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Timestamp:
01/11/07 16:19:59 (6 years ago)
Author:
robert
Message:

Ported following examples to osgViewer:

osgteapot
osgtessellate
osgtext
osgtexture1D
osgtexture2D
osgtexture3D
osgtexturerectangle
osgvertexprogram
osgvolume
osgwindows
osgsimple
osgkeyboardmouse

Files:
1 modified

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Removed

  • OpenSceneGraph/trunk/examples/osgwindows/osgwindows.cpp

    r5328 r5962  
    1212#include <osgDB/ReadFile> 
    1313#include <osgUtil/Optimizer> 
    14 #include <osgProducer/Viewer> 
    15  
    16 #include <Producer/CameraConfig> 
    17  
    18 static Producer::CameraConfig *BuildConfig(void) 
    19 { 
    20 #define TWO_SEPERATE_WINDOWS 
    21  
    22 #ifdef TWO_SEPERATE_WINDOWS 
    23     Producer::RenderSurface *rs1 = new Producer::RenderSurface; 
    24     rs1->setScreenNum(0); 
    25     rs1->setWindowName("osgwindows"); 
    26     //rs1->useBorder(false); 
    27     rs1->setWindowRectangle(0,0,640,480); 
    28     Producer::Camera *camera1 = new Producer::Camera; 
    29     camera1->setRenderSurface(rs1); 
    30     camera1->setOffset( 1.0, 0.0 ); 
    31  
    32     Producer::RenderSurface *rs2 = new Producer::RenderSurface; 
    33     rs2->setScreenNum(0); 
    34     rs2->setWindowName("osgwindows"); 
    35     //rs2->useBorder(false); 
    36     rs2->setWindowRectangle(640,0,640,480); 
    37     Producer::Camera *camera2 = new Producer::Camera; 
    38     camera2->setRenderSurface(rs2); 
    39     camera2->setOffset( -1.0, 0.0 ); 
    40  
    41     rs1->setInputRectangle( Producer::RenderSurface::InputRectangle(0.0,0.5,0.0,1.0)); 
    42     rs2->setInputRectangle( Producer::RenderSurface::InputRectangle(0.5,1.0,0.0,1.0)); 
    43  
    44     Producer::InputArea *ia = new Producer::InputArea; 
    45     ia->addRenderSurface(rs1); 
    46     ia->addRenderSurface(rs2); 
    47  
    48     Producer::CameraConfig *cfg = new Producer::CameraConfig; 
    49     cfg->addCamera("Camera 1",camera1); 
    50     cfg->addCamera("Camera 2", camera2); 
    51     cfg->setInputArea(ia); 
    52     return cfg; 
    53  
    54 #else 
    55     // one window with four camera's. 
    56     Producer::Camera* pcam1 = new Producer::Camera (); 
    57     pcam1->setProjectionRectangle (0.0f, 0.5f, 0.5f, 1.0f); 
    58     
    59     Producer::Camera* pcam2 = new Producer::Camera (); 
    60     pcam2->setRenderSurface (pcam1->getRenderSurface ()); 
    61     pcam2->setProjectionRectangle (0.5f, 1.0f, 0.5f, 1.0f); 
    62  
    63     Producer::Camera* pcam3 = new Producer::Camera (); 
    64     pcam3->setRenderSurface (pcam1->getRenderSurface ()); 
    65     pcam3->setProjectionRectangle (0.0f, 0.5f, 0.0f, 0.5f); 
    66  
    67     Producer::Camera* pcam4 = new Producer::Camera (); 
    68     pcam4->setRenderSurface (pcam1->getRenderSurface ()); 
    69     pcam4->setProjectionRectangle (0.5f, 1.0f, 0.0f, 0.5f); 
    70  
    71     Producer::CameraConfig *cfg = new Producer::CameraConfig; 
    72     cfg->addCamera("Camera 1",pcam1); 
    73     cfg->addCamera("Camera 2",pcam2); 
    74     cfg->addCamera("Camera 3",pcam3); 
    75     cfg->addCamera("Camera 4",pcam4); 
    76      
    77     return cfg; 
    78 #endif 
    79 } 
     14#include <osgViewer/Viewer> 
    8015 
    8116int main( int argc, char **argv ) 
    8217{ 
    83  
    8418    // use an ArgumentParser object to manage the program arguments. 
    8519    osg::ArgumentParser arguments(&argc,argv); 
    86      
    87     // set up the usage document, in case we need to print out how to use this program. 
    88     arguments.getApplicationUsage()->setApplicationName(arguments.getApplicationName()); 
    89     arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrate hows to set up programitically a Producer::CameraConfig and use it to set up multiple window views."); 
    90     arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ..."); 
    91     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information"); 
    92      
    93  
    94     // construct the viewer. 
    95     osgProducer::Viewer viewer(BuildConfig()); 
    96  
    97     // set up the value with sensible default event handlers. 
    98     viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS); 
    99  
    100     // get details on keyboard and mouse bindings used by the viewer. 
    101     viewer.getUsage(*arguments.getApplicationUsage()); 
