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D3D10_QUERY_DATA_TIMESTAMP_DISJOINT structure

Query information about the reliability of a timestamp query.

Syntax


typedef struct D3D10_QUERY_DATA_TIMESTAMP_DISJOINT {
  UINT64 Frequency;
  BOOL   Disjoint;
} D3D10_QUERY_DATA_TIMESTAMP_DISJOINT;

Members

Frequency

Type: UINT64

How frequently the GPU counter increments in Hz.

Disjoint

Type: BOOL

If this is TRUE, something occurred in between the query's ID3D10Asynchronous::Begin and ID3D10Asynchronous::End calls that caused the timestamp counter to become discontinuous or disjoint, such as unplugging the AC chord on a laptop, overheating, or throttling up/down due to laptop savings events. The timestamp returned by ID3D10Asynchronous::GetData for a timestamp query is only reliable if Disjoint is FALSE.

Remarks

For a list of query types see D3D10_QUERY.

Requirements

Header

D3D10.h

See also

Core Structures

 

 

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