void PipelineComposer::open()
{
setShort(true);
// create server cross connection
_clusterWindow->getNetwork()->connectAllGroupToPoint(clusterId(),
"StreamSock");
// do not buffer any data
for(UInt32 i=0 ; i <= serverCount() ; ++i)
clusterWindow()->getNetwork()->getConnection(i)->forceDirectIO();
if(!_isClient)
{
// create barrier
_lock = Lock::get("PipelineComposer");
// create barrier
_barrier = Barrier::get("PipelineComposer");
_frameEndBarrier = Barrier::get("PipelineComposerFrameEnd");
// create writer thread
_writer = BaseThread::get("PipelineComposer");
// start writer thread
_writer->runFunction( writeProc, this );
}
if(!_isClient && getPipelined())
{
_composeBarrier = Barrier::get("PipelineComposerCompose");
// _composer = BaseThread::get("PipelineComposerCompose");
_composer = dynamic_cast<Thread *>(ThreadManager::the()->getThread(NULL));
_composer->runFunction( composeProc,0, this );
}
#ifdef USE_NV_OCCLUSION
glGenOcclusionQueriesNV(1, &_occlusionQuery);
#endif
}
void PipelineComposer::startViewport(Viewport *)
{
if(getPipelined())
{
if(!isClient())
{
_composeBarrier->enter(2);
}
else
{
// transfer tile size
_composeTilesX = _readTilesX;
_composeTilesY = _readTilesY;
}
}
}
void PipelineComposer::composeViewport(Viewport *port)
{
// setup viewport
GLint
pl=port->calcPixelLeft(),
pr=port->calcPixelRight(),
pb=port->calcPixelBottom(),
pt=port->calcPixelTop();
GLint pw=pr-pl+1,ph=pt-pb+1;
bool full = port->calcIsFullWindow();
glViewport(pl, pb, pw, ph);
glScissor(pl, pb, pw, ph);
if(! full)
glEnable(GL_SCISSOR_TEST);
GLboolean depth = glIsEnabled(GL_DEPTH_TEST);
GLboolean blend = glIsEnabled(GL_BLEND);
// glDisable(GL_DEPTH_TEST);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, port->calcPixelWidth(),
0, port->calcPixelHeight(),-1,1);
if(getAlpha())
{
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
// only one buffer for the client
if(isClient())
_composeTilePtr = _readTilePtr;
_readTilesX = (port->calcPixelWidth() - 1) / getTileSize() + 1;
_readTilesY = (port->calcPixelHeight() - 1) / getTileSize() + 1;
_tileBufferSize = getTileSize()*getTileSize()*8+sizeof(TileBuffer);
_workingTile.resize(_tileBufferSize);
// resize
_readTilePtr->resize(_tileBufferSize * _readTilesX * _readTilesY);
if(isClient())
{
while(_groupInfo.size() < serverCount())
{
_groupInfoPool.push_back(GroupInfo());
_groupInfo.push_back(&(*_groupInfoPool.rbegin()));
}
_groupInfo.resize(serverCount());
}
_statistics.bytesIn = 0;
_statistics.bytesOut = 0;
_statistics.occluded = 0;
_statistics.noDepth = 0;
_statistics.noGeo = 0;
_statistics.clipped = 0;
if(!getPipelined())
{
_composeTilesX = _readTilesX;
_composeTilesY = _readTilesY;
}
if(getShort())
{
UInt16 colorDummy;
// UInt16 depthDummy;
UInt32 depthDummy;
// _depthType = GL_UNSIGNED_SHORT;
_depthType = GL_UNSIGNED_INT;
_colorFormat = GL_RGB;
_colorType = GL_UNSIGNED_SHORT_5_6_5;
readBuffer(depthDummy,colorDummy,port);
if(!getPipelined() || isClient())
composeBuffer(depthDummy,colorDummy);
}
else
{
if(getAlpha())
{
UInt32 colorDummy;
UInt32 depthDummy;
_depthType = GL_UNSIGNED_INT;
_colorFormat = GL_RGBA;
_colorType = GL_UNSIGNED_BYTE;
readBuffer(depthDummy,colorDummy,port);
if(!getPipelined() || isClient())
composeBuffer(depthDummy,colorDummy);
}
else
{
RGBValue colorDummy;
UInt32 depthDummy;
_depthType = GL_UNSIGNED_INT;
_colorFormat = GL_RGB;
_colorType = GL_UNSIGNED_BYTE;
readBuffer(depthDummy,colorDummy,port);
if(!getPipelined() || isClient())
composeBuffer(depthDummy,colorDummy);
}
}
if(getStatistics())
{
if(isClient())
{
double pixelReadTime = 0;
double sortTime = 0;
UInt32 maxIn = _statistics.bytesIn;
UInt32 maxOut = _statistics.bytesOut;
UInt32 maxIO = maxIn + maxOut;
UInt32 sumOut = _statistics.bytesOut;
UInt32 clipped = 0;
Connection::Channel channel;
GroupConnection *server;
Statistics statistics;
server = clusterWindow()->getNetwork()->getMainGroupConnection();
for(UInt32 i=0 ; i<serverCount() ;++i)
{
channel = server->selectChannel();
server->subSelection(channel);
server->get(&statistics,sizeof(Statistics));
sumOut += statistics.bytesOut;
if(statistics.pixelReadTime > pixelReadTime) {
pixelReadTime = statistics.pixelReadTime;
sortTime = statistics.sortTime;
}
if(statistics.bytesOut > maxOut)
maxOut = statistics.bytesOut;
if(statistics.bytesIn > maxIn)
maxIn = statistics.bytesIn;
if(statistics.bytesIn + statistics.bytesOut > maxIO)
maxIO = statistics.bytesIn + statistics.bytesOut;
clipped += statistics.clipped;
}
server->resetSelection();
printf("pixel read time : %1.5lf\n",pixelReadTime);
printf("sort Time : %1.5lf\n",sortTime);
printf("compose Time : %1.5lf\n",_statistics.composeTime);
printf("Transfered bytes : %10d\n",sumOut);
printf("Max out : %10d\n",maxOut);
printf("Max in : %10d\n",maxIn);
printf("Max io : %10d\n",maxIO);
printf("occluded : %10d\n",_statistics.occluded);
printf("Layerd : %10d\n",_statistics.noDepth);
printf("Empty : %10d\n",_statistics.noGeo-clipped);
printf("Clipped : %10d\n",clipped);
printf("DepthAndColor : %10d\n",serverCount()*_composeTilesX*_composeTilesY-
_statistics.occluded-
_statistics.noDepth-
_statistics.noGeo);
}
else
{
Connection *client = clusterWindow()->getNetwork()->getMainConnection();
client->put(&_statistics,sizeof(Statistics));
client->flush();
}
}
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glEnable(GL_DEPTH_TEST);
// reset state
if(depth && !glIsEnabled(GL_DEPTH_TEST))
glEnable(GL_DEPTH_TEST);
if(!blend && glIsEnabled(GL_BLEND))
glDisable(GL_BLEND);
}
