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58 Module Documentation• Resources allocated as shared may not be registered with CUDA.• Any resources allocated in D3DPOOL_SYSTEMMEM or D3DPOOL_MANAGED may not be registered withCUDA.• Textures which are not of a format which is 1, 2, or 4 channels of 8, 16, or 32-bit integer or floating-point datacannot be shared.• Surfaces of depth or stencil formats cannot be shared.If Direct3D interoperability is not initialized on this context, then cudaErrorInvalidDevice is returned. If pResourceis of incorrect type (e.g, is a non-stand-alone IDirect3DSurface9) or is already registered, then cudaErrorInvalidResourceHandleis returned. If pResource cannot be registered then cudaErrorUnknown is returned.Parameters:pResource - Resource to registerflags - Parameters for resource registrationReturns:Note:See also:cudaSuccess, cudaErrorInvalidValue, cudaErrorInvalidResourceHandle, cudaErrorUnknownNote that this function may also return error codes from previous, asynchronous launches.cudaD3D9GetDevice, cudaD3D9SetDirect3DDevice, cudaD3D9GetDirect3DDevice, cudaD3D9UnregisterResource,cudaD3D9MapResources, cudaD3D9UnmapResources,cudaD3D9ResourceGetSurfaceDimensions, cudaD3D9ResourceSetMapFlags, cudaD3D9ResourceGetMappedArray,cudaD3D9ResourceGetMappedPointer, cudaD3D9ResourceGetMappedSize,cudaD3D9ResourceGetMappedPitch3.10.3.5 cudaError_t cudaD3D9ResourceGetMappedArray (cudaArray ∗∗ ppArray, IDirect3DResource9 ∗pResource, unsigned int face, unsigned int level)Returns in ∗pArray an array through which the subresource of the mapped Direct3D resource pResource,which corresponds to face and level may be accessed. The value set in pArray may change every time thatpResource is mapped.If pResource is not registered then cudaErrorInvalidResourceHandle is returned. If pResource was not registeredwith usage flags cudaD3D9RegisterFlagsArray, then cudaErrorInvalidResourceHandle is returned. If pResource isnot mapped, then cudaErrorUnknown is returned.For usage requirements of face and level parameters, see cudaD3D9ResourceGetMappedPointer().Parameters:ppArray - Returned array corresponding to subresourcepResource - Mapped resource to accessface - Face of resource to accesslevel - Level of resource to accessGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.10 Direct3D 9 Interoperability 59Returns:Note:See also:cudaSuccess, cudaErrorInvalidResourceHandle, cudaErrorUnknownNote that this function may also return error codes from previous, asynchronous launches.cudaD3D9GetDevice, cudaD3D9SetDirect3DDevice, cudaD3D9GetDirect3DDevice, cudaD3D9RegisterResource,cudaD3D9UnregisterResource, cudaD3D9MapResources, cudaD3D9UnmapResources,cudaD3D9ResourceGetSurfaceDimensions, cudaD3D9ResourceSetMapFlags, cudaD3D9ResourceGetMappedPointer,cudaD3D9ResourceGetMappedSize, cudaD3D9ResourceGetMappedPitch3.10.3.6 cudaError_t cudaD3D9ResourceGetMappedPitch (size_t ∗ pPitch, size_t ∗ pPitchSlice,IDirect3DResource9 ∗ pResource, unsigned int face, unsigned int level)Returns in ∗pPitch and ∗pPitchSlice the pitch and Z-slice pitch of the subresource of the mapped Direct3Dresource pResource, which corresponds to face and level. The values set in pPitch and pPitchSlice maychange every time that pResource is mapped.The pitch and Z-slice pitch values may be used to compute the location of a sample on a surface as follows.For a 2D surface, the byte offset of the sample at position x, y from the base pointer of the surface is:y ∗ pitch + (bytes per pixel) ∗ xFor a 3D surface, the byte offset of the sample at position x, y, z from the base pointer of the surface is:z∗ slicePitch + y ∗ pitch + (bytes per pixel) ∗ xBoth parameters pPitch and pPitchSlice are optional and may be set to NULL.If pResource is not of type IDirect3DBaseTexture9 or one of its sub-types or if pResource has not been registeredfor use with CUDA, then cudaErrorInvalidResourceHandle is returned. If pResource was not registered with usageflags cudaD3D9RegisterFlagsNone, then cudaErrorInvalidResourceHandle is returned. If pResource is not mappedfor access by CUDA then cudaErrorUnknown is returned.For usage requirements of face and level parameters, see cudaD3D9ResourceGetMappedPointer().Parameters:pPitch - Returned pitch of subresourcepPitchSlice - Returned Z-slice pitch of subresourcepResource - Mapped resource to accessface - Face of resource to accesslevel - Level of resource to accessReturns:Note:cudaSuccess, cudaErrorInvalidValue, cudaErrorInvalidResourceHandle, cudaErrorUnknownNote 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
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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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