| 1 | // |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions |
| 4 | // are met: |
| 5 | // * Redistributions of source code must retain the above copyright |
| 6 | // notice, this list of conditions and the following disclaimer. |
| 7 | // * Redistributions in binary form must reproduce the above copyright |
| 8 | // notice, this list of conditions and the following disclaimer in the |
| 9 | // documentation and/or other materials provided with the distribution. |
| 10 | // * Neither the name of NVIDIA CORPORATION nor the names of its |
| 11 | // contributors may be used to endorse or promote products derived |
| 12 | // from this software without specific prior written permission. |
| 13 | // |
| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | // |
| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. |
| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. |
| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. |
| 29 | |
| 30 | #ifndef PXFOUNDATION_PXALLOCATORCALLBACK_H |
| 31 | #define PXFOUNDATION_PXALLOCATORCALLBACK_H |
| 32 | |
| 33 | /** \addtogroup foundation |
| 34 | @{ |
| 35 | */ |
| 36 | |
| 37 | #include "foundation/Px.h" |
| 38 | #if !PX_DOXYGEN |
| 39 | namespace physx |
| 40 | { |
| 41 | #endif |
| 42 | |
| 43 | /** |
| 44 | \brief Abstract base class for an application defined memory allocator that can be used by the Nv library. |
| 45 | |
| 46 | \note The SDK state should not be modified from within any allocation/free function. |
| 47 | |
| 48 | <b>Threading:</b> All methods of this class should be thread safe as it can be called from the user thread |
| 49 | or the physics processing thread(s). |
| 50 | */ |
| 51 | |
| 52 | class PxAllocatorCallback |
| 53 | { |
| 54 | public: |
| 55 | /** |
| 56 | \brief destructor |
| 57 | */ |
| 58 | virtual ~PxAllocatorCallback() |
| 59 | { |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | \brief Allocates size bytes of memory, which must be 16-byte aligned. |
| 64 | |
| 65 | This method should never return NULL. If you run out of memory, then |
| 66 | you should terminate the app or take some other appropriate action. |
| 67 | |
| 68 | <b>Threading:</b> This function should be thread safe as it can be called in the context of the user thread |
| 69 | and physics processing thread(s). |
| 70 | |
| 71 | \param size Number of bytes to allocate. |
| 72 | \param typeName Name of the datatype that is being allocated |
| 73 | \param filename The source file which allocated the memory |
| 74 | \param line The source line which allocated the memory |
| 75 | \return The allocated block of memory. |
| 76 | */ |
| 77 | virtual void* allocate(size_t size, const char* typeName, const char* filename, int line) = 0; |
| 78 | |
| 79 | /** |
| 80 | \brief Frees memory previously allocated by allocate(). |
| 81 | |
| 82 | <b>Threading:</b> This function should be thread safe as it can be called in the context of the user thread |
| 83 | and physics processing thread(s). |
| 84 | |
| 85 | \param ptr Memory to free. |
| 86 | */ |
| 87 | virtual void deallocate(void* ptr) = 0; |
| 88 | }; |
| 89 | |
| 90 | #if !PX_DOXYGEN |
| 91 | } // namespace physx |
| 92 | #endif |
| 93 | |
| 94 | /** @} */ |
| 95 | #endif // #ifndef PXFOUNDATION_PXALLOCATORCALLBACK_H |
| 96 | |