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72 lines
2.4 KiB
72 lines
2.4 KiB
/*
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* Copyright (C) 2021 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_PRIVATE_NATIVE_SURFACE_CONTROL_H
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#define ANDROID_PRIVATE_NATIVE_SURFACE_CONTROL_H
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#include <stdint.h>
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__BEGIN_DECLS
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struct ASurfaceControl;
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struct ASurfaceControlStats;
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typedef struct ASurfaceControlStats ASurfaceControlStats;
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/**
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* Callback to be notified when surface stats for a specific surface control are available.
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*/
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typedef void (*ASurfaceControl_SurfaceStatsListener)(void* context,
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ASurfaceControl* control, ASurfaceControlStats* stats);
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/**
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* Registers a callback to be invoked when surface stats from a specific surface are available.
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*
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* \param context Optional context provided by the client that is passed into
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* the callback.
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*
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* \param control The surface to retrieve callbacks for.
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*
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* \param func The callback to be invoked when surface stats are available.
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*/
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void ASurfaceControl_registerSurfaceStatsListener(ASurfaceControl* control, void* context,
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ASurfaceControl_SurfaceStatsListener func);
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/**
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* Unregisters a callback to be invoked when surface stats from a specific surface are available.
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*
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* \param context The context passed into ASurfaceControl_registerSurfaceStatsListener
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*
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* \param func The callback passed into ASurfaceControl_registerSurfaceStatsListener
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*/
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void ASurfaceControl_unregisterSurfaceStatsListener(void* context,
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ASurfaceControl_SurfaceStatsListener func);
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/**
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* Returns the timestamp of when the buffer was acquired for a specific frame with frame number
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* obtained from ASurfaceControlStats_getFrameNumber.
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*/
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int64_t ASurfaceControlStats_getAcquireTime(ASurfaceControlStats* stats);
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/**
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* Returns the frame number of the surface stats object passed into the callback.
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*/
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uint64_t ASurfaceControlStats_getFrameNumber(ASurfaceControlStats* stats);
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__END_DECLS
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#endif //ANDROID_PRIVATE_NATIVE_SURFACE_CONTROL_H
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