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::graphics::allocator::V2_0::IAllocator; 39 40 status_t result = 41 hardware::registerPassthroughServiceImplementation<IAllocator>(); 42 if (result != OK) { 43 ALOGE("could not start graphics allocator service"); 44 return result; 45 } 46 47 return OK; 48} 49 50static status_t startHidlServices() { 51 using android::frameworks::displayservice::V1_0::implementation::DisplayService; 52 using android::frameworks::displayservice::V1_0::IDisplayService; 53 using android::hardware::configstore::getBool; 54 using android::hardware::configstore::getBool; 55 using android::hardware::configstore::V1_0::ISurfaceFlingerConfigs; 56 hardware::configureRpcThreadpool(1 /* maxThreads */, 57 false /* callerWillJoin */); 58 59 status_t err; 60 61 if (getBool<ISurfaceFlingerConfigs, 62 &ISurfaceFlingerConfigs::startGraphicsAllocatorService>(false)) { 63 err = startGraphicsAllocatorService(); 64 if (err != OK) { 65 return err; 66 } 67 } 68 69 sp<IDisplayService> displayservice = new DisplayService(); 70 err = displayservice->registerAsService(); 71 72 if (err != OK) { 73 ALOGE("Could not register IDisplayService service."); 74 } 75 76 return err; 77} 78 79int main(int, char**) { 80 startHidlServices(); 81 82 signal(SIGPIPE, SIG_IGN); 83 // When SF is launched in its own process, limit the number of 84 // binder threads to 4. 85 ProcessState::self()->setThreadPoolMaxThreadCount(4); 86 87 // start the thread pool 88 sp<ProcessState> ps(ProcessState::self()); 89 ps->startThreadPool(); 90 91 // instantiate surfaceflinger 92 sp<SurfaceFlinger> flinger = new SurfaceFlinger(); 93 94 setpriority(PRIO_PROCESS, 0, PRIORITY_URGENT_DISPLAY); 95 96 set_sched_policy(0, SP_FOREGROUND); 97 98 // Put most SurfaceFlinger threads in the system-background cpuset 99 // Keeps us from unnecessarily using big cores 100 // Do this after the binder thread pool init 101 if (cpusets_enabled()) set_cpuset_policy(0, SP_SYSTEM); 102 103 // initialize before clients can connect 104 flinger->init(); 105 106 // publish surface flinger 107 sp<IServiceManager> sm(defaultServiceManager()); 108 sm->addService(String16(SurfaceFlinger::getServiceName()), flinger, false); 109 110 // publish GpuService 111 sp<GpuService> gpuservice = new GpuService(); 112 sm->addService(String16(GpuService::SERVICE_NAME), gpuservice, false); 113 114 struct sched_param param = {0}; 115 param.sched_priority = 2; 116 if (sched_setscheduler(0, SCHED_FIFO, ¶m) != 0) { 117 ALOGE("Couldn't set SCHED_FIFO"); 118 } 119 120 // run surface flinger in this thread 121 flinger->run(); 122 123 return 0; 124} 125