hkKdTreeBuildInput.h
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- /*
- *
- * Confidential Information of Telekinesys Research Limited (t/a Havok). Not for disclosure or distribution without Havok's
- * prior written consent. This software contains code, techniques and know-how which is confidential and proprietary to Havok.
- * Level 2 and Level 3 source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2009 Telekinesys Research Limited t/a Havok. All Rights Reserved. Use of this software is subject to the terms of an end user license agreement.
- *
- */
- #ifndef HK_KDTREE_BUILD_COMMON_H
- #define HK_KDTREE_BUILD_COMMON_H
- #include <Common/Base/hkBase.h>
- #include <Common/Internal/KdTree/hkKdTree.h>
- #include <Common/Base/Thread/Semaphore/hkSemaphoreBusyWait.h>
- class hkKdTreeBuilderSparseWriter;
- namespace hkKdTreeBuildInput
- {
- class Mediator : public hkReferencedObject
- {
- public:
- HK_DECLARE_CLASS_ALLOCATOR(HK_MEMORY_CLASS_COLLIDE);
- virtual int getNumPrimitives() const = 0;
- virtual hkPrimitiveId getPrimitiveId( int primitiveIdx ) const = 0;
- virtual void projectPrimitive( hkPrimitiveId primitiveId, hkKdTreeBuildInput::ProjectedEntry& bounds ) = 0;
- };
-
- struct TreeStream
- {
- HK_PAD_ON_SPU(hkKdTreeNode*) m_root;
- };
- enum Splitting {
- SURFACE_AREA_HEURISTIC,
- MEDIAN
- };
- enum { MIN_NODES_FOR_DISTRIBUTED_BUILD = 8 };
- enum { MAX_NODES_FOR_DIRECT_BUILD = 512 };
- // ProjectedEntry definition moved to KdTree.h
-
- struct WorkingSet
- {
- HK_PAD_ON_SPU(ProjectedEntry*) m_entriesIn;
- HK_PAD_ON_SPU(ProjectedEntry*) m_entriesOut;
- };
- struct BuildRecursiveInput
- {
- HK_PAD_ON_SPU(WorkingSet*) m_buffers;
- HK_PAD_ON_SPU(int) m_currentNodeIdx;
- HK_PAD_ON_SPU(int) m_maxNodeIdx; // the maximum number of nodes allowed to allocate, equal to the size of the node buffer
- HK_PAD_ON_SPU(int) m_startPrimIdx;
- HK_PAD_ON_SPU(int) m_endPrimIdx;
- hkKdTreeBuildInput::ProjectedEntry m_bounds;
- HK_PAD_ON_SPU(hkKdTreeBuilderSparseWriter*) m_writer;
- hkVector4Comparison m_allowedEmptySplits; // prevent creation of redundant empty splits
- BuildRecursiveInput() : m_maxNodeIdx(-1)
- {
- m_allowedEmptySplits.set(hkVector4Comparison::MASK_XYZ);
- }
- };
- }
- #endif //HK_KDTREE_BUILD_COMMON_H
- /*
- * Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20090216)
- *
- * Confidential Information of Havok. (C) Copyright 1999-2009
- * Telekinesys Research Limited t/a Havok. All Rights Reserved. The Havok
- * Logo, and the Havok buzzsaw logo are trademarks of Havok. Title, ownership
- * rights, and intellectual property rights in the Havok software remain in
- * Havok and/or its suppliers.
- *
- * Use of this software for evaluation purposes is subject to and indicates
- * acceptance of the End User licence Agreement for this product. A copy of
- * the license is included with this software and is also available at www.havok.com/tryhavok.
- *
- */