// d3dhal.h

typedef struct _DD_GETD3DQUERYCOUNTDATA {
  DD_GETDRIVERINFO2DATA gdi2;
  DWORD                 dwNumQueries;
} DD_GETD3DQUERYCOUNTDATA;
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Windows Driver Kit DDI reference (ns-d3dhal-_dd_getd3dquerycountdata)

_DD_GETD3DQUERYCOUNTDATA structure

Description

DirectX 9.0 and later versions only.

DD_GETD3DQUERYCOUNTDATA is the data structure pointed to by the lpvData field of DD_GETDRIVERINFODATA for DD_GETDRIVERINFO2DATA queries with the type D3DGDI2_TYPE_GETD3DQUERYCOUNT.

Members

`gdi2`

Specifies a DD_GETDRIVERINFO2DATA structure that contains the GetDriverInfo2 data for the query.

`dwNumQueries`

Receives the number of supported query types.

Remarks

To handle D3DGDI2_TYPE_GETD3DQUERYCOUNT, the driver must store the number of query types that it supports in the dwNumQueries member of DD_GETD3DQUERYCOUNTDATA. Query types are represented by values in the D3DQUERYTYPE enumeration.

DD_GETD3DQUERYCOUNTDATA - NtDoc