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/*
* 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.
*/
#pragma once
#define HWC2_INCLUDE_STRINGIFICATION
#define HWC2_USE_CPP11
#include <hardware/hwcomposer2.h>
#undef HWC2_INCLUDE_STRINGIFICATION
#undef HWC2_USE_CPP11
#include <unordered_set>
#include <android/hardware/power/1.3/IPower.h>
#include <utils/StrongPointer.h>
#include "DisplayIdentification.h"
namespace android {
namespace Hwc2 {
class PowerAdvisor {
public:
virtual ~PowerAdvisor();
virtual void setExpensiveRenderingExpected(DisplayId displayId, bool expected) = 0;
};
namespace impl {
namespace V1_3 = android::hardware::power::V1_3;
// PowerAdvisor is a wrapper around IPower HAL which takes into account the
// full state of the system when sending out power hints to things like the GPU.
class PowerAdvisor final : public Hwc2::PowerAdvisor {
public:
PowerAdvisor();
~PowerAdvisor() override;
void setExpensiveRenderingExpected(DisplayId displayId, bool expected) override;
private:
sp<V1_3::IPower> getPowerHal();
std::unordered_set<DisplayId> mExpensiveDisplays;
bool mNotifiedExpensiveRendering = false;
bool mReconnectPowerHal = false;
};
} // namespace impl
} // namespace Hwc2
} // namespace android
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