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<h1>PxGpuCopyDescQueue.h</h1><a href="PxGpuCopyDescQueue_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// This code contains NVIDIA Confidential Information and is disclosed to you</span>
<a name="l00002"></a>00002 <span class="comment">// under a form of NVIDIA software license agreement provided separately to you.</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Notice</span>
<a name="l00005"></a>00005 <span class="comment">// NVIDIA Corporation and its licensors retain all intellectual property and</span>
<a name="l00006"></a>00006 <span class="comment">// proprietary rights in and to this software and related documentation and</span>
<a name="l00007"></a>00007 <span class="comment">// any modifications thereto. Any use, reproduction, disclosure, or</span>
<a name="l00008"></a>00008 <span class="comment">// distribution of this software and related documentation without an express</span>
<a name="l00009"></a>00009 <span class="comment">// license agreement from NVIDIA Corporation is strictly prohibited.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES</span>
<a name="l00012"></a>00012 <span class="comment">// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO</span>
<a name="l00013"></a>00013 <span class="comment">// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,</span>
<a name="l00014"></a>00014 <span class="comment">// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// Information and code furnished is believed to be accurate and reliable.</span>
<a name="l00017"></a>00017 <span class="comment">// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such</span>
<a name="l00018"></a>00018 <span class="comment">// information or for any infringement of patents or other rights of third parties that may</span>
<a name="l00019"></a>00019 <span class="comment">// result from its use. No license is granted by implication or otherwise under any patent</span>
<a name="l00020"></a>00020 <span class="comment">// or patent rights of NVIDIA Corporation. Details are subject to change without notice.</span>
<a name="l00021"></a>00021 <span class="comment">// This code supersedes and replaces all information previously supplied.</span>
<a name="l00022"></a>00022 <span class="comment">// NVIDIA Corporation products are not authorized for use as critical</span>
<a name="l00023"></a>00023 <span class="comment">// components in life support devices or systems without express written approval of</span>
<a name="l00024"></a>00024 <span class="comment">// NVIDIA Corporation.</span>
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">// Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved.</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#ifndef PXCUDACONTEXTMANAGER_PXGPUCOPYDESCQUEUE_H</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define PXCUDACONTEXTMANAGER_PXGPUCOPYDESCQUEUE_H</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="PxPreprocessor_8h.html">foundation/PxPreprocessor.h</a>"</span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#if PX_SUPPORT_GPU_PHYSX</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="PxAssert_8h.html">foundation/PxAssert.h</a>"</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="PxTaskDefine_8h.html">task/PxTaskDefine.h</a>"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="PxGpuDispatcher_8h.html">task/PxGpuDispatcher.h</a>"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="PxGpuCopyDesc_8h.html">cudamanager/PxGpuCopyDesc.h</a>"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="PxCudaContextManager_8h.html">cudamanager/PxCudaContextManager.h</a>"</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="comment">/* forward decl to avoid including <cuda.h> */</span>
<a name="l00042"></a>00042 <span class="keyword">typedef</span> <span class="keyword">struct </span>CUstream_st* <a class="code" href="PxGpuDispatcher_8h.html#b946c7f02e09efd788a204718015d88a">CUstream</a>;
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">namespace </span>physx
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <a class="code" href="group__foundation.html#g1145ffab2cc9a77ca65b59ba4126342f">PX_PUSH_PACK_DEFAULT</a>
<a name="l00048"></a>00048
<a name="l00050"></a>00050 <span class="keyword">class </span>PxGpuCopyDescQueue
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 <span class="keyword">public</span>:
<a name="l00054"></a>00054 PxGpuCopyDescQueue(PxGpuDispatcher& d)
