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,
00014 // MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
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 #ifndef PX_GPU_COPY_DESC_H
00029 #define PX_GPU_COPY_DESC_H
00030 
00031 #include "foundation/Px.h"
00032 
00038 #ifndef PX_DOXYGEN
00039 namespace physx
00040 {
00041 #endif
00042 
00043 namespace pxtask
00044 {
00045 
00046 PX_PUSH_PACK_DEFAULT
00047 
00055 struct GpuCopyDesc
00056 {
00060     enum CopyType
00061     {
00062         HostToDevice,
00063         DeviceToHost,
00064         DeviceToDevice,
00065         DeviceMemset32,
00066     };
00067 
00068     size_t      dest;   
00069     size_t      source; 
00070     size_t      bytes;  
00071     CopyType    type;   
00072 
00077     PX_INLINE bool isValid()
00078     {
00079         bool ok = true;
00080         ok &= ((dest & 0x3) == 0);
00081         ok &= ((type == DeviceMemset32) || (source & 0x3) == 0);
00082         ok &= ((bytes & 0x3) == 0);
00083         return ok;
00084     }
00085 };
00086 
00087 PX_POP_PACK
00088 
00089 } // end pxtask namespace
00090 
00091 #ifndef PX_DOXYGEN
00092 } // end physx namespace
00093 #endif
00094 
00095 #endif