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<title>NVIDIA(R) PhysX(R) SDK 3.4 API Reference: PxCudaContextManager.h Source File</title>
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<h1>PxCudaContextManager.h</h1><a href="PxCudaContextManager_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
<a name="l00002"></a>00002 <span class="comment">// Redistribution and use in source and binary forms, with or without</span>
<a name="l00003"></a>00003 <span class="comment">// modification, are permitted provided that the following conditions</span>
<a name="l00004"></a>00004 <span class="comment">// are met:</span>
<a name="l00005"></a>00005 <span class="comment">// * Redistributions of source code must retain the above copyright</span>
<a name="l00006"></a>00006 <span class="comment">// notice, this list of conditions and the following disclaimer.</span>
<a name="l00007"></a>00007 <span class="comment">// * Redistributions in binary form must reproduce the above copyright</span>
<a name="l00008"></a>00008 <span class="comment">// notice, this list of conditions and the following disclaimer in the</span>
<a name="l00009"></a>00009 <span class="comment">// documentation and/or other materials provided with the distribution.</span>
<a name="l00010"></a>00010 <span class="comment">// * Neither the name of NVIDIA CORPORATION nor the names of its</span>
<a name="l00011"></a>00011 <span class="comment">// contributors may be used to endorse or promote products derived</span>
<a name="l00012"></a>00012 <span class="comment">// from this software without specific prior written permission.</span>
<a name="l00013"></a>00013 <span class="comment">//</span>
<a name="l00014"></a>00014 <span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY</span>
<a name="l00015"></a>00015 <span class="comment">// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
<a name="l00016"></a>00016 <span class="comment">// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span>
<a name="l00017"></a>00017 <span class="comment">// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR</span>
<a name="l00018"></a>00018 <span class="comment">// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span>
<a name="l00019"></a>00019 <span class="comment">// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,</span>
<a name="l00020"></a>00020 <span class="comment">// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR</span>
<a name="l00021"></a>00021 <span class="comment">// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY</span>
<a name="l00022"></a>00022 <span class="comment">// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00023"></a>00023 <span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00024"></a>00024 <span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#ifndef PXCUDACONTEXTMANAGER_PXCUDACONTEXTMANAGER_H</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define PXCUDACONTEXTMANAGER_PXCUDACONTEXTMANAGER_H</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="PxPreprocessor_8h.html">foundation/PxPreprocessor.h</a>"</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor">#if PX_SUPPORT_GPU_PHYSX</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="PxSimpleTypes_8h.html">foundation/PxSimpleTypes.h</a>"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="PxErrorCallback_8h.html">foundation/PxErrorCallback.h</a>"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="PxFlags_8h.html">foundation/PxFlags.h</a>"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="PxTaskDefine_8h.html">task/PxTaskDefine.h</a>"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "<a class="code" href="PxCudaMemoryManager_8h.html">cudamanager/PxCudaMemoryManager.h</a>"</span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">/* Forward decl to avoid inclusion of cuda.h */</span>
<a name="l00043"></a>00043 <span class="keyword">typedef</span> <span class="keyword">struct </span>CUctx_st *CUcontext;
<a name="l00044"></a>00044 <span class="keyword">typedef</span> <span class="keyword">struct </span>CUgraphicsResource_st *CUgraphicsResource;
<a name="l00045"></a>00045 <span class="keyword">typedef</span> <span class="keywordtype">int</span> CUdevice;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">namespace </span>physx
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keyword">class </span>PxGpuDispatcher;
<a name="l00051"></a>00051
<a name="l00052"></a>00052
<a name="l00054"></a>00054 <span class="keyword">struct </span>PxCudaInteropMode
<a name="l00055"></a>00055 {
<a name="l00059"></a>00059 <span class="keyword">enum</span> Enum
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 NO_INTEROP = 0,
<a name="l00062"></a>00062 D3D10_INTEROP,
<a name="l00063"></a>00063 D3D11_INTEROP,
<a name="l00064"></a>00064 OGL_INTEROP,
<a name="l00065"></a>00065
<a name="l00066"></a>00066 COUNT
<a name="l00067"></a>00067 };
<a name="l00068"></a>00068 };
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keyword">struct </span>PxCudaInteropRegisterFlag
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 <span class="keyword">enum</span> Enum
