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/*
* Copyright (C) 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.
*/
#ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSDISPLAY_H
#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSDISPLAY_H
#include "GlWrapper.h"
#include <android/frameworks/automotive/display/1.0/IAutomotiveDisplayProxyService.h>
#include <android/hardware/automotive/evs/1.1/IEvsDisplay.h>
#include <ui/GraphicBuffer.h>
namespace android::hardware::automotive::evs::V1_1::implementation {
class EvsDisplay : public IEvsDisplay {
public:
// Methods from ::android::hardware::automotive::evs::V1_0::IEvsDisplay follow.
Return<void> getDisplayInfo(getDisplayInfo_cb _hidl_cb) override;
Return<V1_0::EvsResult> setDisplayState(V1_0::DisplayState state) override;
Return<V1_0::DisplayState> getDisplayState() override;
Return<void> getTargetBuffer(getTargetBuffer_cb _hidl_cb) override;
Return<V1_0::EvsResult> returnTargetBufferForDisplay(const V1_0::BufferDesc& buffer) override;
// Methods from ::android::hardware::automotive::evs::V1_1::IEvsDisplay follow.
Return<void> getDisplayInfo_1_1(getDisplayInfo_1_1_cb _info_cb) override;
// Implementation details
EvsDisplay();
EvsDisplay(
sp<frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService> pDisplayProxy,
uint64_t displayId);
virtual ~EvsDisplay() override;
void forceShutdown(); // This gets called if another caller "steals" ownership of the display
Return<V1_0::EvsResult> returnTargetBufferForDisplayImpl(const uint32_t bufferId,
const buffer_handle_t memHandle);
private:
V1_0::DisplayDesc mInfo = {};
V1_0::BufferDesc mBuffer = {}; // A graphics buffer into which we'll store images
V1_0::DisplayState mRequestedState = V1_0::DisplayState::NOT_VISIBLE;
bool mFrameBusy = false; // A flag telling us our buffer is in use
std::mutex mAccessLock;
sp<frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService> mDisplayProxy;
uint64_t mDisplayId;
std::unique_ptr<GlWrapper> mGlWrapper;
};
} // namespace android::hardware::automotive::evs::V1_1::implementation
#endif // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSDISPLAY_H
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