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physx/include/cooking/PxBVH34MidphaseDesc.h

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+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+
+#ifndef PX_BVH_34_MIDPHASE_DESC_H
+#define PX_BVH_34_MIDPHASE_DESC_H
+/** \addtogroup cooking
+@{
+*/
+
+#include "foundation/PxPreprocessor.h"
+#include "foundation/PxSimpleTypes.h"
+
+#if !PX_DOXYGEN
+namespace physx
+{
+#endif
+
+/**
+
+\brief Structure describing parameters affecting BVH34 midphase mesh structure.
+
+@see PxCookingParams, PxMidphaseDesc
+*/
+struct PxBVH34MidphaseDesc
+{
+	/**
+	\brief Mesh cooking hint for max primitives per leaf limit. 
+	Less primitives per leaf produces larger meshes with better runtime performance 
+	and worse cooking performance. More triangles per leaf results in faster cooking speed and
+	smaller mesh sizes, but with worse runtime performance.
+
+	<b>Default value:</b> 4
+	<b>Range:</b> <4, 15>
+	*/
+	PxU32			numPrimsPerLeaf;
+
+	/**
+	\brief Desc initialization to default value.
+	*/
+    void setToDefault()
+    {
+		numPrimsPerLeaf = 4;
+    }
+
+	/**
+	\brief Returns true if the descriptor is valid.
+	\return true if the current settings are valid.
+	*/
+	bool isValid() const
+	{
+		if(numPrimsPerLeaf < 4 || numPrimsPerLeaf > 15)
+			return false;
+		return true;
+	}
+};
+
+#if !PX_DOXYGEN
+} // namespace physx
+#endif
+
+
+  /** @} */
+#endif // PX_BVH_34_MIDPHASE_DESC_H