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 eNONE = 0x00,
<a name="l00075"></a>00075 eREAD_ONLY = 0x01,
<a name="l00076"></a>00076 eWRITE_DISCARD = 0x02,
<a name="l00077"></a>00077 eSURFACE_LDST = 0x04,
<a name="l00078"></a>00078 eTEXTURE_GATHER = 0x08
<a name="l00079"></a>00079 };
<a name="l00080"></a>00080 };
<a name="l00081"></a>00081
<a name="l00087"></a>00087 <span class="keyword">typedef</span> <a class="code" href="classPxFlags.html" title="Container for bitfield flag variables associated with a specific enum type.">PxFlags<PxCudaInteropRegisterFlag::Enum, uint32_t></a> PxCudaInteropRegisterFlags;
<a name="l00088"></a>00088 <a class="code" href="group__foundation.html#g092f922a63fdc7a95ae4f4e24b3768c1">PX_FLAGS_OPERATORS</a>(PxCudaInteropRegisterFlag::Enum, uint32_t)
<a name="l00089"></a>00089
<a name="l00090"></a>00090
<a name="l00091"></a>00091 class PxCudaContextManagerDesc
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keyword">public</span>:
<a name="l00115"></a>00115 CUcontext *ctx;
<a name="l00116"></a>00116
<a name="l00124"></a>00124 <span class="keywordtype">void</span> *graphicsDevice;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="preprocessor">#if PX_SUPPORT_GPU_PHYSX</span>
<a name="l00127"></a>00127 <span class="preprocessor"></span>
<a name="l00134"></a>00134 <span class="keyword">const</span> <span class="keywordtype">char</span>* appGUID;
<a name="l00135"></a>00135 <span class="preprocessor">#endif</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span>
<a name="l00143"></a>00143 PxCudaInteropMode::Enum interopMode;
<a name="l00144"></a>00144
<a name="l00145"></a>00145
<a name="l00161"></a>00161 uint32_t memoryBaseSize[PxCudaBufferMemorySpace::COUNT];
<a name="l00162"></a>00162
<a name="l00172"></a>00172 uint32_t memoryPageSize[PxCudaBufferMemorySpace::COUNT];
<a name="l00173"></a>00173
<a name="l00180"></a>00180 uint32_t maxMemorySize[PxCudaBufferMemorySpace::COUNT];
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <a class="code" href="group__foundation.html#gcb03347b642a2a5bdea1f9b305a6fbec">PX_INLINE</a> PxCudaContextManagerDesc()
<a name="l00183"></a>00183 {
<a name="l00184"></a>00184 ctx = NULL;
<a name="l00185"></a>00185 interopMode = PxCudaInteropMode::NO_INTEROP;
<a name="l00186"></a>00186 graphicsDevice = 0;
<a name="l00187"></a>00187 <span class="preprocessor">#if PX_SUPPORT_GPU_PHYSX</span>
<a name="l00188"></a>00188 <span class="preprocessor"></span> appGUID = NULL;
<a name="l00189"></a>00189 <span class="preprocessor">#endif</span>
<a name="l00190"></a>00190 <span class="preprocessor"></span> <span class="keywordflow">for</span>(uint32_t i = 0; i < PxCudaBufferMemorySpace::COUNT; i++)
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192 memoryBaseSize[i] = 0;
<a name="l00193"></a>00193 memoryPageSize[i] = 2 * 1024*1024;
<a name="l00194"></a>00194 maxMemorySize[i] = UINT32_MAX;
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 };
<a name="l00198"></a>00198
<a name="l00199"></a>00199
<a name="l00217"></a>00217 <span class="keyword">class </span>PxCudaContextManager
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 <span class="keyword">public</span>:
<a name="l00235"></a>00235 <span class="keyword">virtual</span> <span class="keywordtype">void</span> acquireContext() = 0;
<a name="l00236"></a>00236
<a name="l00244"></a>00244 <span class="keyword">virtual</span> <span class="keywordtype">void</span> releaseContext() = 0;
<a name="l00245"></a>00245
<a name="l00249"></a>00249 <span class="keyword">virtual</span> CUcontext getContext() = 0;
<a name="l00250"></a>00250
<a name="l00257"></a>00257 <span class="keyword">virtual</span> PxCudaMemoryManager *getMemoryManager() = 0;
<a name="l00258"></a>00258
<a name="l00263"></a>00263 <span class="keyword">virtual</span> <span class="keyword">class </span><a class="code" href="classphysx_1_1PxGpuDispatcher.html" title="A GpuTask dispatcher.">physx::PxGpuDispatcher</a> *getGpuDispatcher() = 0;
<a name="l00264"></a>00264
<a name="l00274"></a>00274 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> contextIsValid() <span class="keyword">const</span> = 0;
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="comment">/* Query CUDA context and device properties, without acquiring context */</span>
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM10() <span class="keyword">const</span> = 0;
<a name="l00279"></a>00279 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM11() <span class="keyword">const</span> = 0;
<a name="l00280"></a>00280 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM12() <span class="keyword">const</span> = 0;
<a name="l00281"></a>00281 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM13() <span class="keyword">const</span> = 0;
<a name="l00282"></a>00282 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM20() <span class="keyword">const</span> = 0;
<a name="l00283"></a>00283 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM30() <span class="keyword">const</span> = 0;
<a name="l00284"></a>00284 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM35() <span class="keyword">const</span> = 0;
