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/*
* Copyright (c) 2011-2012, 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.
*/
#include "overlay.h"
#include "pipes/overlayGenPipe.h"
#include "mdp_version.h"
#define PIPE_DEBUG 0
namespace overlay {
using namespace utils;
Overlay::Overlay() {
int numPipes = 0;
int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
if (mdpVersion > qdutils::MDP_V3_1) numPipes = 4;
if (mdpVersion >= qdutils::MDSS_V5) numPipes = 6;
PipeBook::NUM_PIPES = numPipes;
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
mPipeBook[i].init();
}
mDumpStr[0] = '\0';
}
Overlay::~Overlay() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
mPipeBook[i].destroy();
}
}
void Overlay::configBegin() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
//Mark as available for this round.
PipeBook::resetUse(i);
PipeBook::resetAllocation(i);
}
mDumpStr[0] = '\0';
}
void Overlay::configDone() {
if(PipeBook::pipeUsageUnchanged()) return;
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
if(PipeBook::isNotUsed(i)) {
//Forces UNSET on pipes, flushes rotator memory and session, closes
//fds
if(mPipeBook[i].valid()) {
char str[32];
sprintf(str, "Unset pipe=%s dpy=%d; ", getDestStr((eDest)i),
mPipeBook[i].mDisplay);
strncat(mDumpStr, str, strlen(str));
}
mPipeBook[i].destroy();
}
}
dump();
PipeBook::save();
}
eDest Overlay::nextPipe(eMdpPipeType type, int dpy) {
eDest dest = OV_INVALID;
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
//Match requested pipe type
if(type == OV_MDP_PIPE_ANY || type == getPipeType((eDest)i)) {
//If the pipe is not allocated to any display or used by the
//requesting display already in previous round.
if((mPipeBook[i].mDisplay == PipeBook::DPY_UNUSED ||
mPipeBook[i].mDisplay == dpy) &&
PipeBook::isNotAllocated(i)) {
dest = (eDest)i;
PipeBook::setAllocation(i);
break;
}
}
}
if(dest != OV_INVALID) {
int index = (int)dest;
//If the pipe is not registered with any display OR if the pipe is
//requested again by the same display using it, then go ahead.
mPipeBook[index].mDisplay = dpy;
if(not mPipeBook[index].valid()) {
mPipeBook[index].mPipe = new GenericPipe(dpy);
char str[32];
snprintf(str, 32, "Set pipe=%s dpy=%d; ", getDestStr(dest), dpy);
strncat(mDumpStr, str, strlen(str));
}
} else {
ALOGD_IF(PIPE_DEBUG, "Pipe unavailable type=%d display=%d",
(int)type, dpy);
}
return dest;
}
bool Overlay::commit(utils::eDest dest) {
bool ret = false;
int index = (int)dest;
validate(index);
if(mPipeBook[index].mPipe->commit()) {
ret = true;
PipeBook::setUse((int)dest);
} else {
PipeBook::resetUse((int)dest);
}
return ret;
}
bool Overlay::queueBuffer(int fd, uint32_t offset,
utils::eDest dest) {
int index = (int)dest;
bool ret = false;
validate(index);
//Queue only if commit() has succeeded (and the bit set)
if(PipeBook::isUsed((int)dest)) {
ret = mPipeBook[index].mPipe->queueBuffer(fd, offset);
}
return ret;
}
void Overlay::setCrop(const utils::Dim& d,
utils::eDest dest) {
int index = (int)dest;
validate(index);
mPipeBook[index].mPipe->setCrop(d);
}
void Overlay::setPosition(const utils::Dim& d,
utils::eDest dest) {
int index = (int)dest;
validate(index);
mPipeBook[index].mPipe->setPosition(d);
}
void Overlay::setTransform(const int orient,
utils::eDest dest) {
int index = (int)dest;
validate(index);
utils::eTransform transform =
static_cast<utils::eTransform>(orient);
mPipeBook[index].mPipe->setTransform(transform);
}
void Overlay::setSource(const utils::PipeArgs args,
utils::eDest dest) {
int index = (int)dest;
validate(index);
PipeArgs newArgs(args);
if(dest == OV_VG0 || dest == OV_VG1) {
setMdpFlags(newArgs.mdpFlags, OV_MDP_PIPE_SHARE);
} else {
clearMdpFlags(newArgs.mdpFlags, OV_MDP_PIPE_SHARE);
}
mPipeBook[index].mPipe->setSource(newArgs);
}
Overlay* Overlay::getInstance() {
if(sInstance == NULL) {
sInstance = new Overlay();
}
return sInstance;
}
void Overlay::initOverlay() {
if(utils::initOverlay() == -1) {
ALOGE("%s failed", __FUNCTION__);
}
}
void Overlay::dump() const {
if(strlen(mDumpStr)) { //dump only on state change
ALOGD("%s\n", mDumpStr);
}
}
void Overlay::PipeBook::init() {
mPipe = NULL;
mDisplay = DPY_UNUSED;
}
void Overlay::PipeBook::destroy() {
if(mPipe) {
delete mPipe;
mPipe = NULL;
}
mDisplay = DPY_UNUSED;
}
Overlay* Overlay::sInstance = 0;
int Overlay::PipeBook::NUM_PIPES = 0;
int Overlay::PipeBook::sPipeUsageBitmap = 0;
int Overlay::PipeBook::sLastUsageBitmap = 0;
int Overlay::PipeBook::sAllocatedBitmap = 0;
}; // namespace overlay
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