FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added per TileData RTT Camera in prep for rendering backface of volume to a depth texture

Browse Source
This commit is contained in:
Robert Osfield 2014-01-09 09:41:43 +00:00
parent 2efd52dda2
commit 110fbf89b0
2 changed files with 39 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
include/osgVolume/VolumeScene
View File

@ -44,16 +44,28 @@ class OSGVOLUME_EXPORT VolumeScene : public osg::Group
struct TileData : public osg::Referenced
{
TileData() : active(false) {}
bool active;
osg::NodePath nodePath;
osg::ref_ptr<osg::RefMatrix> projectionMatrix;
osg::ref_ptr<osg::RefMatrix> modelviewMatrix;
osg::ref_ptr<osg::Texture2D> depthTexture;
osg::ref_ptr<osg::Camera> rttCamera;
osg::ref_ptr<osg::Camera> stateset;
};
typedef std::list< osg::ref_ptr<TileData> > Tiles;
typedef std::map< VolumeTile*, osg::ref_ptr<TileData> > Tiles;
class ViewData : public osg::Referenced
{
public:
ViewData();
void clearTiles();
void visitTile(VolumeTile* tile);
osg::ref_ptr<osg::Texture2D> _depthTexture;
osg::ref_ptr<osg::Texture2D> _colorTexture;
osg::ref_ptr<osg::Camera> _rttCamera;

30
src/osgVolume/VolumeScene.cpp
View File

@ -53,6 +53,19 @@ VolumeScene::ViewData::ViewData()
{
}
void VolumeScene::ViewData::clearTiles()
{
for(Tiles::iterator itr = _tiles.begin();
itr != _tiles.end();
++itr)
{
if (itr->second.valid()) itr->second->active = false;
}
}
void VolumeScene::ViewData::visitTile(VolumeTile* tile)
{
}
VolumeScene::VolumeScene()
{
@ -82,11 +95,12 @@ void VolumeScene::tileVisited(osg::NodeVisitor* nv, osgVolume::VolumeTile* tile)
if (viewData.valid())
{
osg::ref_ptr<TileData> tileData = new TileData;
osg::ref_ptr<TileData>& tileData = viewData->_tiles[tile];
if (!tileData) tileData = new TileData;
tileData->active = true;
tileData->nodePath = cv->getNodePath();
tileData->projectionMatrix = cv->getProjectionMatrix();
tileData->modelviewMatrix = cv->getModelViewMatrix();
viewData->_tiles.push_back(tileData.get());
}
osg::BoundingBox bb(0.0f,0.0f,0.0f,1.0f,1.0f,1.0f);
@ -262,7 +276,7 @@ void VolumeScene::traverse(osg::NodeVisitor& nv)
// new frame so need to clear last frames log of VolumeTiles
viewData->_tiles.clear();
viewData->clearTiles();
osg::Viewport* viewport = cv->getCurrentRenderStage()->getViewport();
if (viewport)
@ -357,7 +371,15 @@ void VolumeScene::traverse(osg::NodeVisitor& nv)
itr != tiles.end();
++itr)
{
TileData* tileData = itr->get();
TileData* tileData = itr->second.get();
if (!tileData || !(tileData->active))
{
OSG_NOTICE<<"Skipping TileData that is inactive : "<<tileData<<std::endl;
continue;
}
OSG_NOTICE<<"Handling TileData that is active : "<<tileData<<std::endl;
unsigned int numStateSetPushed = 0;
// OSG_NOTICE<<"VolumeTile to add "<<tileData->projectionMatrix.get()<<", "<<tileData->modelviewMatrix.get()<<std::endl;