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CalcPrivateOpenedResourceSize routine

The CalcPrivateOpenedResourceSize function determines the size of the user-mode display driver's private shared region of memory (that is, the size of internal driver structures, not the size of the resource video memory) for an opened resource.

Syntax


PFND3D10DDI_CALCPRIVATEOPENEDRESOURCESIZE CalcPrivateOpenedResourceSize;

SIZE_T APIENTRY CalcPrivateOpenedResourceSize(
  _In_  D3D10DDI_HDEVICE hDevice,
  _In_  const D3D10DDIARG_OPENRESOURCE *pOpenResource
)
{ ... }

Parameters

hDevice [in]

A handle to the display device (graphics context).

pOpenResource [in]

A pointer to a D3D10DDIARG_OPENRESOURCE structure that describes the parameters that the user-mode display driver uses to calculate the size of the shared memory region.

Return value

CalcPrivateOpenedResourceSize returns the size of the shared memory region that the driver requires for opening resources.

Requirements

Version

Available in Windows Vista and later versions of the Windows operating systems.

Header

D3d10umddi.h (include D3d10umddi.h)

See also

D3D10DDI_DEVICEFUNCS
D3D10DDIARG_OPENRESOURCE

 

 

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