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176 Module DocumentationReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_VALUE, CUDA_ERROR_UNKNOWNSee also:Note that this function may also return error codes from previous, asynchronous launches.cuD3D9CtxCreate, cuD3D9GetDirect3DDevice, cuD3D9MapResources, cuD3D9RegisterResource,cuD3D9ResourceGetMappedArray, cuD3D9ResourceGetMappedPitch, cuD3D9ResourceGetMappedPointer,cuD3D9ResourceGetMappedSize, cuD3D9ResourceGetSurfaceDimensions, cuD3D9ResourceSetMapFlags,cuD3D9UnmapResources, cuD3D9UnregisterResource3.28.2.3 CUresult cuD3D9GetDirect3DDevice (IDirect3DDevice9 ∗∗ ppDxDevice)Returns in ∗ppDxDevice the Direct3D device against which this CUDA context was created in cuD3D9CtxCreate().Parameters:ppDxDevice - Returned Direct3D device corresponding to CUDA contextReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXTSee also:Note that this function may also return error codes from previous, asynchronous launches.cuD3D9CtxCreate, cuD3D9GetDevice, cuD3D9MapResources, cuD3D9RegisterResource,cuD3D9ResourceGetMappedArray, cuD3D9ResourceGetMappedPitch, cuD3D9ResourceGetMappedPointer,cuD3D9ResourceGetMappedSize, cuD3D9ResourceGetSurfaceDimensions, cuD3D9ResourceSetMapFlags,cuD3D9UnmapResources, cuD3D9UnregisterResource3.28.2.4 CUresult cuD3D9MapResources (unsigned int count, IDirect3DResource9 ∗∗ 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 cuD3D9MapResources()will complete before any CUDA kernels issued after cuD3D9MapResources() 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 in ppResourcesGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.28 Direct3D 9 Interoperability 177ppResources - Resources to map for CUDA usageReturns: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.cuD3D9CtxCreate, cuD3D9GetDevice, cuD3D9GetDirect3DDevice, cuD3D9RegisterResource,cuD3D9ResourceGetMappedArray, cuD3D9ResourceGetMappedPitch, cuD3D9ResourceGetMappedPointer,cuD3D9ResourceGetMappedSize, cuD3D9ResourceGetSurfaceDimensions, cuD3D9ResourceSetMapFlags,cuD3D9UnmapResources, cuD3D9UnregisterResource3.28.2.5 CUresult cuD3D9RegisterResource (IDirect3DResource9 ∗ 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 throughcuD3D9UnregisterResource(). 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 cuD3D9UnregisterResource().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.• IDirect3DVertexBuffer9: Cannot be used with flags set to CU_D3D9_REGISTER_FLAGS_ARRAY.• IDirect3DIndexBuffer9: Cannot be used with flags set to CU_D3D9_REGISTER_FLAGS_ARRAY.• IDirect3DSurface9: Only stand-alone objects of type IDirect3DSurface9 may be explicitly shared. In particular,individual mipmap levels and faces of cube maps may not be registered directly. To access individual surfacesassociated with a texture, one must register the base texture object. For restrictions on the flags parameter,see type IDirect3DBaseTexture9.• IDirect3DBaseTexture9: When a texture is registered, all surfaces associated with the all mipmap levels of allfaces of the texture will be accessible to CUDA.The flags argument specifies the mechanism through which CUDA will access the Direct3D resource. The followingvalues are allowed.• CU_D3D9_REGISTER_FLAGS_NONE: Specifies that CUDA will access this resource through a CUdeviceptr.The pointer, size, and (for textures), pitch for each subresource of this allocationmay be queried through cuD3D9ResourceGetMappedPointer(), cuD3D9ResourceGetMappedSize(), andcuD3D9ResourceGetMappedPitch() respectively. This option is valid for all resource types.• CU_D3D9_REGISTER_FLAGS_ARRAY: Specifies that CUDA will access this resource through a CUarrayqueried on a sub-resource basis through cuD3D9ResourceGetMappedArray(). This option is only valid forresources of type IDirect3DSurface9 and subtypes of IDirect3DBaseTexture9.Not all Direct3D resources of the above types may be used for interoperability with CUDA. The following are somelimitations.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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xiiCONTENTS4.3.1 Detailed Descripti
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2 Module IndexGenerated on Wed Apr
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6 Module Documentation3.2 Thread Ma
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8 Module DocumentationNote:Note tha
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10 Module Documentation3.4.2.2 cuda
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24 Module DocumentationCopies data
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36 Module Documentationdirection of
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38 Module DocumentationNote:See als
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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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54 Module Documentation3.10 Direct3
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56 Module DocumentationpszAdapterNa
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64 Module DocumentationcudaD3D9Reso
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66 Module Documentation• cudaErro
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72 Module DocumentationpResource -
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74 Module DocumentationcudaD3D10Res
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76 Module Documentationtex1Dfetch()
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78 Module Documentationz - Z compon
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80 Module Documentation3.13 Version
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82 Module Documentation• template
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90 Module DocumentationcudaErrorUnm
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92 Module DocumentationEnumerator:c
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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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100 Module Documentationtypedef str
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102 Module Documentation3.19 Versio
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104 Module DocumentationReturns:Not
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106 Module DocumentationNote:See al
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108 Module Documentation3.21 Module
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110 Module DocumentationReturns:Not
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112 Module DocumentationnumOptions
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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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122 Module Documentation3.24.2.3 CU
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124 Module DocumentationParameters:
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Page 164 and 165: 150 Module Documentation3.25.2.18 C
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226 INDEXCU_FUNC_ATTRIBUTE_MAX_THRE
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228 INDEXcudaD3D9ResourceSetMapFlag
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230 INDEXcudaMemcpyToArrayCUDART_ME
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232 INDEXcudaStream_t, 91CUDART_VER
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234 INDEXcuMemcpyAtoACUMEM, 147cuMe
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NoticeALL NVIDIA DESIGN SPECIFICATI
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