96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef PXFOUNDATION_PXALLOCATORCALLBACK_H
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#define PXFOUNDATION_PXALLOCATORCALLBACK_H
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/** \addtogroup foundation
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@{
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*/
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#include "foundation/Px.h"
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#if !PX_DOXYGEN
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namespace physx
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{
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#endif
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/**
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\brief Abstract base class for an application defined memory allocator that can be used by the Nv library.
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\note The SDK state should not be modified from within any allocation/free function.
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<b>Threading:</b> All methods of this class should be thread safe as it can be called from the user thread
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or the physics processing thread(s).
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*/
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class PxAllocatorCallback
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{
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public:
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/**
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\brief destructor
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*/
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virtual ~PxAllocatorCallback()
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{
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}
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/**
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\brief Allocates size bytes of memory, which must be 16-byte aligned.
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This method should never return NULL. If you run out of memory, then
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you should terminate the app or take some other appropriate action.
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<b>Threading:</b> This function should be thread safe as it can be called in the context of the user thread
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and physics processing thread(s).
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\param size Number of bytes to allocate.
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\param typeName Name of the datatype that is being allocated
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\param filename The source file which allocated the memory
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\param line The source line which allocated the memory
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\return The allocated block of memory.
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*/
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virtual void* allocate(size_t size, const char* typeName, const char* filename, int line) = 0;
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/**
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\brief Frees memory previously allocated by allocate().
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<b>Threading:</b> This function should be thread safe as it can be called in the context of the user thread
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and physics processing thread(s).
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\param ptr Memory to free.
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*/
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virtual void deallocate(void* ptr) = 0;
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};
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#if !PX_DOXYGEN
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} // namespace physx
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#endif
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/** @} */
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#endif // #ifndef PXFOUNDATION_PXALLOCATORCALLBACK_H
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