics::allocator::V2_0::IAllocator; 46 47 status_t result = 48 hardware::registerPassthroughServiceImplementation<IAllocator>(); 49 if (result != OK) { 50 ALOGE("could not start graphics allocator service"); 51 return result; 52 } 53 54 return OK; 55} 56 57static status_t startDisplayService() { 58 using android::frameworks::displayservice::V1_0::implementation::DisplayService; 59 using android::frameworks::displayservice::V1_0::IDisplayService; 60 61 sp<IDisplayService> displayservice = new DisplayService(); 62 status_t err = displayservice->registerAsService(); 63 64 if (err != OK) { 65 ALOGE("Could not register IDisplayService service."); 66 } 67 68 return err; 69} 70 71int main(int, char**) { 72 signal(SIGPIPE, SIG_IGN); 73 74 hardware::configureRpcThreadpool(1 /* maxThreads */, 75 false /* callerWillJoin */); 76 77 startGraphicsAllocatorService(); 78 79 // When SF is launched in its own process, limit the number of 80 // binder threads to 4. 81 ProcessState::self()->setThreadPoolMaxThreadCount(4); 82 83 // start the thread pool 84 sp<ProcessState> ps(ProcessState::self()); 85 ps->startThreadPool(); 86 87 // instantiate surfaceflinger 88 sp<SurfaceFlinger> flinger = new SurfaceFlinger(); 89 90 setpriority(PRIO_PROCESS, 0, PRIORITY_URGENT_DISPLAY); 91 92 set_sched_policy(0, SP_FOREGROUND); 93 94 // Put most SurfaceFlinger threads in the system-background cpuset 95 // Keeps us from unnecessarily using big cores 96 // Do this after the binder thread pool init 97 if (cpusets_enabled()) set_cpuset_policy(0, SP_SYSTEM); 98 99 // initialize before clients can connect 100 flinger->init(); 101 102 // publish surface flinger 103 sp<IServiceManager> sm(defaultServiceManager()); 104 sm->addService(String16(SurfaceFlinger::getServiceName()), flinger, false, 105 IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL); 106 107 // publish GpuService 108 sp<GpuService> gpuservice = new GpuService(); 109 sm->addService(String16(GpuService::SERVICE_NAME), gpuservice, false); 110 111 startDisplayService(); // dependency on SF getting registered above 112 113 struct sched_param param = {0}; 114 param.sched_priority = 2; 115 if (sched_setscheduler(0, SCHED_FIFO, ¶m) != 0) { 116 ALOGE("Couldn't set SCHED_FIFO"); 117 } 118 119 // run surface flinger in this thread 120 flinger->run(); 121 122 return 0; 123} 124