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188 Module Documentation• ID3D10Texture1D: No restrictions.• ID3D10Texture2D: No restrictions.• ID3D10Texture3D: No restrictions.The flags argument specifies the mechanism through which CUDA will access the Direct3D resource. The followingvalues are allowed.• CU_D3D10_REGISTER_FLAGS_NONE: Specifies that CUDA will access this resource through aCUdeviceptr. The pointer, size, and (for textures), pitch for each subresource of this allocationmay be queried through cuD3D10ResourceGetMappedPointer(), cuD3D10ResourceGetMappedSize(), andcuD3D10ResourceGetMappedPitch() respectively. This option is valid for all resource types.• CU_D3D10_REGISTER_FLAGS_ARRAY: Specifies that CUDA will access this resource through a CUarrayqueried on a sub-resource basis through cuD3D10ResourceGetMappedArray(). This option is only valid forresources of type ID3D10Texture1D, ID3D10Texture2D, and ID3D10Texture3D.Not all Direct3D resources of the above types may be used for interoperability with CUDA. The following are somelimitations.• The primary rendertarget may not be registered with CUDA.• Resources allocated as shared may not be registered with CUDA.• 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 CUDA_ERROR_INVALID_CONTEXT is returned.If pResource is of incorrect type or is already registered, then CUDA_ERROR_INVALID_HANDLE is returned.If pResource cannot be registered, then CUDA_ERROR_UNKNOWN is returned.Parameters:pResource - Resource to registerflags - Parameters for resource registrationReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUE, CUDA_ERROR_INVALID_HANDLE,CUDA_ERROR_OUT_OF_MEMORY, CUDA_ERROR_UNKNOWNSee also:Note that this function may also return error codes from previous, asynchronous launches.cuD3D10CtxCreate, cuD3D10GetDevice, cuD3D10MapResources, cuD3D10ResourceGetMappedArray,cuD3D10ResourceGetMappedPitch, cuD3D10ResourceGetMappedPointer, cuD3D10ResourceGetMappedSize,cuD3D10ResourceGetSurfaceDimensions, cuD3D10ResourceSetMapFlags, cuD3D10UnmapResources,cuD3D10UnregisterResourceGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.29 Direct3D 10 Interoperability 1893.29.2.5 CUresult cuD3D10ResourceGetMappedArray (CUarray ∗ pArray, ID3D10Resource ∗ pResource,U32 SubResource)Returns in ∗pArray an array through which the subresource of the mapped Direct3D resource pResource, whichcorresponds to SubResource may be accessed. The value set in pArray may change every time that pResourceis mapped.If pResource is not registered, then CUDA_ERROR_INVALID_HANDLE is returned. If pResource was notregistered with usage flags CU_D3D10_REGISTER_FLAGS_ARRAY, then CUDA_ERROR_INVALID_HANDLEis returned. If pResource is not mapped, then CUDA_ERROR_NOT_MAPPED is returned.For usage requirements of the SubResource parameter, see cuD3D10ResourceGetMappedPointer().Parameters:pArray - Returned array corresponding to subresourcepResource - Mapped resource to accessSubResource - Subresource of pResource to accessReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUE, CUDA_ERROR_INVALID_HANDLE,CUDA_ERROR_NOT_MAPPEDSee also:Note that this function may also return error codes from previous, asynchronous launches.cuD3D10CtxCreate, cuD3D10GetDevice, cuD3D10MapResources, cuD3D10RegisterResource,cuD3D10ResourceGetMappedPitch, cuD3D10ResourceGetMappedPointer, cuD3D10ResourceGetMappedSize,cuD3D10ResourceGetSurfaceDimensions, cuD3D10ResourceSetMapFlags, cuD3D10UnmapResources,cuD3D10UnregisterResource3.29.2.6 CUresult cuD3D10ResourceGetMappedPitch (unsigned int ∗ pPitch, unsigned int ∗ pPitchSlice,ID3D10Resource ∗ pResource, U32 SubResource)Returns in ∗pPitch and ∗pPitchSlice the pitch and Z-slice pitch of the subresource of the mapped Direct3Dresource pResource, which corresponds to SubResource. 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 IDirect3DBaseTexture10 or one of its sub-types or if pResource has not been registeredfor use with CUDA, then CUDA_ERROR_INVALID_HANDLE is returned. If pResource was not registeredwith usage flags CU_D3D10_REGISTER_FLAGS_NONE, then CUDA_ERROR_INVALID_HANDLE is returned.If pResource is not mapped for access by CUDA, then CUDA_ERROR_NOT_MAPPED is returned.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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xCONTENTS3.28.2.3 cuD3D9GetDirect3D
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40 Module DocumentationcudaMemcpy3D
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42 Module Documentation3.8.2.24 cud
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44 Module Documentation3.8.2.27 cud
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46 Module DocumentationSee also:cud
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90 Module DocumentationcudaErrorUnm
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94 Module Documentation3.16 CUDA Dr
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96 Module Documentation3.18 Device
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98 Module Documentation• CU_DEVIC
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108 Module Documentation3.21 Module
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114 Module Documentation3.22 Stream
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116 Module Documentation3.23 Event
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118 Module Documentation3.23.2.4 CU
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120 Module Documentation3.24 Execut
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Page 250: NoticeALL NVIDIA DESIGN SPECIFICATI
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