1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* Copyright 2020 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.
*/
#pragma once
#include <apex/choreographer.h>
#include <inttypes.h>
#include <jni.h>
namespace android {
// Registers the global JVM for AChoreographer
void AChoreographer_initJVM(JNIEnv* env);
// Signals all AChoregorapher* instances that a new vsync period is available
// for consumption by callbacks.
void AChoreographer_signalRefreshRateCallbacks(int64_t vsyncPeriod);
// Returns the vsync id of the last frame callback. Client are expected to call
// this function from their frame callback function to get the vsyncId and pass
// it together with a buffer or transaction to the Surface Composer. Calling
// this function from anywhere else will return an undefined value.
int64_t AChoreographer_getVsyncId(const AChoreographer* choreographer);
// Returns the deadline timestamp (in CLOCK_MONOTONIC) of the last frame callback.
// Client are expected to call this function from their frame callback function
// to get the deadline and use it to know whether a frame is likely to miss
// presentation. Calling this function from anywhere else will return an undefined
// value.
int64_t AChoreographer_getFrameDeadline(const AChoreographer* choreographer);
// Returns the current interval in ns between frames.
// Client are expected to call this function from their frame callback function.
// Calling this function from anywhere else will return an undefined value.
int64_t AChoreographer_getFrameInterval(const AChoreographer* choreographer);
// Trampoline functions allowing libandroid.so to define the NDK symbols without including
// the entirety of libnativedisplay as a whole static lib. As libnativedisplay
// maintains global state, libnativedisplay can never be directly statically
// linked so that global state won't be duplicated. This way libandroid.so can
// reroute the NDK methods into the implementations defined by libnativedisplay
AChoreographer* AChoreographer_routeGetInstance();
void AChoreographer_routePostFrameCallback(AChoreographer* choreographer,
AChoreographer_frameCallback callback, void* data);
void AChoreographer_routePostFrameCallbackDelayed(AChoreographer* choreographer,
AChoreographer_frameCallback callback, void* data,
long delayMillis);
void AChoreographer_routePostFrameCallback64(AChoreographer* choreographer,
AChoreographer_frameCallback64 callback, void* data);
void AChoreographer_routePostFrameCallbackDelayed64(AChoreographer* choreographer,
AChoreographer_frameCallback64 callback,
void* data, uint32_t delayMillis);
void AChoreographer_routeRegisterRefreshRateCallback(AChoreographer* choreographer,
AChoreographer_refreshRateCallback callback,
void* data);
void AChoreographer_routeUnregisterRefreshRateCallback(AChoreographer* choreographer,
AChoreographer_refreshRateCallback callback,
void* data);
} // namespace android
|
