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PFND3D10DDI_CALCPRIVATEQUERYSIZE callback function (d3d10umddi.h)

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

Syntax

PFND3D10DDI_CALCPRIVATEQUERYSIZE Pfnd3d10ddiCalcprivatequerysize;

SIZE_T Pfnd3d10ddiCalcprivatequerysize(
  D3D10DDI_HDEVICE unnamedParam1,
  const D3D10DDIARG_CREATEQUERY *unnamedParam2
)
{...}

Parameters

unnamedParam1

hDevice [in]

A handle to the display device (graphics context).

unnamedParam2

pCreateQuery [in]

A pointer to a D3D10DDIARG_CREATEQUERY structure that describes the parameters that the user-mode display driver uses to calculate the size of the memory region.

Return value

CalcPrivateQuerySize returns the size of the memory region that the driver requires for creating a query.

Requirements

Requirement Value
Minimum supported client Available in Windows Vista and later versions of the Windows operating systems.
Target Platform Desktop
Header d3d10umddi.h (include D3d10umddi.h)

See also

D3D10DDIARG_CREATEQUERY

D3D10DDI_DEVICEFUNCS