~yade-dev/yade/0.90

#ifdef YADE_OPENGL

 

#include"SnapshotEngine.hpp"

 

YADE_PLUGIN((SnapshotEngine));

CREATE_LOGGER(SnapshotEngine);

 

void SnapshotEngine::action(){

        if(!OpenGLManager::self) throw logic_error("No OpenGLManager instance?!");

        if(OpenGLManager::self->views.size()==0){

                int viewNo=OpenGLManager::self->waitForNewView(deadTimeout);

                if(viewNo<0){

                        if(!ignoreErrors) throw runtime_error("SnapshotEngine: Timeout waiting for new 3d view.");

                        else {

                                LOG_WARN("Making myself Engine::dead, as I can not live without a 3d view (timeout)."); dead=true; return;

                        }

                }

        }

        const shared_ptr<GLViewer>& glv=OpenGLManager::self->views[0];

        ostringstream fss; fss<<fileBase<<setw(5)<<setfill('0')<<counter++<<"."<<boost::algorithm::to_lower_copy(format);

        LOG_DEBUG("GL view → "<<fss.str())

        glv->setSnapshotFormat(QString(format.c_str()));

        glv->nextFrameSnapshotFilename=fss.str();

        // wait for the renderer to save the frame (will happen at next postDraw)

        timespec t1,t2; t1.tv_sec=0; t1.tv_nsec=10000000; /* 10 ms */

        long waiting=0;

        while(!glv->nextFrameSnapshotFilename.empty()){

                nanosleep(&t1,&t2); waiting++;

                if(((waiting) % 1000)==0) LOG_WARN("Already waiting "<<waiting/100<<"s for snapshot to be saved. Something went wrong?");

                if(waiting/100.>deadTimeout){

                        if(ignoreErrors){ LOG_WARN("Timeout waiting for snapshot to be saved, making byself Engine::dead"); dead=true; return; }

                        else throw runtime_error("SnapshotEngine: Timeout waiting for snapshot to be saved.");

                }

        }

        snapshots.push_back(fss.str());

        usleep((long)(msecSleep*1000));

        //if(!plot.empty()){ pyRunString("import yade.plot; yade.plot.addImgData("+plot+"='"+fss.str()+"')"); }

}

 

 

#endif /* YADE_OPENGL */