source: GTP/trunk/App/Demos/Vis/CHC_revisited/StopAndWaitTraverser.cpp @ 2757

#include "StopAndWaitTraverser.h"

namespace CHCDemo
{
StopAndWaitTraverser::StopAndWaitTraverser(): RenderTraverser() 
{
}


StopAndWaitTraverser::~StopAndWaitTraverser()
{
        //DelQueries();
}


void StopAndWaitTraverser::Render()
{
#if 0
        while(! mDistanceQueue.empty())
        {
                HierarchyNode *node = mDistanceQueue.top();
                mDistanceQueue.pop();
                mNumTraversedNodes ++;
                // interesting for the visualization, so rest and set
                node->SetVisible(false);

                bool intersects;
                
                if(InsideViewFrustum(node, intersects))
                {
                        // update node's visited flag
                        node->SetLastVisited(mFrameID);

                        // for near plane intersecting abbs possible 
                        // wrong results => skip occlusion query
                        if(intersects)
                        {
                                node->SetVisible(true);
                                TraverseNode(node);
                        }
                        else
                        {
                                IssueOcclusionQuery(node, false);
                                
                                // wait if result not available
                                int visiblePixels = GetOcclusionQueryResult(node);
                                
                                // node visible
                                if(visiblePixels > mVisibilityThreshold)
                                {
                                        node->SetVisible(true);
                                        TraverseNode(node);
                                }
                                else
                                {
                                        mNumQueryCulledNodes ++;
                                }
                        }                                       
                }
                else
                {
                        mNumFrustumCulledNodes ++;
                }
        }
#endif
}

}