CUresult cr = CUDA_SUCCESS;
CUDA_ARRAY3D_DESCRIPTOR desc3D;
desc3D.Format = CU_AD_FORMAT_SIGNED_INT16;
desc3D.Width = m_amVolHeader.width;
desc3D.Height = m_amVolHeader.height;
desc3D.Depth = m_amVolHeader.depth;
desc3D.NumChannels = 1;
desc3D.Flags = 0;
cr = cuArray3DCreate( &m_cuArray, &desc3D );
CUDA_MEMCPY3D mem3D;
memset( &mem3D, 0, sizeof(CUDA_MEMCPY3D) );
mem3D.dstMemoryType = CU_MEMORYTYPE_ARRAY;
mem3D.dstArray = m_cuArray;
mem3D.dstXInBytes = desc3D.Width * sizeof( int16_t );
mem3D.dstY = desc3D.Height;
mem3D.dstZ = desc3D.Depth;
mem3D.srcMemoryType = CU_MEMORYTYPE_HOST;
mem3D.srcHost = m_amVolData;
mem3D.srcPitch = desc3D.Width * desc3D.Depth * sizeof( int16_t );
mem3D.srcHeight = desc3D.Height;
mem3D.srcXInBytes = desc3D.Width * sizeof( int16_t );
mem3D.srcY = desc3D.Height;
mem3D.srcZ = desc3D.Depth;
cr = cuMemcpy3D( &mem3D );
CUDA_RESOURCE_DESC descRes;
descRes.resType = CU_RESOURCE_TYPE_ARRAY;
descRes.res.array.hArray = m_cuArray;
descRes.flags = 0;
CUDA_TEXTURE_DESC descTex;
descTex.addressMode[0] = CU_TR_ADDRESS_MODE_CLAMP;
descTex.addressMode[1] = CU_TR_ADDRESS_MODE_CLAMP;
descTex.addressMode[2] = CU_TR_ADDRESS_MODE_CLAMP;
descTex.filterMode = CU_TR_FILTER_MODE_LINEAR;
descTex.flags = CU_TRSF_READ_AS_INTEGER | CU_TRSF_NORMALIZED_COORDINATES;
descTex.maxAnisotropy = 1;
descTex.mipmapFilterMode = CU_TR_FILTER_MODE_LINEAR;
descTex.mipmapLevelBias = 0;
descTex.minMipmapLevelClamp = 0;
descTex.maxMipmapLevelClamp = 0;
CUDA_RESOURCE_VIEW_DESC descView;
descView.format = CU_RES_VIEW_FORMAT_SINT_1X16;
descView.width = desc3D.Width;
descView.height = desc3D.Height;
descView.depth = desc3D.Depth;
descView.firstMipmapLevel = 0;
descView.lastMipmapLevel = 0;
descView.firstLayer = 0;
descView.lastLayer = 0;
cr = cuTexObjectCreate( &m_cuTex, &descRes, &descTex, &descView );
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