00001 // This code contains NVIDIA Confidential Information and is disclosed to you 
00002 // under a form of NVIDIA software license agreement provided separately to you.
00003 //
00004 // Notice
00005 // NVIDIA Corporation and its licensors retain all intellectual property and
00006 // proprietary rights in and to this software and related documentation and 
00007 // any modifications thereto. Any use, reproduction, disclosure, or 
00008 // distribution of this software and related documentation without an express 
00009 // license agreement from NVIDIA Corporation is strictly prohibited.
00010 // 
00011 // ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
00012 // NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
00013 // THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
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00015 //
00016 // Information and code furnished is believed to be accurate and reliable.
00017 // However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
00018 // information or for any infringement of patents or other rights of third parties that may
00019 // result from its use. No license is granted by implication or otherwise under any patent
00020 // or patent rights of NVIDIA Corporation. Details are subject to change without notice.
00021 // This code supersedes and replaces all information previously supplied.
00022 // NVIDIA Corporation products are not authorized for use as critical
00023 // components in life support devices or systems without express written approval of
00024 // NVIDIA Corporation.
00025 //
00026 // Copyright (c) 2008-2012 NVIDIA Corporation. All rights reserved.
00027 
00028 
00029 #ifndef PX_GPU_TASK_H
00030 #define PX_GPU_TASK_H
00031 
00032 #include "pxtask/PxTask.h"
00033 #include "pxtask/PxGpuDispatcher.h"
00034 
00035 #ifndef PX_DOXYGEN
00036 namespace physx
00037 {
00038 #endif
00039 
00040 namespace pxtask
00041 {
00042 
00043 PX_PUSH_PACK_DEFAULT
00044 
00055 struct GpuTaskHint
00056 {
00058     enum Enum
00059     {
00060         HostToDevice,
00061         Kernel,
00062         DeviceToHost,
00063 
00064         NUM_GPU_TASK_HINTS
00065     };
00066 };
00067 
00071 class GpuTask : public Task
00072 {
00073 public:
00074     GpuTask() : mComp(NULL) {}
00075 
00087     virtual bool    launchInstance(CUstream stream, int kernelIndex) = 0;
00088 
00092     virtual GpuTaskHint::Enum getTaskHint() const = 0;
00093 
00098     void setCompletionTask(BaseTask& task)
00099     {
00100         mComp = &task;
00101     }
00102 
00103     void release()
00104     {
00105         if (mComp)
00106         {
00107             mComp->removeReference();
00108             mComp = NULL;
00109         }
00110         Task::release();
00111     }
00112 
00113 protected:
00115     pxtask::BaseTask* mComp;
00116 };
00117 
00118 PX_POP_PACK
00119 
00120 } // end pxtask namespace
00121 
00122 #ifndef PX_DOXYGEN
00123 } // end physx namespace
00124 #endif
00125 
00126 #endif