FGFS-4.1/OpenSceneGraph
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Changed OsgCameraGroup so that it shares osg::State between Producer::Camera's which

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share the same Producer::RenderSurface.

Added support for more colors in slideshow3D's constructor code.
This commit is contained in:
Robert Osfield
2003-09-10 19:25:36 +00:00
parent 5ca7659cda
commit f5b4f7ace0
3 changed files with 64 additions and 8 deletions
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23
src/osgProducer/OsgCameraGroup.cpp
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@@ -322,17 +322,32 @@ bool OsgCameraGroup::realize()
if (_ds->getDepthBuffer()) clear_mask |= GL_DEPTH_BUFFER_BIT;
if (_ds->getStencilBuffer()) clear_mask |= GL_STENCIL_BUFFER_BIT;
for( unsigned int i = 0; i < _cfg->getNumberOfCameras(); i++ )
// make sure any camera's which share the same render surface also share the same osg::State.
// use a std::map to keep track of what render surfaces are associated with what state.
typedef std::map<Producer::RenderSurface*,osg::State*> RenderSurfaceStateMap;
RenderSurfaceStateMap _renderSurfaceStateMap;
unsigned int contextID = 0;
for(unsigned int i = 0; i < _cfg->getNumberOfCameras(); i++ )
{
Producer::Camera *cam = _cfg->getCamera(i);
Producer::RenderSurface* rs = cam->getRenderSurface();
// create the scene handler.
osgProducer::OsgSceneHandler *sh = new osgProducer::OsgSceneHandler(_ds.get());
osgUtil::SceneView* sv = sh->getSceneView();
sv->setDefaults();
sh->setContextID(i);
if (_renderSurfaceStateMap.count(rs)==0)
{
_renderSurfaceStateMap[rs] = sv->getState();
sv->getState()->setContextID(contextID++);
}
else
{
sv->setState(_renderSurfaceStateMap[rs]);
}
_shvec.push_back( sh );
cam->setSceneHandler( sh );
@@ -342,7 +357,6 @@ bool OsgCameraGroup::realize()
if (stage) stage->setClearMask(clear_mask);
// set the realize callback.
Producer::RenderSurface* rs = cam->getRenderSurface();
rs->setRealizeCallback( new RenderSurfaceRealizeCallback(this, sh));
// set up the visual chooser.
@@ -374,6 +388,7 @@ bool OsgCameraGroup::realize()
}
}
if( _global_stateset == NULL && _shvec.size() > 0 )
{
SceneHandlerList::iterator p = _shvec.begin();