<a name="l00285"></a>00285 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM50() <span class="keyword">const</span> = 0;
<a name="l00286"></a>00286 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM52() <span class="keyword">const</span> = 0;
<a name="l00287"></a>00287 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> supportsArchSM60() <span class="keyword">const</span> = 0;
<a name="l00288"></a>00288 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isIntegrated() <span class="keyword">const</span> = 0;
<a name="l00289"></a>00289 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> canMapHostMemory() <span class="keyword">const</span> = 0;
<a name="l00290"></a>00290 <span class="keyword">virtual</span> <span class="keywordtype">int</span> getDriverVersion() <span class="keyword">const</span> = 0;
<a name="l00291"></a>00291 <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> getDeviceTotalMemBytes() <span class="keyword">const</span> = 0;
<a name="l00292"></a>00292 <span class="keyword">virtual</span> <span class="keywordtype">int</span> getMultiprocessorCount() <span class="keyword">const</span> = 0;
<a name="l00293"></a>00293 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getClockRate() <span class="keyword">const</span> = 0;
<a name="l00294"></a>00294 <span class="keyword">virtual</span> <span class="keywordtype">int</span> getSharedMemPerBlock() <span class="keyword">const</span> = 0;
<a name="l00295"></a>00295 <span class="keyword">virtual</span> <span class="keywordtype">int</span> getSharedMemPerMultiprocessor() <span class="keyword">const</span> = 0;
<a name="l00296"></a>00296 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getMaxThreadsPerBlock() <span class="keyword">const</span> = 0;
<a name="l00297"></a>00297 <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *getDeviceName() <span class="keyword">const</span> = 0;
<a name="l00298"></a>00298 <span class="keyword">virtual</span> CUdevice getDevice() <span class="keyword">const</span> = 0;
<a name="l00299"></a>00299 <span class="keyword">virtual</span> PxCudaInteropMode::Enum getInteropMode() <span class="keyword">const</span> = 0;
<a name="l00300"></a>00300
<a name="l00301"></a>00301 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setUsingConcurrentStreams(<span class="keywordtype">bool</span>) = 0;
<a name="l00302"></a>00302 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> getUsingConcurrentStreams() <span class="keyword">const</span> = 0;
<a name="l00303"></a>00303 <span class="comment">/* End query methods that don't require context to be acquired */</span>
<a name="l00304"></a>00304
<a name="l00325"></a>00325 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> registerResourceInCudaGL(CUgraphicsResource &resource, uint32_t buffer, PxCudaInteropRegisterFlags flags = PxCudaInteropRegisterFlags()) = 0;
<a name="l00326"></a>00326
<a name="l00347"></a>00347 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> registerResourceInCudaD3D(CUgraphicsResource &resource, <span class="keywordtype">void</span> *resourcePointer, PxCudaInteropRegisterFlags flags = PxCudaInteropRegisterFlags()) = 0;
<a name="l00348"></a>00348
<a name="l00356"></a>00356 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> unregisterResourceInCuda(CUgraphicsResource resource) = 0;
<a name="l00357"></a>00357
<a name="l00365"></a>00365 <span class="keyword">virtual</span> <span class="keywordtype">int</span> usingDedicatedGPU() <span class="keyword">const</span> = 0;
<a name="l00366"></a>00366
<a name="l00382"></a>00382 <span class="keyword">virtual</span> <span class="keywordtype">void</span> release() = 0;
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="keyword">protected</span>:
<a name="l00385"></a>00385
<a name="l00389"></a>00389 <span class="keyword">virtual</span> ~PxCudaContextManager() {}
<a name="l00390"></a>00390 };
<a name="l00391"></a>00391
<a name="l00395"></a>00395 <span class="keyword">class </span>PxScopedCudaLock
<a name="l00396"></a>00396 {
<a name="l00397"></a>00397 <span class="keyword">public</span>:
<a name="l00401"></a>00401 PxScopedCudaLock(PxCudaContextManager& ctx) : mCtx(&ctx)
<a name="l00402"></a>00402 {
<a name="l00403"></a>00403 mCtx->acquireContext();
<a name="l00404"></a>00404 }
<a name="l00405"></a>00405
<a name="l00409"></a>00409 ~PxScopedCudaLock()
<a name="l00410"></a>00410 {
<a name="l00411"></a>00411 mCtx->releaseContext();
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413
<a name="l00414"></a>00414 <span class="keyword">protected</span>:
<a name="l00415"></a>00415
<a name="l00419"></a>00419 PxCudaContextManager* mCtx;
<a name="l00420"></a>00420 };
<a name="l00421"></a>00421
<a name="l00422"></a>00422 } <span class="comment">// end physx namespace</span>
<a name="l00423"></a>00423
<a name="l00424"></a>00424 <span class="preprocessor">#endif // PX_SUPPORT_GPU_PHYSX</span>
<a name="l00425"></a>00425 <span class="preprocessor"></span><span class="preprocessor">#endif // PXCUDACONTEXTMANAGER_PXCUDACONTEXTMANAGER_H</span>
</pre></div></div>
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