android_hardware_qcom_display/liboverlay/overlayCtrlData.h
Naseer Ahmed 7341799797 qcom/display: Update HALs
- Update the display HAL from Code Aurora Forum
- Add updated overlay library
- Enable HWC with basic video going through overlay
- Cleanup some files

Change-Id: Ia53650759d4fe99bde395b7b4e8e02e6e65845e0
2012-07-10 02:03:45 -06:00

366 lines
8.5 KiB
C++

/*
* Copyright (c) 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_CTRLDATA_H
#define OVERLAY_CTRLDATA_H
#include "overlayUtils.h"
#include "overlayMdp.h"
#include "gralloc_priv.h" // INTERLACE_MASK
namespace ovutils = overlay::utils;
namespace overlay {
// FIXME make int to be uint32 whenever possible
class RotatorBase;
/*
* FIXME do we want rot to be template parameter?
* It's already using inheritance...
*
* Sequence to use:
* open
* start
* setXXX
* close
*
* Can call setRot anytime to replace rotator on-the-fly
* */
class Ctrl : utils::NoCopy {
public:
/* ctor */
explicit Ctrl();
/* dtor close */
~Ctrl();
/* should open devices? or start()? */
bool open(uint32_t fbnum, RotatorBase* rot);
/* close underlying mdp */
bool close();
/* Invoke methods for opening underlying devices
* flags - PIPE SHARED
* wait - WAIT, NO_WAIT */
bool start(const utils::PipeArgs& args);
/* Dynamically set rotator*/
void setRot(RotatorBase* rot);
/* set mdp posision using dim */
bool setPosition(const utils::Dim& dim);
/* set param using Params (param,value pair) */
bool setParameter(const utils::Params& p);
/* set source using whf, orient and wait flag */
bool setSource(const utils::PipeArgs& args);
/* set crop info and pass it down to mdp */
bool setCrop(const utils::Dim& d);
/* mdp set overlay/commit changes */
bool commit();
/* ctrl id */
int getId() const;
/* ctrl fd */
int getFd() const;
bool getRotSessId(int& id) const;
utils::Dim getAspectRatio(const utils::Whf& whf) const;
utils::Dim getAspectRatio(const utils::Dim& dim) const;
/* access for screen info */
utils::ScreenInfo getScreenInfo() const;
/* retrieve cached crop data */
utils::Dim getCrop() const;
/* dump the state of the object */
void dump() const;
private:
/* Retrieve screen info from underlying mdp */
bool getScreenInfo(utils::ScreenInfo& info);
/* calls underlying mdp set info */
bool setInfo(const utils::PipeArgs& args);
/* given whf, update src */
void updateSource(RotatorBase* r,
const utils::PipeArgs& args,
utils::ScreenInfo& info);
// mdp ctrl struct(info e.g.)
MdpCtrl mMdp;
// Rotator
RotatorBase* mRot;
/* Cache cropped value */
utils::Dim mCrop;
/* Screen info */
utils::ScreenInfo mInfo;
/* orientation cache FIXME */
utils::eTransform mOrient;
/* Cache last known whfz.
* That would help us compare to a previous
* source that was submitted */
utils::Whf mOvBufInfo;
};
/*
* MDP = DataMdp, ROT = CtrlMdp usually since Rotator<>
* is instansiated with Ctrl data structure.
* */
class Data : utils::NoCopy {
public:
/* init, reset */
explicit Data();
/* calls close */
~Data();
/* should open devices? or start()? */
bool open(uint32_t fbnum, RotatorBase* rot);
/* calls underlying mdp close */
bool close();
/* set the rotator */
void setRot(RotatorBase* rot);
/* set memory id in the mdp struct */
void setMemoryId(int id);
/* set overlay id in the mdp struct */
void setId(int id);
/* get overlay id in the mdp struct */
int getId() const;
/* queue buffer to the overlay */
bool queueBuffer(uint32_t offset);
/* wait for vsync to be done */
bool waitForVsync();
/* sump the state of the obj */
void dump() const;
private:
/* play wrapper */
bool play();
/* playWait wrapper */
bool playWait();
// mdp data struct
MdpData mMdp;
// Rotator
RotatorBase* mRot;
};
/* 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() : mRot(0), mOrient(utils::OVERLAY_TRANSFORM_0) {
mMdp.reset();
}
inline Ctrl::~Ctrl() {
close();
}
inline bool Ctrl::close() {
// do not close the rotator
if(!mMdp.close())
return false;
return true;
}
inline bool Ctrl::commit() {
if(!mMdp.set()) {
ALOGE("Ctrl commit failed set overlay");
return false;
}
return true;
}
inline bool Ctrl::getScreenInfo(utils::ScreenInfo& info) {
if(!mMdp.getScreenInfo(info)){
ALOGE("Ctrl failed to get screen info");
return false;
}
return true;
}
inline bool Ctrl::setInfo(const utils::PipeArgs& args)
{
// FIXME set flags, zorder and wait separtly
if(!mMdp.setInfo(mRot, args, mInfo)){
ALOGE("Ctrl failed to setInfo wait=%d mdpflags=%d "
"zorder=%d", args.wait, args.mdpFlags, args.zorder);
return false;
}
return true;
}
inline int Ctrl::getId() const {
// FIXME check channel up?
return mMdp.getId();
}
inline int Ctrl::getFd() const {
// FIXME check channel up?
return mMdp.getFd();
}
inline bool Ctrl::getRotSessId(int& id) const {
// FIXME check channel up?
// should be -1 in case of no rot session active
id = mRot->getSessId();
return true;
}
inline utils::ScreenInfo Ctrl::getScreenInfo() const {
return mInfo;
}
inline utils::Dim Ctrl::getCrop() const {
return mCrop;
}
inline Data::Data() : mRot(0) {
mMdp.reset();
}
inline Data::~Data() { close(); }
inline void Data::setRot(RotatorBase* rot) { mRot = rot; }
inline void Data::setMemoryId(int id) { mMdp.setMemoryId(id); }
// really a reqid
inline void Data::setId(int id) { mMdp.setId(id); }
inline int Data::getId() const { return mMdp.getId(); }
inline bool Data::open(uint32_t fbnum,
RotatorBase* rot) {
if(!mMdp.open(fbnum)) {
ALOGE("Data cannot open mdp");
return false;
}
OVASSERT(rot, "rot is null");
mRot = rot;
// rotator should be already opened here
return true;
}
inline bool Data::close() {
if(!mMdp.close()) {
ALOGE("Data close failed");
return false;
}
return true;
}
inline bool Data::queueBuffer(uint32_t offset) {
// FIXME asserts on state validity
mMdp.setOffset(offset);
mRot->setRotDataSrcMemId(mMdp.getMemoryId());
// will play if succeeded
if(!mRot->prepareQueueBuf(offset)) {
ALOGE("Data failed to prepareQueueBuf");
return false;
}
// Play can go either from mdp or rot
if(!this->play()){
ALOGE("Data error in MDP/ROT play");
return false;
}
return true;
}
inline bool Data::waitForVsync() {
// Call mdp playWait
if(!this->playWait()){
ALOGE("Error in MDP playWait");
return false;
}
return true;
}
inline bool Data::play() {
int fd = mMdp.getFd();
return mRot->enabled() ? mRot->play(fd) : mMdp.play();
}
inline bool Data::playWait() {
return mMdp.playWait();
}
inline void Data::dump() const {
ALOGE("== Dump Data MDP start ==");
mMdp.dump();
mRot->dump();
ALOGE("== Dump Data MDP end ==");
}
} // overlay
#endif