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/*
* Copyright (C) 2014 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_UI_FRAME_STATS_H
#define ANDROID_UI_FRAME_STATS_H
#include <utils/Flattenable.h>
#include <utils/Timers.h>
#include <utils/Vector.h>
namespace android {
class FrameStats : public LightFlattenable<FrameStats> {
public:
FrameStats() : refreshPeriodNano(0) {};
/*
* Approximate refresh time, in nanoseconds.
*/
nsecs_t refreshPeriodNano;
/*
* The times in nanoseconds for when the frame contents were posted by the producer (e.g.
* the application). They are either explicitly set or defaulted to the time when
* Surface::queueBuffer() was called.
*/
Vector<nsecs_t> desiredPresentTimesNano;
/*
* The times in milliseconds for when the frame contents were presented on the screen.
*/
Vector<nsecs_t> actualPresentTimesNano;
/*
* The times in nanoseconds for when the frame contents were ready to be presented. Note that
* a frame can be posted and still it contents being rendered asynchronously in GL. In such a
* case these are the times when the frame contents were completely rendered (i.e. their fences
* signaled).
*/
Vector<nsecs_t> frameReadyTimesNano;
// LightFlattenable
bool isFixedSize() const;
size_t getFlattenedSize() const;
status_t flatten(void* buffer, size_t size) const;
status_t unflatten(void const* buffer, size_t size);
};
}; // namespace android
#endif // ANDROID_UI_FRAME_STATS_H
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