int main(int argc, char **argv)
{
OSG::osgInit(argc,argv);
if(argc > 1 && !strcmp(argv[1],"-s"))
{
show = false;
argv++;
argc--;
}
if(argc > 1 && !strcmp(argv[1],"-d"))
{
debug = true;
argv++;
argc--;
}
if(argc > 1)
{
scene = OSG::Node::create();
OSG::GroupUnrecPtr g = OSG::Group::create();
scene->setCore(g);
for(OSG::UInt16 i = 1; i < argc; ++i)
scene->addChild(OSG::SceneFileHandler::the()->read(argv[i]));
}
else
{
scene = OSG::makeTorus(.5, 3, 16, 16);
}
// GLUT init
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
glutInitWindowSize(1024, 768);
mainwinid = glutCreateWindow("OpenSG");
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutIdleFunc(idle);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
OSG::GLUTWindowUnrecPtr mainwin=OSG::GLUTWindow::create();
mainwin->setGlutId(mainwinid);
mainwin->init();
// create the SimpleSceneManager helper
mgr = OSG::SimpleSceneManager::create();
// create the window and initial camera/viewport
mgr->setWindow(mainwin);
// tell the manager what to manage
mgr->setRoot (scene);
OSG::commitChanges();
// show the whole scene
mgr->showAll();
mgr->setUseTraversalAction(true);
tact = OSG::RenderAction::create();
#ifdef OSG_OLD_RENDER_ACTION
act = OSG::RenderAction::create();
#endif
debugact = OSG::RenderAction::create();
tact->setOcclusionCulling(true);
// Open the debug window
if(debug)
{
OSG::traverse(scene, initMask);
glutInitWindowSize(800, 400);
debugwinid = glutCreateWindow("OpenSG Occlusion Debugging");
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutIdleFunc(display);
glutKeyboardFunc(keyboard);
debugwin=OSG::GLUTWindow::create();
debugwin->setGlutId(debugwinid);
debugwin->init();
OSG::ViewportUnrecPtr vp = mainwin->getPort(0);
OSG::ViewportUnrecPtr newvp = OSG::Viewport::create();
newvp->setLeft(0);
newvp->setRight(0.5);
newvp->setBottom(0);
newvp->setTop(1);
newvp->setRoot(vp->getRoot());
newvp->setCamera(vp->getCamera());
newvp->setBackground(vp->getBackground());
newvp->setTravMask(0x1);
debugwin->addPort(newvp);
newvp = OSG::Viewport::create();
newvp->setLeft(0.5);
newvp->setRight(1);
newvp->setBottom(0);
newvp->setTop(1);
newvp->setRoot(vp->getRoot());
newvp->setCamera(vp->getCamera());
newvp->setBackground(vp->getBackground());
newvp->setTravMask(0x2);
debugwin->addPort(newvp);
tact->setOcclusionCullingDebug(true);
tact->setOcclusionDebugMasks(0x1, 0x2, 0x4);
}
// add the statistics forground
statfg = OSG::SimpleStatisticsForeground::create();
statfg->setSize(25);
statfg->setColor(OSG::Color4f(0,1,0,0.7f));
statfg->addElement(OSG::RenderAction::statDrawTime,
"Draw FPS: %r.3f");
statfg->addElement(OSG::RenderAction::statNMatrices,
"Matrix Changes: %d");
statfg->addElement(OSG::RenderAction::statNStates,
"State Changes: %d");
statfg->addElement(OSG::RenderPartition::statCullTestedNodes,
"Cull-tested Nodes: %d");
statfg->addElement(OSG::RenderPartition::statCulledNodes,
"Culled Nodes: %d");
statfg->addElement(OSG::OcclusionCullingTreeBuilder::statNOccNodes,
"Nodes in DrawTree: %d");
statfg->addElement(OSG::OcclusionCullingTreeBuilder::statNOccTests,
"Occ Tests: %d");
statfg->addElement(OSG::OcclusionCullingTreeBuilder::statNOccInvisible,
"Invisible Nodes: %d");
statfg->addElement(OSG::OcclusionCullingTreeBuilder::statNOccSuccessTestPer,
"OCC Success rate: %per%%");
statfg->addElement(OSG::OcclusionCullingTreeBuilder::statNOccTriangles,
"Triangles culled: %d");
collector = statfg->getCollector();
tact->setStatCollector(collector);
#ifdef OSG_OLD_RENDER_ACTION
act ->setStatCollector(collector);
#endif
mgr->setAction(tact);
#ifdef OSG_OLD_RENDER_ACTION
mgr->setAction( act);
#endif
//tact->setOcclusionCullingMinimumFeatureSize(15);
