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