FGFS-4.1/OpenSceneGraph
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Added per TileData RTT Camera in prep for rendering backface of volume to a depth texture

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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
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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;