1 | #include "VisibilityManager.h"
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2 | #include "StopAndWaitCullingManager.h"
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3 | #include "CoherentHierarchicalCullingManager.h"
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4 | #include "FrustumCullingManager.h"
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5 | #include "DummyPreprocessingManager.h"
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6 | #include "DummyQueryManager.h"
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7 |
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8 | namespace GtpVisibility {
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9 |
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10 | //-----------------------------------------------------------------------
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11 | VisibilityManager::VisibilityManager(VisibilityEnvironment *visEnvironment):
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12 | mVisibilityThreshold(0), mCullingManager(NULL)
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13 | {
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14 | mVisibilityEnvironment = visEnvironment;
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15 |
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16 | SetCullingManager(VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING);
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17 | //SetCullingManager(VisibilityEnvironment::FRUSTUM_CULLING);
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18 |
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19 | mQueryManager = new DummyQueryManager(0);
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20 | mPreprocessingManager = new DummyPreprocessingManager(0);
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21 | }
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22 | //-----------------------------------------------------------------------
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23 | VisibilityManager::~VisibilityManager()
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24 | {
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25 | delete mCullingManager;
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26 | }
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27 | //-----------------------------------------------------------------------
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28 | void VisibilityManager::SetCullingManager(
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29 | VisibilityEnvironment::CullingManagerType ocmType)
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30 | {
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31 | // change only if necessary
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32 | if (!mCullingManager || (mCullingManagerType != ocmType))
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33 | {
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34 | // delete old culling manager
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35 | if(mCullingManager)
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36 | delete mCullingManager;
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37 |
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38 | mCullingManagerType = ocmType;
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39 |
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40 | switch (ocmType)
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41 | {
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42 | case VisibilityEnvironment::STOP_AND_WAIT_CULLING:
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43 | mCullingManager = new StopAndWaitCullingManager();
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44 | break;
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45 |
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46 | case VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING:
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47 | mCullingManager = new CoherentHierarchicalCullingManager();
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48 | break;
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49 |
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50 | case VisibilityEnvironment::FRUSTUM_CULLING:
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51 | mCullingManager = new FrustumCullingManager();
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52 | break;
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53 | default:
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54 | mCullingManager = new StopAndWaitCullingManager();
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55 | break;
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56 | }
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57 | }
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58 | }
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59 | //-----------------------------------------------------------------------
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60 | void VisibilityManager::SetVisibilityCullingThreshold(unsigned int visibilityThreshold)
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61 | {
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62 | mVisibilityThreshold = visibilityThreshold;
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63 | mCullingManager->SetVisibilityThreshold(mVisibilityThreshold);
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64 | }
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65 | //-----------------------------------------------------------------------
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66 | CullingManager *VisibilityManager::GetCullingManager()
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67 | {
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68 | return mCullingManager;
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69 | }
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70 | //-----------------------------------------------------------------------
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71 | void VisibilityManager::ApplyVisibilityCulling()
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72 | {
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73 | mCullingManager->RenderScene();
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74 | }
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75 | VisibilityEnvironment::CullingManagerType VisibilityManager::GetCullingManagerType()
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76 | {
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77 | return mCullingManagerType;
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78 | }
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79 | //-----------------------------------------------------------------------
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80 | } // namespace GtpVisibility
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