/*
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* Copyright (C) 2016 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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#ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSDISPLAY_H
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#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSDISPLAY_H
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#include <android/hardware/automotive/evs/1.0/IEvsDisplay.h>
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#include <ui/GraphicBuffer.h>
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namespace android {
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namespace hardware {
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namespace automotive {
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namespace evs {
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namespace V1_0 {
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namespace implementation {
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class EvsDisplay : public IEvsDisplay {
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public:
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// Methods from ::android::hardware::automotive::evs::V1_0::IEvsDisplay follow.
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Return<void> getDisplayInfo(getDisplayInfo_cb _hidl_cb) override;
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Return<EvsResult> setDisplayState(DisplayState state) override;
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Return<DisplayState> getDisplayState() override;
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Return<void> getTargetBuffer(getTargetBuffer_cb _hidl_cb) override;
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Return<EvsResult> returnTargetBufferForDisplay(const BufferDesc& buffer) override;
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// Implementation details
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EvsDisplay();
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virtual ~EvsDisplay() override;
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void forceShutdown(); // This gets called if another caller "steals" ownership of the display
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private:
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DisplayDesc mInfo = {};
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BufferDesc mBuffer = {}; // A graphics buffer into which we'll store images
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bool mFrameBusy = false; // A flag telling us our buffer is in use
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DisplayState mRequestedState = DisplayState::NOT_VISIBLE;
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std::mutex mAccessLock;
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};
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} // namespace implementation
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} // namespace V1_0
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} // namespace evs
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} // namespace automotive
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} // namespace hardware
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} // namespace android
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#endif // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSDISPLAY_H
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