//tact->setOcclusionCullingVisibilityThreshold(15);
//tact->setScreenLODCoverageThreshold(0.005);
if(show)
{
mainwin->getPort(0)->addForeground(statfg);
}
#ifdef OSG_WITH_NVPERFSDK
NVPMRESULT status;
status = NVPMInit();
if (status != NVPM_OK) {
FFATAL(("NVPerfSDK failed to initialize - no GPU data will be available"));
}
else
{
nvDataProvider->add("gpu_idle");
nvDataProvider->add("pixel_shader_busy");
nvDataProvider->add("vertex_shader_busy");
nvDataProvider->add("shader_waits_for_texture");
if (!nvDataProvider->add("OGL FPS"))
FLOG(("nvDataProvider::add: 'OGL FPS' failed!\n"));
statfg->addElement(GPUIdleStat);
statfg->addElement(PSBusyStat);
statfg->addElement(VSBusyStat);
statfg->addElement(TextureWaitStat);
statfg->addElement(OGLFPSStat);
}
#endif
// GLUT main loop
glutMainLoop();
return 0;
}
// react to keys
void keyboard(unsigned char k, int, int)
{
switch(k)
{
case 27:
{
#ifdef OSG_WITH_NVPERFSDK
NVPMShutdown();
#endif
mgr = NULL;
tact = NULL;
debugact = NULL;
scene = NULL;
mainwin = NULL;
debugwin = NULL;
statfg = NULL;
OSG::osgExit();
exit(0);
}
#ifdef OSG_OLD_RENDER_ACTION
case 'v':
{
mgr->getAction()->setVolumeDrawing(
!mgr->getAction()->getVolumeDrawing());
std::cerr << "Volume Drawing: "
<< (mgr->getAction()->getVolumeDrawing()?"on":"off")
<< std::endl;
}
case 'z':
{
OSG::RenderAction *ract =
dynamic_cast<OSG::RenderAction *>(mgr->getAction());
ract->setZWriteTrans(!ract->getZWriteTrans());
std::cerr << "Switch TransZWrite to "
<< (ract->getZWriteTrans()?"on":"off")
<< std::endl;
}
break;
#endif
case 'r':
{
initElements();
bool buseTrav = mgr->getUseTraversalAction();
buseTrav = !buseTrav;
mgr->setUseTraversalAction(buseTrav);
}
break;
#ifdef OSG_OLD_RENDER_ACTION
case 'n':
fprintf(stderr, "1) set s sorting to %d\n", act->getStateSorting());
act->setStateSorting(!act->getStateSorting());
fprintf(stderr, "2) set s sorting to %d\n", act->getStateSorting());
break;
#endif
case 'k':
tact->setKeyGen(0);
break;
case 's':
{
OSG::UInt32 uiSId = OSG::SimpleSHLChunk ::getStaticClassId() & 0x000003FF;
OSG::UInt32 uiTId = OSG::TextureBaseChunk::getStaticClassId() & 0x000003FF;
OSG::UInt32 uiMId = OSG::MaterialChunk ::getStaticClassId() & 0x000003FF;
OSG::UInt32 uiKeyGen = (uiSId) | (uiTId << 10) | (uiMId << 20);
tact->setKeyGen(uiKeyGen);
}
break;
case 'g':
bGLFinish = !bGLFinish;
tact->setUseGLFinish(bGLFinish);
#ifdef OSG_OLD_RENDER_ACTION
act->setUseGLFinish(bGLFinish);
#endif
break;
case 'C':
{
OSG::Real32 cov = tact->getOcclusionCullingCoveredThreshold();
cov+=0.1f;
tact->setOcclusionCullingCoveredThreshold(cov);
std::cout << "Covered Threshold now: " << cov << std::endl;
}
break;
case 'c':
{
OSG::Real32 cov1 = tact->getOcclusionCullingCoveredThreshold();
cov1-=0.1f;
tact->setOcclusionCullingCoveredThreshold(cov1);
std::cout << "Covered Threshold now: " << cov1 << std::endl;
}
break;
case 'M':
{
OSG::UInt32 minFSize = tact->getOcclusionCullingMinimumFeatureSize();
minFSize+=1;
tact->setOcclusionCullingMinimumFeatureSize(minFSize);
std::cout << "Minimum Feature Size now: " << minFSize << std::endl;
}
break;
case 'm':
{
OSG::UInt32 small1 = tact->getOcclusionCullingMinimumFeatureSize();
small1-=1;
tact->setOcclusionCullingMinimumFeatureSize(small1);
std::cout << "Minimum Feature Size now: " << small1 << std::endl;
}
break;
case 'I':
{
OSG::UInt32 visT = tact->getOcclusionCullingVisibilityThreshold();
visT+=1;
tact->setOcclusionCullingVisibilityThreshold(visT);
std::cout << "Visibility Threshold now: " << visT << std::endl;
}
break;
case 'i':
{
OSG::UInt32 visTa = tact->getOcclusionCullingVisibilityThreshold();
visTa-=1;
tact->setOcclusionCullingVisibilityThreshold(visTa);
std::cout << "Visibility Threshold now: " << visTa << std::endl;
