NAME

       Direct3D 10 Interoperability -

   Modules
       Direct3D 10 Interoperability [DEPRECATED]

   Enumerations
       enum CUd3d10DeviceList { CU_D3D10_DEVICE_LIST_ALL =  0x01, CU_D3D10_DEVICE_LIST_CURRENT_FRAME =  0x02,
           CU_D3D10_DEVICE_LIST_NEXT_FRAME =  0x03 }

   Functions
       CUresult cuD3D10GetDevice (CUdevice *pCudaDevice, IDXGIAdapter *pAdapter)
           Gets the CUDA device corresponding to a display adapter.
       CUresult cuD3D10GetDevices (unsigned int *pCudaDeviceCount, CUdevice *pCudaDevices, unsigned int
           cudaDeviceCount, ID3D10Device *pD3D10Device, CUd3d10DeviceList deviceList)
           Gets the CUDA devices corresponding to a Direct3D 10 device.
       CUresult cuGraphicsD3D10RegisterResource (CUgraphicsResource *pCudaResource, ID3D10Resource
           *pD3DResource, unsigned int Flags)
           Register a Direct3D 10 resource for access by CUDA.

Detailed Description

       \brief Direct3D 10 interoperability functions of the low-level CUDA driver API (cudaD3D10.h)

       This section describes the Direct3D 10 interoperability functions of the low-level CUDA driver
       application programming interface. Note that mapping of Direct3D 10 resources is performed with the
       graphics API agnostic, resource mapping interface described in Graphics Interoperability.

Enumeration Type Documentation

   enum CUd3d10DeviceList
       CUDA devices corresponding to a D3D10 device

       Enumerator:

       CU_D3D10_DEVICE_LIST_ALL
              The CUDA devices for all GPUs used by a D3D10 device

       CU_D3D10_DEVICE_LIST_CURRENT_FRAME
              The CUDA devices for the GPUs used by a D3D10 device in its currently rendering frame

       CU_D3D10_DEVICE_LIST_NEXT_FRAME
              The CUDA devices for the GPUs to be used by a D3D10 device in the next frame

Function Documentation

   CUresult cuD3D10GetDevice (CUdevice * pCudaDevice, IDXGIAdapter * pAdapter)
       Returns in *pCudaDevice the CUDA-compatible device corresponding to the adapter pAdapter obtained from
       IDXGIFactory::EnumAdapters.

       If no device on pAdapter is CUDA-compatible then the call will fail.

       Parameters:
           pCudaDevice - Returned CUDA device corresponding to pAdapter
           pAdapter - Adapter to query for CUDA device

       Returns:
           CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_ERROR_INVALID_VALUE,
           CUDA_ERROR_NOT_FOUND, CUDA_ERROR_UNKNOWN

       Note:
           Note that this function may also return error codes from previous, asynchronous launches.

       See also:
           cuD3D10GetDevices, cudaD3D10GetDevice

   CUresult cuD3D10GetDevices (unsigned int * pCudaDeviceCount, CUdevice * pCudaDevices, unsigned int
       cudaDeviceCount, ID3D10Device * pD3D10Device, CUd3d10DeviceList deviceList)
       Returns in *pCudaDeviceCount the number of CUDA-compatible device corresponding to the Direct3D 10 device
       pD3D10Device. Also returns in *pCudaDevices at most cudaDeviceCount of the CUDA-compatible devices
       corresponding to the Direct3D 10 device pD3D10Device.

       If any of the GPUs being used to render pDevice are not CUDA capable then the call will return
       CUDA_ERROR_NO_DEVICE.

       Parameters:
           pCudaDeviceCount - Returned number of CUDA devices corresponding to pD3D10Device
           pCudaDevices - Returned CUDA devices corresponding to pD3D10Device
           cudaDeviceCount - The size of the output device array pCudaDevices
           pD3D10Device - Direct3D 10 device to query for CUDA devices
           deviceList - The set of devices to return. This set may be CU_D3D10_DEVICE_LIST_ALL for all devices,
           CU_D3D10_DEVICE_LIST_CURRENT_FRAME for the devices used to render the current frame (in SLI), or
           CU_D3D10_DEVICE_LIST_NEXT_FRAME for the devices used to render the next frame (in SLI).

