| 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 PXV_NPHASE_IMPLEMENTATION_CONTEXT_H |
| 32 | #define PXV_NPHASE_IMPLEMENTATION_CONTEXT_H |
| 33 | |
| 34 | #include "PxSceneDesc.h" |
| 35 | #include "PxsContactManagerState.h" |
| 36 | #include "PsArray.h" |
| 37 | |
| 38 | namespace physx |
| 39 | { |
| 40 | |
| 41 | namespace IG |
| 42 | { |
| 43 | class SimpleIslandManager; |
| 44 | class IslandSim; |
| 45 | typedef PxU32 EdgeIndex; |
| 46 | } |
| 47 | |
| 48 | namespace Dy |
| 49 | { |
| 50 | class Context; |
| 51 | } |
| 52 | |
| 53 | class PxBaseTask; |
| 54 | class PxsContext; |
| 55 | struct PxsShapeCore; |
| 56 | class PxsMaterialCore; |
| 57 | struct PxgDynamicsMemoryConfig; |
| 58 | class PxsContactManager; |
| 59 | struct PxsContactManagerOutput; |
| 60 | class PxsKernelWranglerManager; |
| 61 | class PxsHeapMemoryAllocatorManager; |
| 62 | |
| 63 | |
| 64 | struct PxsContactManagerBase |
| 65 | { |
| 66 | static const PxU32 NEW_CONTACT_MANAGER_MASK = 0x80000000; |
| 67 | static const PxU32 GPU_NP_OFFSET = 0x4; |
| 68 | |
| 69 | static const PxU32 MaxBucketBits = 3; |
| 70 | |
| 71 | const PxU32 mBucketId; |
| 72 | |
| 73 | PxsContactManagerBase(const PxU32 bucketId) : mBucketId(bucketId) |
| 74 | { |
| 75 | PX_ASSERT(bucketId < (1<<MaxBucketBits)); |
| 76 | } |
| 77 | |
| 78 | |
| 79 | PX_FORCE_INLINE PxU32 computeId(const PxU32 index) const { PX_ASSERT(index < PxU32(1 << (32 - (MaxBucketBits-1)))); return (index << MaxBucketBits) | (mBucketId); } |
| 80 | static PX_FORCE_INLINE PxU32 computeIndexFromId(const PxU32 id) { return id >> MaxBucketBits; } |
| 81 | static PX_FORCE_INLINE PxU32 computeBucketIndexFromId(const PxU32 id) { return id & ((1<<MaxBucketBits)-1); } |
| 82 | |
| 83 | private: |
| 84 | PX_NOCOPY(PxsContactManagerBase) |
| 85 | }; |
| 86 | |
| 87 | class PxsContactManagerOutputIterator |
| 88 | { |
| 89 | PxU32 mOffsets[1<<PxsContactManagerBase::MaxBucketBits]; |
| 90 | PxsContactManagerOutput* mOutputs; |
| 91 | |
| 92 | public: |
| 93 | |
| 94 | PxsContactManagerOutputIterator() : mOutputs(NULL) |
| 95 | { |
| 96 | } |
| 97 | |
| 98 | PxsContactManagerOutputIterator(PxU32* offsets, PxU32 nbOffsets, PxsContactManagerOutput* outputs) : mOutputs(outputs) |
| 99 | { |
| 100 | PX_ASSERT(nbOffsets <= (1<<PxsContactManagerBase::MaxBucketBits)); |
| 101 | |
| 102 | for(PxU32 a = 0; a < nbOffsets; ++a) |
| 103 | { |
| 104 | mOffsets[a] = offsets[a]; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | PX_FORCE_INLINE PxsContactManagerOutput& getContactManager(PxU32 id) |
| 109 | { |
| 110 | PX_ASSERT((id & PxsContactManagerBase::NEW_CONTACT_MANAGER_MASK) == 0); |
| 111 | PxU32 bucketId = PxsContactManagerBase::computeBucketIndexFromId(id); |
| 112 | PxU32 cmOutId = PxsContactManagerBase::computeIndexFromId(id); |
| 113 | return mOutputs[mOffsets[bucketId] + cmOutId]; |
| 114 | } |
| 115 | |
| 116 | PxU32 getIndex(PxU32 id) |
| 117 | { |
| 118 | PX_ASSERT((id & PxsContactManagerBase::NEW_CONTACT_MANAGER_MASK) == 0); |
| 119 | PxU32 bucketId = PxsContactManagerBase::computeBucketIndexFromId(id); |
| 120 | PxU32 cmOutId = PxsContactManagerBase::computeIndexFromId(id); |
| 121 | return mOffsets[bucketId] + cmOutId; |
| 122 | } |
| 123 | }; |
| 124 | |
| 125 | |
| 126 | class PxvNphaseImplementationContext |
| 127 | { |
| 128 | private: |
| 129 | PX_NOCOPY(PxvNphaseImplementationContext) |
| 130 | public: |
| 131 | |
| 132 | PxvNphaseImplementationContext(PxsContext& context): mContext(context) {} |
| 133 | virtual ~PxvNphaseImplementationContext() {} |
| 134 | virtual void destroy() = 0; |
| 135 | virtual void updateContactManager(PxReal dt, bool hasBoundsArrayChanged, bool hasContactDistanceChanged, PxBaseTask* continuation, PxBaseTask* firstPassContinuation) = 0; |
| 136 | virtual void postBroadPhaseUpdateContactManager() = 0; |
| 137 | virtual void secondPassUpdateContactManager(PxReal dt, PxBaseTask* continuation) = 0; |
