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/*
* Copyright (C) 2021 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_PRIVATE_NATIVE_SURFACE_CONTROL_H
#define ANDROID_PRIVATE_NATIVE_SURFACE_CONTROL_H
#include <stdint.h>
__BEGIN_DECLS
struct ASurfaceControl;
struct ASurfaceControlStats;
typedef struct ASurfaceControlStats ASurfaceControlStats;
/**
* Callback to be notified when surface stats for a specific surface control are available.
*/
typedef void (*ASurfaceControl_SurfaceStatsListener)(void* context, int32_t id,
ASurfaceControlStats* stats);
/**
* Registers a callback to be invoked when surface stats from a specific surface are available.
*
* \param context Optional context provided by the client that is passed into
* the callback.
*
* \param control The surface to retrieve callbacks for.
*
* \param func The callback to be invoked when surface stats are available.
*/
void ASurfaceControl_registerSurfaceStatsListener(ASurfaceControl* control, int32_t id, void* context,
ASurfaceControl_SurfaceStatsListener func);
/**
* Unregisters a callback to be invoked when surface stats from a specific surface are available.
*
* \param context The context passed into ASurfaceControl_registerSurfaceStatsListener
*
* \param func The callback passed into ASurfaceControl_registerSurfaceStatsListener
*/
void ASurfaceControl_unregisterSurfaceStatsListener(void* context,
ASurfaceControl_SurfaceStatsListener func);
/**
* Returns the timestamp of when the buffer was acquired for a specific frame with frame number
* obtained from ASurfaceControlStats_getFrameNumber.
*/
int64_t ASurfaceControlStats_getAcquireTime(ASurfaceControlStats* stats);
/**
* Returns the frame number of the surface stats object passed into the callback.
*/
uint64_t ASurfaceControlStats_getFrameNumber(ASurfaceControlStats* stats);
__END_DECLS
#endif //ANDROID_PRIVATE_NATIVE_SURFACE_CONTROL_H
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