/*
* Copyright (c) 2012-2013, The Linux Foundation. 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 The Linux Foundation 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_CTRLDATA_H
#define OVERLAY_CTRLDATA_H
#include "overlayUtils.h"
#include "overlayMdp.h"
#include "gralloc_priv.h" // INTERLACE_MASK
namespace ovutils = overlay::utils;
namespace overlay {
/*
* Sequence to use:
* init
* start
* setXXX
* close
* */
class Ctrl : utils::NoCopy {
public:
/* ctor */
explicit Ctrl();
/* dtor close */
~Ctrl();
/* init fd etc*/
bool init(uint32_t fbnum);
/* close underlying mdp */
bool close();
/* set source using whf, orient and wait flag */
void setSource(const utils::PipeArgs& args);
/* set crop info and pass it down to mdp */
void setCrop(const utils::Dim& d);
/* set orientation */
void setTransform(const utils::eTransform& p);
/* set mdp position using dim */
void setPosition(const utils::Dim& dim);
/* set mdp visual params using metadata */
bool setVisualParams(const MetaData_t &metadata);
/* mdp set overlay/commit changes */
bool commit();
/* ctrl id */
int getPipeId() const;
/* ctrl fd */
int getFd() const;
/* retrieve crop data */
utils::Dim getCrop() const;
utils::Dim getPosition() const;
/* Set downscale */
void setDownscale(int dscale_factor);
/* Update the src format based on rotator's dest */
void updateSrcFormat(const uint32_t& rotDstFormat);
/* dump the state of the object */
void dump() const;
/* Return the dump in the specified buffer */
void getDump(char *buf, size_t len);
private:
// mdp ctrl struct(info e.g.)
MdpCtrl mMdp;
};
class Data : utils::NoCopy {
public:
/* init, reset */
explicit Data();
/* calls close */
~Data();
/* init fd etc */
bool init(uint32_t fbnum);
/* calls underlying mdp close */
bool close();
/* set overlay pipe id in the mdp struct */
void setPipeId(int id);
/* get overlay id in the mdp struct */
int getPipeId() const;
/* queue buffer to the overlay */
bool queueBuffer(int fd, uint32_t offset);
/* sump the state of the obj */
void dump() const;
/* Return the dump in the specified buffer */
void getDump(char *buf, size_t len);
private:
// mdp data struct
MdpData mMdp;
};
/* This class just creates a Ctrl Data pair to be used by a pipe.
* Although this was legacy design, this separation still makes sense, since we
* need to use the Ctrl channel in hwc_prepare (i.e config stage) and Data
* channel in hwc_set (i.e draw stage)
*/
struct CtrlData {
Ctrl ctrl;
Data data;
};
//-------------Inlines-------------------------------
inline Ctrl::Ctrl() {
mMdp.reset();
}
inline Ctrl::~Ctrl() {
close();
}
inline bool Ctrl::close() {
if(!mMdp.close())
return false;
return true;
}
inline bool Ctrl::init(uint32_t fbnum) {
// MDP/FD init
if(!mMdp.init(fbnum)) {
ALOGE("Ctrl failed to init fbnum=%d", fbnum);
return false;
}
return true;
}
inline void Ctrl::setSource(const utils::PipeArgs& args)
{
mMdp.setSource(args);
}
inline void Ctrl::setPosition(const utils::Dim& dim)
{
mMdp.setPosition(dim);
}
inline void Ctrl::setTransform(const utils::eTransform& orient)
{
mMdp.setTransform(orient);
}
inline void Ctrl::setCrop(const utils::Dim& d)
{
mMdp.setCrop(d);
}
inline bool Ctrl::setVisualParams(const MetaData_t &metadata)
{
if (!mMdp.setVisualParams(metadata)) {
ALOGE("Ctrl setVisualParams failed in MDP setVisualParams");
return false;
}
return true;
}
inline void Ctrl::dump() const {
ALOGE("== Dump Ctrl start ==");
mMdp.dump();
ALOGE("== Dump Ctrl end ==");
}
inline bool Ctrl::commit() {
if(!mMdp.set()) {
ALOGE("Ctrl commit failed set overlay");
return false;
}
return true;
}
inline int Ctrl::getPipeId() const {
return mMdp.getPipeId();
}
inline int Ctrl::getFd() const {
return mMdp.getFd();
}
inline void Ctrl::updateSrcFormat(const uint32_t& rotDstFmt) {
mMdp.updateSrcFormat(rotDstFmt);
}
inline utils::Dim Ctrl::getCrop() const {
return mMdp.getSrcRectDim();
}
inline utils::Dim Ctrl::getPosition() const {
return mMdp.getDstRectDim();
}
inline void Ctrl::setDownscale(int dscale_factor) {
mMdp.setDownscale(dscale_factor);
}
inline void Ctrl::getDump(char *buf, size_t len) {
mMdp.getDump(buf, len);
}
inline Data::Data() {
mMdp.reset();
}
inline Data::~Data() { close(); }
inline void Data::setPipeId(int id) { mMdp.setPipeId(id); }
inline int Data::getPipeId() const { return mMdp.getPipeId(); }
inline bool Data::init(uint32_t fbnum) {
if(!mMdp.init(fbnum)) {
ALOGE("Data cannot init mdp");
return false;
}
return true;
}
inline bool Data::close() {
if(!mMdp.close()) {
ALOGE("Data close failed");
return false;
}
return true;
}
inline bool Data::queueBuffer(int fd, uint32_t offset) {
return mMdp.play(fd, offset);
}
inline void Data::dump() const {
ALOGE("== Dump Data MDP start ==");
mMdp.dump();
ALOGE("== Dump Data MDP end ==");
}
inline void Data::getDump(char *buf, size_t len) {
mMdp.getDump(buf, len);
}
} // overlay
#endif