Init

physx/samples/samplebase/SampleAllocator.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 SAMPLE_ALLOCATOR_H
+#define SAMPLE_ALLOCATOR_H
+
+#include "foundation/PxAllocatorCallback.h"
+#include "common/PxPhysXCommonConfig.h"
+#include "PsMutex.h"
+#include "PxTkNamespaceMangle.h"
+
+using namespace physx;
+
+	class PxSampleAllocator : public PxAllocatorCallback
+	{
+		public:
+						PxSampleAllocator();
+						~PxSampleAllocator();
+
+		virtual void*	allocate(size_t size, const char* typeName, const char* filename, int line);
+				void*	allocate(size_t size, const char* filename, int line)	{ return allocate(size, NULL, filename, line); }
+		virtual void	deallocate(void* ptr);
+
+		protected:
+				Ps::MutexT<Ps::RawAllocator> mMutex;
+
+				void**		mMemBlockList;
+				PxU32		mMemBlockListSize;
+				PxU32		mFirstFree;
+				PxU32		mMemBlockUsed;
+
+		public:
+				PxI32		mNbAllocatedBytes;
+				PxI32		mHighWaterMark;
+				PxI32		mTotalNbAllocs;
+				PxI32		mNbAllocs;
+	};
+
+	void				initSampleAllocator();
+	void				releaseSampleAllocator();
+	PxSampleAllocator*	getSampleAllocator();
+
+	class SampleAllocateable
+	{
+		public:
+		PX_FORCE_INLINE	void*	operator new		(size_t, void* ptr)													{ return ptr;	}
+		PX_FORCE_INLINE	void*	operator new		(size_t size, const char* handle, const char * filename, int line)	{ return getSampleAllocator()->allocate(size, handle, filename, line);	}
+		PX_FORCE_INLINE	void*	operator new[]		(size_t size, const char* handle, const char * filename, int line)	{ return getSampleAllocator()->allocate(size, handle, filename, line);	}
+		PX_FORCE_INLINE	void	operator delete		(void* p)															{ getSampleAllocator()->deallocate(p);	}
+		PX_FORCE_INLINE	void	operator delete		(void* p, PxU32, const char*, int)									{ getSampleAllocator()->deallocate(p);	}
+		PX_FORCE_INLINE	void	operator delete		(void* p, const char*, const char *, int)							{ getSampleAllocator()->deallocate(p);	}
+		PX_FORCE_INLINE	void	operator delete[]	(void* p)															{ getSampleAllocator()->deallocate(p);	}
+		PX_FORCE_INLINE	void	operator delete[]	(void* p, PxU32, const char*, int)									{ getSampleAllocator()->deallocate(p);	}
+		PX_FORCE_INLINE	void	operator delete[]	(void* p, const char*, const char *, int)							{ getSampleAllocator()->deallocate(p);	}
+	};
+
+	#define SAMPLE_ALLOC(x)	getSampleAllocator()->allocate(x, 0, __FILE__, __LINE__)
+	#define	SAMPLE_FREE(x)	if(x)	{ getSampleAllocator()->deallocate(x); x = NULL;	}
+	#define SAMPLE_NEW(x)	new(#x, __FILE__, __LINE__) x
+
+#endif