You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.2 KiB
73 lines
2.2 KiB
/*
|
|
* Copyright (C) 2011 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_GUI_IDISPLAY_EVENT_CONNECTION_H
|
|
#define ANDROID_GUI_IDISPLAY_EVENT_CONNECTION_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <utils/Errors.h>
|
|
#include <utils/RefBase.h>
|
|
|
|
#include <binder/IInterface.h>
|
|
|
|
namespace android {
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class BitTube;
|
|
|
|
class IDisplayEventConnection : public IInterface
|
|
{
|
|
public:
|
|
|
|
DECLARE_META_INTERFACE(DisplayEventConnection);
|
|
|
|
/*
|
|
* getDataChannel() returns a BitTube where to receive the events from
|
|
*/
|
|
virtual sp<BitTube> getDataChannel() const = 0;
|
|
|
|
/*
|
|
* setVsyncRate() sets the vsync event delivery rate. A value of
|
|
* 1 returns every vsync events. A value of 2 returns every other events,
|
|
* etc... a value of 0 returns no event unless requestNextVsync() has
|
|
* been called.
|
|
*/
|
|
virtual void setVsyncRate(uint32_t count) = 0;
|
|
|
|
/*
|
|
* requestNextVsync() schedules the next vsync event. It has no effect
|
|
* if the vsync rate is > 0.
|
|
*/
|
|
virtual void requestNextVsync() = 0; // asynchronous
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class BnDisplayEventConnection : public BnInterface<IDisplayEventConnection>
|
|
{
|
|
public:
|
|
virtual status_t onTransact( uint32_t code,
|
|
const Parcel& data,
|
|
Parcel* reply,
|
|
uint32_t flags = 0);
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_GUI_IDISPLAY_EVENT_CONNECTION_H
|
|
|