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Commit b0b5a4de authored by Chia-I Wu's avatar Chia-I Wu
Browse files

graphics: add IComposer service daemon 

Since HALs might run binder services, we need to start thread pool for
both binder and hwbinder.

Bug: 32021609
Test: builds and boots
Change-Id: I9779e86b1e611a180b1984af36c417dafc3329bc
parent 0c6b7f42

graphics/composer/2.1/default/Android.bp

+21 −0
Original line number Diff line number Diff line
@@ -14,3 +14,24 @@ cc_library_shared { 
        "libutils",

    ],

}



cc_binary {

    name: "android.hardware.graphics.composer@2.1-service",

    relative_install_path: "hw",

    srcs: ["service.cpp", "Hwc.cpp"],

    cppflags: ["-DBINDERIZED"],

    init_rc: ["android.hardware.graphics.composer@2.1-service.rc"],



    shared_libs: [

        "android.hardware.graphics.allocator@2.0",

        "android.hardware.graphics.composer@2.1",

        "libbase",

        "libbinder",

        "libcutils",

        "libhardware",

        "libhidl",

        "libhwbinder",

        "liblog",

        "libutils",

    ],

}

graphics/composer/2.1/default/android.hardware.graphics.composer@2.1-service.rc

0 → 100644
+5 −0
Original line number Diff line number Diff line 
service hwcomposer-2-1 /system/bin/hw/android.hardware.graphics.composer@2.1-service

    class hal

    user system

    group graphics drmrpc readproc

    onrestart restart surfaceflinger

graphics/composer/2.1/default/service.cpp

0 → 100644
+56 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2016 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.

 */



#define LOG_TAG "HWComposerService"



#include <binder/ProcessState.h>

#include <hwbinder/IPCThreadState.h>

#include <hwbinder/ProcessState.h>

#include <utils/StrongPointer.h>

#include "Hwc.h"



using android::sp;

using android::hardware::IPCThreadState;

using android::hardware::ProcessState;

using android::hardware::graphics::composer::V2_1::IComposer;

using android::hardware::graphics::composer::V2_1::implementation::HIDL_FETCH_IComposer;



int main()

{

    const char instance[] = "hwcomposer";



    ALOGI("Service is starting.");



    sp<IComposer> service = HIDL_FETCH_IComposer(instance);

    if (service == nullptr) {

        ALOGI("getService returned NULL");

        return -1;

    }



    LOG_FATAL_IF(service->isRemote(), "Service is REMOTE!");



    service->registerAsService(instance);



    // the conventional HAL might start binder services

    android::ProcessState::self()->setThreadPoolMaxThreadCount(4);

    android::ProcessState::self()->startThreadPool();



    ProcessState::self()->setThreadPoolMaxThreadCount(0);

    ProcessState::self()->startThreadPool();

    IPCThreadState::self()->joinThreadPool();



    return 0;

}