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<div class="title">PxDefaultAllocator.h</div> </div>
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<a href="PxDefaultAllocator_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Redistribution and use in source and binary forms, with or without</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// modification, are permitted provided that the following conditions</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// are met:</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// * Redistributions of source code must retain the above copyright</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// notice, this list of conditions and the following disclaimer.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// * Redistributions in binary form must reproduce the above copyright</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// notice, this list of conditions and the following disclaimer in the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// documentation and/or other materials provided with the distribution.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// * Neither the name of NVIDIA CORPORATION nor the names of its</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// contributors may be used to endorse or promote products derived</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// from this software without specific prior written permission.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS &#39;&#39;AS IS&#39;&#39; AND ANY</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment">// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment">// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment">// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment">// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment">// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment">// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment">// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment">// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#ifndef PX_DEFAULT_ALLOCATOR_H</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#define PX_DEFAULT_ALLOCATOR_H</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="PxAllocatorCallback_8h.html">foundation/PxAllocatorCallback.h</a>&quot;</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="PxAssert_8h.html">foundation/PxAssert.h</a>&quot;</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="PxPhysXCommonConfig_8h.html">common/PxPhysXCommonConfig.h</a>&quot;</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="preprocessor">#if PX_WINDOWS_FAMILY || PX_LINUX_FAMILY || PX_SWITCH</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor">#include &lt;malloc.h&gt;</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="preprocessor">#if !PX_DOXYGEN</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacephysx.html">physx</a></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;{</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="preprocessor">#if PX_WINDOWS_FAMILY</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment">// on win32 we only have 8-byte alignment guaranteed, but the CRT provides special aligned allocation fns</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<a class="code" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> <span class="keywordtype">void</span>* <a class="code" href="group__extensions.html#gad874c3dcee0d1f3ec91e1880a1f09582">platformAlignedAlloc</a>(<span class="keywordtype">size_t</span> size)</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;{</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">return</span> _aligned_malloc(size, 16);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;}</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<a class="code" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> <span class="keywordtype">void</span> <a class="code" href="group__extensions.html#gaea2576f54650c42280d79ce79ea1979a">platformAlignedFree</a>(<span class="keywordtype">void</span>* ptr)</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;{</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; _aligned_free(ptr);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;}</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="preprocessor">#elif PX_LINUX_FAMILY || PX_SWITCH</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<a class="code" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> <span class="keywordtype">void</span>* <a class="code" href="group__extensions.html#gad874c3dcee0d1f3ec91e1880a1f09582">platformAlignedAlloc</a>(<span class="keywordtype">size_t</span> size)</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;{</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; return ::memalign(16, size);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;}</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<a class="code" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> <span class="keywordtype">void</span> <a class="code" href="group__extensions.html#gaea2576f54650c42280d79ce79ea1979a">platformAlignedFree</a>(<span class="keywordtype">void</span>* ptr)</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;{</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; ::free(ptr);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;}</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="comment">// on all other platforms we get 16-byte alignment by default</span></div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="group__extensions.html#gad874c3dcee0d1f3ec91e1880a1f09582"> 75</a></span>&#160;<a class="code" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> <span class="keywordtype">void</span>* <a class="code" href="group__extensions.html#gad874c3dcee0d1f3ec91e1880a1f09582">platformAlignedAlloc</a>(<span class="keywordtype">size_t</span> size)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;{</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; return ::malloc(size);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;}</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="group__extensions.html#gaea2576f54650c42280d79ce79ea1979a"> 