source: trunk/VUT/GtpVisibility/src/VisibilityManager.cpp @ 114

#include "VisibilityManager.h"
#include "StopAndWaitCullingManager.h"
#include "CoherentHierarchicalCullingManager.h"
#include "FrustumCullingManager.h"
#include "DummyPreprocessingManager.h"
#include "DummyQueryManager.h"

namespace GtpVisibility {

//-----------------------------------------------------------------------
VisibilityManager::VisibilityManager(VisibilityEnvironment *visEnvironment):
mVisibilityThreshold(0), mCullingManager(NULL),
mQueryManager(new DummyQueryManager(NULL)),
mPreprocessingManager(new DummyPreprocessingManager(NULL)),
mVisibilityEnvironment(visEnvironment)
{
        SetCullingManager(VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING);
        //SetCullingManager(VisibilityEnvironment::STOP_AND_WAIT_CULLING);
        //SetCullingManager(VisibilityEnvironment::FRUSTUM_CULLING);
}
//-----------------------------------------------------------------------
VisibilityManager::~VisibilityManager()
{
        delete mCullingManager;
}
//-----------------------------------------------------------------------
void VisibilityManager::SetCullingManager(
        VisibilityEnvironment::CullingManagerType ocmType)
{
        // change only if necessary
        if (!mCullingManager || (mCullingManagerType != ocmType))
        {
                // delete old culling manager
                if (mCullingManager)
                {
                        delete mCullingManager;
                }
                mCullingManagerType = ocmType;
                
                switch (ocmType)
                {
                case VisibilityEnvironment::STOP_AND_WAIT_CULLING:
                        mCullingManager = new StopAndWaitCullingManager();
                        break;

                case VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING:
                        mCullingManager = new CoherentHierarchicalCullingManager();
                        break;

                case VisibilityEnvironment::FRUSTUM_CULLING:
                        mCullingManager = new FrustumCullingManager();
                        break;

                default:
                        mCullingManager = new StopAndWaitCullingManager();
                        break;

                }

                // -- set threshold
                mCullingManager->SetVisibilityThreshold(mVisibilityThreshold);          
        }
}
//-----------------------------------------------------------------------
void VisibilityManager::SetVisibilityCullingThreshold(unsigned int visibilityThreshold)
{
        mVisibilityThreshold = visibilityThreshold;
        mCullingManager->SetVisibilityThreshold(mVisibilityThreshold);
}
//-----------------------------------------------------------------------
CullingManager *VisibilityManager::GetCullingManager()
{
        return mCullingManager;
}
//-----------------------------------------------------------------------
void VisibilityManager::ApplyVisibilityCulling()
{
        mCullingManager->RenderScene();
}
//-----------------------------------------------------------------------
VisibilityEnvironment::CullingManagerType VisibilityManager::GetCullingManagerType()
{
        return mCullingManagerType;
}

} // namespace GtpVisibility