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186 Module Documentation3.29.2 Function Documentation3.29.2.1 CUresult cuD3D10CtxCreate (CUcontext ∗ pCtx, CUdevice ∗ pCuDevice, unsigned int Flags,ID3D10Device ∗ pDxDevice)Creates a new CUDA context, enables interoperability for that context with the Direct3D device pDxDevice, and associatesthe created CUDA context with the calling thread. The CUcontext will be returned in ∗pCtx. If pCuDeviceis non-NULL, then the CUdevice on which this CUDA context was created will be returned in ∗pCuDevice. Forusage of the Flags parameter, see cuCtxCreate(). Direct3D resources from this device may be registered and mappedthrough the lifetime of this CUDA context.This context will function only until its Direct3D device is destroyed. On success, this call will increase the internalreference count on pDxDevice. This reference count will be decremented upon destruction of this context throughcuCtxDestroy().Parameters:pCtx - Returned newly created CUDA contextpCuDevice - Returned pointer to device on which context was createdFlags - Context creation flags (see cuCtxCreate() for details)pDxDevice - Direct3D device to create interoperability context withReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_VALUE, CUDA_ERROR_OUT_OF_MEMORY, CUDA_ERROR_UNKNOWNSee also:Note that this function may also return error codes from previous, asynchronous launches.cuD3D10GetDevice, cuD3D10MapResources, cuD3D10RegisterResource, cuD3D10ResourceGetMappedArray,cuD3D10ResourceGetMappedPitch, cuD3D10ResourceGetMappedPointer, cuD3D10ResourceGetMappedSize,cuD3D10ResourceGetSurfaceDimensions, cuD3D10ResourceSetMapFlags, cuD3D10UnmapResources,cuD3D10UnregisterResource3.29.2.2 CUresult cuD3D10GetDevice (CUdevice ∗ pDevice, IDXGIAdapter ∗ pAdapter)Returns in ∗pDevice the Cuda-compatible device corresponding to the adapter pAdapter obtained from IDXGI-Factory::EnumAdapters. This call will succeed only if a device on adapter pAdapter is Cuda-compatible.Parameters:pDevice - Returns the device corresponding to pAdapterpAdapter - D3D10 adapter to get device forReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_VALUE, CUDA_ERROR_UNKNOWNNote that this function may also return error codes from previous, asynchronous launches.Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.29 Direct3D 10 Interoperability 187See also:cuD3D10CtxCreate, cuD3D10MapResources, cuD3D10RegisterResource, cuD3D10ResourceGetMappedArray,cuD3D10ResourceGetMappedPitch, cuD3D10ResourceGetMappedPointer, cuD3D10ResourceGetMappedSize,cuD3D10ResourceGetSurfaceDimensions, cuD3D10ResourceSetMapFlags, cuD3D10UnmapResources,cuD3D10UnregisterResource3.29.2.3 CUresult cuD3D10MapResources (unsigned int count, ID3D10Resource ∗∗ ppResources)Maps the count Direct3D resources in ppResources for access by CUDA.The resources in ppResources may be accessed in CUDA kernels until they are unmapped. Direct3D should notaccess any resources while they are mapped by CUDA. If an application does so, the results are undefined.This function provides the synchronization guarantee that any Direct3D calls issued before cuD3D10MapResources()will complete before any CUDA kernels issued after cuD3D10MapResources() begin.If any of ppResources have not been registered for use with CUDA or if ppResources contains any duplicateentries, then CUDA_ERROR_INVALID_HANDLE is returned. If any of ppResources are presently mapped foraccess by CUDA, then CUDA_ERROR_ALREADY_MAPPED is returned.Parameters:count - Number of resources to map for CUDAppResources - Resources to map for CUDAReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_HANDLE, CUDA_ERROR_ALREADY_-MAPPED, CUDA_ERROR_UNKNOWNSee also:Note that this function may also return error codes from previous, asynchronous launches.cuD3D10CtxCreate, cuD3D10GetDevice, cuD3D10RegisterResource, cuD3D10ResourceGetMappedArray,cuD3D10ResourceGetMappedPitch, cuD3D10ResourceGetMappedPointer, cuD3D10ResourceGetMappedSize,cuD3D10ResourceGetSurfaceDimensions, cuD3D10ResourceSetMapFlags, cuD3D10UnmapResources,cuD3D10UnregisterResource3.29.2.4 CUresult cuD3D10RegisterResource (ID3D10Resource ∗ pResource, unsigned int flags)Registers the Direct3D resource pResource for access by CUDA.If this call is successful, then the application will be able to map and unmap this resource until it is unregistered throughcuD3D10UnregisterResource(). Also on success, this call will increase the internal reference count on pResource.This reference count will be decremented when this resource is unregistered through cuD3D10UnregisterResource().This call is potentially high-overhead and should not be called every frame in interactive applications.The type of pResource must be one of the following.• ID3D10Buffer: Cannot be used with flags set to CU_D3D10_REGISTER_FLAGS_ARRAY.Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
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NVIDIA CUDAReference ManualVersion
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iiCONTENTS3.5 Stream Management . .
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ivCONTENTS3.10 Direct3D 9 Interoper
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viCONTENTS3.15.2.2 cudaComputeMode
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viiiCONTENTS3.24.2.11 cuParamSetv .
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NoticeALL NVIDIA DESIGN SPECIFICATI
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