ef472ec40a
VSYNC power hints are now sent via binder to IPowerManager. SurfaceFlinger no longer loads a second copy of the PowerHAL. VSYNC power hints are sent in batches and not on per frame basis. Change-Id: Ia5a839ab3c857cffae7089f810b4315d4ed23fcf
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdint.h>
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#include <sys/types.h>
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#include <cutils/log.h>
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#include <utils/Errors.h>
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#include <binder/IServiceManager.h>
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#include <powermanager/IPowerManager.h>
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#include <powermanager/PowerManager.h>
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#include "PowerHAL.h"
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namespace android {
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// ---------------------------------------------------------------------------
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status_t PowerHAL::vsyncHint(bool enabled) {
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Mutex::Autolock _l(mlock);
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if (mPowerManager == NULL) {
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const String16 serviceName("power");
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sp<IBinder> bs = defaultServiceManager()->checkService(serviceName);
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if (bs == NULL) {
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return NAME_NOT_FOUND;
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}
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mPowerManager = interface_cast<IPowerManager>(bs);
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}
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status_t status = mPowerManager->powerHint(POWER_HINT_VSYNC, enabled ? 1 : 0);
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if(status == DEAD_OBJECT) {
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mPowerManager = NULL;
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}
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return status;
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}
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// ---------------------------------------------------------------------------
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}; // namespace android
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