    102  
    103     // if user request help write it out to cout. 
    104     if (arguments.read("-h") || arguments.read("--help")) 
    105     { 
    106         arguments.getApplicationUsage()->write(std::cout); 
    107         return 1; 
    108     } 
    109  
    110     // any option left unread are converted into errors to write out later. 
    111     arguments.reportRemainingOptionsAsUnrecognized(); 
    112  
    113     // report any errors if they have occured when parsing the program aguments. 
    114     if (arguments.errors()) 
    115     { 
    116         arguments.writeErrorMessages(std::cout); 
    117         return 1; 
    118     } 
    119      
    120     if (arguments.argc()<=1) 
    121     { 
    122         arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION); 
    123         return 1; 
    124     } 
    12520 
    12621    // read the scene from the list of file specified commandline args. 
    … …  
    13429    } 
    13530 
     31    // construct the viewer. 
     32    osgViewer::Viewer viewer; 
     33 
     34    // left window + left slave camera 
     35    { 
     36        osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits; 
     37        traits->x = 0; 
     38        traits->y = 0; 
     39        traits->width = 640; 
     40        traits->height = 480; 
     41        traits->windowDecoration = true; 
     42        traits->doubleBuffer = true; 
     43        traits->sharedContext = 0; 
     44 
     45        osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get()); 
     46 
     47        osg::ref_ptr<osg::Camera> camera = new osg::Camera; 
     48        camera->setGraphicsContext(gc.get()); 
     49        camera->setViewport(new osg::Viewport(0,0, traits->width, traits->height)); 
     50        GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; 
     51        camera->setDrawBuffer(buffer); 
     52        camera->setReadBuffer(buffer); 
     53 
     54        // add this slave camra to the viewer, with a shift left of the projection matrix 
     55        viewer.addSlave(camera.get(), osg::Matrixd::translate(1.0,0.0,0.0), osg::Matrixd()); 
     56    } 
     57     
     58    // left window + left slave camera 
     59    { 
     60        osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits; 
     61        traits->x = 640; 
     62        traits->y = 0; 
     63        traits->width = 640; 
     64        traits->height = 480; 
     65        traits->windowDecoration = true; 
     66        traits->doubleBuffer = true; 
     67        traits->sharedContext = 0; 
     68 
     69        osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get()); 
     70 
     71        osg::ref_ptr<osg::Camera> camera = new osg::Camera; 
     72        camera->setGraphicsContext(gc.get()); 
     73        camera->setViewport(new osg::Viewport(0,0, traits->width, traits->height)); 
     74        GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; 
     75        camera->setDrawBuffer(buffer); 
     76        camera->setReadBuffer(buffer); 
     77 
     78        // add this slave camra to the viewer, with a shift right of the projection matrix 
     79        viewer.addSlave(camera.get(), osg::Matrixd::translate(-1.0,0.0,0.0), osg::Matrixd()); 
     80    } 
     81 
    13682 
    13783    // optimize the scene graph, remove rendundent nodes and state etc. 
    … …  
    14288    viewer.setSceneData(loadedModel.get()); 
    14389 
    144     // create the windows and run the threads. 
    145     viewer.realize(); 
    146  
    147     while( !viewer.done() ) 
    148     { 
    149         // wait for all cull and draw threads to complete. 
    150         viewer.sync(); 
    151  
    152         // update the scene by traversing it with the the update visitor which will 
    153         // call all node update callbacks and animations. 
    154         viewer.update(); 
    155           
    156         // fire off the cull and draw traversals of the scene. 
    157         viewer.frame(); 
    158          
    159     } 
    160      
    161     // wait for all cull and draw threads to complete before exit. 
    162     viewer.sync(); 
    163  
    164     // run a clean up frame to delete all OpenGL objects. 
    165     viewer.cleanup_frame(); 
    166  
    167     // wait for all the clean up frame to complete. 
    168     viewer.sync(); 
    169  
    170     return 0; 
     90    return viewer.run(); 
    17191} 
    17292