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56 Module DocumentationpszAdapterName - D3D9 adapter to get device forReturns:Note:See also:cudaSuccess, cudaErrorInvalidValue, cudaErrorUnknownNote that this function may also return error codes from previous, asynchronous launches.cudaD3D9SetDirect3DDevice, cudaD3D9GetDirect3DDevice, cudaD3D9RegisterResource,cudaD3D9UnregisterResource, cudaD3D9MapResources, cudaD3D9UnmapResources,cudaD3D9ResourceGetSurfaceDimensions, cudaD3D9ResourceSetMapFlags, cudaD3D9ResourceGetMappedArray,cudaD3D9ResourceGetMappedPointer, cudaD3D9ResourceGetMappedSize,cudaD3D9ResourceGetMappedPitch3.10.3.2 cudaError_t cudaD3D9GetDirect3DDevice (IDirect3DDevice9 ∗∗ ppDxDevice)Returns in ∗ppDxDevice the Direct3D device against which this CUDA context was created in cudaD3D9SetDirect3DDevice().Parameters:ppDxDevice - Returns the Direct3D device for this threadReturns:Note:See also:cudaSuccess, cudaErrorUnknownNote that this function may also return error codes from previous, asynchronous launches.cudaD3D9GetDevice, cudaD3D9SetDirect3DDevice, cudaD3D9RegisterResource, cudaD3D9UnregisterResource,cudaD3D9MapResources, cudaD3D9UnmapResources,cudaD3D9ResourceGetSurfaceDimensions, cudaD3D9ResourceSetMapFlags, cudaD3D9ResourceGetMappedArray,cudaD3D9ResourceGetMappedPointer, cudaD3D9ResourceGetMappedSize,cudaD3D9ResourceGetMappedPitch3.10.3.3 cudaError_t cudaD3D9MapResources (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 cudaD3D9MapResources()will complete before any CUDA kernels issued after cudaD3D9MapResources() begin.If any of ppResources have not been registered for use with CUDA or if ppResources contains any duplicateentries then cudaErrorInvalidResourceHandle is returned. If any of ppResources are presently mapped for accessby CUDA then cudaErrorUnknown is returned.Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.10 Direct3D 9 Interoperability 57Parameters:count - Number of resources to map for CUDAppResources - Resources to map for CUDAReturns:Note:See also:cudaSuccess, cudaErrorInvalidResourceHandle, cudaErrorUnknownNote that this function may also return error codes from previous, asynchronous launches.cudaD3D9GetDevice, cudaD3D9SetDirect3DDevice, cudaD3D9GetDirect3DDevice, cudaD3D9RegisterResource,cudaD3D9UnregisterResource, cudaD3D9UnmapResources,cudaD3D9ResourceGetSurfaceDimensions, cudaD3D9ResourceSetMapFlags, cudaD3D9ResourceGetMappedArray,cudaD3D9ResourceGetMappedPointer, cudaD3D9ResourceGetMappedSize,cudaD3D9ResourceGetMappedPitch3.10.3.4 cudaError_t cudaD3D9RegisterResource (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 throughcudaD3D9UnregisterResource(). 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 cudaD3D9UnregisterResource().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: No notes.• IDirect3DIndexBuffer9: No notes.• 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.• IDirect3DBaseTexture9: When a texture is registered, all surfaces associated with all mipmap levels of all facesof the texture will be accessible to CUDA.The flags argument specifies the mechanism through which CUDA will access the Direct3D resource. The followingvalue is allowed:• cudaD3D9RegisterFlagsNone: Specifies that CUDA will access this resource through avoid∗. The pointer, size, and pitch for each subresource of this resource may be queriedthrough cudaD3D9ResourceGetMappedPointer(), cudaD3D9ResourceGetMappedSize(), and cudaD3D9ResourceGetMappedPitch()respectively. This option is valid for all resource types.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.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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