FGFS-4.1/OpenSceneGraph
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Changed default multi-screen setup to set up for a flat wall configuration

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This commit is contained in:
Robert Osfield
2007-01-02 12:03:48 +00:00
parent 453cd7a4ef
commit dda72a16e8
1 changed files with 108 additions and 40 deletions
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148
src/osgViewer/View.cpp
View File

@@ -115,48 +115,100 @@ void View::setUpViewAcrossAllScreens()
}
else
{
double rotate_x = - double(numScreens-1) * 0.5 * fovx;
for(unsigned int i=0; i<numScreens; ++i, rotate_x += fovx)
bool cylindericalScreen = false;
if (cylindericalScreen)
{
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(i), width, height);
double rotate_x = - double(numScreens-1) * 0.5 * fovx;
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->screenNum = i;
traits->x = 0;
traits->y = 0;
traits->width = width;
traits->height = height;
traits->windowDecoration = false;
traits->doubleBuffer = true;
traits->sharedContext = 0;
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
osg::ref_ptr<osg::Camera> camera = new osg::Camera;
camera->setGraphicsContext(gc.get());
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
for(unsigned int i=0; i<numScreens; ++i, rotate_x += fovx)
{
osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
}
else
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl;
}
camera->setViewport(new osg::Viewport(0, 0, width, height));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(i), width, height);
addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::rotate( rotate_x, 0.0, 1.0, 0.0));
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->screenNum = i;
traits->x = 0;
traits->y = 0;
traits->width = width;
traits->height = height;
traits->windowDecoration = false;
traits->doubleBuffer = true;
traits->sharedContext = 0;
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
osg::ref_ptr<osg::Camera> camera = new osg::Camera;
camera->setGraphicsContext(gc.get());
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
}
else
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl;
}
camera->setViewport(new osg::Viewport(0, 0, width, height));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);
addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::rotate( rotate_x, 0.0, 1.0, 0.0));
}
}
else
{
double translate_x = double(numScreens) - 1.0;
for(unsigned int i=0; i<numScreens; ++i, translate_x -= 2.0)
{
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(i), width, height);
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->screenNum = i;
traits->x = 0;
traits->y = 0;
traits->width = width;
traits->height = height;
traits->windowDecoration = false;
traits->doubleBuffer = true;
traits->sharedContext = 0;
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
osg::ref_ptr<osg::Camera> camera = new osg::Camera;
camera->setGraphicsContext(gc.get());
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
}
else
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl;
}
camera->setViewport(new osg::Viewport(0, 0, width, height));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);
addSlave(camera.get(), osg::Matrixd::translate( translate_x, 0.0, 0.0), osg::Matrixd() );
}
}
}
@@ -277,6 +329,8 @@ void View::requestContinuousUpdate(bool)
void View::requestWarpPointer(float x,float y)
{
// osg::notify(osg::NOTICE)<<"View::requestWarpPointer("<<x<<","<<y<<")"<<std::endl;
osgGA::GUIEventAdapter* eventState = getEventQueue()->getCurrentEventState();
bool view_invert_y = eventState->getMouseYOrientation()==osgGA::GUIEventAdapter::Y_INCREASING_DOWNWARDS;
@@ -304,6 +358,11 @@ void View::requestWarpPointer(float x,float y)
if (view_invert_y) y = - y;
// osg::notify(osg::NOTICE)<<" remapped ("<<x<<","<<y<<")"<<std::endl;;
// osg::notify(osg::NOTICE)<<" number of slaves = "<<getNumSlaves()<<std::endl;;
double epsilon = 0.5;
for(unsigned i=0; i<getNumSlaves(); ++i)
{
Slave& slave = getSlave(i);
@@ -319,10 +378,14 @@ void View::requestWarpPointer(float x,float y)
osg::Vec3d new_coord = osg::Vec3d(x,y,0.0) * matrix;
// osg::notify(osg::NOTICE)<<" new_coord "<<new_coord<<std::endl;;
if (viewport &&
new_coord.x() >= viewport->x() && new_coord.y() >= viewport->y() &&
new_coord.x() <= (viewport->x()+viewport->width()) && new_coord.y() <= (viewport->y()+viewport->height()) )
new_coord.x() >= (viewport->x()-epsilon) && new_coord.y() >= (viewport->y()-epsilon) &&
new_coord.x() < (viewport->x()+viewport->width()-1.0+epsilon) && new_coord.y() <= (viewport->y()+viewport->height()-1.0+epsilon) )
{
// osg::notify(osg::NOTICE)<<" in viewport "<<std::endl;;
gw = dynamic_cast<osgViewer::GraphicsWindow*>(camera->getGraphicsContext());
if (gw)
{
@@ -338,11 +401,16 @@ void View::requestWarpPointer(float x,float y)
return;
}
}
else
{
// osg::notify(osg::NOTICE)<<" not in viewport "<<viewport->x()<<" "<<(viewport->x()+viewport->width())<<std::endl;;
}
}
}
// osg::notify(osg::NOTICE)<<" ** no warping applied. **"<<std::endl;
}