// d3d10umddi.h

PFND3D10DDI_CALCPRIVATEQUERYSIZE Pfnd3d10ddiCalcprivatequerysize;

SIZE_T Pfnd3d10ddiCalcprivatequerysize(
  D3D10DDI_HDEVICE unnamedParam1,
  const D3D10DDIARG_CREATEQUERY *unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-d3d10umddi-pfnd3d10ddi_calcprivatequerysize)

PFND3D10DDI_CALCPRIVATEQUERYSIZE callback function

Description

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.

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.

PFND3D10DDI_CALCPRIVATEQUERYSIZE - NtDoc