30d818e8b3
Add a callback to notify the client it should retry a setActiveConfigWithConstraints call in case of SEAMLESS_NOT_POSSIBLE error. Test: rev up composer to 2.4 Bug: 141329414 Change-Id: I6176638fde937e3916f58cc577d50cb755997c61
55 lines
2.4 KiB
Text
55 lines
2.4 KiB
Text
/*
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* Copyright 2019 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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package android.hardware.graphics.composer@2.4;
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import @2.1::Display;
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import @2.1::IComposerCallback;
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interface IComposerCallback extends @2.1::IComposerCallback {
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/**
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* Notifies the client that a vsync event has occurred. This callback must
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* only be triggered when vsync is enabled for this display (through
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* setVsyncEnabled).
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*
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* @param display is the display which has received a vsync event
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* @param timestamp is the CLOCK_MONOTONIC time at which the vsync event
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* occurred, in nanoseconds.
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* @param vsyncPeriodNanos is the display vsync period in nanoseconds i.e. the next onVsync_2_4
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* is expected to be called vsyncPeriodNanos nanoseconds after this call.
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*/
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oneway onVsync_2_4(Display display, int64_t timestamp, VsyncPeriodNanos vsyncPeriodNanos);
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/**
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* Notifies the client that the previously reported timing for vsync period change has been
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* updated. This may occur if the composer missed the deadline for changing the vsync period
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* or the client submitted a refresh frame too late.
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*
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* @param display is the display which vsync period change is in progress
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* @param updatedTimeline is the new timeline for the vsync period change.
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*/
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oneway onVsyncPeriodTimingChanged(Display display, VsyncPeriodChangeTimeline updatedTimeline);
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/**
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* Notifies the client that the conditions which previously led to returning
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* SEAMLESS_NOT_POSSIBLE from setActiveConfigWithConstraints have changed and now seamless may
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* be possible. Client should retry calling setActiveConfigWithConstraints.
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*
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* @param display is a display setActiveConfigWithConstraints previously failed with
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* SEAMLESS_NOT_POSSIBLE.
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*/
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oneway onSeamlessPossible(Display display);
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};
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