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StopAndWaitCullingManager.cpp @ 92

Revision 92, 1.3 KB checked in by mattausch, 19 years ago (diff)
exchanged halfbounding box with full bounding box

Rev	Line
[59]	1	#include "StopAndWaitCullingManager.h"
[86]	2	#include <windows.h>
[59]	3
	4	namespace GtpVisibility {
	5
	6	//-----------------------------------------------------------------------
	7	void StopAndWaitCullingManager::RenderScene()
	8	{
[87]	9	InitFrame();
	10
[59]	11	while (!mHierarchyInterface->GetQueue()->empty())
	12	{
	13	HierarchyNode *node = mHierarchyInterface->GetQueue()->top();
	14	mHierarchyInterface->GetQueue()->pop();
[87]	15
[59]	16	// interesting for visualization purpose
	17	mHierarchyInterface->SetNodeVisible(node, false);
	18	mHierarchyInterface->SetLastVisited(node, mHierarchyInterface->GetFrameId());
	19
	20	bool intersects = false;
	21
[74]	22	if (!mHierarchyInterface->CheckFrustumVisible(node, intersects))
[59]	23	{
	24	mNumFrustumCulledNodes ++;
	25	}
[74]	26	else
[59]	27	{
[74]	28	//if intersects near plane => skip occlusion query because wrong results possible
	29	if (intersects)
	30	{
	31	mHierarchyInterface->SetNodeVisible(node, true);
	32	mHierarchyInterface->TraverseNode(node);
	33	continue;
	34	}
[59]	35
[87]	36	mNumQueriesIssued ++;
	37
[86]	38	unsigned int visiblePixels = 0;
	39
	40	mHierarchyInterface->IssueOcclusionQuery(node)->GetQueryResult(visiblePixels, true);
[92]	41
[74]	42	// node visible
[86]	43	if (visiblePixels > mVisibilityThreshold)
[74]	44	{
	45	mHierarchyInterface->TraverseNode(node);
	46	}
	47	else
	48	{
	49	mNumQueryCulledNodes ++;
	50	}
[59]	51	}
	52	}
	53	}
	54	} // namespace GtpVisibility

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