Name

PEXSetBFSurfaceInterpMethod - Set Back-Face Surface Interpolation Method

Synopsis

void PEXSetBFSurfaceInterpMethod(Display ∗display, XID resource_id, PEXOCRequestType req_type, int method)

Arguments

displayA pointer to a display structure returned by a successful XOpenDisplay call. 

resource_idThe resource identifier of the renderer or structure. 

req_typeThe request type for the output command (PEXOCRender, PEXOCStore, PEXOCRenderSingle or PEXOCStoreSingle).

methodThe back-facing surface interpolation method (PEXSurfaceInterpNone, PEXSurfaceInterpColor, PEXSurfaceInterpDotProduct, PEXSurfaceInterpNormal).

Returns

None

Description

This function creates an output primitive attribute which sets the back-facing surface interpolation method attribute.  If the specified interpolation method is not supported, PEXSurfaceInterpNone is used. Supported values for back-facing surface interpolation method are inquirable via PEXGetEnumTypeInfo.

Errors

BadPEXRenderer
The specified renderer resource identifier is invalid.

BadPEXStructure
The specified structure resource identifier is invalid.

See Also

PEXGetEnumTypeInfo, PEXSetIndividualASF