       Returns:
           CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_ERROR_NO_DEVICE,
           CUDA_ERROR_INVALID_VALUE, CUDA_ERROR_NOT_FOUND, CUDA_ERROR_UNKNOWN

       Note:
           Note that this function may also return error codes from previous, asynchronous launches.

       See also:
           cuD3D10GetDevice, cudaD3D10GetDevices

   CUresult cuGraphicsD3D10RegisterResource (CUgraphicsResource * pCudaResource, ID3D10Resource * pD3DResource,
       unsigned int Flags)
       Registers the Direct3D 10 resource pD3DResource for access by CUDA and returns a CUDA handle to
       pD3Dresource in pCudaResource. The handle returned in pCudaResource may be used to map and unmap this
       resource until it is unregistered. On success this call will increase the internal reference count on
       pD3DResource. This reference count will be decremented when this resource is unregistered through
       cuGraphicsUnregisterResource().

       This call is potentially high-overhead and should not be called every frame in interactive applications.

       The type of pD3DResource must be one of the following.

       • ID3D10Buffer: may be accessed through a device pointer.

       • ID3D10Texture1D: individual subresources of the texture may be accessed via arrays

       • ID3D10Texture2D: individual subresources of the texture may be accessed via arrays

       • ID3D10Texture3D: individual subresources of the texture may be accessed via arrays

       The Flags argument may be used to specify additional parameters at register time. The valid values for
       this parameter are

       • CU_GRAPHICS_REGISTER_FLAGS_NONE: Specifies no hints about how this resource will be used.

       • CU_GRAPHICS_REGISTER_FLAGS_SURFACE_LDST: Specifies that CUDA will bind this resource to a surface
         reference.

       • CU_GRAPHICS_REGISTER_FLAGS_TEXTURE_GATHER: Specifies that CUDA will perform texture gather operations
         on this resource.

       Not all Direct3D resources of the above types may be used for interoperability with CUDA. The following
       are some limitations.

       • The primary rendertarget 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 data cannot be shared.

       • Surfaces of depth or stencil formats cannot be shared.

       A complete list of supported DXGI formats is as follows. For compactness the notation A_{B,C,D}
       represents A_B, A_C, and A_D.

       • DXGI_FORMAT_A8_UNORM

       • DXGI_FORMAT_B8G8R8A8_UNORM

       • DXGI_FORMAT_B8G8R8X8_UNORM

       • DXGI_FORMAT_R16_FLOAT

       • DXGI_FORMAT_R16G16B16A16_{FLOAT,SINT,SNORM,UINT,UNORM}

       • DXGI_FORMAT_R16G16_{FLOAT,SINT,SNORM,UINT,UNORM}

       • DXGI_FORMAT_R16_{SINT,SNORM,UINT,UNORM}

       • DXGI_FORMAT_R32_FLOAT

       • DXGI_FORMAT_R32G32B32A32_{FLOAT,SINT,UINT}

       • DXGI_FORMAT_R32G32_{FLOAT,SINT,UINT}

       • DXGI_FORMAT_R32_{SINT,UINT}

       • DXGI_FORMAT_R8G8B8A8_{SINT,SNORM,UINT,UNORM,UNORM_SRGB}

       • DXGI_FORMAT_R8G8_{SINT,SNORM,UINT,UNORM}

       • DXGI_FORMAT_R8_{SINT,SNORM,UINT,UNORM}

       If pD3DResource is of incorrect type or is already registered then CUDA_ERROR_INVALID_HANDLE is returned.
       If pD3DResource cannot be registered then CUDA_ERROR_UNKNOWN is returned. If Flags is not one of the
       above specified value then CUDA_ERROR_INVALID_VALUE is returned.

       Parameters:
           pCudaResource - Returned graphics resource handle
           pD3DResource - Direct3D resource to register
           Flags - Parameters for resource registration

       Returns:
           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_UNKNOWN

       Note:
           Note that this function may also return error codes from previous, asynchronous launches.

       See also:
           cuGraphicsUnregisterResource, cuGraphicsMapResources, cuGraphicsSubResourceGetMappedArray,
           cuGraphicsResourceGetMappedPointer, cudaGraphicsD3D10RegisterResource

Author

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