platform_hardware_interfaces/graphics/composer/2.2/default/service.cpp
Chia-I Wu de0bd95d57 graphics: add composer 2.2 default impl
This adds

  android.hardware.graphics.composer@2.2-hal
  android.hardware.graphics.composer@2.2-passthrough
  android.hardware.graphics.composer@2.2-service

The -hal module makes it easier to write composer 2.2 HAL and is
reusable by vendors.  The -passthrough module provides a HwcHal
class that implements ComposerHal 2.2 on top of hwcomposer2, and is
also resuable by vendors.  Finally, the -service module provides a
(stub) default implementation.

Test: boots and VTS
Change-Id: I4f940a9dea656abc7d9d485bf48d852c13d2ed56
2018-02-21 12:23:41 -08:00

55 lines
1.8 KiB
C++

/*
* Copyright 2018 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.
*/
#include <sched.h>
#include <android/hardware/graphics/composer/2.2/IComposer.h>
#include <binder/ProcessState.h>
#include <composer-passthrough/2.2/HwcLoader.h>
#include <hidl/HidlTransportSupport.h>
using android::hardware::graphics::composer::V2_2::IComposer;
using android::hardware::graphics::composer::V2_2::passthrough::HwcLoader;
int main() {
// the conventional HAL might start binder services
android::ProcessState::initWithDriver("/dev/vndbinder");
android::ProcessState::self()->setThreadPoolMaxThreadCount(4);
android::ProcessState::self()->startThreadPool();
// same as SF main thread
struct sched_param param = {0};
param.sched_priority = 2;
if (sched_setscheduler(0, SCHED_FIFO | SCHED_RESET_ON_FORK, &param) != 0) {
ALOGE("Couldn't set SCHED_FIFO: %d", errno);
}
android::hardware::configureRpcThreadpool(4, true /* will join */);
android::sp<IComposer> composer = HwcLoader::load();
if (composer == nullptr) {
return 1;
}
if (composer->registerAsService() != android::NO_ERROR) {
ALOGE("failed to register service");
return 1;
}
android::hardware::joinRpcThreadpool();
ALOGE("service is terminating");
return 1;
}