// d3dumddi.h

PFND3DDDI_VALIDATEDEVICE Pfnd3dddiValidatedevice;

HRESULT Pfnd3dddiValidatedevice(
  HANDLE hDevice,
  D3DDDIARG_VALIDATETEXTURESTAGESTATE *unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-d3dumddi-pfnd3dddi_validatedevice)

PFND3DDDI_VALIDATEDEVICE callback function

Description

The ValidateDevice function returns the number of passes in which the hardware can perform the blending operations that are specified in the current state.

Parameters

`hDevice`

A handle to the display device (graphics context).

`unnamedParam2`

pData [in, out]

A pointer to a D3DDDIARG_VALIDATETEXTURESTAGESTATE structure that receives the number of passes in which the hardware can perform the blending operations.

Return value

ValidateDevice returns S_OK or an appropriate error result if the number of necessary hardware passes is not successfully received.

PFND3DDDI_VALIDATEDEVICE - NtDoc