android_hardware_qcom_display/liboverlay/overlay.h
Saurabh Shah a710720dbd liboverlay: Remove waitForVsync, getOvPipeType APIs
Remove waitForVsync support.
Vsync will be done explicitly by clients outside of overlay.

Remove support for the unused getOvPipeType API.
Remove redundant state checks in class Overlay

Change-Id: I34f00e1334bbd9fad130bdefeaf0426ebbd638a1
2012-07-31 14:09:33 -07:00

94 lines
3.1 KiB
C++

/*
* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Code Aurora Forum, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef OVERLAY_H
#define OVERLAY_H
#include "overlayUtils.h"
#include "overlayState.h"
#include "overlayImpl.h"
namespace overlay {
/**/
class Overlay : utils::NoCopy {
public:
/* dtor close */
~Overlay();
/* Overlay related func */
/* Following is the same as the pure virt interface in ov impl */
bool setSource(const utils::PipeArgs args[utils::MAX_PIPES],
utils::eDest dest = utils::OV_PIPE_ALL);
bool setCrop(const utils::Dim& d,
utils::eDest dest = utils::OV_PIPE_ALL);
bool setTransform(const int orientation,
utils::eDest dest = utils::OV_PIPE_ALL);
bool setPosition(const utils::Dim& dim,
utils::eDest dest = utils::OV_PIPE_ALL);
bool commit(utils::eDest dest = utils::OV_PIPE_ALL);
bool queueBuffer(int fd, uint32_t offset,
utils::eDest dest = utils::OV_PIPE_ALL);
void dump() const;
/* state related functions */
void setState(utils::eOverlayState s);
/* expose state */
utils::eOverlayState getState() const;
/* Returns the singleton instance of overlay */
static Overlay* getInstance();
private:
/* Ctor setup */
Overlay();
/* reset all pointers */
void reset();
/* Holds the state, state transition logic
* In the meantime, using simple enum rather than
* a class */
OverlayState mState;
/* Holds the actual overlay impl, set when changing state*/
OverlayImplBase *mOv;
/* Singleton Instance*/
static Overlay *sInstance;
};
} // overlay
#endif // OVERLAY_H