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174 Module Documentation3.28 Direct3D 9 InteroperabilityFunctions• CUresult cuD3D9CtxCreate (CUcontext ∗pCtx, CUdevice ∗pCuDevice, unsigned int flags, IDirect3DDevice9∗pDxDevice)Create a CUDA context for interoperability with Direct3D.• CUresult cuD3D9GetDevice (CUdevice ∗pDevice, const char ∗pszAdapterName)Gets the device number for an adapter.• CUresult cuD3D9GetDirect3DDevice (IDirect3DDevice9 ∗∗ppDxDevice)Get the Direct3D device against which the current CUDA context was created.• CUresult cuD3D9MapResources (unsigned int count, IDirect3DResource9 ∗∗ppResources)Map Direct3D resources for access by CUDA.• CUresult cuD3D9RegisterResource (IDirect3DResource9 ∗pResource, unsigned int flags)Register a Direct3D resource for access by CUDA.• CUresult cuD3D9ResourceGetMappedArray (CUarray ∗pArray, IDirect3DResource9 ∗pResource, U32 face,U32 level)Get an array through which to access a subresource of a Direct3D resource which has been mapped for access by CUDA.• CUresult cuD3D9ResourceGetMappedPitch (unsigned int ∗pPitch, unsigned int ∗pPitchSlice, IDirect3DResource9∗pResource, U32 face, U32 level)Get the pitch of a subresource of a Direct3D resource which has been mapped for access by CUDA.• CUresult cuD3D9ResourceGetMappedPointer (CUdeviceptr ∗pDevPtr, IDirect3DResource9 ∗pResource, U32face, U32 level)Get the pointer through which to access a subresource of a Direct3D resource which has been mapped for access byCUDA.• CUresult cuD3D9ResourceGetMappedSize (unsigned int ∗pSize, IDirect3DResource9 ∗pResource, U32 face,U32 level)Get the size of a subresource of a Direct3D resource which has been mapped for access by CUDA.• CUresult cuD3D9ResourceGetSurfaceDimensions (unsigned int ∗pWidth, unsigned int ∗pHeight, unsigned int∗pDepth, IDirect3DResource9 ∗pResource, unsigned int face, unsigned int level)Get the dimensions of a registered surface.• CUresult cuD3D9ResourceSetMapFlags (IDirect3DResource9 ∗pResource, unsigned int flags)Set usage flags for mapping a Direct3D resource.• CUresult cuD3D9UnmapResources (unsigned int count, IDirect3DResource9 ∗∗ppResources)Unmaps Direct3D resources.• CUresult cuD3D9UnregisterResource (IDirect3DResource9 ∗pResource)Unregister a Direct3D resource.Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.28 Direct3D 9 Interoperability 1753.28.1 Detailed DescriptionThis section describes the Direct3D 9 interoperability functions of the low-level CUDA driver application programminginterface.3.28.2 Function Documentation3.28.2.1 CUresult cuD3D9CtxCreate (CUcontext ∗ pCtx, CUdevice ∗ pCuDevice, unsigned int flags,IDirect3DDevice9 ∗ 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.cuD3D9GetDevice, cuD3D9GetDirect3DDevice, cuD3D9MapResources, cuD3D9RegisterResource,cuD3D9ResourceGetMappedArray, cuD3D9ResourceGetMappedPitch, cuD3D9ResourceGetMappedPointer,cuD3D9ResourceGetMappedSize, cuD3D9ResourceGetSurfaceDimensions, cuD3D9ResourceSetMapFlags,cuD3D9UnmapResources, cuD3D9UnregisterResource3.28.2.2 CUresult cuD3D9GetDevice (CUdevice ∗ pDevice, const char ∗ pszAdapterName)Returns in ∗pDevice the CUDA-compatible device corresponding to the adapter name pszAdapterName obtainedfrom EnumDisplayDevices() or IDirect3D9::GetAdapterIdentifier(). If no device on the adapter with namepszAdapterName is CUDA-compatible, then the call will fail.Parameters:pDevice - Returned CUDA device corresponding to pszAdapterNamepszAdapterName - Adapter name to query for deviceGenerated 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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