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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#include <sys/resource.h>
#include <sched.h>
#include <android/frameworks/displayservice/1.0/IDisplayService.h>
#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
#include <android/hardware/graphics/allocator/2.0/IAllocator.h>
#include <android/hardware/graphics/allocator/3.0/IAllocator.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <binder/ProcessState.h>
#include <configstore/Utils.h>
#include <displayservice/DisplayService.h>
#include <errno.h>
#include <hidl/LegacySupport.h>
#include <processgroup/sched_policy.h>
#include "SurfaceFlinger.h"
#include "SurfaceFlingerFactory.h"
#include "SurfaceFlingerProperties.h"
using namespace android;
static status_t startGraphicsAllocatorService() {
using android::hardware::configstore::getBool;
using android::hardware::configstore::V1_0::ISurfaceFlingerConfigs;
if (!android::sysprop::start_graphics_allocator_service(false)) {
return OK;
}
status_t result = hardware::registerPassthroughServiceImplementation<
android::hardware::graphics::allocator::V3_0::IAllocator>();
if (result == OK) {
return OK;
}
result = hardware::registerPassthroughServiceImplementation<
android::hardware::graphics::allocator::V2_0::IAllocator>();
if (result != OK) {
ALOGE("could not start graphics allocator service");
return result;
}
return OK;
}
static status_t startDisplayService() {
using android::frameworks::displayservice::V1_0::implementation::DisplayService;
using android::frameworks::displayservice::V1_0::IDisplayService;
sp<IDisplayService> displayservice = new DisplayService();
status_t err = displayservice->registerAsService();
if (err != OK) {
ALOGE("Could not register IDisplayService service.");
}
return err;
}
int main(int, char**) {
signal(SIGPIPE, SIG_IGN);
hardware::configureRpcThreadpool(1 /* maxThreads */,
false /* callerWillJoin */);
startGraphicsAllocatorService();
// When SF is launched in its own process, limit the number of
// binder threads to 4.
ProcessState::self()->setThreadPoolMaxThreadCount(4);
// start the thread pool
sp<ProcessState> ps(ProcessState::self());
ps->startThreadPool();
// instantiate surfaceflinger
sp<SurfaceFlinger> flinger = surfaceflinger::createSurfaceFlinger();
setpriority(PRIO_PROCESS, 0, PRIORITY_URGENT_DISPLAY);
set_sched_policy(0, SP_FOREGROUND);
// Put most SurfaceFlinger threads in the system-background cpuset
// Keeps us from unnecessarily using big cores
// Do this after the binder thread pool init
if (cpusets_enabled()) set_cpuset_policy(0, SP_SYSTEM);
// initialize before clients can connect
flinger->init();
// publish surface flinger
sp<IServiceManager> sm(defaultServiceManager());
sm->addService(String16(SurfaceFlinger::getServiceName()), flinger, false,
IServiceManager::DUMP_FLAG_PRIORITY_CRITICAL | IServiceManager::DUMP_FLAG_PROTO);
startDisplayService(); // dependency on SF getting registered above
if (SurfaceFlinger::setSchedFifo(true) != NO_ERROR) {
ALOGW("Couldn't set to SCHED_FIFO: %s", strerror(errno));
}
// run surface flinger in this thread
flinger->run();
return 0;
}
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"
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