// d3dhal.h

typedef struct _D3DHAL_VALIDATETEXTURESTAGESTATEDATA {
  ULONG_PTR dwhContext;
  DWORD     dwFlags;
  ULONG_PTR dwReserved;
  DWORD     dwNumPasses;
  HRESULT   ddrval;
} D3DHAL_VALIDATETEXTURESTAGESTATEDATA;
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Windows Driver Kit DDI reference (ns-d3dhal-_d3dhal_validatetexturestagestatedata)

_D3DHAL_VALIDATETEXTURESTAGESTATEDATA structure

Description

The D3DHAL_VALIDATETEXTURESTAGESTATEDATA structure contains the information required for the driver to determine and return its ability to support multitexturing using the current state.

Members

`dwhContext`

Specifies the context ID of the Direct3D device.

`dwFlags`

Currently set to zero and should be ignored by the driver.

`dwReserved`

Reserved for system use and should be ignored by the driver.

`dwNumPasses`

Specifies the location where the driver should write the number of passes required by the hardware to perform the blending operations.

`ddrval`

Specifies the location where the driver writes the return value of the D3dValidateTextureStageState function. A return code of D3D_OK indicates success. For more information, see Return Codes for Direct3D Driver Callbacks.

D3DHAL_VALIDATETEXTURESTAGESTATEDATA - NtDoc