1 | // |
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3 | // modification, are permitted provided that the following conditions |
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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 |
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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 PXC_CONSTRAINTBLOCKPOOL_H |
32 | #define PXC_CONSTRAINTBLOCKPOOL_H |
33 | |
34 | #include "PxvConfig.h" |
35 | #include "PsArray.h" |
36 | #include "PsMutex.h" |
37 | #include "PxcNpMemBlockPool.h" |
38 | |
39 | namespace physx |
40 | { |
41 | class PxsConstraintBlockManager |
42 | { |
43 | public: |
44 | PxsConstraintBlockManager(PxcNpMemBlockPool & blockPool): |
45 | mBlockPool(blockPool) |
46 | { |
47 | } |
48 | |
49 | PX_FORCE_INLINE void reset() |
50 | { |
51 | mBlockPool.releaseConstraintBlocks(memBlocks&: mTrackingArray); |
52 | } |
53 | |
54 | PxcNpMemBlockArray mTrackingArray; |
55 | PxcNpMemBlockPool& mBlockPool; |
56 | |
57 | private: |
58 | PxsConstraintBlockManager& operator=(const PxsConstraintBlockManager&); |
59 | }; |
60 | |
61 | class PxcConstraintBlockStream |
62 | { |
63 | PX_NOCOPY(PxcConstraintBlockStream) |
64 | public: |
65 | PxcConstraintBlockStream(PxcNpMemBlockPool & blockPool) : |
66 | mBlockPool (blockPool), |
67 | mBlock (NULL), |
68 | mUsed (0) |
69 | { |
70 | } |
71 | |
72 | PX_FORCE_INLINE PxU8* reserve(PxU32 size, PxsConstraintBlockManager& manager) |
73 | { |
74 | size = (size+15)&~15; |
75 | if(size>PxcNpMemBlock::SIZE) |
76 | return mBlockPool.acquireExceptionalConstraintMemory(size); |
77 | |
78 | if(mBlock == NULL || size+mUsed>PxcNpMemBlock::SIZE) |
79 | { |
80 | mBlock = mBlockPool.acquireConstraintBlock(memBlocks&: manager.mTrackingArray); |
81 | PX_ASSERT(0==mBlock || mBlock->data == reinterpret_cast<PxU8*>(mBlock)); |
82 | mUsed = size; |
83 | return reinterpret_cast<PxU8*>(mBlock); |
84 | } |
85 | PX_ASSERT(mBlock && mBlock->data == reinterpret_cast<PxU8*>(mBlock)); |
86 | PxU8* PX_RESTRICT result = mBlock->data+mUsed; |
87 | mUsed += size; |
88 | return result; |
89 | } |
90 | |
91 | PX_FORCE_INLINE void reset() |
92 | { |
93 | mBlock = NULL; |
94 | mUsed = 0; |
95 | } |
96 | |
97 | PX_FORCE_INLINE PxcNpMemBlockPool& getMemBlockPool() { return mBlockPool; } |
98 | |
99 | private: |
100 | PxcNpMemBlockPool& mBlockPool; |
101 | PxcNpMemBlock* mBlock; // current constraint block |
102 | PxU32 mUsed; // number of bytes used in constraint block |
103 | //Tracking peak allocations |
104 | PxU32 mPeakUsed; |
105 | }; |
106 | |
107 | class PxcContactBlockStream |
108 | { |
109 | PX_NOCOPY(PxcContactBlockStream) |
110 | public: |
111 | PxcContactBlockStream(PxcNpMemBlockPool & blockPool): |
112 | mBlockPool(blockPool), |
113 | mBlock(NULL), |
114 | mUsed(0) |
115 | { |
116 | } |
117 | |
118 | PX_FORCE_INLINE PxU8* reserve(PxU32 size) |
119 | { |
120 | size = (size+15)&~15; |
121 | |
122 | if(size>PxcNpMemBlock::SIZE) |
123 | return mBlockPool.acquireExceptionalConstraintMemory(size); |
124 | |
125 | PX_ASSERT(size <= PxcNpMemBlock::SIZE); |
126 | |
127 | if(mBlock == NULL || size+mUsed>PxcNpMemBlock::SIZE) |
128 | { |
129 | mBlock = mBlockPool.acquireContactBlock(); |
130 | PX_ASSERT(0==mBlock || mBlock->data == reinterpret_cast<PxU8*>(mBlock)); |
131 | mUsed = size; |
132 | return reinterpret_cast<PxU8*>(mBlock); |
133 | } |
134 | PX_ASSERT(mBlock && mBlock->data == reinterpret_cast<PxU8*>(mBlock)); |
135 | PxU8* PX_RESTRICT result = mBlock->data+mUsed; |
136 | mUsed += size; |
137 | return result; |
138 | } |
139 | |
140 | PX_FORCE_INLINE void reset() |
141 | { |
142 | mBlock = NULL; |
143 | mUsed = 0; |
144 | } |
145 | |
146 | PX_FORCE_INLINE PxcNpMemBlockPool& getMemBlockPool() { return mBlockPool; } |
147 | |
148 | private: |
149 | PxcNpMemBlockPool& mBlockPool; |
150 | PxcNpMemBlock* mBlock; // current constraint block |
151 | PxU32 mUsed; // number of bytes used in constraint block |
152 | }; |
153 | |
154 | } |
155 | |
156 | #endif |
157 | |