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 "RandomUpdateCullingManager.h"
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7 | #include "CullingLogManager.h"
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8 |
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9 |
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10 | namespace GtpVisibility {
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11 |
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12 | //-----------------------------------------------------------------------
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13 | VisibilityManager::VisibilityManager(VisibilityEnvironment *visEnvironment):
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14 | mVisibilityThreshold(0),
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15 | mCullingManager(NULL),
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16 | mQueryManager(NULL),
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17 | mPreprocessingManager(new DummyPreprocessingManager(NULL)),
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18 | mVisibilityEnvironment(visEnvironment),
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19 | mAssumedVisibilityForChc(0)
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20 | {
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21 | #if 1
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22 | SetCullingManager(VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING);
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23 | #endif
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24 | #if 0
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25 | SetCullingManager(VisibilityEnvironment::STOP_AND_WAIT_CULLING);
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26 | #endif
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27 | #if 0
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28 | SetCullingManager(VisibilityEnvironment::FRUSTUM_CULLING);
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29 | #endif
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30 | }
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31 | //-----------------------------------------------------------------------
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32 | VisibilityManager::~VisibilityManager()
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33 | {
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34 | delete mCullingManager;
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35 | delete mPreprocessingManager;
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36 | CullingLogManager::DelSingleton();
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37 | }
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38 | //-----------------------------------------------------------------------
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39 | void VisibilityManager::SetCullingManager(VisibilityEnvironment::
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40 | CullingManagerType ocmType)
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41 | {
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42 | // change only if necessary
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43 | if (!mCullingManager || (mCullingManagerType != ocmType))
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44 | {
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45 | // delete old culling manager
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46 | if (mCullingManager)
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47 | {
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48 | delete mCullingManager;
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49 | }
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50 |
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51 | mCullingManagerType = ocmType;
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52 |
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53 | switch (ocmType)
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54 | {
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55 | case VisibilityEnvironment::STOP_AND_WAIT_CULLING:
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56 | mCullingManager = new StopAndWaitCullingManager();
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57 | break;
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58 |
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59 | case VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING:
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60 | mCullingManager = new CoherentHierarchicalCullingManager(mAssumedVisibilityForChc);
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61 | break;
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62 |
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63 | case VisibilityEnvironment::FRUSTUM_CULLING:
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64 | //mCullingManager = new FrustumCullingManager();
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65 | mCullingManager = new RandomUpdateCullingManager();
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66 | break;
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67 |
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68 | default:
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69 | mCullingManager = new CoherentHierarchicalCullingManager(mAssumedVisibilityForChc);
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70 | break;
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71 |
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72 | }
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73 |
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74 | /////////
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75 | //-- set threshold
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76 | mCullingManager->SetVisibilityThreshold(mVisibilityThreshold);
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77 | }
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78 | }
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79 | //-----------------------------------------------------------------------
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80 | void VisibilityManager::SetVisibilityCullingThreshold(unsigned int visibilityThreshold)
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81 | {
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82 | mVisibilityThreshold = visibilityThreshold;
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83 | mCullingManager->SetVisibilityThreshold(mVisibilityThreshold);
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84 | }
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85 | //-----------------------------------------------------------------------
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86 | CullingManager *VisibilityManager::GetCullingManager()
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87 | {
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88 | return mCullingManager;
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89 | }
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90 | //-----------------------------------------------------------------------
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91 | void VisibilityManager::ApplyVisibilityCulling()
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92 | {
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93 | mCullingManager->RenderScene();
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94 | }
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95 | //-----------------------------------------------------------------------
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96 | VisibilityEnvironment::CullingManagerType VisibilityManager::GetCullingManagerType()
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97 | {
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98 | return mCullingManagerType;
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99 | }
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100 | //-----------------------------------------------------------------------
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101 | void VisibilityManager::SetQueryManager(QueryManager *queryManager)
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102 | {
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103 | mQueryManager = queryManager;
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104 | }
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105 | //-----------------------------------------------------------------------
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106 | QueryManager *VisibilityManager::GetQueryManager()
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107 | {
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108 | return mQueryManager;
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109 | }
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110 | //-----------------------------------------------------------------------
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111 | void VisibilityManager::SetAssumedVisibilityForChc(unsigned int assumedVisibility)
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112 |
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113 | {
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114 | mAssumedVisibilityForChc = assumedVisibility;
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115 |
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116 | // in case we currently use chc
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117 | if (VisibilityManager::GetCullingManagerType() ==
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118 | VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING)
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119 | {
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120 | static_cast<CoherentHierarchicalCullingManager *>(mCullingManager)->
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121 | SetAssumedVisibility(assumedVisibility);
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122 | }
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123 | }
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124 | //-----------------------------------------------------------------------
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125 | VisibilityEnvironment *VisibilityManager::GetVisibilityEnvironment()
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126 | {
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127 | return mVisibilityEnvironment;
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128 | }
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129 |
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130 | } // namespace GtpVisibility
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