<a name="l00055"></a>00055 : mDispatcher(d)
<a name="l00056"></a>00056 , mBuffer(0)
<a name="l00057"></a>00057 , mStream(0)
<a name="l00058"></a>00058 , mReserved(0)
<a name="l00059"></a>00059 , mOccupancy(0)
<a name="l00060"></a>00060 , mFlushed(0)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00065"></a>00065 ~PxGpuCopyDescQueue()
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="keywordflow">if</span> (mBuffer)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 mDispatcher.getCudaContextManager()->getMemoryManager()->free(PxCudaBufferMemorySpace::T_PINNED_HOST, (<span class="keywordtype">size_t</span>) mBuffer);
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00078"></a>00078 <span class="keywordtype">void</span> reset(<a class="code" href="PxGpuDispatcher_8h.html#b946c7f02e09efd788a204718015d88a">CUstream</a> stream, uint32_t reserveSize)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (reserveSize > mReserved)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 <span class="keywordflow">if</span> (mBuffer)
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 mDispatcher.getCudaContextManager()->getMemoryManager()->free(
<a name="l00085"></a>00085 PxCudaBufferMemorySpace::T_PINNED_HOST,
<a name="l00086"></a>00086 (<span class="keywordtype">size_t</span>) mBuffer);
<a name="l00087"></a>00087 mReserved = 0;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 mBuffer = (PxGpuCopyDesc*) mDispatcher.getCudaContextManager()->getMemoryManager()->alloc(
<a name="l00090"></a>00090 PxCudaBufferMemorySpace::T_PINNED_HOST,
<a name="l00091"></a>00091 reserveSize * <span class="keyword">sizeof</span>(PxGpuCopyDesc),
<a name="l00092"></a>00092 PX_ALLOC_INFO(<span class="stringliteral">"PxGpuCopyDescQueue"</span>, GPU_UTIL));
<a name="l00093"></a>00093 <span class="keywordflow">if</span> (mBuffer)
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 mReserved = reserveSize;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 mOccupancy = 0;
<a name="l00100"></a>00100 mFlushed = 0;
<a name="l00101"></a>00101 mStream = stream;
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00105"></a>00105 <span class="keywordtype">void</span> enqueue(PxGpuCopyDesc& desc)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107 <a class="code" href="group__foundation.html#g4a83a657390b324a460f14684e5accee">PX_ASSERT</a>(desc.isValid());
<a name="l00108"></a>00108 <span class="keywordflow">if</span> (desc.bytes == 0)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="keywordflow">return</span>;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (mOccupancy < mReserved)
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 mBuffer[ mOccupancy++ ] = desc;
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117 <span class="keywordflow">else</span>
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 mDispatcher.launchCopyKernel(&desc, 1, mStream);
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00124"></a>00124 <span class="keywordtype">void</span> flushEnqueued()
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (mOccupancy > mFlushed)
<a name="l00127"></a>00127 {
<a name="l00128"></a>00128 mDispatcher.launchCopyKernel(mBuffer + mFlushed, mOccupancy - mFlushed, mStream);
<a name="l00129"></a>00129 mFlushed = mOccupancy;
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keyword">private</span>:
<a name="l00134"></a>00134 PxGpuDispatcher& mDispatcher;
<a name="l00135"></a>00135 PxGpuCopyDesc* mBuffer;
<a name="l00136"></a>00136 <a class="code" href="PxGpuDispatcher_8h.html#b946c7f02e09efd788a204718015d88a">CUstream</a> mStream;
<a name="l00137"></a>00137 uint32_t mReserved;
<a name="l00138"></a>00138 uint32_t mOccupancy;
<a name="l00139"></a>00139 uint32_t mFlushed;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> PxGpuCopyDescQueue&); <span class="comment">// prevent a warning...</span>
<a name="l00142"></a>00142 };
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <a class="code" href="group__foundation.html#g9aad3b08e5e15565ff39638b753f4a92">PX_POP_PACK</a>
<a name="l00145"></a>00145
<a name="l00146"></a>00146 } <span class="comment">// end physx namespace</span>
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="preprocessor">#endif // PX_SUPPORT_GPU_PHYSX</span>
<a name="l00149"></a>00149 <span class="preprocessor"></span><span class="preprocessor">#endif // PXCUDACONTEXTMANAGER_PXGPUCOPYDESCQUEUE_H</span>
</pre></div></div>
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