| 138 | virtual void fetchUpdateContactManager() = 0; |
| 139 | |
| 140 | virtual void registerContactManager(PxsContactManager* cm, PxI32 touching, PxU32 patchCount) = 0; |
| 141 | virtual void registerContactManagers(PxsContactManager** cm, PxU32 nbContactManagers, PxU32 maxContactManagerId) = 0; |
| 142 | virtual void unregisterContactManager(PxsContactManager* cm) = 0; |
| 143 | virtual void refreshContactManager(PxsContactManager* cm) = 0; |
| 144 | |
| 145 | virtual void registerShape(const PxsShapeCore& shapeCore) = 0; |
| 146 | virtual void unregisterShape(const PxsShapeCore& shapeCore) = 0; |
| 147 | |
| 148 | virtual void registerMaterial(const PxsMaterialCore& materialCore) = 0; |
| 149 | virtual void updateMaterial(const PxsMaterialCore& materialCore) = 0; |
| 150 | virtual void unregisterMaterial(const PxsMaterialCore& materialCore) = 0; |
| 151 | |
| 152 | virtual void updateShapeMaterial(const PxsShapeCore& shapeCore) = 0; |
| 153 | |
| 154 | virtual PxsContactManagerOutput* getGPUContactManagerOutputBase() = 0; |
| 155 | |
| 156 | virtual void startNarrowPhaseTasks() = 0; |
| 157 | |
| 158 | virtual void appendContactManagers() = 0; |
| 159 | |
| 160 | virtual PxsContactManagerOutput& getNewContactManagerOutput(PxU32 index) = 0; |
| 161 | |
| 162 | virtual PxsContactManagerOutputIterator getContactManagerOutputs() = 0; |
| 163 | |
| 164 | virtual void setContactModifyCallback(PxContactModifyCallback* callback) = 0; |
| 165 | |
| 166 | virtual void acquireContext() = 0; |
| 167 | virtual void releaseContext() = 0; |
| 168 | virtual void preallocateNewBuffers(PxU32 nbNewPairs, PxU32 maxIndex) = 0; |
| 169 | |
| 170 | virtual void lock() = 0; |
| 171 | virtual void unlock() = 0; |
| 172 | |
| 173 | |
| 174 | |
| 175 | |
| 176 | protected: |
| 177 | |
| 178 | PxsContext& mContext; |
| 179 | }; |
| 180 | |
| 181 | class PxvNphaseImplementationFallback |
| 182 | { |
| 183 | private: |
| 184 | PX_NOCOPY(PxvNphaseImplementationFallback) |
| 185 | public: |
| 186 | |
| 187 | PxvNphaseImplementationFallback() {} |
| 188 | virtual ~PxvNphaseImplementationFallback() {} |
| 189 | virtual void processContactManager(PxReal dt, PxsContactManagerOutput* cmOutputs, PxBaseTask* continuation) = 0; |
| 190 | virtual void processContactManagerSecondPass(PxReal dt, PxBaseTask* continuation) = 0; |
| 191 | |
| 192 | virtual void registerContactManager(PxsContactManager* cm, PxI32 touching, PxU32 numPatches) = 0; |
| 193 | virtual void unregisterContactManagerFallback(PxsContactManager* cm, PxsContactManagerOutput* cmOutputs) = 0; |
| 194 | |
| 195 | virtual void refreshContactManagerFallback(PxsContactManager* cm, PxsContactManagerOutput* cmOutputs) = 0; |
| 196 | |
| 197 | virtual PxsContactManagerOutput& getNewContactManagerOutput(PxU32 npId) = 0; |
| 198 | |
| 199 | virtual void appendContactManagersFallback(PxsContactManagerOutput* outputs) = 0; |
| 200 | |
| 201 | virtual void setContactModifyCallback(PxContactModifyCallback* callback) = 0; |
| 202 | |
| 203 | virtual void removeContactManagersFallback(PxsContactManagerOutput* cmOutputs) = 0; |
| 204 | |
| 205 | virtual void lock() = 0; |
| 206 | virtual void unlock() = 0; |
| 207 | |
| 208 | }; |
| 209 | |
| 210 | class PxvNphaseImplementationContextUsableAsFallback: public PxvNphaseImplementationContext, public PxvNphaseImplementationFallback |
| 211 | { |
| 212 | private: |
| 213 | PX_NOCOPY(PxvNphaseImplementationContextUsableAsFallback) |
| 214 | public: |
| 215 | PxvNphaseImplementationContextUsableAsFallback(PxsContext& context): PxvNphaseImplementationContext(context) {} |
| 216 | virtual ~PxvNphaseImplementationContextUsableAsFallback() {} |
| 217 | }; |
| 218 | |
| 219 | PxvNphaseImplementationContextUsableAsFallback* createNphaseImplementationContext(PxsContext& context, IG::IslandSim* islandSim); |
| 220 | |
| 221 | } |
| 222 | |
| 223 | #endif |
| 224 | |