| 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 | |
| 31 | #ifndef PX_PHYSICS_NX_SCENELOCK |
| 32 | #define PX_PHYSICS_NX_SCENELOCK |
| 33 | /** \addtogroup physics |
| 34 | @{ |
| 35 | */ |
| 36 | |
| 37 | #include "PxPhysXConfig.h" |
| 38 | #include "PxScene.h" |
| 39 | |
| 40 | #if !PX_DOXYGEN |
| 41 | namespace physx |
| 42 | { |
| 43 | #endif |
| 44 | |
| 45 | /** |
| 46 | \brief RAII wrapper for the PxScene read lock. |
| 47 | |
| 48 | Use this class as follows to lock the scene for reading by the current thread |
| 49 | for the duration of the enclosing scope: |
| 50 | |
| 51 | PxSceneReadLock lock(sceneRef); |
| 52 | |
| 53 | \see PxScene::lockRead(), PxScene::unlockRead(), PxSceneFlag::eREQUIRE_RW_LOCK |
| 54 | */ |
| 55 | class PxSceneReadLock |
| 56 | { |
| 57 | PxSceneReadLock(const PxSceneReadLock&); |
| 58 | PxSceneReadLock& operator=(const PxSceneReadLock&); |
| 59 | |
| 60 | public: |
| 61 | |
| 62 | /** |
| 63 | \brief Constructor |
| 64 | \param scene The scene to lock for reading |
| 65 | \param file Optional string for debugging purposes |
| 66 | \param line Optional line number for debugging purposes |
| 67 | */ |
| 68 | PxSceneReadLock(PxScene& scene, const char* file=NULL, PxU32 line=0) |
| 69 | : mScene(scene) |
| 70 | { |
| 71 | mScene.lockRead(file, line); |
| 72 | } |
| 73 | |
| 74 | ~PxSceneReadLock() |
| 75 | { |
| 76 | mScene.unlockRead(); |
| 77 | } |
| 78 | |
| 79 | private: |
| 80 | |
| 81 | PxScene& mScene; |
| 82 | }; |
| 83 | |
| 84 | /** |
| 85 | \brief RAII wrapper for the PxScene write lock. |
| 86 | |
| 87 | Use this class as follows to lock the scene for writing by the current thread |
| 88 | for the duration of the enclosing scope: |
| 89 | |
| 90 | PxSceneWriteLock lock(sceneRef); |
| 91 | |
| 92 | \see PxScene::lockWrite(), PxScene::unlockWrite(), PxSceneFlag::eREQUIRE_RW_LOCK |
| 93 | */ |
| 94 | class PxSceneWriteLock |
| 95 | { |
| 96 | PxSceneWriteLock(const PxSceneWriteLock&); |
| 97 | PxSceneWriteLock& operator=(const PxSceneWriteLock&); |
| 98 | |
| 99 | public: |
| 100 | |
| 101 | /** |
| 102 | \brief Constructor |
| 103 | \param scene The scene to lock for writing |
| 104 | \param file Optional string for debugging purposes |
| 105 | \param line Optional line number for debugging purposes |
| 106 | */ |
| 107 | PxSceneWriteLock(PxScene& scene, const char* file=NULL, PxU32 line=0) |
| 108 | : mScene(scene) |
| 109 | { |
| 110 | mScene.lockWrite(file, line); |
| 111 | } |
| 112 | |
| 113 | ~PxSceneWriteLock() |
| 114 | { |
| 115 | mScene.unlockWrite(); |
| 116 | } |
| 117 | |
| 118 | private: |
| 119 | |
| 120 | PxScene& mScene; |
| 121 | }; |
| 122 | |
| 123 | |
| 124 | #if !PX_DOXYGEN |
| 125 | } // namespace physx |
| 126 | #endif |
| 127 | |
| 128 | /** @} */ |
| 129 | #endif |
| 130 | |