| 1 | /* |
| 2 | * Copyright (c) 2008-2015, NVIDIA CORPORATION. All rights reserved. |
| 3 | * |
| 4 | * NVIDIA CORPORATION and its licensors retain all intellectual property |
| 5 | * and proprietary rights in and to this software, related documentation |
| 6 | * and any modifications thereto. Any use, reproduction, disclosure or |
| 7 | * distribution of this software and related documentation without an express |
| 8 | * license agreement from NVIDIA CORPORATION is strictly prohibited. |
| 9 | */ |
| 10 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. |
| 11 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. |
| 12 | |
| 13 | |
| 14 | #ifndef PX_PHYSICS_NX_SCENELOCK |
| 15 | #define PX_PHYSICS_NX_SCENELOCK |
| 16 | /** \addtogroup physics |
| 17 | @{ |
| 18 | */ |
| 19 | |
| 20 | #include "PxPhysXConfig.h" |
| 21 | #include "PxScene.h" |
| 22 | |
| 23 | #ifndef PX_DOXYGEN |
| 24 | namespace physx |
| 25 | { |
| 26 | #endif |
| 27 | |
| 28 | /** |
| 29 | \brief RAII wrapper for the PxScene read lock. |
| 30 | |
| 31 | Use this class as follows to lock the scene for reading by the current thread |
| 32 | for the duration of the enclosing scope: |
| 33 | |
| 34 | PxSceneReadLock lock(sceneRef); |
| 35 | |
| 36 | \see PxScene::lockRead(), PxScene::unlockRead(), PxSceneFlag::eREQUIRE_RW_LOCK |
| 37 | */ |
| 38 | class PxSceneReadLock |
| 39 | { |
| 40 | PxSceneReadLock(const PxSceneReadLock&); |
| 41 | PxSceneReadLock& operator=(const PxSceneReadLock&); |
| 42 | |
| 43 | public: |
| 44 | |
| 45 | /** |
| 46 | \brief Constructor |
| 47 | \param scene The scene to lock for reading |
| 48 | \param file Optional string for debugging purposes |
| 49 | \param line Optional line number for debugging purposes |
| 50 | */ |
| 51 | PxSceneReadLock(PxScene& scene, const char* file=NULL, PxU32 line=0) |
| 52 | : mScene(scene) |
| 53 | { |
| 54 | mScene.lockRead(file, line); |
| 55 | } |
| 56 | |
| 57 | ~PxSceneReadLock() |
| 58 | { |
| 59 | mScene.unlockRead(); |
| 60 | } |
| 61 | |
| 62 | private: |
| 63 | |
| 64 | PxScene& mScene; |
| 65 | }; |
| 66 | |
| 67 | /** |
| 68 | \brief RAII wrapper for the PxScene write lock. |
| 69 | |
| 70 | Use this class as follows to lock the scene for writing by the current thread |
| 71 | for the duration of the enclosing scope: |
| 72 | |
| 73 | PxSceneWriteLock lock(sceneRef); |
| 74 | |
| 75 | \see PxScene::lockWrite(), PxScene::unlockWrite(), PxSceneFlag::eREQUIRE_RW_LOCK |
| 76 | */ |
| 77 | class PxSceneWriteLock |
| 78 | { |
| 79 | PxSceneWriteLock(const PxSceneWriteLock&); |
| 80 | PxSceneWriteLock& operator=(const PxSceneWriteLock&); |
| 81 | |
| 82 | public: |
| 83 | |
| 84 | /** |
| 85 | \brief Constructor |
| 86 | \param scene The scene to lock for writing |
| 87 | \param file Optional string for debugging purposes |
| 88 | \param line Optional line number for debugging purposes |
| 89 | */ |
| 90 | PxSceneWriteLock(PxScene& scene, const char* file=NULL, PxU32 line=0) |
| 91 | : mScene(scene) |
| 92 | { |
| 93 | mScene.lockWrite(file, line); |
| 94 | } |
| 95 | |
| 96 | ~PxSceneWriteLock() |
| 97 | { |
| 98 | mScene.unlockWrite(); |
| 99 | } |
| 100 | |
| 101 | private: |
| 102 | |
| 103 | PxScene& mScene; |
| 104 | }; |
| 105 | |
| 106 | |
| 107 | #ifndef PX_DOXYGEN |
| 108 | } // namespace physx |
| 109 | #endif |
| 110 | |
| 111 | /** @} */ |
| 112 | #endif |
| 113 | |