FGFS-4.1/OpenSceneGraph
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Added support WindowingSystemInterface for querring the number of screens, the screen size and creating GraphicsContexts.

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This commit is contained in:
Robert Osfield
2006-12-17 20:49:01 +00:00
parent 982a4db9e2
commit afc77f9b39
5 changed files with 111 additions and 50 deletions
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25
examples/osgcamera/osgcamera.cpp
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@@ -148,7 +148,27 @@ int main( int argc, char **argv )
std::cout<<"Error: failed to loading windowing library: "<<windowingLibrary<<std::endl;
}
unsigned int numberCameras = 3;
osg::GraphicsContext::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
if (!wsi)
{
std::cout<<"No WindowSystemInterface available, cannot create windows."<<std::endl;
return 1;
}
unsigned int numScreens = wsi->getNumScreens();
for(unsigned int i=0; i<numScreens; ++i)
{
osg::GraphicsContext::ScreenIdentifier si;
si._screenNum = 0;
unsigned int width, height;
wsi->getScreenResolution(si, width, height);
std::cout<<"screen= "<<i<<" width="<<width<<" height="<<height<<std::endl;
}
unsigned int numberCameras = numScreens;
while (arguments.read("--cameras",numberCameras)) {}
unsigned int xpos = 0;
@@ -186,6 +206,8 @@ int main( int argc, char **argv )
CameraList cameraList;
GraphicsContextSet graphicsContextSet;
// create the cameras, graphic contexts and graphic threads.
bool shareContexts = false;
@@ -197,6 +219,7 @@ int main( int argc, char **argv )
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->_windowName = "osgcamera";
traits->_screenNum = i % numScreens;
traits->_x = xpos;
traits->_y = ypos;
traits->_width = width;