80</a></span>&#160;<a class="code" href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a> <span class="keywordtype">void</span> <a class="code" href="group__extensions.html#gaea2576f54650c42280d79ce79ea1979a">platformAlignedFree</a>(<span class="keywordtype">void</span>* ptr)</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;{</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; ::free(ptr);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;}</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classPxDefaultAllocator.html"> 89</a></span>&#160;<span class="keyword">class </span><a class="code" href="classPxDefaultAllocator.html">PxDefaultAllocator</a> : <span class="keyword">public</span> <a class="code" href="classPxAllocatorCallback.html">PxAllocatorCallback</a></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;{</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classPxDefaultAllocator.html#acaee20fa98b003bde01d690cbccc2c33"> 92</a></span>&#160; <span class="keywordtype">void</span>* <a class="code" href="classPxDefaultAllocator.html#acaee20fa98b003bde01d690cbccc2c33">allocate</a>(<span class="keywordtype">size_t</span> size, <span class="keyword">const</span> <span class="keywordtype">char</span>*, <span class="keyword">const</span> <span class="keywordtype">char</span>*, <span class="keywordtype">int</span>)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordtype">void</span>* ptr = <a class="code" href="group__extensions.html#gad874c3dcee0d1f3ec91e1880a1f09582">platformAlignedAlloc</a>(size);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <a class="code" href="group__foundation.html#ga4a83a657390b324a460f14684e5accee">PX_ASSERT</a>((reinterpret_cast&lt;size_t&gt;(ptr) &amp; 15)==0);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordflow">return</span> ptr;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;</div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classPxDefaultAllocator.html#a73221f0158b7740403cd922dca5408fd"> 99</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classPxDefaultAllocator.html#a73221f0158b7740403cd922dca5408fd">deallocate</a>(<span class="keywordtype">void</span>* ptr)</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <a class="code" href="group__extensions.html#gaea2576f54650c42280d79ce79ea1979a">platformAlignedFree</a>(ptr);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;};</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="preprocessor">#if !PX_DOXYGEN</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;} <span class="comment">// namespace physx</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="namespacephysx_html"><div class="ttname"><a href="namespacephysx.html">physx</a></div><div class="ttdef"><b>Definition:</b> GuContactBuffer.h:37</div></div>
<div class="ttc" id="PxPhysXCommonConfig_8h_html"><div class="ttname"><a href="PxPhysXCommonConfig_8h.html">PxPhysXCommonConfig.h</a></div></div>
<div class="ttc" id="group__foundation_html_ga6a774eed3cad34b0f636332a3d28c6bb"><div class="ttname"><a href="group__foundation.html#ga6a774eed3cad34b0f636332a3d28c6bb">PX_FORCE_INLINE</a></div><div class="ttdeci">#define PX_FORCE_INLINE</div><div class="ttdef"><b>Definition:</b> PxPreprocessor.h:351</div></div>
<div class="ttc" id="classPxDefaultAllocator_html_a73221f0158b7740403cd922dca5408fd"><div class="ttname"><a href="classPxDefaultAllocator.html#a73221f0158b7740403cd922dca5408fd">PxDefaultAllocator::deallocate</a></div><div class="ttdeci">void deallocate(void *ptr)</div><div class="ttdoc">Frees memory previously allocated by allocate(). </div><div class="ttdef"><b>Definition:</b> PxDefaultAllocator.h:99</div></div>
<div class="ttc" id="PxAssert_8h_html"><div class="ttname"><a href="PxAssert_8h.html">PxAssert.h</a></div></div>
<div class="ttc" id="PxAllocatorCallback_8h_html"><div class="ttname"><a href="PxAllocatorCallback_8h.html">PxAllocatorCallback.h</a></div></div>
<div class="ttc" id="group__extensions_html_gad874c3dcee0d1f3ec91e1880a1f09582"><div class="ttname"><a href="group__extensions.html#gad874c3dcee0d1f3ec91e1880a1f09582">platformAlignedAlloc</a></div><div class="ttdeci">PX_FORCE_INLINE void * platformAlignedAlloc(size_t size)</div><div class="ttdef"><b>Definition:</b> PxDefaultAllocator.h:75</div></div>
<div class="ttc" id="classPxAllocatorCallback_html"><div class="ttname"><a href="classPxAllocatorCallback.html">PxAllocatorCallback</a></div><div class="ttdoc">Abstract base class for an application defined memory allocator that can be used by the Nv library...</div><div class="ttdef"><b>Definition:</b> PxAllocatorCallback.h:52</div></div>
<div class="ttc" id="group__foundation_html_ga4a83a657390b324a460f14684e5accee"><div class="ttname"><a href="group__foundation.html#ga4a83a657390b324a460f14684e5accee">PX_ASSERT</a></div><div class="ttdeci">#define PX_ASSERT(exp)</div><div class="ttdef"><b>Definition:</b> PxAssert.h:59</div></div>
<div class="ttc" id="group__extensions_html_gaea2576f54650c42280d79ce79ea1979a"><div class="ttname"><a href="group__extensions.html#gaea2576f54650c42280d79ce79ea1979a">platformAlignedFree</a></div><div class="ttdeci">PX_FORCE_INLINE void platformAlignedFree(void *ptr)</div><div class="ttdef"><b>Definition:</b> PxDefaultAllocator.h:80</div></div>
<div class="ttc" id="classPxDefaultAllocator_html"><div class="ttname"><a href="classPxDefaultAllocator.html">PxDefaultAllocator</a></div><div class="ttdoc">default implementation of the allocator interface required by the SDK </div><div class="ttdef"><b>Definition:</b> PxDefaultAllocator.h:89</div></div>
<div class="ttc" id="classPxDefaultAllocator_html_acaee20fa98b003bde01d690cbccc2c33"><div class="ttname"><a href="classPxDefaultAllocator.html#acaee20fa98b003bde01d690cbccc2c33">PxDefaultAllocator::allocate</a></div><div class="ttdeci">void * allocate(size_t size, const char *, const char *, int)</div><div class="ttdoc">Allocates size bytes of memory, which must be 16-byte aligned. </div><div class="ttdef"><b>Definition:</b> PxDefaultAllocator.h:92</div></div>
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