Revision 59,
1.4 KB
checked in by mattausch, 19 years ago
(diff) |
completely changed file structure plus software design
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[59] | 1 | #include "StopAndWaitCullingManager.h" |
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| 2 | |
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| 3 | namespace GtpVisibility { |
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| 4 | |
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| 5 | //----------------------------------------------------------------------- |
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| 6 | StopAndWaitCullingManager::StopAndWaitCullingManager(HierarchyInterface *HierarchyInterface): |
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| 7 | CullingManager(HierarchyInterface) |
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| 8 | { |
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| 9 | } |
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| 10 | //----------------------------------------------------------------------- |
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| 11 | void StopAndWaitCullingManager::RenderScene() |
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| 12 | { |
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| 13 | mNumFrustumCulledNodes = mNumQueryCulledNodes = 0; |
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| 14 | |
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| 15 | while (!mHierarchyInterface->GetQueue()->empty()) |
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| 16 | { |
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| 17 | HierarchyNode *node = mHierarchyInterface->GetQueue()->top(); |
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| 18 | mHierarchyInterface->GetQueue()->pop(); |
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| 19 | |
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| 20 | // interesting for visualization purpose |
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| 21 | mHierarchyInterface->SetNodeVisible(node, false); |
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| 22 | mHierarchyInterface->SetLastVisited(node, mHierarchyInterface->GetFrameId()); |
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| 23 | |
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| 24 | bool intersects = false; |
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| 25 | |
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| 26 | if (mHierarchyInterface->CheckFrustumVisible(node, intersects)) |
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| 27 | { |
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| 28 | mNumFrustumCulledNodes ++; |
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| 29 | continue; |
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| 30 | } |
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| 31 | |
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| 32 | //if intersects near plane => skip occlusion query because wrong results possible |
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| 33 | if (intersects) |
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| 34 | { |
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| 35 | mHierarchyInterface->SetNodeVisible(node, true); |
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| 36 | mHierarchyInterface->TraverseNode(node); |
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| 37 | continue; |
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| 38 | } |
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| 39 | |
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| 40 | // node visible |
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| 41 | if (mHierarchyInterface->IssueOcclusionQuery(node)->GetQueryResult() > |
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| 42 | mVisibilityThreshold) |
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| 43 | { |
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| 44 | mHierarchyInterface->TraverseNode(node); |
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| 45 | } |
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| 46 | else |
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| 47 | { |
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| 48 | mNumQueryCulledNodes ++; |
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| 49 | } |
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| 50 | } |
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| 51 | } |
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| 52 | } // namespace GtpVisibility |
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