FGFS-4.1/OpenSceneGraph
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Cleaned up the GraphicsWindow setup

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This commit is contained in:
Robert Osfield 2007-01-05 15:30:49 +00:00
parent 9fcace0e73
commit d4045a6fef
1 changed files with 9 additions and 26 deletions
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35
examples/osghangglide/osghangglide.cpp
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@ -122,8 +122,7 @@ int main( int argc, char **argv )
}
bool customWindows = false;
while(arguments.read("-1")) customWindows = true;
while(arguments.read("-2")) customWindows = false;
while(arguments.read("-2")) customWindows = true;
if (customWindows)
{
@ -134,38 +133,22 @@ int main( int argc, char **argv )
return 0;
}
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height);
width -= 500;
height -= 500;
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 500;
traits->y = 500;
traits->width = width;
traits->height = height;
#if 0
traits->windowDecoration = false;
#else
traits->x = 250;
traits->y = 200;
traits->width = 800;
traits->height = 600;
traits->windowDecoration = true;
#endif
traits->doubleBuffer = true;
traits->sharedContext = 0;
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
if (gc.valid())
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
// need to ensure that the window is cleared make sure that the complete window is set the correct colour
// rather than just the parts of the window that are under the camera's viewports
gw->setClearColor(osg::Vec4f(0.2f,0.2f,0.6f,1.0f));
gw->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc->setClearColor(osg::Vec4f(0.2f,0.2f,0.6f,1.0f));
gc->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
else
{
@ -178,7 +161,7 @@ int main( int argc, char **argv )
{
osg::ref_ptr<osg::Camera> camera = new osg::Camera;
camera->setGraphicsContext(gc.get());
camera->setViewport(new osg::Viewport((i*width)/numCameras,(i*height)/numCameras, width/numCameras, height/numCameras));
camera->setViewport(new osg::Viewport((i* traits->width)/numCameras,(i* traits->height)/numCameras, traits->width/numCameras, traits->height/numCameras));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);