}
break;
case 'l':
{
OSG::UInt32 numLev = tact->getScreenLODNumLevels();
numLev-=1;
tact->setScreenLODNumLevels(numLev);
std::cout << "LOD's in use now: " << numLev << std::endl;
}
break;
case 'L':
{
OSG::UInt32 numLeva = tact->getScreenLODNumLevels();
numLeva+=1;
tact->setScreenLODNumLevels(numLeva);
std::cout << "LOD's in use now: " << numLeva << std::endl;
}
break;
case 'B':
{
OSG::UInt32 bfsz = tact->getOcclusionCullingQueryBufferSize();
bfsz+=200;
tact->setOcclusionCullingQueryBufferSize(bfsz);
std::cout << "Query Buffer Size now: " << bfsz << std::endl;
}
break;
case 'b':
{
OSG::UInt32 bfsza = tact->getOcclusionCullingQueryBufferSize();
bfsza-=200;
tact->setOcclusionCullingQueryBufferSize(bfsza);
std::cout << "Query Buffer Size now: " << bfsza << std::endl;
}
break;
case 't':
{
OSG::UInt32 tcount = tact->getOcclusionCullingMinimumTriangleCount();
tcount-=50;
tact->setOcclusionCullingMinimumTriangleCount(tcount);
std::cout << "Minimum Triangle Count now: " << tcount << std::endl;
}
break;
case 'T':
{
OSG::UInt32 tcounta = tact->getOcclusionCullingMinimumTriangleCount();
tcounta+=50;
tact->setOcclusionCullingMinimumTriangleCount(tcounta);
std::cout << "Minimum Triangle Count now: " << tcounta << std::endl;
}
break;
case 'H':
{
OSG::UInt32 mfsa = 0;
OSG::Real32 sfta = 0.0f;
tact->setOcclusionCullingMinimumFeatureSize(mfsa);
tact->setOcclusionCullingVisibilityThreshold(mfsa);
tact->setScreenLODCoverageThreshold(sfta);
std::cout << "High Resolution Mode" << std::endl;
}
break;
case 'h':
{
OSG::UInt32 mfs = 1000;
OSG::Real32 sft = 0.15f;
tact->setOcclusionCullingMinimumFeatureSize(mfs);
tact->setOcclusionCullingVisibilityThreshold(mfs);
tact->setScreenLODCoverageThreshold(sft);
std::cout << "Low Resolution Mode" << std::endl;
}
break;
case 'P':
{
OSG::Real32 cover = tact->getScreenLODCoverageThreshold();
cover+=0.001f;
tact->setScreenLODCoverageThreshold(cover);
std::cout << "ScreenLOD Coverage Threshold now: " << cover << std::endl;
}
break;
case 'p':
{
OSG::Real32 covera = tact->getScreenLODCoverageThreshold();
covera-=0.001f;
tact->setScreenLODCoverageThreshold(covera);
std::cout << "ScreenLOD Coverage Threshold now: " << covera << std::endl;
}
break;
case 'D':
{
OSG::Real32 user_dega = tact->getScreenLODDegradationFactor();
user_dega+=0.01f;
tact->setScreenLODDegradationFactor(user_dega);
std::cout << "ScreenLOD User Degradation Factor now: " << user_dega << std::endl;
}
break;
case 'd':
{
OSG::Real32 user_deg = tact->getScreenLODDegradationFactor();
user_deg-=0.01f;
tact->setScreenLODDegradationFactor(user_deg);
std::cout << "ScreenLOD User Degradation Factor now: " << user_deg << std::endl;
}
break;
case 'N':
{
OSG::Real32 coverb = tact->getScreenLODCoverageThreshold();
coverb=0.0;
tact->setScreenLODCoverageThreshold(coverb);
std::cout << "ScreenLOD Coverage Threshold now: " << coverb << std::endl;
}
break;
case 'o':
{
tact->setOcclusionCulling(false);
std::cout << "OCC Off" << std::endl;
}
break;
case 'O':
{
tact->setOcclusionCulling(true);
std::cout << "OCC On" << std::endl;
}
break;
case 'f':
{
std::cout << "Freeze Occlusion result" << std::endl;
//initElements();
mgr->setUseTraversalAction(false);
// Render stuff that is visible and tested
mgr->getWindow()->getPort(0)->setTravMask(0x5);
}
break;
case 'F':
{
std::cout << "Unfreeze Occlusion result" << std::endl;
//initElements();
mgr->setUseTraversalAction(true);
mgr->getWindow()->getPort(0)->setTravMask(0xffffffff);
}
break;
case 'W':
{
std::string sss = "out.osb";
OSG::SceneFileHandler::the()->write(scene, sss.c_str());
}
break;
#ifdef OSG_WITH_NVPERFSDK
case 'e':
runExperiment = true;
break;
#endif
}
redisplay();
}