PFND3D10DDI_SETTEXTFILTERSIZE callback function (d3d10umddi.h)
The SetTextFilterSize function sets the width and height of the monochrome convolution filter.
Syntax
PFND3D10DDI_SETTEXTFILTERSIZE Pfnd3d10ddiSettextfiltersize;
void Pfnd3d10ddiSettextfiltersize(
D3D10DDI_HDEVICE unnamedParam1,
UINT unnamedParam2,
UINT unnamedParam3
)
{...}
Parameters
unnamedParam1
hDevice [in]
A handle to the display device (graphics context).
unnamedParam2
Width [in]
The width of the monochrome convolution filter. The width can be from 1 to 7 texels.
unnamedParam3
Height [in]
The height of the monochrome convolution filter. The height can be from 1 to 7 texels.
Return value
None
Remarks
The driver can use the pfnSetErrorCb callback function to set an error code.
The number of samples that are required from a kernel's dimensions is actually (Width + 1) x (Height + 1), which can come out to from 4 to 64 samples. These settings apply across all samplers that are configured to use the D3D10_DDI_FILTER_TEXT_1BIT filter from the D3D10_DDI_FILTER enumeration.
SetTextFilterSize ensures that values that are supplied in the Width and Height parameters are in range. The default values for Width and Height are both 1, initially. The driver must set these default values during device creation.
The driver should not encounter any error, except for D3DDDIERR_DEVICEREMOVED. Therefore, if the driver passes any error, except for D3DDDIERR_DEVICEREMOVED, in a call to the pfnSetErrorCb function, the Direct3D runtime will determine that the error is critical. Even if the device was removed, the driver is not required to return D3DDDIERR_DEVICEREMOVED. However, if device removal interfered with the operation of SetTextFilterSize (which typically should not happen), the driver can return D3DDDIERR_DEVICEREMOVED.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Available in Windows Vista and later versions of the Windows operating systems. |
Target Platform | Desktop |
Header | d3d10umddi.h (include D3d10umddi.h) |
See also
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